Product specification
Chip Resistor Surface Mount
2
8
Marking
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Indicator Tol. ≥ 5% Tol. ≤ 1%
R (1) 0.001 to 9.1 Ω 0.001 to 97.6 Ω
0 10 to 91 Ω 100 to 976 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 −
NOTE
1. R denotes the decimal point.
Table 1 Resistance value indication
MARKING
R
RE
ES
SI
IS
ST
TA
AN
NC
CE
E
C
CO
OD
DE
E
Wherever it is possible, chip resist ors are provided with a resistance
code.
The resistance code includes the first two or three significant digits of
the re sistance v alue (X) followed by the number of zeros; see Table 1.
Whether two or three significant values are represented depends on the
tolerance:
±5% requires t wo digits (E24 seri es)
− For example: 244 = 24 × 104 = 240,000 = 240 kX
±1% and lower requires three digits (E24/E96 series)
− For example: 3160 = 316 × 100 = 316 X
GENERAL PRINCIPLES AND ILLUSTRATORS OF MARKING CODES
KINDS FORMS PRODUCT TYPES RESISTANCE RANGE ILLUSTRATORS & EXAMPLES
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
YC102/122 All
TC122 All
TC124 All
ATV321 All
No marking −
Speciality Out of standard resistance value Based on type
Fig. 1 No marking
ynsc007
Fig. 2 No marking
ynsc008
Fig. 3 No marking
ynsc060
Fig. 4 No marking
YNSC061
Fig. 5 No marking
(rectangle for position)
YNSC02
7
Product specification
Chip Resistor Surface Mount
3
8
Marking
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un 01, 2011 V.2
KINDS FORMS PRODUCT TYPES RESISTANCE RANGE ILLUSTRATORS & EXAMPLES
All sizes of RC/AF/AC series
except wide termination Jumper = 0 Ω
Size 1218 of RC/AC series Jumper = 0 Ω
1-Digit
marking 0
YC162
YC124/164
YC248
TC164
Jumper = 0 Ω
Size 0603 to 2512 of
RC/RV/AC series
Size 0603 to 1206 of
AR/AF/RE series
Size 0805 to 2512 of SR series
except wide termination
5% E24: R ≥ 10 Ω
Size 1218 of RC/AC/SR series 5% E24: R ≥ 10 Ω
YC162
YC124/164
YC324
YC158
YC358
YC248
5% E24: R ≥ 10 Ω
3-Digit
marking XXX
TC164 5% E24: R ≥ 10 Ω
Fig. 6 Value = 0 Ω
YNSC028
0
Fig. 7 Value = 0 Ω
YNSC100
Fig. 9 240 = 24 × 10
0
= 24 Ω
YNSC030
20
Fig. 10 240 = 24 × 10
0
= 24 Ω
YNSC101
20
YNSC031
2
2
YNSC029
YNSC033
2
YNSC034
2
ynsc063
Fig. 11 244 = 24 × 10
4
= 240 KΩ
(dot for position)
YNSC035
2
Fig. 8 Value = 0 Ω
YNSC010
0
YNSC014
0
ynsc06
2
YNSC032
0
Fig. 12 244 = 24 × 10
4
= 240 KΩ
YNSC036
2
Product specification
Chip Resistor Surface Mount
4
8
Marking
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KINDS FORMS PRODUCT TYPES RESISTANCE RANGE ILLUSTRATORS & EXAMPLES
Size 0603 of
RC/RE series 1%, 0.5% E24
Size 0603 of
AR/AF/AC series 1% E24
XXX with
short bar
below Size 0603 of RT/RJ 1%, 0.5%, 0.25%, 0.1%, 0.05% E24
exception values 10/11/13/15/20/75
of E24 series
Size 0603 of
RC/RE series 1%, 0.5% E96
Size 0603 of
AR/AF/AC series 1% E96
XXX
formed w ith
2 numerals
+ 1 letter Size 0603 of RT/RJ 1%, 0.5%, 0.25%, 0.1%, 0.05% E96
including values 10/11/13/15/20/75
of E24 series
Size 0603 to 2512 of
RC/AC series
Size 0603 to 1206 of
AR/AF series
Size 0805 to 2512 of SR series
except wide termination
5% E24: R < 10 Ω
XRX
Size 1218 of RC/AC/SR 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
RXX
Size 0603 of RT series 5%, 1% E24: R ≥ 100mΩ,
reference to Table 3
3-Digit
marking
¯
XmX
with top bar PR series 1.5 mΩ
Fig. 15 2R2 = 2.2 Ω
YNSC039
Fig. 18 1m5 = 0.0015 Ω= 1.5 mΩ
YNSC041
Fig. 16 2R2 = 2.2 Ω
YNSC102
Fig. 17 R22 = 220 mΩ
YNSC006
Fig. 13 240 = 24 × 10
0
= 24 Ω
YNSC037
0
Fig. 14 88A = 806 × 10
0
= 806 Ω
YNSC038
88
Product specification
Chip Resistor Surface Mount
5
8
Marking
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KINDS FORMS PRODUCT TYPES RESISTANCE RANGE ILLUSTRATORS & EXAMPLES
Size 0805 to 2512 of
RC/RV/AC series
Size 0805 to 1206 of
AR/AF/RE series
except wide termination
1% E24/E96: R ≥ 100 Ω
Size 0805 to 2512 of
RT/RJ series 1%, 0.5%, 0.25%, 0.1% E24/E96:
R ≥ 100 Ω
Size 1218 of RC/AC series 1% E24/E96: R ≥ 100 Ω
YC124/164
YC248
YC324 1% E24/E96: R ≥ 100 Ω
XXXX
TC164 1% E24/E96: R ≥ 100 Ω
Size 0805 to 2512 of
RC/AC series
Size 0805 to 1206 of
AR/AF/RE series
except wide termination
1% E24/E96: R < 100 Ω
Size 0805 to 2512 of
RT/RJ series 1%, 0.5%, 0.25%, 0.1% E24/E96: R
< 100 Ω
Size 1218 of RC/AC series 1% E24/E96: R < 100 Ω
YC124/164
YC248
YC324 1% E24/E96: R < 100 Ω
4-Digit
marking
XRXX,
XXRX
TC164 1% E24/E96: R < 100 Ω
Fig. 19 1002 = 100 × 10
2
= 10 KΩ
YNSC004
00
YNSC043
360
YNSC042
360
Fig. 21 3160 = 316 × 10
0
= 316 Ω
YNSC044
360
Fig. 23 31R6 = 31.6 Ω
YNSC050
36
Fig. 20 1002 = 100 × 10
2
= 10 KΩ
YNSC103
00
Fig. 24 31R6 = 31.6 Ω
YNSC104
36
Fig. 22 3160 = 316 × 10
0
= 316 Ω
YNSC045
360
YNSC047
36
YNSC046
36
Fig. 25 31R6 = 31.6 Ω
YNSC048
36
Fig. 26 31R6 = 31.6 Ω
YNSC049
36
Product specification
Chip Resistor Surface Mount
6
8
Marking
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un 01, 2011 V.2
KINDS FORMS PRODUCT TYPES RESISTANCE RANGE ILLUSTRATORS & EXAMPLES
Size 0805 to 2512 of RL series
except wide termination 5%, 1% E24,
reference to Table 4
All sizes of PF series 20 mΩ/25 mΩ/50 mΩ
Size 0805 to 2512 of PT series
except wide termination 5%, 1% E24: R ≥ 100mΩ,
reference to Table 4
RXXX
Size 1218 of RL series
Size 0815 of PT series 5%, 1% E24,
reference to Table 4
4-Digit
marking
¯
RXX
¯
X
with top bar All sizes of PR series
All sizes of PF series 1/2/3/4/5 mΩ
6/7/10 mΩ
NOTE
1. Please contact with local sales force for unavailable resistance
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 fir st two digits of the three-digit EIA-96 part-m arking scheme.
The third character is a letter multiplier:
X = 10-1, Y = 10-2, A = 100, B = 101, C = 102, D = 103, E = 104, F = 105
Table 2 EIA-96 marking rule
Fig. 27 R020 = 0.02 Ω= 20 mΩ
YNSC005
020
Fig. 28 R220 = 220 mΩ
YNSC080
20
Fig. 29 R025 = 25 mΩ
YNSC097
025
Fig. 30 R001 = 0.001 Ω= 1 mΩ
YNSC052
001
Product specification
Chip Resistor Surface Mount
7
8
Marking
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CODE VALUE (mX)
R01 10
R02 20
No marking 25 (2)
R03 30
R04 40 (2)
R05 50 (2)
R06 60 (2)
R10 100
R11 110
R12 120
R13 130
R15 150
R16 160
R18 180
R20 200
R22 220
R24 240
R25 250 (2)
R27 270
R30 300
R33 330
R36 360
R39 390
R40 400 (2)
R43 430
R47 470
R50 500 (2)
R51 510
R56 560
R62 620
R68 680
R75 750
R82 820
R91 910
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 mX 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.
Table 3 EIA-24 marking rule for
size 0603 of RL/PT CODE VALUE (mX) CODE VALUE (mX)
R010 10 R110 110
R011 11 R120 120
R012 12 R125 125 (2)
R013 13 R130 130
R015 15 R150 150
R016 16 R160 160
R018 18 R180 180
R020 20 R200 200
R022 22 R220 220
R024 24 R240 240
R025 25 (2) R249 249 (3)
R027 27 R250 250 (2)
R030 30 R255 255 (3)
R033 33 R270 270
R036 36 R300 300
R039 39 R330 330
R040 40 (2) R360 360
R043 43 R390 390
R047 47 R400 400 (2)
R050 50 (2) R430 430
R051 51 R470 470
R056 56 R500 500 (2)
R060 60 (2) R510 510
R062 62 R560 560
R068 68 R620 620
R075 75 R680 680
R082 82 R750 750
R091 91 R820 820
R100 100 R910 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 mX 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.
Table 4 EIA-24 marking rule for size 0805 to 2512 of RL/PT
Product specification
Chip Resistor Surface Mount
8
8
Marking
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un 01, 2011 V.2
REVISION HISTORY
REVISION DATE CHANGE NOTIFICATION DESCRIPTION
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 - - Marking kinds added according to range extended.
Version 0 Dec 17, 2004 - - Yageo/Phycomp brand new data sheet of “Marking”.
