DATA SHEET
AUTOMOTIVE GRADE SURGE
CHIP RESISTORS
SR series
1%, 0.5%
sizes 0402/0603/0805/1206/1210/1218/2010/2512
RoHS compliant & Halogen free
Product specification
–
August 9, 2021 V.5
Product specification
2
9
Chip Resistor Surface Mount
SR
SERIES
0402/0603/0805/1206/1210/1218/2010/2512
SCOPE
This specification describes
SR0402 to SR2512 chip resistors
with lead-free terminations made by
thick film process.
APPLICATIONS
⚫
⚫
⚫
ORDERING INFORMATION - GLOBAL PART NUMBER
Part number is identified by the series name, size, tolerance, packaging
type, temperature coefficient, taping reel and resistance value.
GLOBAL PART NUMBER
SR XXXX X X X XX XXXX L
(1)
(2) (3) (4)
(5)
(6)
(7)
Telecommunications
Power supplies
Car electronics
(1) SIZE
0402 / 0603 / 0805 / 1206 / 1210 / 1218 / 2010 / 2512
(2) TOLERANCE
D = ± 0.5%
F = ± 1%
FEATURES
⚫
⚫
AEC-Q200 qualified
Superior to RC series in pulse
withstanding voltage and surge
withstanding voltage.
MSL class: MSL 1
Halogen free epoxy
RoHS compliant
-
(3) PACKAGING TYPE
R = Paper taping reel
K = Embossed taping reel
(4) TEMPERATURE COEFFICIENT OF RESISTANCE
–
= Based on spec.
⚫
⚫
⚫
(5) TAPING REEL & POWER
07 = 7 inch dia. Reel
13 = 13 inch dia. Reel
7W = 7 inch dia. Reel & 2 x standard power
7T = 7 inch dia. Reel & 3 x standard power
Products with lead-free
terminations meet RoHS
requirements
Pb-glass contained in electrodes,
resistor element and glass are
exempted by RoHS
47 = 7 inch dia. Reel & 4 x standard power
-
(6) RESISTANCE VALUE
1
Ω
≤
R
≤
1M
Ω
There are 2~4 digits indicated the resistance value. Letter R/K/M is decimal point, no
need to mention the last zero after R/K/M, e.g.1K2, not 1K20.
Detailed coding rules of resistance are shown in the table of
“Resistance rule of
global part number”.
⚫
Reduce environmentally
hazardous waste
High component and equipment
reliability
⚫
(7) DEFAULT CODE
Letter L is the system default code for ordering only.
(Note)
Resistance rule of global part
number
Resistance coding
Example
rule
XRXX
(1 to 9.76
Ω)
XXRX
(10 to 97.6
Ω)
XXXR
(100 to 976
Ω)
XKXX
(1 to 9.76 KΩ)
XXKX
(10 to 97.6 KΩ)
XXXK
(100 KΩ)
1R = 1
Ω
1R5 = 1.5
Ω
9R76 = 9.76
Ω
10R = 10
Ω
97R6 = 97.6
Ω
100R = 100
Ω
1K = 1,000
Ω
9K76 = 9760
Ω
10K = 10,000
Ω
97K6= 97,600
Ω
100K = 100,000
Ω
O
RDERING EXAMPLE
The ordering code for an SR0805
chip resistor, value 10 KΩ with
± 1% tolerance, supplied in 7-inch
tape reel is: SR0805FR-0710KL.
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Aug. 09, 2021 V.5
Product specification
3
9
Chip Resistor Surface Mount
SR
SERIES
0402/0603/0805/1206/1210/1218/2010/2512
MARKING
SR0402
No Marking
ynsc007
Fig. 1
SR1218
YNSC099-1
E-24 series: 3 digits
First two digits for significant figure and 3rd digit for number of zeros
Fig. 2
Value=10 KΩ
SR0603 / SR0805 / SR1206 / SR1210 / SR2010 / SR2512
03
Fig. 3
NOTE
YNSC001
E-24 series: 3 digits
First two digits for significant figure and 3rd digit for number of zeros
Value=10 KΩ
For further marking information, please refer to data sheet
“Chip
resistors marking”.
Table 1
TAPING REEL & POWER
POWER, W (P70)
TYPE
07
0402
0603
0805
1206
1210
1218
2010
2512
1/16
1/10
1/8
1/4
1/2
1
3/4
1
CODING
7W
1/8
1/5
1/4
1/2
1
1.5
1.25
2
7T
1/5
1/4
1/3
3/4
-
-
-
-
47
-
-
1/2
1
-
-
-
-
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Aug. 09, 2021 V.5
Product specification
4
9
Chip Resistor Surface Mount
SR
SERIES
0402/0603/0805/1206/1210/1218/2010/2512
CONSTRUCTION
The resistor is constructed on top of a high-grade ceramic body. Internal metal electrodes are added at each
end and connected by a resistive glaze. The resistive glaze is covered by a lead -free glass. The composition of
the glaze is adjusted to give the approximately required resistance value. The whole element is cove red by a
protective overcoat. The top of overcoat is marked with the resistance value. Finally, the two external
terminations (Ni/matte tin) are added, as shown in Fig.5.
OUTLINES
SR0402/0603/0805/1206/1210/1218/2010
marking layer
overcoat
SR2512
marking layer
overcoat
protective glass
protective glass
resistive layer
inner electrode
termination (Ni/matte tin)
inner electrode
YNSC095
resistive layer
inner electrode
termination (Ni/matte tin)
inner electrode
YNSC095-1
ceramic substrate
resistive layer
protective glass
overcoat
Fig. 5-1
Chip resistor outlines
Fig. 5-2
Chip resistor outlines
DIMENSIONS
Table 2
TYPE
SR0402
SR0603
SR0805
SR1206
SR1210
SR1218
SR2010
SR2512
L (mm)
1.00± 0.05
1.60± 0.10
2.00± 0.10
3.10± 0.10
3.10± 0.10
3.10± 0.10
5.00± 0.10
6.35± 0.10
W (mm)
0.50± 0.05
0.80± 0.10
1.25± 0.10
1.60± 0.10
2.60± 0.15
4.60± 0.10
2.50± 0.15
3.10± 0.15
H (mm)
0.35± 0.05
0.45± 0.10
0.50± 0.10
0.55± 0.10
0.55± 0.10
0.55± 0.10
0.55± 0.10
0.55± 0.10
I
1
(mm)
0.20± 0.10
0.25± 0.15
0.35± 0.20
0.45± 0.20
0.45± 0.15
0.45± 0.20
0.55± 0.15
0.60± 0.20
I
2
(mm)
0.25± 0.10
0.25± 0.15
0.35± 0.20
0.40± 0.20
0.50± 0.20
0.40± 0.20
0.50± 0.20
0.50± 0.20
For dimension, please refer to Table 1
SR0402
SR0603/0805/1206/
1210/2010/2512
SR1218
I
1
Side view for all type
I
1
I
1
W
W
W
I
2
L
L
L
H
Fig. 5
Chip resistor dimensions
YNSC096_1
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Aug. 09, 2021 V.5
Product specification
5
9
Chip Resistor Surface Mount
SR
SERIES
0402/0603/0805/1206/1210/1218/2010/2512
ELECTRICAL CHARACTERISTICS
Table 3
RESISTANCE
RANGE
Operating
Temperature Range
CHARACTERISTICS
Max.
Max.
Dielectric
Working Overload Withstanding
Voltage
Voltage
Voltage
Temperature
Coefficient of
Resistance
TYPE
POWER
1/16W
SR0402
1/8W
1/5W
1/10W
50 V
100 V
100 V
SR0603
1/5W
1/4W
1/8 W
1/4W
1/3W
1/2W
1/4 W
1/2W
3/4W
1W
1/2W
1W
1W
1.5W
3/4W
1.25W
1W
2W
E24/E96 0.5%, 1%
1
Ω
≤
R
≤
1M
Ω
–55
°C to +155 °C
75V
150V
150V
SR0805
150V
300V
300V
10Ω < R
≤
1MΩ
± 100 ppm/°C
SR1206
200 V
400 V
500 V
1Ω
≤
R
≤
10Ω
± 200 ppm/°C
SR1210
SR1218
SR2010
SR2512
200 V
200 V
200 V
200 V
400 V
400 V
400 V
400 V
500 V
500 V
500 V
500 V
FOOTPRINT AND SOLDERING PROFILES
Recommended footprint and soldering profiles, please refer to data
sheet “Chip resistors mounting”.
PACKING STYLE AND PACKAGING QUANTITY
Table 4
Packing style and packaging quantity
PACKING STYLE
Paper taping reel (R)
REEL DIMENSION
7" (178 mm)
13" (330 mm)
SR0402
10,000
50,000
---
SR0603/0805/1206
5,000
20,000
---
SR1210
5,000
20,000
---
SR1218/2010/2512
---
---
4,000
Embossed taping reel (K)
NOTE
7" (178 mm)
1. For paper/embossed tape and reel specification/dimensions, please refer to data sheet
“Chip resistors
packing”.
RESISTANCE
RANGE
PT040
2
Aug. 09, 2021 V.5
TEMPERATURE COEFFICIENT OF RESISTANCE
100 mΩ to 910 mΩ
± 200 ppm/°C
± 200 ppm/°C
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PT060
stm32/stm8
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