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VHP-3T500R00FB Datasheet(PDF) 4 Page - Vishay Siliconix |
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VHP-3T500R00FB Datasheet(HTML) 4 Page - Vishay Siliconix |
4 / 6 page VHP-3, VHP-4, VPR247 Vishay Foil Resistors Bulk Metal® Foil Technology Hermetically Sealed Power and Current Sensing Resistor with TCR of 2 ppm/°C and Power up to 10 Watts www.vishay.com For any questions, contact: foil@vishay.com Document Number: 63005 4 Revision: 31-Oct-07 Notes 1. Whichever is lower. 2. Heat sink chassis dimensions and requirements per MIL-PRF-39009/1: 3. Inductance (L) due mainly to the leads. 4. The resolution limit of existing test equipment (within the measurement capability of the equipment, or “essentially zero”). 5. Not to exceed power rating of resistor. 6. Vishay test data as compared to MIL-PRF-39009 is shown for illustration purposes, Vishay test conditions that deviate from the Mil test method are noted within parentheses. 7. Maximum ambient temperature rating is + 150 °C. 8. Maximum overload rating is 15 W (5 x rated power in free air; 1.5 x rated power on heatsink), with applied voltage not to exceed 750 V. 9. ΔR’s are as shown plus 0.001 Ω to allow for measurement errors at low resistance values. TABLE 4 - ENVIRONMENTAL PERFORMANCE METHOD PARAGRAPH6) MIL-PRF-39009 ΔR LIMITS VHP-3, VHP-4 AND VPR247 TYPICAL ΔR TEST DATA9) Test Group I Conditioning 4.8.2 ± 0.2 % + 0.01 Ω ± 0.03 % Test Group II Resistance temperature 4.8.4 < 1 Ω See tables 1 and 2, page 1 Characteristic ± 100 ppm/°C; (- 55 °C to + 125 °C) 1 Ω to 19.6 Ω: ± 50 ppm/°C; ≥ 20 Ω: ± 30 ppm/°C Low temperature storage 4.8.16 ± 0.3 % + 0.01 Ω ± 0.005 % DWV (300 V at atmospheric pressure) 4.8.5 ± 0.2 % + 0.01 Ω ± 0.005 % Insulation resistance 4.8.6 104 M Ω > 104 M Ω Low temperature operation 4.8.7 ± 0.3 % + 0.01 Ω ± 0.01 % Short time overload8) (5 s at 15 W) 4.8.8 ± 0.3 % + 0.01 Ω ± 0.03 % Moisture resistance 4.8.9 ± 0.5 % + 0.01 Ω ± 0.02 % Terminal strength 4.8.10 ± 0.2 % + 0.01 Ω ± 0.005 % Test Group III Shock - specified pulse (Post-test DWV at 300 V) 4.8.11 ± 0.2 % + 0.01 Ω ± 0.005 % Vibration - high frequency (Post-test DWV at 300 V) 4.8.12 ± 0.2 % + 0.01 Ω ± 0.005 % Test Group IV Life test 10 W at 25 °C for 2000 h 4.8.13 ± 1.0 % + 0.01 Ω ± 0.01 % 80 % power at + 70 °C for 2000 h - - ± 0.04 % Test Group V High temperature exposure 2000 h at + 150 °C 4.8.14 ± 1.0 % + 0.05 Ω ± 0.05 % INCHES MM L 6.00 152.4 W 4.00 101.6 H 2.00 50.8 T 0.04 1.0 |
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