Product Specification – September 11, 2017 V.3
DATA SHEET
CHIP RESISTORS
Marking
Product specification
Chip Resistor Surface Mount
2
9
Marking
MARKING
RESISTANCE CODE
Wherever it is possible, chip resistors are provided with a resistance
code.
The resistance code includes the first two or three significant digits of
the resistance value ( ) followed by the number of zeros; see Table 1.
Whether two or three significant values are represented depends on the
tolerance:
± 5% requires two digits (E24 series)
For example: 244 = 24 × 10 4 = 240,000 = 240 k
± 1% and lower requires three digits (E24/E96 series)
Table 1 Resistance value indication
Indicator
Tol. ≥ 5%
Tol. ≤ 1%
R (1)
0.001 to 9.1 Ω 0.001 to 97.6 Ω
0
10 to 91 Ω
1
100 to 910 Ω
1 to 9.76 kΩ
2
1 to 9.1 kΩ
10 to 97.6 kΩ
3
10 to 91 kΩ
100 to 976 kΩ
4
100 to 910 kΩ
1 to 9.76 MΩ
5
1 to 9.1 MΩ
10 to 97.6 MΩ
6
10 to 91 MΩ
100 to 976 Ω
NOTE
For example: 3160 = 316 × 10 0 = 316
1. R denotes the decimal point.
G ENERAL PRINCIPLES AND ILLUSTRATORS OF MARKING CODES
KINDS
No marking
FORMS
PRODUCT TYPES
RESISTANCE RANGE
Sizes 0100/0201/0402 of
all series
All
All sizes of TR series
All
Size 0603 of RL series
R < 100 mΩ
except 10/20/30/40/50/60 mΩ
Sizes 0603, 0805 of PA
series
All
AF122
All
2512 of PU series
All
YC102
All
TC122
TC124
Bar
Fig. 1
No marking
Fig. 2
No marking
Fig. 3
YC122
Bar marking
ILLUSTRATORS & EXAMPLES
No marking
All
Fig. 4
No marking
Fig. 5
No marking
Fig. 6
No marking
All
All
ATV321
All
Speciality
Out of standard resistance value
Size 0306, 0612 of PS
series
All
Fig. 7
No marking
(rectangle for position)
Based on type
YNSC137
Fig. 8
Bar marking
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Sep. 11, 2017 V.3
Product specification
Chip Resistor Surface Mount
KINDS
FORMS
PRODUCT TYPES
RESISTANCE RANGE
Size 0603 to 2512 of
RC/RV/SR/AC/AF/AA/RL/PT
series except wide termination
Jumper = 0 Ω
Size 1218 of RC/AC series
Jumper = 0 Ω
3
9
Marking
ILLUSTRATORS & EXAMPLES
0
Fig. 9
Value = 0 Ω
Fig. 10 Value = 0 Ω
1-Digit
marking
0
YC162
0
YC124/164
YC248
0
Jumper = 0 Ω
TC164
0
AF162
Fig. 11 Value = 0 Ω
___
2-Digit
marking
10
5mΩ ≤ R ≤ 50mΩ
XX
Fig. 12 10 = 10 mΩ
Sizes 0603 of PE series
XX
51
51mΩ ≤ R ≤ 910mΩ
Fig. 13
Size 0603 to 2512 of
RC/RV/SR/AC/AF/AA series
Size 0603 to 1206 of AR/RE
series except wide termination
Size 1218 of RC/AC/SR/AA
series
51 = 51 mΩ
2 0
5% E24: R ≥ 10 Ω
Fig.14
240 = 24 × 100 = 24 Ω
2 0
5% E24: R ≥ 10 Ω
Fig. 15 240 = 24 × 100 = 24 Ω
2
2
YC162
YC124/164
3-Digit
marking
XXX
YC324
YC158T
2
5% E24: R ≥ 10 Ω
YC358T/YC358L
YC248
AF124/AF162/AF164
2
Fig. 16 244 = 24 × 104 = 240 KΩ
(dot for position)
YC162
YC124/164
5% E24: R < 10Ω
AF124/164
Fig.17
6R8 = 6.8Ω
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Sep. 11, 2017 V.3
Product specification
Chip Resistor Surface Mount
KINDS
FORMS
XXX
PRODUCT TYPES
RESISTANCE RANGE
TC164
5% E24: R ≥ 10 Ω
4
9
Marking
ILLUSTRATORS & EXAMPLES
2
Fig. 18 244 = 24 × 104 = 240 KΩ
Size 0603 of
RC/RE series
XXX with
short bar
below
XXX
formed with
2 numerals
+ 1 letter
3-Digit
marking
1%, 0.5%, 0.1% E24 exception
values 10/11/13/15/20/75 of E24
series
Size 0603 of
AR/AF/AC/RV/SR/AA series
1%, 0.5% E24 exception values
10/11/13/15/20/75 of E24 series
Size 0603 of RT/AT
1%, 0.5%, 0.25%, 0.1%, 0.05%, 0.01%
E24 exception values
10/11/13/15/20/75 of E24 series
Size 0603 of
RC/RE series
1%, 0.5%, 0.1% E96 refer to table 2,
including values 10/11/13/15/20/75
of E24 series
Size 0603 of
AR/AF/AC/RV/SR/AA series
1%, 0.5% E96 refer to table 2,
including values 10/11/13/15/20/75
of E24 series
Size 0603 of RT/AT
1%, 0.5%, 0.25%, 0.1%, 0.05%, 0.01%
E96 refer to table 2, including values
10/11/13/15/20/75 of E24 series
3 3
Fig. 19
3R3 = 3.3 Ω
0
Fig. 20
240 = 24 × 100 = 24 Ω
88
Fig. 21 88A = 806 × 100 = 806 Ω
Size 0603 to 2512 of
RC/AC/SR/AF/AA series
Size 0603 to 1206 of
AR series
XRX
5% E24: R < 10 Ω
Fig. 22 2R2 = 2.2 Ω
Size 0805 to 2512 of SR
series except wide
termination
Size 1218 of
RC/AC/SR/AF/AA series
5% E24: R < 10 Ω
Size 0603 of RL series
5%, 1%: R = 10/20/30/40/50/60 mΩ
5%, 1% E24: R ≥ 100 mΩ,
reference to Table 3
Size 0603 of PT series
5%, 1% E24: R ≥ 100mΩ,
reference to Table 3
RXX
_____
Fig. 23 2R2 = 2.2 Ω
5mΩ ≤ R ≤ 50mΩ
XXX
010
Fig. 25 010 = 10 mΩ
Size 0805 of PE series
XXX
Fig. 24 R22 = 220 mΩ
51mΩ ≤ R ≤ 910mΩ
051
Fig. 26 51 = 51 mΩ
XXX
Size 0508 of PE series
5mΩ ≤ R ≤ 75mΩ
Fig. 27 10 = 10 mΩ
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Sep. 11, 2017 V.3
Product specification
Chip Resistor Surface Mount
KINDS
FORMS
PRODUCT TYPES
RESISTANCE RANGE
Size 0805 to 2512 of
RC/RV/AC/SR/AF/AA
series
1%, 0.5%, 0.1%
Size 0805 to 1206 of
AR/AF/RE series except
wide termination
E24/E96: R ≥ 100 Ω
Size 0805 to 2512 of
RT/AT series
1%, 0.5%, 0.25%, 0.1%, 0.05%,
0.01% E24/E96: R ≥ 100 Ω
Size 1218 of
RC/AC/SR/AF/AA series
1% E24/E96: R ≥ 100 Ω
5
9
Marking
ILLUSTRATORS & EXAMPLES
00
Fig. 28 1002 = 100 × 102 = 10 KΩ
00
Fig. 29 1002 = 100 × 102 = 10 KΩ
XXXX
3 60
YC124/164
YC248
YC324
1% E24/E96: R ≥ 100 Ω
AF124/ 164
3 60
3 60
Fig. 30 3160 = 316 × 100 = 316 Ω
TC164
1% E24/E96: R ≥ 100 Ω
3 60
Fig. 31 3160 = 316 × 100 = 316 Ω
4-Digit
marking
Size 0805 to 2512 of
RC/AC/RV/SR/AF/AA
series
1%, 0.5%, 0.1%
Size 0805 to 1206 of
AR/RE series except wide
termination
E24/E96: R < 100 Ω
Size 0805 to 2512 of
RT/AT series
1%, 0.5%, 0.25%, 0.1%, 0.05%,
0.01% E24/E96: R < 100 Ω
Size 1218 of
RC/AC/SR/AF/AA series
1% E24/E96: R < 100 Ω
3 6
Fig. 32 31R6 = 31.6 Ω
3 6
Fig. 33 31R6 = 31.6 Ω
XRXX,
XXRX
3 6
YC124/164
YC248
1% E24/E96: R < 100 Ω
3 6
YC324
3 6
Fig. 34 31R6 = 31.6 Ω
TC164
1% E24/E96: R < 100 Ω
3 6
Fig. 35 31R6 = 31.6 Ω
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Sep. 11, 2017 V.3
Product specification
Chip Resistor Surface Mount
KINDS
FORMS
RXXX
PRODUCT TYPES
RESISTANCE RANGE
Size 0805 to 2512 of RL series
except wide termination
5%, 1% E24,
reference to Table 4
Size 0805 to 2512 of PT series 5%, 1% E24: R ≥ 100mΩ,
reference to Table 4
except wide termination
Size 1218 of RL series
Size 0815 of PT series
5%, 1% E24,
reference to Table 4
5mΩ ≤ R ≤ 50mΩ
______
RXXX
6
9
Marking
ILLUSTRATORS & EXAMPLES
020
Fig. 36 R020 = 0.02 Ω = 20 mΩ
20
Fig. 37 R220 = 220 mΩ
Fig. 38 R025 = 25 mΩ
R010
Fig. 39 R010 = 10 mΩ
Size 1206 of PE series
51mΩ ≤ R ≤ 910mΩ
R051
Fig. 40 R051 = 51 mΩ
4-Digit
marking
______
RXXX
Sizes 2010, 2512 of PE series
RXXX
Sizes 0612, 0815 of PE series
5mΩ ≤ R ≤ 100mΩ
R010
Fig. 41 R010 = 10 mΩ
1mΩ ≤ R ≤ 100mΩ
Fig. 42 010 = 10 mΩ
1mΩ
______
RXXX
Size 1206 of PA series
Fig. 43 R001= 1 mΩ
2mΩ ≤ R ≤ 50mΩ
Fig. 44 R005 = 5 mΩ
0mXX
Size 2512 of PA series
0.5mΩ, 0.75mΩ
Fig. 45 0m50 = 0.5 mΩ
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Sep. 11, 2017 V.3
Product specification
Chip Resistor Surface Mount
KINDS
FORMS
PRODUCT TYPES
RESISTANCE RANGE
R00X
7
9
Marking
ILLUSTRATORS & EXAMPLES
1mΩ ≤ R ≤ 4mΩ
Size 2512 of PA series
Fig. 46 R001= 1 mΩ
RXXX
5mΩ ≤ R ≤ 100mΩ
Fig. 47 R005 = 5 mΩ
4-Digit
marking
RXXX
Size 1206 of PS series
R010
10mΩ ≤ R ≤ 100mΩ
Fig. 48 R010 = 5 mΩ
0mXX
0.2mΩ ≤ R ≤ 0.5mΩ
Fig. 49
0m20 = 0.2 mΩ
Fig. 50
R001 = 1 mΩ
Size 3921, 5931 of PU series
RXXX
1mΩ ≤ R ≤ 4mΩ
NOTE
1. Please contact with local sales force for unavailable resistance
Table 2 EIA-96 marking rule
CODE VALUE CODE VALUE CODE VALUE CODE VALUE CODE VALUE CODE VALUE CODE VALUE CODE VALUE
01
100
13
133
25
178
37
237
49
316
61
422
73
562
85
750
02
102
14
137
26
182
38
243
50
324
62
432
74
576
86
768
03
105
15
140
27
187
39
249
51
332
63
442
75
590
87
787
04
107
16
143
28
191
40
255
52
340
64
453
76
604
88
806
05
110
17
147
29
196
41
261
53
348
65
464
77
619
89
825
06
113
18
150
30
200
42
267
54
357
66
475
78
634
90
845
07
115
19
154
31
205
43
274
55
365
67
487
79
649
91
866
08
118
20
158
32
210
44
280
56
374
68
499
80
665
92
887
09
121
21
162
33
215
45
287
57
383
69
511
81
681
93
909
10
124
22
165
34
221
46
294
58
392
70
523
82
698
94
931
11
127
23
169
35
226
47
301
59
402
71
536
83
715
95
953
12
130
24
174
36
232
48
309
60
412
72
549
84
732
96
976
Table 2. shows the first two digits of the three-digit EIA-96 part-marking scheme.
The third character is a letter multiplier:
X = 10 -1 , Y = 10 -2 , A = 10 0 , B = 10 1 , C = 10 2 , D = 10 3 , E = 10 4 , F = 10 5
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Sep. 11, 2017 V.3
Product specification
Chip Resistor Surface Mount
Table 3 EIA-24 marking rule for
size 0603 of RL/PT
CODE
VALUE (m )
R01
R02
No marking
R03
R04
R05
R06
R10
R11
R12
R13
R15
R16
R18
R20
R22
R24
R25
R27
R30
R33
R36
R39
R40
R43
R47
R50
R51
R56
R62
R68
R75
R82
R91
10
20
25 (2)
30
40 (2)
50 (2)
60 (2)
100
110
120
130
150
160
180
200
220
240
250 (2)
270
300
330
360
390
400 (2)
430
470
500 (2)
510
560
620
680
750
820
910
8
9
Marking
Table 4 EIA-24 marking rule for size 0805 to 2512 of RL/PT
CODE
VALUE (m )
CODE
VALUE (m )
R010
R011
R012
R013
R015
R016
R018
R020
R022
R024
R025
R027
R030
R033
R036
R039
R040
R043
R047
R050
R051
R056
R060
R062
R068
R075
R082
R091
R100
10
11
12
13
15
16
18
20
22
24
25 (2)
27
30
33
36
39
40 (2)
43
47
50 (2)
51
56
60 (2)
62
68
75
82
91
100
R110
R120
R125
R130
R150
R160
R180
R200
R220
R240
R249
R250
R255
R270
R300
R330
R360
R390
R400
R430
R470
R500
R510
R560
R620
R680
R750
R820
R910
110
120
125 (2)
130
150
160
180
200
220
240
249 (3)
250 (2)
255 (3)
270
300
330
360
390
400 (2)
430
470
500 (2)
510
560
620
680
750
820
910
NOTE
1. All above values for E24 series are marked with a 4-digit code (RXXX).
2. The partial values of 25/40/50/60/125/250/400/500 m
are belonged to non-E series.
3. Except customer special requirement, values for E96 series are no marking.
4. 5% and 1% follow the same marking rules.
NOTE
1. All above values for E24 series are
marked with a 3-digit code (RXX).
2. The partial values of
25/40/50/60/250/400/500 m
belonged to non-E series.
are
3. Except customer special requirement,
values for E96 series are no marking
4. 5% and 1% follow the same marking
rules.
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Sep. 11, 2017 V.3
Product specification
Chip Resistor Surface Mount
Marking
9
9
REVISION HISTORY
REVISION DATE
CHANGE NOTIFICATION
DESCRIPTION
Version 3
Sep. 11, 2017 -
- Update marking rules for all product series.
Version 2
Jun 01, 2011
- AC/AF/PT/RE series added
-
- Figure for wide termination added
- EIA-24 marking rule updated
Version 1
Apr 02, 2008
-
Version 0
Dec 17, 2004 -
- Marking kinds added according to range extended.
- Yageo/Phycomp brand new data sheet of “Marking”.
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Sep. 11, 2017 V.3