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VHP4Z Datasheet(PDF) 4 Page - Vishay Siliconix |
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VHP4Z Datasheet(HTML) 4 Page - Vishay Siliconix |
4 / 5 page Document Number: 63086 For technical questions, contact: foil@vishay.com www.vishay.com Revision: 02-Mar-05 4 Power Current Sense Resistors Z-Based Bulk Metal® Foil Technology Rapid ΔR Stabilization - Low WCR - Low TCR Vishay Foil Resistors SALES • AMERICAS: foilsales.usa@vishay.com • ASIA/JAPAN: foilsales.asia@vishay.com • UK/HOLLAND/SCANDINAVIA: foilsales.eunorth@vishay.com • GERMANY/CZECH REPUBLIC/AUSTRIA: foilsales.eucentral@vishay.com • FRANCE/SWITZERLAND/SOUTHERN EUROPE: foilsales.eusouth@vishay.com • ISRAEL: foilsales.israel@vishay.com NOTES: 1. Mounted on a cooled heat sink held at + 25°C 2. Heatsink - Aluminum (6" L x 4" W x 2" H x 0.04" THK) 3. Whichever is lower TABLE 1 - RESISTANCE VALUE VS TOLERANCE RESISTANCE RANGE ( Ω) STANDARD TOLERANCE (%) 10 to 500 ± 0.01 % 5 to < 10 ± 0.02 % 2 to < 5 ± 0.05 % 1 to < 2 ± 0.10 % 0.5 to < 1 ± 0.25 % 0.25 to < 0.5 ± 0.50 % TABLE 2 - SPECIFICATIONS TEST OR CONDITION PERFORMANCE Wattage Coefficient of Resistance (WCR) 4 ppm/Watt Maximum1) Temperature Coefficient of Resistance (TCR) (- 55 °C to + 125 °C, + 25 °C Reference) ≥ 1.0 Ω to 500 Ω, ± 2 ppm/°C Maximum 0R25 to < 1.0 Ω, ± 3 ppm/°C Maximum Thermal Resistance 6 °C/Watt1) Maximum Ambient Temperature Rated Power Zero Power + 25 °C + 150 °C Power Rating at + 25 °C VHP4Z VPR247Z VFP4Z 10 Watts or 3 Amps Maximum (Heat Sink)2), 3) 3 Watts or 3 Amps Maximum (Free Air)3) VCS331Z VCS332Z 10 Watts or 5 Amps Maximum (Heat Sink)2),3) 3 Watts or 5 Amps Maximum (Free Air)3) Load Life Stability ± 0.05 % Max ΔR, 10 W on heat sink at + 25 °C, 2000 hours ± 0.01 % Max ΔR, 3 W on heat sink at + 25 °C, 2000 hours ± 0.05 % Max ΔR, 3 W in free air at + 25 °C, 2000 hours Inductance 0.1 µH Maximum; 0.08 µH Typical Voltage Coefficient < 0.1 ppm/V Current Noise < 0.010 µV(RMS)/Volt of applied voltage (- 40 dB) TABLE 3 - ORDERING INFORMATION Please specify Vishay VHP4Z, VPR247Z, VFP4Z, VCS331Z, VCS332Z series resistors as follows: MODEL NO. RESISTANCE VALUE TOLERANCE VHP4Z RESISTANCE RANGE LETTER DESIGNATOR MULTIPLIER FACTOR 0.01 % 0.25 to < 500 Ω R x 1 Example: 100R01 = 100.01 Ω Resistance Value, in Ω, is expressed by a series of 6 characters, 5 of which represent significant digits while the 6th is a dual purpose letter that designates both the multiplier and the location of the comma or decimal. |
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