Document Number: 30119 For technical questions, contact: ww2aresistors@vishay.com www.vishay.com
Revision: 12-Jan-06 51
CP0002...13
Wirewound Resistors,
Commercial Power, Low Value Vishay Dale
DIMENSIONS [in millimeters]
MECHANICAL SPECIFICATIONS
Terminal Strength: 10 pounds minimum
Construction: A completely welded assembly using a
premium quality copper-nickel element and tinned copper
terminals.
Packaging: Layered bulk packaging, 2000 pc/bag sealed
DERATING
0.112
[2.85]
Max.
0.050 ± 0.010
[1.27 ± 0.254]
0.125 ± 0.030
[3.18 ± 0.762]
0.040 ± 0.002
[1.02 ± 0.051]
0.450 ± 0.020
[11.43 ± 0.508]
0.312 [7.95]
Ty p .
0.070 [1.78]
Ty p .
Derating
- 65 - 25 25 75 125 175 225 275
Ambient Temperature in °C
120
100
80
60
40
20
0
70
Rated Power in %
PERFORMANCE
TEST CONDITIONS OF TEST TEST LIMITS
Thermal Shock - 55 °C to + 150 °C, 1000 cycles, 15 min at each extreme ± (0.5 % + 0.0005 Ω) ΔR
Short Time Overload 5 x rated power for 5 s ± (0.5 % + 0.0005 Ω) ΔR
Low Temperature Operation - 65 °C for 24 h ± (0.5 % + 0.0005 Ω) ΔR
High Temperature Exposure 1000 h at + 170 °C ± (1.0 % + 0.0005 Ω) ΔR
Bias Humidity + 85 °C, 85 % RH, 10 % Bias, 1000 h ± (0.5 % + 0.0005 Ω) ΔR
Mechanical Shock 100 g’s for 6 ms, 5 pulses ± (0.5 % + 0.0005 Ω) ΔR
Vibration Frequency varied 10 to 2000 Hz in 1 min, 3 directions, 12 h ± (0.5 % + 0.0005 Ω) ΔR
Load Life 1000 h at rated power, + 70 °C, 1.5 h “ON”, 0.5 h “OFF” ± (1.0 % + 0.0005 Ω) ΔR
Resistance to Solder Heat + 260 °C solder, 10 - 12 s dwell, 25 mm/s emergence ± (0.5 % + 0.0005 Ω) ΔR
Moisture Resistance MIL-STD-202, Method 106, 0 % power, 7a and 7b not required ± (0.5 % + 0.0005 Ω) ΔR