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BPR Datasheet, PDF (1/2 Pages) Bi technologies – 3W to 50W PLANAR SHOCK / VIBRATION PROOF HIGH POWER RESISTORS | |||
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3W to 50W PLANAR SHOCK / VIBRATION PROOF
HIGH POWER RESISTORS
Featuresâ¦â¦â¦â¦â¦â¦â¦â¦â¦â¦â¦â¦â¦â¦â¦â¦â¦â¦â¦â¦â¦â¦
 Non-Inductive planar package
 High power density.
 Thin package for high density PCB installation.
 Power dissipated above the board.
 RoHS compliant.
 Superior vibration durability
Applicationsâ¦â¦â¦â¦â¦â¦â¦â¦â¦â¦â¦â¦â¦â¦â¦â¦â¦â¦
 Ideal for extreme mechanically stressed environments.
 Power supply pre-load resistors.
 UPS systems
 Snubber and pulse handling circuits.
 Pulse generator load resistors.
 In-rush current protection
 Bleeder Resistors
.
â¦â¦â¦
Specification
Dimensions (inch / mm)
Dim. A ±.005
±0.13
.040±.005
1.02±0.13
Model
Dim A
Dim B
Dim C
Dim D
BPR 3
0.50
12.70
0.60
15.24
0.67
17.02
0.30
7.62
BPR 5
0.50
12.70
1.00
25.40
1.07
27.18
0.30
7.62
BPR 7
1.00
25.40
0.75
19.05
0.82
20.82
0.80
20.32
BPR 10 BPR 20 BPR 30
1.00 2.00 2.10
25.40 50.80 53.34
1.00 1.00 1.40
25.40 25.40 35.56
1.07 1.07 1.47
27.18 27.18 37.34
0.80 1.80 1.90
20.32 45.72 48.26
BPR 40 BPR 50
2.10 2.10
53.34 53.34
1.90 2.20
48.26 55.88
1.97 2.27
50.04 57.66
1.90 1.90
48.26 48.26
Dim. B ±.005
±0.13
BPR
Dim. C ±.020
±0.51
.020±.005
0.51±0.13
Dim. D ±.015
±0.38
.040±.005
1.02±0.13
.200±.002
5.08±0.05
.200±.020
5.08±0.51
Notes:
1. Contact factory for custom products, non-standard values and tolerances.
Materials
Lead: Tin Plated Phosphor Bronze
Substrate: 96% Alumina
Resistor: Ruthenium Oxide
Items
Power Rating
Operating Voltage Max
Resistance Range
TCR
Tolerance
Operation Temp. Range
Dielectric Withstanding Voltage
Mechanical Shock
Load Life
Humidity
Temperature Cycle
Soldering Heat (Max)
Solderability
Insulation Resistance
Vibration
Specification
3W, 5W, 7W, 10W, 20W, 30W, 40W & 50W,
300Vac, 500VDC
0.1⦠to 200 Kâ¦
100 ppm/°C
+/-5%, optional 1%, 2%
-55 - +155 °C
5KV minimum
âR +/- 0.25 %
âR +/- 2.0 %
âR +/- 0.5 %
âR +/- 0.5%
âR +/- 0.25 %
Min 95% coverage
Over 1000 Mâ¦
âR +/- 0.25 %
Conditions
@ ambient temp < 70°C
Extended resistance range available.
For -55 to +155°C and above 1â¦
100G.
70°C, 90 min. ON, 30 min.OFF, 1000 hours.
85°C, 85% RH, DC 0.1W, 1000 hours.
-55°C, 30 min.,+155°C 30min., 5cycles.
250+/-5°C, 10 seconds,
230+/-5°C, 5 seconds.
Between terminals and metal back plate.
20G, 10Hz to 2 KHz.
Specifications subject to change without notice
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