PL
IA
NT
Features
■
Thick film technology
■
Power rating of 0.25, 0.5 or 1 watt at 70 °C
■
Strong pulse performance
■
RoHS compliant*
Applications
■
Power supplies
■
Stepper motor drives
*R
oH
S
CO
M
CRM0805/1206/2010 Chip Resistors
Electrical Characteristics
Characteristic
Power Rating @ 70 °C
Operating Temperature Range
Derated to Zero Load at
Maximum Working Voltage
47 mohms to 910 mohms
1 ohm to 1 megohm
Insulation Resistance
Resistance Range
551 mV
150 V
Model
CRM0805
0.25 W
Model
CRM1206
0.5 W
-55 °C to +155 °C
+155 °C
675 mV
200 V
>1000 megohms
47 mohms to 910 mohms (±1 % and ±5 %, E24 Series)
1 ohm to 1 megohm (±1 %, E96 Series)
0 ohm, 1 ohm to 1 megohm (±5 %, E24 Series)
±1 %, ±5 %
954 mV
200 V
Model
CRM2010
1W
General Information
Bourns
®
CRM Series are thick film chip
resistors with high power ratings making
them suitable for different applications in
power supply circuits including current
sensing, current limiting and high pulse
resistance.
Characteristic Data
Test
Load Life (1000 hours)
Rated Voltage @ 70 °C
(1.5 hrs. on, 0.5 hrs. off)
1 % Tolerance
5 % Tolerance
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 % Tolerance
5 % Tolerance
ΔR
Max.
Resistance Tolerance
Temperature Coefficient
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)
0 ohm, 1 ohm to 1 megohm
(±5 %, E24 Series)
<1%
<3%
±200 ppm
±100 ppm
(2)
±100 ppm
(3)
±200 ppm
±100 ppm
(1)
±100 ppm
(2)
±100 ppm
±100 ppm
±100 ppm
(1)
±100 ppm
±100 ppm
±100 ppm
<1%
<2%
< 0.5 %
<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
CRM0805
CRM1206
CRM2010
L
W
C
D
T
W
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)
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)
D
C
T
Recommended Solder Pad Layout
Model
CRM0805
CRM1206
CRM2010
DIMENSIONS:
MM
(INCHES)
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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
A
SENSING TRACE
CRM0805/1206/2010 Chip Resistors
Soldering Profile
275
<1>
Maximum of 20 seconds between
Derating Curve
260 °C peak
Power Ratio (%)
+255 °C and +260 °C
225
<1>
255 °C
100
220 °C
Temperature (°C)
190 °C
175
150 °C
90 - 150
seconds
Ramp Down
6 °C/second
125
60 - 120 seconds
10 seconds minimum
-55
70
155
75
Ramp Up
3 °C/second maximum
25
0
50
100
150
Time (seconds)
200
250
300
Ambient Temperature (°C)
Pulse Voltage Curve
10000
1000
VOLTS (V)
100
CRM2010
CRM1206
CRM0805
10
1
10
100
1000
10000
100000
RESISTANCE (OHMS)
Test Method: 1.2/50
μs
Waveform with 12 Ohm Resistor, 5 Pulses at 12 Second Intervals
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
CRM0805/1206/2010 Chip Resistors
How to Order
CRM 2010 - F X - R100 E LF
Model
(CRM = Precision Chip Resistor)
Size
0805 = 0805 Size
1206 = 1206 Size
2010 = 2010 Size
Resistance Tolerance
• F = ±1 %
• J = ±5 %
TCR (PPM/°C)
• W = ±200 PPM/°C
• Z = ±150 PPM/°C
• X = ±100 PPM/°C
Resistance Value
R <1 ohm (1 % or 5 % Tolerance: “R” (decimal point) followed by three significant digits (example: R100 = 0.100 ohm
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 = 5000 pieces on 180 mm (7 inch) reel - CRM0805, CRM1206
4000 pieces on 180 mm (7 inch) reel - CRM2010
Termination
• LF = Tin-plated (RoHS Compliant)
Packaging Dimensions (Conforms to EIA RS-481A)
4.0
±
0.1
(.157
±
.004)
B
A
2.0
±
0.05
(.079
±
.002)
13.0 ± 1.0
(0.512 ± 0.039)
DIA.
180 +0/-3
(7.09 +0/-0.118)
DIA.
60.0
(2.362)
MIN.
DIA.
F
W
P0
1.5 +0.1/-0
(.056 + .004/-0)
1.75
±
0.1
(.059
±
.004)
15.4 ± 2.0
(0.606 ± 0.079)
Maximum 1 mm (.040) thick
* Cumulative over 10 holes: ±0.2 mm
DIMENSIONS:
MM
(INCHES)
13.0 ± 1.0
(0.512 ± 0.039)
Model
CRM0805
CRM1206
CRM2010
REV. 01/13
A
2.40 ± 0.20
(0.094 ± 0.008)
3.57 ± 0.20
(0.141 ± 0.008)
5.50 ± 0.20
(0.217 ± 0.008)
B
1.65 ± 0.20
(0.065 ± 0.008)
2.00 ± 0.20
(0.079 ± 0.008)
2.80 ± 0.20
(0.110 ± 0.008)
F
W
3.50 ± 0.05
8.00 ± 0.30
(0.138 ± 0.002) (0.315 ± 0.012)
3.50 ± 0.05
8.00 ± 0.30
(0.138 ± 0.002) (0.315 ± 0.012)
5.50 ± 0.05
12.00 ± 0.30
(0.217 ± 0.002) (0.472 ± 0.012)
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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