Features
n EB welded metal strip
n Very high power
n Excellent long term stability
n Low resistance, low TCR
n Low thermal EMF
n RoHS compliant* and halogen free**
n AEC-Q200 compliant
Applications
n Current sensing
n Voltage division
n Battery management systems
n Power modules
n Frequency converters
n Industrial
Model CSS2H-2512 Series Current Sense Resistor
Electrical Characteristics
Characteristic Model CSS2H-2512 Series
Resistance Range /
Power Rating @70 °C1 /
Power Rating @130 °C1
CSS2H-2512C-0003< 0.1 mW / 100 A
CSS2H-2512R-L300x 0.3 mW / 6 W / 3 W
CSS2H-2512R-L500x 0.5 mW / 6 W / 3 W
CSS2H-2512R-1L00x 1.0 mW / 5 W / 3 W
CSS2H-2512K-1L80x 1.8 mW / 5 W / 3 W
CSS2H-2512K-2L00x 2.0 mW / 5 W / 3 W
CSS2H-2512K-2L30x 2.3 mW / 5 W / 3 W
CSS2H-2512K-3L00x 3.0 mW / 4 W / 2 W
CSS2H-2512K-3L50x 3.5 mW / 4 W / 2 W
CSS2H-2512K-4L00x 4.0 mW / 3 W / 2 W
CSS2H-2512K-5L00x 5.0 mW / 2.5 W / 1.5 W
Operating Temperature Range -55 to +170 °C
TCR - Resistive Alloy 2±50 PPM/°C (20~60 °C)
Temperature Coefcient
including
Copper Terminals
CSS2H-2512R-L300x ±150 PPM/°C
CSS2H-2512R-L500x ±100 PPM/°C
CSS2H-2512R-1L00x ±75 PPM/°C
CSS2H-2512K-1L80x ±75 PPM/°C
CSS2H-2512K-2L00x ±75 PPM/°C
CSS2H-2512K-2L30x ±75 PPM/°C
CSS2H-2512K-3L00x ±75 PPM/°C
CSS2H-2512K-3L50x ±75 PPM/°C
CSS2H-2512K-4L00x ±75 PPM/°C
CSS2H-2512K-5L00x ±75 PPM/°C
Inductance < 2 nH
Resistance Tolerance ±1 %, ±5 %
Typical Part Marking
1.0
1530
RESISTANCE VALUE
IN MILLIOHMS
MANUFACTURER’S
TRADEMARK
DATE CODE:
YYWW
How to Order
CSS 2H - 2512 R - L500 J __
Model
No. of Terminals
& Style
Size
Material Type
(See Part Number Table)
Resistance Code (milliohms)
“L” represents decimal point
(examples: L500 = .500 milliohms;
1L00 = 1.00 milliohms)
Resistance Tolerance
F = ±1 %
J = ±5 %
Packaging size
Blank = Standard 13 ” reel
E = Mini 7 ” reel
*RoHS COMPLIANT,
**HALOGEN FREE &
AEC-Q200 COMPLIANT
LEAD FREE
*RoHS COMPLIANT
VERSIONS
AVAILABLE
LEAD FREE
VERSIONS ARE
RoHS COMPLIANT*
1 Terminal temperature
2 For full TCR range, refer to TCR curve
3 Tinned copper
Environmental Characteristics
Characteristic Test Condition DR Max.
Thermal Shock -55 to +150 °C / 2000 Cycles 0.50 %
Short Time Overload 5 Times Rated Power for 5 Second Duration 0.50 %
Resistance to Soldering Heat +260 °C / 10 Seconds 0.50 %
High Temperature Exposure +170 °C / 2000 Hours 1.00 %
Low Temperature Storage -65 °C / 24 Hours 0.10 %
Biased Humidity Test +85 °C, 85 %R.H., 1000 Hours 0.50 %
Moisture Resistance 10 Days with Cold Shock, No Load 0.20 %
Mechanical Shock 100 g, 6 ms half sine 0.20 %
Vibration, High Frequency 20 g, 10-2000 Hz 0.20 %
Load Life 2000 Hours, Max. Load, Terminal Temperature 130 °C 1.00 %
Solderability J-STD-002 95 % Coverage Min.
ESD AEC-Q200-002, 25 kV 0.25 %
Board Flex 60 Sec. Min. Holding Time 0.25 %
Moisture Sensitivity Level Level 1
ESD Classication (HBM) 6
* RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
**Bourns considers a product to be “halogen free” if (a) the Bromine (Br) content is 900 ppm or less; (b) the Chlorine (Cl) content is 900 ppm or less; and (c) the total Bromine (Br)
and Chlorine (Cl) content is 1500 ppm or less.
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
2.3
1731
Recommended Pad Layout
6.35 ± 0.15
(0.250 ± 0.005)
3.05 ± 0.20
(0.120 ± 0.007)
TRIMMING AREA
BASE MATERIAL
COPPER ALLOY C10200
0.35 ± 0.20
(0.014 ± 0.007)
RESISTIVE MATERIAL
3.00 +0.20/-0.30
(0.118 +0.007/-0.011)
1.14 +0.20/-0.50
(0.045 +0.007/-0.019)
3.40
(0.13)
1.80
(0.07)
3.40
(0.134)
SENSE TERMINALS
SOLDER PADS
IA IB
Y
H
0.76
(0.030)
1.53
(0.060)
5.36
(0.211)
2.68
(0.106)
PROBES
DIMENSIONS: MM
(INCHES)
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
Model CSS2H-2512 Series Current Sense Resistor
Product Dimensions
6.35 ± 0.15
(0.250 ± 0.005)
3.05 ± 0.20
(0.120 ± 0.007)
TRIMMING AREA
BASE MATERIAL
COPPER ALLOY C10200
0.35 ± 0.20
(0.014 ± 0.007)
RESISTIVE MATERIAL
3.00 +0.20/-0.30
(0.118 +0.007/-0.011)
1.14 +0.20/-0.50
(0.045 +0.007/-0.019)
3.40
(0.13)
1.80
(0.07)
3.40
(0.134)
SENSE TERMINALS
SOLDER PADS
IA IB
Y
H
0.76
(0.030)
1.53
(0.060)
5.36
(0.211)
2.68
(0.106)
PROBES
DIMENSIONS: MM
(INCHES)
Part Number
Dimension H Dimension Y
CSS2H-2512C-000 0.77 ± 0.10
(0.030 ± 0.004)
0.42 ± 0.10
(0.016 ± 0.004)
CSS2H-2512R-L300x 1.65 ± 0.10
(0.065 ± 0.004)
1.20 ± 0.10
(0.047 ± 0.004)
CSS2H-2512R-L500x 1.13 ± 0.10
(0.044 ± 0.004)
0.84 ± 0.10
(0.033 ± 0.004)
CSS2H-2512R-1L00x 0.77 ± 0.10
(0.030 ± 0.004)
0.42 ± 0.10
(0.016 ± 0.004)
CSS2H-2512K-1L80x
CSS2H-2512K-2L00x
CSS2H-2512K-2L30x
1.06 ± 0.10
(0.042 ± 0.004)
0.55 ± 0.10
(0.022 ± 0.004)
CSS2H-2512K-3L00x
CSS2H-2512K-3L50x
0.80 ± 0.10
(0.031 ± 0.004) 0.42 ± 0.10
(0.016 ± 0.004)
CSS2H-2512K-4L00x
CSS2H-2512K-5L00x
0.77 ± 0.10
(0.030 ± 0.004)
Recommended Measurements
6.35 ± 0.15
(0.250 ± 0.005)
3.05 ± 0.20
(0.120 ± 0.007)
TRIMMING AREA
BASE MATERIAL
COPPER ALLOY C10200
0.35 ± 0.20
(0.014 ± 0.007)
RESISTIVE MATERIAL
3.00 +0.20/-0.30
(0.118 +0.007/-0.011)
1.14 +0.20/-0.50
(0.045 +0.007/-0.019)
3.40
(0.13)
1.80
(0.07)
3.40
(0.134)
SENSE TERMINALS
SOLDER PADS
IA IB
Y
H
0.76
(0.030)
1.53
(0.060)
5.36
(0.211)
2.68
(0.106)
PROBES
3312 - 2 mm SMD Trimming Potentiometer
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
Model CSS2H-2512 Series Current Sense Resistor
TCR Curves
1.5
2.0
0.5
1.0
-0.5
0
-1.5
-2.0 -55 -30 -5 20 45
Temperature (°C)
K-Type Resistive Material
dR/R25 (%)
70 95 120 145 170
-1.0 Material Chart
±100 PPM TCR
1.5
2.0
0.5
1.0
-0.5
0
-1.5
-2.0 -55 -30 -5 20 45
Temperature (°C)
R-Type Resistive Material
dR/R25 (%)
70 95 120 145 170
-1.0 Material Chart
±100 PPM TCR
0.8
1.0
0.2
0.6
-0.2
0
-0.8
-1.0 -55 -30 -5 20 45
Temperature (°C)
K-Type Resistive Material
dR/R25 (%)
70 95 120 145 170
-0.6
0.4
-0.4
Material Chart
±50 PPM TCR
0.8
1.0
0.2
0.6
-0.2
0
-0.8
-1.0 -55 -30 -5 20 45
Temperature (°C)
R-Type Resistive Material
dR/R25 (%)
70 95 120 145 170
-0.6
0.4
-0.4
Material Chart
±50 PPM TCR
Power Derating Curves
0
0204080 100 120 140 180
20
40
Power Ratio (%)
Terminal Temperature (°C)
80
120
100
60
60
70 °C
160
0204080 100 120 140 180
Terminal Temperature (°C)
60
130 °C
160
0
20
40
Power Ratio (%)
80
120
100
60
0
0204080 100 120 140 180
20
40
Power Ratio (%)
Terminal Temperature (°C)
80
120
100
60
60
70 °C
160
0204080 100 120 140 180
Terminal Temperature (°C)
60
130 °C
160
0
20
40
Power Ratio (%)
80
120
100
60
@70 °C @130 °C
3312 - 2 mm SMD Trimming Potentiometer
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
Model CSS2H-2512 Series Current Sense Resistor
REV. 01/18
Asia-Pacic: Tel: +886-2 2562-4117 • Email: asiacus@bourns.com
EMEA: Tel: +36 88 520 390 • Email: eurocus@bourns.com
The Americas: Tel: +1-951 781-5500 • Email: americus@bourns.com
www.bourns.com
Packaging Specications
DIMENSIONS: MM
(INCHES)
COMPONENT
ORIENTATION
TOP COVER TAPE
TRIMMING
POSITION
1.0
1530
1.0
1530
1.0
1530
0.15
(0.006)
0.13
(0.005)
MATTE
FINISH
EMBOSSED
CARRIER
Components packaged per EIA-481.
Standard Reel Size: 13 inches
Tape Width: 12 mm
Quantity: 3,000 pcs. per reel
Mini-Reel Size: 7 inches
Tape Width: 12 mm
Quantity: 1000 pcs. per reel
Maximum Pulse Power Maximum Pulse Energy
1
10
10000
0.00010.00001 0.001 0.01 0.1 110 100
Pulse Width (Seconds)
0.00010.00001 0.001 0.01 0.1 110 100
Pulse Width (Seconds)
Power (Watts)
0.01
0.1
1
10
100
1000
Energy (Joules)
100
1000 Power (W)
0.3 mΩ
Power (W)
1 mΩ
Power (W)
2 mΩ
Energy (J)
0.3 mΩ
Energy (J)
1 mΩ
Energy (J)
2 mΩ