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