BPR Datasheet PDF - Bi technologies

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BPR
Bi technologies

Part Number BPR
Description 3W to 50W PLANAR SHOCK / VIBRATION PROOF HIGH POWER RESISTORS
Page 2 Pages


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3W to 50W PLANAR SHOCK / VIBRATION PROOF
HIGH POWER RESISTORS
Features…………………………………………………………
ƒ Non-Inductive planar package
ƒ High power density.
ƒ Thin package for high density PCB installation.
ƒ Power dissipated above the board.
ƒ RoHS compliant.
ƒ Superior vibration durability
Applications………………………………………………
ƒ Ideal for extreme mechanically stressed environments.
ƒ Power supply pre-load resistors.
ƒ UPS systems
www.DataƒSheeSt4nUu.cbobmer and pulse handling circuits.
ƒ Pulse generator load resistors.
ƒ In-rush current protection
ƒ Bleeder Resistors
.
………
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
0.1to 200 K
100 ppm/°C
+/-5%, optional 1%, 2%
-55 - +155 °C
5KV minimum
R +/- 0.25 %
R +/- 2.0 %
R +/- 0.5 %
R +/- 0.5%
R +/- 0.25 %
Min 95% coverage
Over 1000 M
R +/- 0.25 %
Conditions
@ ambient temp < 70°C
Extended resistance range available.
For -55 to +155°C and above 1
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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BPR 3W to 50W PLANAR HIGH POWER RESISTORS
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Derating Curve
% Power Rating
100
80
60     
40
20
70°C
0
+155°C
Resistor Temperature (°C)
Ordering Information
BPR
10 500 F
Model
Power Rating Code
3 : 3W,
5 : 5W
7 : 7W
10 : 10W
20 : 20W
30 : 30W
40 : 40W
50 : 50W
Resistance Code
50 : 500 First two digits significant, last digit: number of trailing zeros
Tolerance
J = 5% Tol
G = 2% Tol
F = 1% Tol
2



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