Product description:
 Product Description
I. characteristics of

Excellent heat resistance, low temperature coefficient
The low noise, load power, high insulation, incombustible
Low inductance
II Size Chart


 
Type size (mm)
 Resistance range
 
Power
 A ± 1.0
 B ± 1.0
 C ± 0.5
 H ± 1.0
 h1 ± 1.0
 h2 ± 1.0
 P ± 1.0
 E12. ± 5% (J)
 E12. ± 10% (K)
 
BPR2W 8.5
 13.0
 5.0
 13.0
 8.0
 4.0
 10
 0.005Ω ~ 0.68Ω
 0.005Ω ~ 0.68Ω
 
BPR3W 13.0
 14.0
 5.0
 13.0
 8.0
 4.0
 10
 0.005Ω ~ 0.68Ω
 0.005Ω ~ 0.68Ω
 
BPR5W 18.0
 14.0
 5.0
 13.0
 8.0
 4.0
 10
 0.005Ω ~ 1.0Ω
 10.005Ω ~ 1.0Ω
 
BPR2W 8.5
 26
 5.0
 13.0
 8.0
 4.0
 20
 0.005Ω ~ 1.0Ω
 0.005Ω ~ 1.0Ω
 
BPR3W 13.0
 26
 5.0
 13.0
 8.0
 4.0
 20
 0.01Ω ~ 6.6Ω
 0.01Ω ~ 6.6Ω
 
BPR5W 18.0
 26
 5.0
 13.0
 8.0
 4.0
 20
 0.01Ω ~ 6.6Ω
 0.01Ω ~ 6.6Ω
 
BPR10W 17.0
 26
 5.0
 13.0
 8.0
 4.0
 20
 0.01Ω ~ 6.6Ω
 0.01Ω ~ 6.6Ω
 
BPR2W +2 W 8.5
 26
 5.0
 13.0
 8.0
 4.0
 10
 0.01Ω ~ 6.6Ω
 0.01Ω ~ 6.6Ω
 
BPR3W +3 W 13.0
 26
 5.0
 13.0
 8.0
 4.0
 10
 0.01Ω ~ 6.6Ω
 0.01Ω ~ 6.6Ω
 
BPR5W +5 W 17.0
 26
 5.0
 13.0
 8.0
 4.0
 10
 0.01Ω ~ 6.6Ω
 0.01Ω ~ 6.6Ω
 
BPR7W +7 W 20.0
 26
 5.0
 13.0
 8.0
 4.0
 10
 0.01Ω ~ 6.6Ω
 0.01Ω ~ 6.6Ω
 
 
 
 

III. Down load curve and surface temperature curve

       




 
 
 
 IV electrical characteristics

Project
 Performance requirements
 Test methods
 
Temperature coefficient
 ± 250ppm / ℃
 JIS5202-5.2
-55 ° C to +155 ° C
T.C.R = (R2-R1) × 106 ;/ R1 (T2-T1) (PPM / ℃)
R1: at room temperature (T1) impedance value;
R2: room temperature to +100 ° C (T2) impedance
 
Short time overload ΔR ≤ ± (2% of R0 +0.05 Ω)
 
 JIS5202-5.5
1W-3W: 5 times rated voltage for 5 seconds
5W-20W: 10 times rated voltage for 5 seconds
 
Withstand Voltage
 The package can not be burning, insulation can not destroy
 JIS5202-5.5
Resistance at both ends of the wire placed in the metal V-shaped groove in accordance with the 500V of voltage regulations pressurized 60 seconds
 
DC resistance value of the J ± 5%, K ± 10%
 At 25 ℃
 
The insulation resistance value 1000MΩ M plus 60 seconds to DC 500V test body in the V-groove on the wire surface coating India
Thermal shock ΔR ≤ ± (2% R0 +0.05 Ω) JIS5202-6.7
Five consecutive times in accordance with the provisions of the temperature
Steps:
A temperature -55 ° C for 30 seconds
Temperature 25 ° C for 5 seconds
(3) temperature of 85 ° C for 30 seconds
(4) temperature of 25 ° C for 5 seconds
 
Moisture-Proof Load Life
 ΔR ≤ ± (3% of R0 +0.05 Ω)
 JIS5202-7.9
40 ± 2 ° C, 90 ~ 95% RH
Increase in the humidity box rated DC voltage test of 1.5 hours, stop 0.5 hours to 1000 hours of continuous testing
 
Temperature life
 ΔR ≤ ± (3% of R0 +0.1 Ω)
 JIS5202-7.10
70 ° C in the incubator, the rated voltage to test 1.5 hours, stop 0.5 hours to 1000 hours of continuous testing