Features
■ Thick ?lm technology
■ Power rating of 0.25, 0.5 or 1 watt at 70 °C
Applications
■ Power supplies
■ Stepper motor drives
■ Strong pulse performance
■ RoHS compliant*
CRM0805/1206/2010 Chip Resistors
Electrical Characteristics
General Information
Bourns ? CRM Series are thick ?lm chip
Characteristic
Power Rating @ 70 °C
Operating Temperature Range
Derated to Zero Load at
Model
CRM0805
0.25 W
Model
CRM1206
0.5 W
-55 °C to +155 °C
+155 °C
Model
CRM2010
1W
resistors with high power ratings making
them suitable for different applications in
power supply circuits including current
sensing, current limiting and high pulse
resistance.
Maximum Working Voltage
Characteristic Data
47 mohms to 910 mohms
551 mV
675 mV
954 mV
1 ohm to 1 megohm
150 V
200 V
200 V
Test
Δ R Max.
Insulation Resistance
Resistance Range
>1000 megohms
47 mohms to 910 mohms (±1 % and ±5 %, E24 Series)
1 ohm to 1 megohm (±1 %, E96 Series)
Load Life (1000 hours)
Rated Voltage @ 70 °C
(1.5 hrs. on, 0.5 hrs. off)
0 ohm, 1 ohm to 1 megohm (±5 %, E24 Series)
1 % Tolerance
<1%
Resistance Tolerance
±1 %, ±5 %
5 % Tolerance
<3%
Temperature Coef?cient
47 mohms to 91 mohms
(±1 % and ±5 %, E24 Series)
100 mohms to 910 mohms
(±1 % and ±5 %, E24 Series)
1 ohm to 1 megohm
(±1 %, E96 Series)
±200 ppm
±100 ppm (2)
±100 ppm (3)
±100 ppm (1)
±100 ppm (2)
±100 ppm
±100 ppm (1)
±100 ppm
±100 ppm
Short Term Overload
(5 X Rated Power for 5 sec.)
1 % Tolerance
5 % Tolerance
Thermal Shock
(5 Cycles: -55 °C/30 min.;
+25 °C/2-3 min.; +155 °C/
30 min.; +25 °C/2-3 min.)
<1%
<2%
0 ohm, 1 ohm to 1 megohm
1 % Tolerance
< 0.5 %
(±5 %, E24 Series)
±200 ppm
±100 ppm
±100 ppm
5 % Tolerance
<1%
Exceptions:
(1) 47 mohms to 91 mohms (-25 °C to +55 °C): ±150 ppm (CRM2010), ±200 ppm (CRM1206)
(2) 100 mohms to 910 mohms (-25 °C to +55 °C): ±150 ppm (CRM0805)
(3) ±1 %, 1 ohm to 9.76 ohms (-55 °C): ±150 ppm (CRM0805)
For Standard Values Used in Capacitors,
Inductors and Resistors, click here .
Product Dimensions
L
Model
L
W
C
D
T
CRM0805
2.00 ± 0.15 1.20 ± 0.15 0.40 ± 0.20 0.40 ± 0.20 0.50 ± 0.10
(0.079 ± 0.006) (0.047 ± 0.006) (0.016 ± 0.008) (0.016 ± 0.008) (0.020 ± 0.04)
W
CRM1206
CRM2010
3.10 ± 0.15 1.60 ± 0.15 0.50 ± 0.25 0.50 ± 0.25 0.55 ± 0.10
(0.122 ± 0.006) (0.063 ± 0.006) (0.020 ± 0.010) (0.020 ± 0.010) (0.022 ± 0.004)
5.00 ± 0.20 2.50 ± 0.20 0.60 ± 0.25 0.60 ± 0.25 0.60 ± 0.10
(0.197 ± 0.008) (0.098 ± 0.008) (0.024 ± 0.010) (0.024 ± 0.010) (0.024 ± 0.004)
C
T
D
Recommended Solder Pad Layout
Model
CRM0805
CRM1206
CRM2010
A
1.3
(0.051)
1.8
(0.071)
3.0
(0.118)
B
1.15
(0.045)
1.3
(0.051)
1.5
(0.059)
L
1.2
(0.047)
2.1
(0.083)
3.8
(0.149)
Cu TRACE
L
B
SENSING TRACE
A
DIMENSIONS:
MM
(INCHES)
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Speci?cations are subject to change without notice.
Customers should verify actual device performance in their speci?c applications.
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