物料编码系统1

01. Multilayer ceramic capacitor – chip or SMD

1.1 Code: 0 1
a b c d e f g h
whereby:

a: Type of capacitor
MLC capacitor – chip or SMD 01

b: Consigned/purchased item
Purchased item -
Consigned item C

c: Capacitance value, e.g.
0.47 pF (refer note) 00P47
6.8 pF (refer note) 06P80
220 pF 220P0
1nF = 1000 pF 001N0
2.2 nF = 2200 pF 002N2
47 nF = 0.047 uF 047N0
100 nF = 0.1 uF 100N0
1 uf 001U0

Notes:
(i) The coding should be leading zero.
(ii) For capacitor value less than 100 pF, two decimal places should be allocated. For others, only one decimal place should be allocated.

d: Tolerance
+/- 0.1 pF B
+/- 0.25 pF C
+/- 0.5 pF D
+/- 0.5% E
+/- 1 pF or 1% F
+/- 2% G
+/- 3% H
+/- 5% J
+/- 10% K
+/- 20% M
-20% +80% Z

e: Voltage rating, e.g.
16 V 016
50 V 050
100 V 100

f: Temperature coefficient
NPO or COG A
X7R C
Z5U E
Y5V G


g: Size
0402 1
0603 2
0805 3
1206 4
1210 5
1812 6
2220 7
1808 8
2012 9

h: Manufacturer
Any 0
Philips 1
Taiyoyuden 2
Siemens / EP 3
Panasonic 4
Murata 5
AVX 6
Yageo 7
8
9
A
B

1.2 Coding example
1.2.1 MLC chip capacitor 47nF +/- 10% 50V X7R 1206
 01-047N0K050C40
1.2.2 MLC chip capacitor 220 pF +/- 10% 50V NPO 0805 Philips
 01-220P0K050A31

1.3 Description example
1.3.1 MLC chip 47nF 10% 50V X7R 1206
1.3.2 MLC chip 220pF 10% 50V NPO 0805 22xx 861 16221


























02-03 Multilayer ceramic capacitor – leaded

2.1 Code:
a b c d e f g h
whereby:

a: Type of capacitor
MLC capacitor dipped 02
MLC capacitor moulded 03

b: Consigned/purchased item
Purchased item -
Consigned item C

c: Capacitance value, e.g.
0.47 pF (refer note) 00P47
6.8 pF (refer note) 06P80
220 pF 220P0
1nF = 1000 pF 001N0
2.2 nF = 2200 pF 002N2
47 nF = 0.047 uF 047N0
100 nF = 0.1 uF 100N0
1 uf 001U0

Notes:
(i) The coding should be leading zero.
(ii) For capacitor value less than 100 pF, two decimal places should be allocated. For others, only one decimal place should be allocated.

d: Tolerance
+/- 0.1 pF B
+/- 0.25 pF C
+/- 0.5 pF D
+/- 0.5% E
+/- 1 pF or 1% F
+/- 2% G
+/- 3% H
+/- 5% J
+/- 10% K
+/- 20% M
-20% +80% Z

e: Voltage rating, e.g.
50 V 050
100 V 100
1 kV 01K

f: Temperature coefficient
NPO or COG A
X7R C
Z5U E
Y5V G

g: Lead type & pitch
Axial 1
Radial 2.54 mm 2
Radial 5.08 mm 3




h: Manufacturer
Any 0
AVX 1
Kemet 2
Murata 3
Capatronics 4
Jetcon 5
Firstronics 6
7
8
9

2.1 Coding example
1.2.1 MLC capacitor dipped 1nF +/- 10% 50V X7R 5mm pitch tape
 02-001N0K050C30
1.2.2 MLC capacitor moulded 10nF +/- 5% 50V X7R axial tape
 03-010N0J050C10

2.2 Description example
1.2.3 MLC dip 1nF 10% 50V X7R P5 tape
1.2.4 MLC mold 10nF 5% 50V X7R ax tape
































06-07. Disc and plate ceramic capacitor

6.1 Code:
a b c d e f g h
whereby:

a: Type of capacitor
Disc 06
Plate 07

b: Consigned/purchased item
Purchased item -
Consigned item C

c: Capacitance value, e.g.
0.47 pF (refer note) 00P47
6.8 pF (refer note) 06P80
220 pF 220P0
1nF = 1000 pF 001N0
2.2 nF = 2200 pF 002N2
47 nF = 0.047 uF 047N0
100 nF = 0.1 uF 100N0
1 uf 001U0

Notes:
(i) The coding should be leading zero.
(ii) For capacitor value less than 100 pF, two decimal places should be allocated. For others, only one decimal place should be allocated.

d: Tolerance
+/- 0.1 pF B
+/- 0.25 pF C
+/- 0.5 pF D
+/- 0.5% E
+/- 1 pF or 1% F
+/- 2% G
+/- 3% H
+/- 5% J
+/- 10% K
+/- 20% M
-20% +80% Z

e: Voltage rating, e.g.
50 V 050
200 V 200
1 kV 01K
12 kV 12K

f: Temperature coefficient (diaeletric material)
NPO or COG A
Y5P B
Z5U E
K2000 1
N150 P
-25°C + 70°C Q
N750 2
X7R C
Y5V D
Y5E G

g: Pin pitch
2.54 mm 1
5.08 mm 2
6.35 mm 3
10.16 mm 4
8 mm 5
15.0 mm 6
10.0 mm 7

h: Manufacturer
Any 0
Philips 1
AOBA 2
Forever Electronic 3
Panasonic 4
Aux 5
Kemet 6
Murata 7
Capatronic 8
FEC 9
Epcos/Evox A
Energy Component B
Jetcon (Firstronic) C
D

6.2 Coding example
6.2.1 Disc ceramic capacitor 1nF 10% 1kV Y5P 5mm pitch AOBA tape
 06-001N0K01KB22
6.2.2 Disc ceramic capacitor 10nF 10% 50V Y5P 5mm pitch tape
 06-010N0K050B20
6.2.3 Plate ceramic capacitor 1nF 10% 100V K2000 5mm pitch Philips tape
 07-001N0K100121

6.3 Description example
6.3.1 Disc 1nF 10% 1kV Y5P P5 tape N6Y5P1B102K AOBA
6.3.2 Disc 10nF 10% 50V Y5P P5 tape
6.3.3 Plate 1nF 10% 100V K2000 P5 tape 2222 630 63102 Philips
















08. Gold capacitor/Electric double layer

8.1 Code:
a b c d e f g h
whereby:

a. Type of capacitor
Gold capacitor 08

b: Consigned/purchased item
Purchased item -
Consigned item C

c: Capacitance value, e.g
0.47 pF (refer note) 00P47
6.8 pF (refer note) 06P80
220 pF 220P0
1nF = 1000 pF 001N0
2.2 nF = 2200 pF 002N2
47 nF = 0.047 uF 047N0
100 nF = 0.1 uF 100N0
1 uf 001U0

Note:
(i) The coding should be leading zero
(ii) For capacitor valuee less than 100 pF, two decimal places should be allocated. For others
only one decimal place should be allocated.

d: Tolerance
+/- 0.1 pF B
+/- 0.25 pF C
+/- 0.5 pF D
+/- 0.5% E
+/- 1 pF or 1% F
+/- 2% G
+/- 3% H
+/- 5% J
+/- 10% K
+/- 20% M
-20% +80% Z

e: Voltage rating, e.g.
50 V 050
200 V 200
1 kV 01K
12 kV 12K

f: Temperature coefficient
NPO or COG A
Y5P B
Z5U E
K2000 1
N150 P
-25°C + 70°C Q

g: Pin pitch
2.54 mm 1
5.08 mm 2
6.35 mm 3
10.16 mm 4
8 mm 5


h: Manufacturer
Any 0
Philips 1
AOBA 2
Forever Electronic 3
Panasonic 4
NEC 5
Captronics 6
Siemen 7

8.2 Coding example
8.2.1 Disc ceramic capacitor 1nF 10% 1kV Y5P 5mm pitch AOBA tape
 06-001N0K01KB22
8.2.2 Disc ceramic capacitor 10nF 10% 50V Y5P 5mm pitch tape
 06-010N0K050B20
8.2.3 Plate ceramic capacitor 1nF 10% 100V K2000 5mm pitch Philips tape
 07-001N0K100121

8.3 Description example
8.3.1 Disc 1nF 10% 1kV Y5P P5 tape N6Y5P1B102K AOBA
8.3.2 Disc 10nF 10% 50V Y5P P5 tape
8.3.3 Plate 1nF 10% 100V K2000 P5 tape 2222 630 63102 Philips





























10-18. Metalized film/foil capacitors

10.1 Code:
a b c d e f g h
whereby:

a: Type of capacitor
Metalized polyester (MKT) 10
Film/foil polyester (KT) 11
Metalized polycarbonate (MKC) 12
Film/foil polycarbonate (KC) 13
Metalized polypropylene (MKP) 14
Film/foil polypropylene (KP) 15
Film/foil polystyrene 16
Metalized polyphenylene sulphide (MKPS) 17
Film/foil polyphenylene sulphide (KPS) 18

b: Consigned/purchased item
Purchased item -
Consigned item C

c: Capacitance value, e.g.
47 pF (refer note) 47P00
2.2 nF 002N2
100nF 100N0
3.3 uF 003U3
15uF 015U0

Notes:
(i) The coding should be leading zero.
(ii) For capacitor value less than 100 pF, two decimal places should be allocated. For others, only one decimal place should be allocated.

d: Tolerance
+/- 1% F
+/- 2% G
+/- 5% J
+/- 10% K
+/- 20% M

e: Voltage rating, e.g.
63 V 063
250 V 250
1 kV 01K
1.5 kV 1K5

f: Encapsulation
Epoxy potted P
Dipped epoxy D
Unencapsulated U

g: Lead type & pin pitch
Axial 0
Radial 2.5 mm (straight) 1
Radial 3.5 mm (straight) 2
Radial 5.0 mm (straight) 3
Radial 7.5 mm (straight) 4
Radial 10.0 mm (straight) 5
Radial 15.0 mm (straight) 6
Radial 22.5 mm (straight) 7
Radial 27.5 mm (straight) 8
Radial 2.5 mm (kink) 9
Radial 3.5 mm (kink) A
Radial 5.0 mm (kink) B
Radial 7.5 mm (kink) C
Radial 10.0 mm (kink) D
Radial 15.0 mm (kink) E
Radial 22.5 mm (kink) F
Radial 27.5 mm (kink) G
Radial 25.0 mm (Straight) H
Radial 26.5 mm (Straight) J
Radial 20.0mm (Straight) K

h: Manufacturer
Any 0
Philips 1
Evox 2
Siemens / Epcos 3
Wima 4
Europtronic 5
SGS Thomson 6
Yu Chang 7
BC Vishay 8
Matsushita 9

10.2 Coding example
10.2.1 Metalized polyester capacitor 100nF 10% 63V dipped 5mm pitch kinked
 10-100N0K063DB0
10.2.2 Metalized polypropylene capacitor 8.2nF 10% 1kV potted 15mm pitch
 14-008N2K01KP50

10.3 Description example
10.3.1 MKT 100nF 10% 63V dip P5 kink
10.3.2 MKP 8n2F 10% 1kV pot P15



















21-23. Interference suppression capacitor

21.1 Code:
a b c d e f g h
whereby:

a: Type of capacitor
Metalized paper (MP) 21
Metalized polyester (MKT) 22
Metalized polypropylene (MKP) 23

b: Consigned/purchased item
Purchased item -
Consigned item C

c: Capacitance value, e.g.
1 nF 001N0
4.7 nF 004N7
100 nF 100N0
2.2 uF 002U2

d: Tolerance
+/- 10% K
+/- 20% M
+/- 5% J

e: Voltage rating, e.g.
250 Vac 250
300 Vac 300

f: Class
X1 A
X2 B
Y1 C
Y2 D

g: Pin pitch
10 mm 1
15 mm (Lead L=4mm) 2
22.5 mm 3
27.5 mm 4
15 mm (Lead L=26mm) 5
15 mm (Lead L=34mm) 6
15 mm (Lead L=30mm) 7

h: Please refer to 10.1.h

21.2 Coding example
21.2.1 Class X2 metalized polypropylene capacitor 47nF 10% 250Vac 15mm pitch Philips consigned
 23C047N0K250B21
21.2.2 Class Y2 metalized paper capacitor 4.7nF 20% 250Vac 10mm pitch
 21-004N7M250D10

21.3 Description example
21.3.1 MKP 47nF 10% 250V X2 P15 2222 335 91501 Philips
21.3.2 MP 4.7nF 20% 250Vac Y2 P10
26-28. Aluminum electrolytic capacitors – leaded

26.1 Code:
a b c d e f g h i
whereby:

a: Type of capacitor
Aluminum electrolytic capacitor 26
Aluminum electrolytic capacitor – low leakage current 27
Aluminum electrolytic capacitor – nonpolarized 28

b: Consigned/purchased item
Purchased item -
Consigned item C

c: Capacitance value, e.g.
0.33 uF 0U33
1 uF 001U
4.7 uF 04U7
220 uF 220U
4700 uF = 4.7 mF 04M7
15000 uF = 15 mF 015M
1.0 F = 1000 mF 001F
Note: (i) For coding, to use only U, M & F
(ii) Coding should be leading ‘0’

d: Tolerance
+/- 20% M
20% +/- 80% N

e: Voltage rating, e.g.
6.3 V 6V3
25 V 025
350 V 350

f: Temperature rating
85 degree Celsius A
105 degree Celsius B

g: Case size
D x L Code D x L Code
4 x 5 1 12.5 x 15 H
4 x 7 2 12.5 x 20 J
4 x 11 3 12.5 x 25 K
5 x 7 4 12.5 x 26 L
5 x 11 5 14 x 21 M
5 x 16 6 16 x 25 N
6.3 x 5 7 16 x 31.5 P
6.3 x 7 8 18 x 35.5 Q
6.3 x 11 9 22 x 40 R
8 x 4 A 25 x 40 S
8 x 7 B 16 x 41 T




8 x 11.5 C 20 x 25 U
8 x 15.0 D 16 x 36 V
10 x 12.5 E 5 x 12 W
10 x 16 F 22 x 42 X
10 x 20 G 22 x 45 Y
8 x 9 2

h: Pin pitch
Axial 0
Radial 2.5 mm 1
Radial 3.5 mm 2
Radial 5.0 mm 3
Radial 7.5 mm 4
Radial 10 mm 5
Radial 12.5 mm 6
Radial 2 mm 7
Radial 1.5 mm 8

i: Manufacturer
Any 0
Rubycon 1
Elite 2
Maxcap 3
TF 4
ELNA 5
Chemicon 6
Dencap 7
ECR 8
SME 9
Jamicon A
NKL B
Sanyo C
Philips D
Teapo E
Panasonic F
Nichion G
Nantong H
Fujicon J
Delcon K
L
M
N

26.2 Coding example
26.2.1 Aluminum electrolytic capacitor 22uF +/-20% 25V 85 degree Celsius 6.3x11xP5 mm Rubycon
 26-220UM025AB31
26.2.2 Aluminum electrolytic capacitor 470uF +/-20% 35V 105 degree Celsius
 26-470UM035BE30

26.3 Description example
26.3.1 Al e-cap 220uF 20% 25V 85C P5 25YK220MTA6.3X11 Rubycon
26.3.2 Al e-cap 470uF 20% 35V 105C 10x16xP5 tape




29-30 Aluminum electrolytic capacitors – snap in

29.1 Code:
a b c d e f g h
whereby:

a: Type of capacitor
Aluminum electrolytic capacitor - snap in 29
Aluminum electrolytic capacitor - SMD 30


b: Consigned/purchased item
Purchased item -
Consigned item C

c: Capacitance value, e.g.
47 uF 047U
390 uF 390U
2200 uF = 2.2 mF 02M2
82000 uF = 82 mF 82M0
Note: For coding, to use only U, M & F

d: Tolerance
+/- 20% M

e: Voltage rating, e.g.
10 V 010
160 V 160

f: Temperature rating
85 degree Celsius A
105 degree Celsius B

g: Case size
D x L Code D x L Code
20 x 25 01 25 x 45 17
20 x 30 02 25 x 50 18
20 x 35 03 30 x 25 19
20 x 40 04 30 x 30 20
20 x 45 05 30 x 35 21
20 x 50 06 30 x 40 22
22 x 25 07 30 x 45 23
22 x 30 08 30 x 50 24
22 x 35 09 35 x 25 25
22 x 40 10 35 x 30 26
22 x 45 11 35 x 35 27
22 x 50 12 35 x 40 28
25 x 25 13 35 x 45 29
25 x 30 14 35 x 50 30
25 x 35 15 4 x 5.5 31
25 x 40 16 6.3 x 5.5 32




8 x 10.2 33
3 x 5.4 34



h: Manufacturer
Any 0
Panasonic 1
2

29.2 Coding example
29.2.1 Aluminum electrolytic capacitor 3300uF +/- 20% 50V 85 degree Celsius 22x30 mm snap-in
 29-03M3M050A080

29.3 Description example
29.3.1 Al e-cap 3300uF 20% 50V 85C 22x30 snap-in












































34. Tantalum electrolytic capacitors – leaded

34.1 Code: 0
a b c d e f g h
whereby:

a: Type of capacitor
Tantalum electrolytic capacitor – leaded 34

b: Consigned/purchased item
Purchased item -
Consigned item C

c: Capacitance value, e.g.
100 nF 100N0
1.5 uF 001U5
150 uF 150U0

d: Tolerance
+/- 10% K
+/- 20% M

e: Voltage rating, e.g.
6.3 V 6V3
25 V 025

f: Pin pitch
2.5 mm 1
5.0 mm 2

g: Not in use = 0

h: Manufacturer
Any 0
Maxcap 1
AVX 2

34.2 Coding example
34.2.1 Tantalum capacitor 15uF +/-20% 25V 5mm pitch
 34-015U0M025200

34.3 Description example
34.3.1 Ta cap 15uF 20% 25V P5














35. Tantalum electrolytic capacitors – SMD

35.1 Code: 0
a b c d e f g h
whereby:

a: Type of capacitor
Tantalum electrolytic capacitor – SMD 35

b: Consigned/purchased item
Purchased item -
Consigned item C

c: Capacitance value, e.g.
0.15 uF 00U15
3.3 uF 003U3
47 uF 047U0
220 uF 220U0

d: Tolerance
+/- 10% K
+/- 20% M

e: Voltage rating, e.g.
6.3 V 6V3
16 V 016

f: Case size, mm
3.2 x 1.6 A
3.5 x 2.8 B
6.0 x 3.2 C
2.5 x 3.0 E
7.3 x 4.3 F
0805 G

g: Not in use = 0

h: Manufacturer
Any 0
Epcos 1
2

35.2 Coding example
35.2.1 Tantalum chip electrolytic capacitor 22uF 20% 16V 6.0x3.2mm
 35-022U0M016C00

35.3 Description example
35.3.1 Ta chip cap 22uF 20% 16V 6.0x3.2mm









36. Long Life Aluminium Electrolytic capacitors - Leaded


36.1 Code:

a b c d e f g h i j

whereby:

a: Type of capacitor
Long Life Aluminium electrolytic capasitors 36

b: Consigned/purchased item
Purchased item -
Consigned item C

c: Capacitance value, e.g.
0.22 uF U22
1.0 uF 1U0
2.2 uF 2U2
220 uF 220
2200 uF = 2.2mF 2M2
22000 uF = 22mF 22M
1.0F = 1000 mF 1F0


d: Tolerance
+/- 20% M
80%-20% N

e: Voltage rating, e.g.
6.3 V 6V3
25 V 025
350 V 350

f: Temperature rating :
85 degree Celsius A
105 degree Celsius B
125 degree Celsius C
130 degree Celsius D

g: Life Time:
2000 hrs A
3000 hrs B
4000 hrs C
5000 hrs D


h: Case size :
Note : Pls refer to 26.1.g


i: Pin pitch :
Note : Pls refer to 26.1.h


j: Manufacturer
Note : Pls refer to 26.1.i

36.2 Coding Example

36.2.1 Long Life Aluminum electrolytic capacitor 22uF +/- 20%
350V 105C 13x20xP5 mm 5000hrs 5G series Teapo.


36-22UM350BDJ3E


36.3 Description example

36.3 Lf AI e-cap 22uF 20% 350V 105C 13x20xP5
5000hrs 5G Series Teapo ( SG350M0022 )














































38 - 39. Crystal/Resonator

38-39.1 Code:
a b c d e f g h i j
whereby:

a: Type of product
Crystal 38
Resonator 39

b: Not in use = ‘-’

c: Frequency
4.19 Mhz 4M19
41.9 Mhz 41M9

d: Number of pins
2 pins 2
3 pins 3
8 pins DIL 8
14 pins DIL E

e: Tolerance
+/- 0.1 ppm 1
+/- 0.2 ppm 2
+/- 0.5 ppm 3
+/- 1 ppm 4
+/- 5 ppm 5
+/- 10 ppm 6
+/- 20 ppm 7
+/- 30 ppm 8
+/- 50 ppm 9
+/- 100 ppm A

f: Size
HC 6/0 01 UM-5 14
HC 15/0 02 DT-26 15
HC 18/0 03 DT-28 16
HC 25/0 04 AT-49 17
HC 33/0 05 DOC-2S 18
HC 36/0 06 43/TB 19
HC 42/0 07 43/TC 20
HC 43/0 08 CM09S 21
HC 49/0 09 SXF 22
HC 50/0 10 86SMX 23
HC 51/0 11 HC49 24
UM-1 12 5SXF 25
UM-2 13 MGW 26

g: Package Type
SMT 1
Leaded 2
Formed 3



h: Packaging
Tape 1
Reel 2
Loose 3

i: Consigned/Purchased item
Purchase item -
Consigned item C

j: Manufacturer
Any 0
Murata 1
HY-Q International 2
EC5 3
EC 4
CQ (Chequers Elec.) 5










































40. Chip resistor – SMD

40.1 Code:
a b c d e f g h i j
whereby:

a: Type of resistor
Chip resistor – SMD 40

b: Consigned/purchased item
Purchased item -
Consigned item C

c: Case size - Melf (Ø x L)
0603 A
0805 B
1206 C
1218 D
2.2 x 6 E
1.3 x 3.5 F
2512 G
0207 H
1210 J

d: Power rating
1/16 W A
1/8 W B
1/4 W C
1 W D
0.35W F
1/6W G
1/10W H

e: Resistance value, e.g.
0.051 ohm R051
0.18 ohm R180
4.7 ohm 4R70
4.99 ohm 4R99
20.5 ohm 20R5
68 ohm 68R0
301 ohm 301R
2.74 kohm 2K74
75 kohm 75K0
220 kohm 220K
2.2 Mohm 2M20
15 Mohm 15M0

f: Tolerance
+/- 0.1% B
+/- 0.5% D
+/- 1% F
+/- 2% G
+/- 5% J



g: Temperature coefficient, ppm/K
+/- 25 A
+/- 50 B
+/- 100 C
+/- 200 D
+/- 250 E
+/- 300 F
+/- 700 G
+/- 1000 H
+/- 1500 J
+/- 2000 K

h: Special
None 0
Fusible F

i: Not in use = 00

j: Manufacturer
Any 0
Philips 1
TD Ohm 2
Panasonic 3
AVX 4
Rohm 5
Dale 6
ASJ 7
Yageo 8
Firstronics 9
PHICOMP A
B

40.2 Coding example
40.2.1 Chip resistor 1.2 kohm +/-5% ¼ W +/- 250 ppm/K 1206
 40-1K20JCEC0000
40.2.2 Chip resistor 47 kohm +/- 1% 1/8 W +/- 100 ppm/K 0805 Philips
 40-47K0FBCB0001
40.2.3 Chip resistor fusible 22 ohm +/- 5% ¼ W +/- 200 ppm/K 1206 Philips
 40-22R0JBDCF001

40.3 Description example
40.3.1 Chip res 1206 1/4W 1K2 5%
40.3.2 Chip res 0805 1/8W 47K 1% 2322 734 64703
40.3.3 Chip res 1206 1/4W 22R 5% 2322 750 62209













41-47. Resistor – leaded

41.1 Code:
a b c d e f g h
whereby:

a: Type of resistor
Carbon film, CF 41
Metal film, MF 42
Metal oxide, MO 43
Metal glaze, MG 44
Wire wound, WW 45
Fusible, FS 46
Flame proof, FP 47

b: Consigned/purchased item
Purchased item -
Consigned item C

c: Power rating
1/8 W W125
¼ W W250
½ W W500
1 W 1W00
10W 10W0
1/6W W166
1/3W W330

d: Resistance value, e.g.
10 mohm R010
470 mohm R470
3.3 ohm 3R30
12 ohm 12R0
180 ohm 180R
2.74 kohm 2K74
66.5 kohm 66K5
150 kohm 150K
2.2 Mohm 2M20
10 Mohm 10M0

e: Tolerance
+/- 0.1% B
+/- 0.25% C
+/- 0.5% D
+/- 1% F
+/- 2% G
+/- 5% J
+/- 10% K

f: Temperature coefficient, ppm/K
+/- 10 A
+/- 15 B
+/- 25 C
+/- 50 D
+/- 100 E
+/- 150 F
+/- 200 G
+/- 250 H
+/- 300 or more J

g: Lead type & size, mm
D x L (approx) Code
1.7 x 3.2 axial A
2.5 x 6.5 axial B
3.5 x 9.5 axial C
2.5 x 6.5 stdg D
3.5 x 9.5 stdg E
4.5 x 11.5 axial F
4.5 x 11.5 stdg G
5 x 15 axial H
5 x 15 stdg J
2.3 x 6.0 axial K
4 x 10 axial L
1.7 x 3.2 stdg M
8.5 x 31 axial N
3.5 x 11 axial P
4.0 x 11.0 axial Q
8.5 x 17 axial R
7.5 x 10.5 axial S
7 x 2.5 axial T
2.5 x 10.5 axial U
3.9 x 10 axial V
2.0 x 3.5 axial W
6.0 x 15.0 axial X


Wire wound (rectangular)
L W & H Axial Stdg
13 5.5 1 a
18 6.5 2 b
22 9.5 axial 3 c
35 9.5 4 d
48 9.5 5 e
48 12.5 6 f
64 12.5 7 g
22 9.5 radial 8 h
22 8.0 9 i

h: Manufacturer
Any 0
Philips 1
Dahzan 2
Matsushita 3
Rohm 4
Firstronic 6
Riedon 7
Hindo 8
Yogeo 9
LS (Lian Shing) A
Dale B
Tyohm C
Texcon D
BC Component E
Texchem F
G
H

41.2 Coding example
41.2.1 Carbon film 1/4W 2.2 kohm 5% 2.5mm x 6.5mm taped
 41-W2502K220JJB0
41.2.2 Carbon film 1/2W 180kohm 5% 3.5mm x 9.5mm standing insulated
 41-W500180KJJE0

41.3 Description example
41.3.1 CF 1/4W 2K2 5% 2.5x6.5 tape
41.3.2 CF 1/2W 180K 5% 3.5x9.5 stdg insulated















































50. Potentiometer – leaded trimmer

50.1 Code:
a b c d e f g h i
whereby:

a: Type of component
Potentiometer – leaded 50

b: Consigned/purchased item
Purchased item -
Consigned item C

c: Resistance value
10 ohm 100
200 ohm 201
5000 ohm 502
10 kohm 103
200 kohm 204
1 Mohm 105

d: Tolerance
+/- 5% J
+/- 10% K
+/- 20% M
+/- 25% N
+/- 30% P

e: Power rating
0.05 W A
0.1 W B
0.125 W C
0.15 D
0.2 W E
0.25 W F
0.3 W G
0.5 W H
0.75 W J
1.0 W K

f: Mounting
Horizontal H
Vertical V
Panel mounted P

g: Resistance element material
Cermet 1
Carbon 2
Wire wound 3

h: Sequential number starting from 0001 to 9999 – for similar alphanumerics of the first 10 characters.

i: Manufacturer
Bourns 1
Matsushita 2
Cermark 3
Philips 4
Piher Spain 5
Hipot 6
Tocos 7

50.2 Coding example
50.2.1 Potentiomenter 5 kohm 10% 1/2W cermet vertical square with knob 3386XT Bourns
 50-502KHV000011

50.3 Description example
50.3.1 Timmer pot 5K 10% 1/2W vert 3386X-1-502T Bourns
















































52. Potentiometer – rotary

52.1 Code:
a b c d e f g h I j
whereby:

a: Type of component
Potentiometer – rotary 52

b: Consigned/purchased item
Purchased item -
Consigned item C

c: Resistance value
10 ohm 100
200 ohm 201
5000 ohm 502
10 kohm 103
200 kohm 204
1 Mohm 105

d: Tolerance
+/- 5% J
+/- 10% K
+/- 20% M
+/- 25% N
+/- 30% P

e: Power rating
0.05 W A
0.1 W B
0.125 W C
0.15 D
0.2 W E
0.25 W F
0.3 W G
0.5 W H
0.75 W J
1.0 W K

f: Resistance curve
Taper A A
Taper B B
Taper C C

g: Switch availability
Without switch 0
With switch 1

h: Shaft type (diameter, length, style, material)
D=6mm, L=20mm, flat type, plastic A
D=6mm, L=20mm, flat type, metal B
D=6mm, L=20mm, slot type, plastic C
D=6mm, L=16mm, flat type plastic D
D=6mm, L=25mm, flat type plastic E
D=6mm, L=10mm, flat type plastic F
Without spindle W
D=6mm, L=18mm, flat type metal G

i: Sequential number starting from 001 to 999 – for similar alphanumerics of the first 12 characters.

j: Manufacturer
Alps 1
Song Huei 2
Matsushita 3
Alpha 4
Evox Rifa 5
TopUp 6

52.2 Coding example
52.2.1 Rotary potentiometer PCB mounted 50 kohm +/-20% curve C, 0.05W
shaft diameter=6mm, L=20mm, flat type plastic RK16K1130A67A Alps
 52-503MACDA0011

52.3 Description example
52.3.1 Rotary pot 50K C RK16K1130A67A Alps







































54. Varistor - leaded

54.1 Code:
a b c d e f g
whereby:

a: Type of component
Varistor – leaded 54

b: Consigned/purchased item
Purchased item -
Consigned item C

c: AC voltage rating
60 Vac 060
275 Vac 275

d: Surge current rating (8 x 20 seconds), e.g.
400 A 0400
2500 A 2500
40000 A 040A
100000 A 100A
250A 0250
12500A 12A5

e: Pin pitch, e.g.
5.0 mm 050
7.5 mm 075
10.0 mm 100

f: Other features
Disc type D
Rectangle R

g: Manufacturer
Any 0
Philips 1
Siemens 2
AVX 3
Fuji 4
Matsushita 5

54.2 Coding example
54.2.1 Varistor 275 Vac 2500A surge current 10mm disc 7.5 mm pitch
 55-275002507500

54.3 Description example
54.3.1 Varistor 275V 2500A S10V-S1K275 Siemens
Substitute 2322 594 52716 Philips








56. Thermistor - leaded

56.1 Code:
a b c d e f g h

whereby:

a: Type of component
Thermistor – leaded 56

b: Consigned/purchased item
Purchased item -
Consigned item C

c: Temperature coefficient
Positive TC (PTC) P
Negative TC (NTC) N

d: Resistance at 25 degree Celsius, R25
2.2 ohm 2R20
32 ohm 32R0
140 ohm 140R
4.7 kohm 4K70
20 kohm 20K0
100 kohm 100K
Note: Coding should be trailing zero.

e: Tolerance at R25
+/- 0.5% D
+/- 1% F
+/- 2% G
+/- 3% H
+/- 5% J
+/- 10% K
+/- 15% L
+/- 20% M
+/- 25% N

f: For PTC – voltage rating, e.g.
30 Vdc 030D
265 Vac 265A
265 Vac/dc 265V

For NTC – power rating, e.g.
180 mW W180
95 mW W095
5.1W 5W10

g: Packaging & pin pitch
Coated disc 2.54 mm 1
Coated disc 5.08 mm 2
Coated disc 10.5 mm 3
Glass coated 1mm 4



h: Manufacturer
Philips 1
Siemens 2
Shibaura 3
4
5

56.2 Coding example
56.2.1 PTC thermistor 20 ohm +/-20% 265 Vac coated disc 5.08mm pitch tape Philips 2722 662 31513
 56-P20R0M265A21
56.2.2 NTC thermistor 22 kohm +/- 5% 200mW coated disc 2.5mm pitch tape Siemens B57891-M223-J
 56-N22K0JW20012

56.3 Description example
56.3.1 PTC thermistor 20R 20% 265Vac P5 2322 662 31513 Philips
56.3.2 NTC thermistor 22K 5% 200mW B57981-M223-J Siemens










































58-59. Insulater wire (Ribbon)

58-59.1 Code:
a b c d e f g h
whereby:

a: Type of insulated wire
Stranded/solid (1 strand) 58
OS-1 59

b: Consigned/purchased item
Consigned item C
Purchased item
Any manufacturer -
Nissei 1
Wonderful 2
Raychem wire & cable 3
Radox wire 4

c: Ul number/insulation type
UL No. Code UL No. Code UL No. Code
No UL number 00 1505 23 1277 46
1061 01 3343 24 1333 47
1095 02 3071 25 1332 48
1007 03 3074 26 1331 49
1015 04 3075 27 1330 50
1283 05 3126 28 1860 51
1084 06 3069 29 1709 52
1032 07 3070 30 1710 53
1006 08 3101 31 1213 54
1010 09 3127 32 1180 55
1618 10 3212 33 2525 56
1617 11 3213 34 1199 57
1638 12 3214 35 3468 58
1429 13 1422 36 3239 59
1430 14 1426 37 1683 60
1431 15 1327 38 1702 61
1672 16 1516 39 5048 62
1673 17 1523 40 3135 63
1571 18 1517 41 Kynar 64
3302 19 1508 42 PFA CFN-1 65
3265 20 1862 43 Raychem 66
3266 21 1828 44 44A0111
3271 22 1644 45 Radox 155 67

d: Wire gauge, e.g.
Wire gauge Code
1 A
10 B
18 C
22 D
24 E
Note: For non UL wire, use = “0-”



e:
Number of way Code
2 A

f: Number of strands
Number of strands Code
1 001
7 007
24 024
108 108

g: Strand size, mm
0.266 0260
0.127 0127
1.024 1024

h: Color
Black, blk 0
Brown, brw 1
Red 2
Orange, orn 3
Yellow, ylw 4
Green, grn 5
Blur, blu 6
Violet, vlt 7
Grey, gry 8
White, wht 9
Pink, pnk A
Green,yellow stripe, g/y B
Red/white stripe, r/w C