CRM1206-FX-51R0ELF Bourns Inc., CRM1206-FX-51R0ELF Datasheet
CRM1206-FX-51R0ELF
Manufacturer Part Number
CRM1206-FX-51R0ELF
Description
RESISTOR, THICK FILM, 51OHM, 0.5W, 1%
Manufacturer
Bourns Inc.
Series
CRMr
Datasheet
1.CRM0805-FX-51R0ELF.pdf
(3 pages)
Specifications of CRM1206-FX-51R0ELF
Resistance
51ohm
Resistance Tolerance
± 1%
Power Rating
500mW
Voltage Rating
200V
Temperature Coefficient
± 100ppm/°C
Resistor Element Material
Thick Film
For Standard Values Used in Capacitors, Inductors, and Resistors,
*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex.
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.
Characteristic
Power Rating @ 70 °C
Operating Temperature Range
Derated to Zero Load at
Maximum Working Voltage
Insulation Resistance
Resistance Range
Resistance Tolerance
Temperature Coeffi cient
Model
CRM0805
CRM1206
CRM2010
Recommended Solder Pad Layout
Electrical Characteristics
Product Dimensions
Model
CRM0805
CRM1206
CRM2010
0.047 to 0.91 ohms
1.0 ohm to 1.0 megohm
0.047 to 0.091 ohms
0.100 to 0.91 ohms
1.0 ohm to 1 megohm
10 ohms to 1 megohm
L
(0.079 ± 0.006) (0.047 ± 0.006) (0.016 ± 0.008) (0.016 ± 0.008) (0.020 ± 0.04)
(0.122 ± 0.006) (0.063 ± 0.006) (0.020 ± 0.010) (0.020 ± 0.010) (0.022 ± 0.004)
(0.197 ± 0.008) (0.098 ± 0.008) (0.024 ± 0.010) (0.024 ± 0.010) (0.024 ± 0.004)
C
2.00 ± 0.15
3.10 ± 0.15
5.00 ± 0.20
L
W
1.20 ± 0.15
1.60 ± 0.15
2.50 ± 0.20
(0.051)
(0.071)
(0.118)
1.3
1.8
3.0
A
W
CRM0805
477 mV
0.25 W
Model
150 V
D
10.0 ohms - 1 megohm (E24 + E96 Values)
0.047 - 0.91 ohm (E24 Values)
0.40 ± 0.20
0.50 ± 0.25
0.60 ± 0.25
Features
■
■
■
■
CRM0805/1206/2010 Chip Resistors
1.0 - 9.1 ohms (E24 Values)
Thick fi lm technology
Power rating of 0.25, 0.5 or 1 watt at 70 °C
Strong pulse performance
RoHS compliant*
C
-55 °C to +155 °C
>1000 megohms
(0.045)
(0.051)
(0.059)
±150 PPM/°C
±100 PPM/°C
±200 PPM/°C
±100 PPM/°C
±1 %, ±5 %
1.15
1.3
1.5
CRM1206
B
+155 °C
675 mV
Model
0.5 W
200 V
T
0.40 ± 0.20
0.50 ± 0.25
0.60 ± 0.25
click
D
DIMENSIONS:
here.
(0.047)
(0.083)
(0.149)
CRM2010
954 mV
1.2
2.1
3.8
Model
200 V
0.50 ± 0.10
0.55 ± 0.10
0.60 ± 0.10
L
1 W
(INCHES)
T
MM
Applications
■
■
Bourns
resistors with high power ratings making
them suitable for different applications
in power supply circuits including
current sensing, current limiting and
high pulse resistance.
Power supplies
Stepper motor drives
General Information
Characteristic Data
Derating Curve
Test
Load Life (1000 hours)
Rated Voltage @ 70 °C
(1.5 hrs. on, 0.5 hrs. off)
Short Term Overload
(5 X Rated Power for 5 sec.)
Thermal Shock
(5 Cycles: -55 °C/30 min.;
+25 °C/2-3 min.; +155 °C/
30 min.; +25 °C/2-3 min.)
100
-55
1 % Tolerance
5 % Tolerance
1 % Tolerance
5 % Tolerance
1 % Tolerance
5 % Tolerance
Cu TRACE
®
CRM Series are thick fi lm chip
DIMENSIONS:
Ambient Temperature (°C)
70
L
(INCHES)
B
MM
SENSING TRACE
ΔR Max.
< 0.5 %
< 1 %
< 3 %
< 1 %
< 2 %
< 1 %
155
A
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CRM1206-FX-51R0ELF Summary of contents
Page 1
... Thick fi lm technology ■ Power rating of 0.25, 0 watt at 70 °C ■ Strong pulse performance ■ RoHS compliant* CRM0805/1206/2010 Chip Resistors Model Model CRM1206 CRM2010 0 -55 °C to +155 °C +155 °C 675 mV 954 mV 200 V 200 V >1000 megohms 0.047 - 0.91 ohm (E24 Values) 1 ...
Page 2
... Pulse Voltage Curve 10000 1000 CRM2010 CRM1206 100 CRM0805 Test Method: 1.2/50 μs Waveform with 12 Ohm Resistor, 5 Pulses at 12 Second Intervals <1> 255 °C 220 °C 190 ° 150 seconds 60 - 120 seconds ...
Page 3
... First two digits are signifi cant, third digit represents number of zeros to follow (example: 474 = 470K ohms) Packaging • 5000 pieces on 180 mm (7 inch) reel - CRM0805, CRM1206 4000 pieces on 180 mm (7 inch) reel - CRM2010 Termination • Tin-plated (RoHS Compliant) Packaging Dimensions (Conforms to EIA RS-481A) 4.0 ± ...