Features
Additional Information
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100
1
Electrical Characteristics
Characteristic
Power Rating @ 70°C
Operating Temperature
Range
Maximum Working Voltage
Maximum Overload Voltage
Resistance Range /
Temperature Coefficient
Tolerance /
Standard Resistance Values
150 V
300 V
CRS0805
0.25 W
■
Anti-surge
■
Wide resistance range
■
RoHS compliant*
PRODUCT TECHNICAL INVENTORY SAMPLES
SELECTOR LIBRARY
CONTACT
CRS Series - High Power Anti-Surge Chip Resistor
Recommended Solder Pad Layout
A
CRS1206
0.5 W
CRS2010
1W
CRS2512
2W
B
L
DIMENSIONS:
MM
(INCHES)
-55 °C to +155 °C
200 V
400 V
200 V
400 V
300 V
600 V
Model
Dimension
A
1.30
(0.051)
1.80
(0.071)
3.00
(0.118)
3.70
(0.146)
B
1.15
(0.045)
1.30
(0.051)
1.50
(0.059)
2.45
(0.096)
L
3.50
(0.138)
4.70
(0.185)
6.80
(0.268)
7.60
(0.299)
1 to 9.9 ohms
/
±200 PPM/°C
10 ohms to 1 megohm / ±100 PPM/°C
1 % / E96 + E24
5 % / E24
CRS0805
CRS1206
CRS2010
Performance Characteristics
Test
Short Time Overload
Solderability
Resistance to
Solder Heat
Load Life Humidity
Conditions
2 times rated voltage or maximum
overload voltage for 5 seconds.
245 ±5 °C for 3 ±0.5 seconds.
260 ±5 °C for 10 ± 1 seconds.
40 ±2 °C, 90 to 95 %.
1.5 hours ON, 0.5 hours OFF for
1000 hours at rated power.
70 °C.
1.5 hours ON, 0.5 hours OFF for
1000 hours at rated power.
-55 °C (30 min.), +25 °C (2~3 min.),
+155 °C (30 min.), +25 °C (2~3 min.)
for five cycles.
Specification
CRS2512
Construction
ΔR
≤±(2
% + 0.1
Ω)
Over 95 % coverage
ΔR
≤±(1
% + 0.1
Ω)
ΔR
≤±(3
% + 0.1
Ω)
Sn PLATING
OVERCOAT
CONDUCTOR (Lead Free)
RESISTIVE ELEMENT
CERAMIC SUBSTRATE
Ni PLATING
Derating Curve
Power Ratio (%)
ΔR
≤±(3
% + 0.1
Ω)
Load Life
100
Temperature Cycle
ΔR
≤±(1
% + 0.05
Ω)
-55
70
155
Ambient Temperature (°C)
Product Dimensions
Model
CRS0805
CRS1206
CRS2010
CRS2512
Dimension
C
0.40 ± 0.20
(0.016 ± 0.008)
0.50 ± 0.20
(0.020 ± 0.008)
0.60 ± 0.25
(0.024 ± 0.010)
0.60 ± 0.25
(0.024 ± 0.010)
A
A
2.00 ± 0.10
(0.079 ± 0.004)
3.10 ± 0.10
(0.122 ± 0.004)
5.00 ± 0.20
(0.197 ± 0.008)
6.40 ± 0.20
(0.252 ± 0.008)
B
1.25 ± 0.10
(0.049 ± 0.004)
1.60 ± 0.10
(0.063 ± 0.004)
2.50 ± 0.20
(0.098 ± 0.008)
3.20 ± 0.20
(0.126 ± 0.008)
D
0.40 ± 0.20
(0.016 ± 0.008)
0.50 ± 0.20
(0.020 ± 0.008)
0.60 ± 0.25
(0.024 ± 0.010)
1.80 ± 0.25
(0.071 ± 0.010)
T
0.50 ± 0.10
(0.020 ± 0.004)
0.55 ± 0.10
(0.022 ± 0.004)
0.55 ± 0.10
(0.022 ± 0.004)
0.60 ± 0.15
(0.024 ± 0.006)
B
C
C
T
D
D
DIMENSIONS:
MM
(INCHES)
WARNING
Cancer and Reproductive Harm
www.P65Warnings.ca.gov
*RoHS Directive 2015/863, Mar 31, 2015 and Annex.
Specifications are subject to change without notice. Users should verify actual device performance in their specific
applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last
page of this document, and at
www.bourns.com/docs/legal/disclaimer.pdf.
Applications
■
Pulse power applications
■
High voltage applications
■
Consumer electronics
■
Telecommunications
■
Power supplies
CRS Series - High Power Anti-Surge Chip Resistor
Surge Performance
1000
Peak Power (W)
100
10
CRS2512
CRS2010
CRS1206
1
0.0001
CRS0805
0.001
0.01
0.1
1
Surge Duration (seconds)
10000
CRS2512
CRS2010
Peak Voltage (Volts)
1000
CRS1206
CRS0805
100
10
1
10
100
1000
10000
100000
Test Method:1.2/50 µs Waveform
5 Pulses at 12 Second Intervals
Resistance (Ohms)
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at
www.bourns.com/docs/legal/disclaimer.pdf.
CRS Series - High Power Anti-Surge Chip Resistor
Soldering Profile
300
250
245 °C peak
Temperature (°C)
200
190 °C
10 - 15
seconds
150
60 - 120 seconds
100
50
0
0
10
50
100
Time (seconds)
150
200
250
How to Order
CRS 2512 - F X - 24R3 E LF
Model
CRS = Anti-Surge Chip Resistor
Size
0805
1206
2010
2512
Resistance Tolerance
F = ±1 %
J = ±5 %
TCR
X = ±100 PPM/°C
W = ±200 PPM/°C
Resistance Value
1% Tolerance:
<100 ohms ..... “R” represents decimal point
(example: 24R3 = 24.3 ohms)
≥100
ohms...... First three digits are significant, fourth digit represents number of zeros to follow
(example: 8252 = 82.5K ohms)
5% Tolerance:
<10 ohms ....... “R” represents decimal point
(example: 4R7 = 4.7 ohms)
≥10
ohms........ First two digits are significant, third digit represents number of zeros to follow
(example: 474 = 470K ohms)
Packaging
E = 5,000 pieces per 7-inch reel (CRS0805, CRS1206)
4,000 pieces per 7-inch reel (CRS2010, CRS2512)
Termination
LF = Tin-plated (RoHS Compliant)
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at
www.bourns.com/docs/legal/disclaimer.pdf.
CRS Series - High Power Anti-Surge Chip Resistor
Packaging Dimensions (Conforms to EIA RS-481A)
1.75 ± 0.10
(0.069 ± 0.004)
F
2.0 ± 0.5
(0.079 ± 0.020)
T
EMBOSSED TAPE
TOP TAPE
1.50 +0.10/-0
DIA.
(0.059 +0.004/-0)
178.2 ± 2.0
(7.016 ± 0.079)
DIA.
W
13.0
±
0.5
(.512
±
.020)
DIA.
60.0 ± 0.5
(2.362 ± 0.020)
20.0
DIA.
(0.787)
RESISTOR
A
1.2 ± 0.15
(0.047 ± 0.006)
4.00 ± 0.10
(0.157 ± 0.004)
2.00 ± 0.05
(0.079 ± 0.002)
4.00 ± 0.10
(0.157 ± 0.004)
B
MAX.
USER DIRECTION OF FEED
DIMENSIONS:
MM
(INCHES)
G
Model
CRS0805
CRS1206
CRS2010
CRS2512
Dimension
A
1.65 ± 0.20
(0.065 ± 0.008)
2.00 ± 0.20
(0.079 ± 0.008)
2.80 ± 0.20
(0.110 ± 0.008)
3.50 ± 0.20
(0.138 ± 0.008)
B
2.40 ± 0.20
(0.094 ± 0.008)
3.60 ± 0.10
(0.142 ± 0.004)
5.50 ± 0.20
(0.217 ± 0.008)
6.70 ± 0.20
(0.264 ± 0.008)
F
3.50 ± 0.05
(0.138 ± 0.002)
3.50 ± 0.05
(0.138 ± 0.002)
5.50 ± 0.05
(0.217 ± 0.002)
5.50 ± 0.05
(0.217 ± 0.002)
W
8.00 ± 0.30
(0.315 ± 0.012)
8.00 ± 0.30
(0.315 ± 0.012)
12.00 ± 0.30
(0.472 ± 0.012)
12.00 ± 0.30
(0.472 ± 0.012)
Model
CRS0805
CRS1206
CRS2010
CRS2512
Pcs.
per Reel
5,000
4,000
G
Dimension
T (MAX.)
20.00
(0.587)
16.70
(0.657)
10.00 ± 1.50
0.394 ± 0.059)
13.80 ± 1.50
(0.543 ± 0.059)
Asia-Pacific:
Tel: +886-2 2562-4117 • Email: asiacus@bourns.com
EMEA:
Tel: +36 88 885 877 • Email: eurocus@bourns.com
The Americas:
Tel: +1-951 781-5500 • Email: americus@bourns.com
www.bourns.com
REV. 09/19
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at
www.bourns.com/docs/legal/disclaimer.pdf.
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®
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statements regarding the suitability of products for certain types of applications are based on Bourns’ knowledge of typical
requirements in generic applications. The characteristics and parameters of a Bourns
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