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Silicone / Cement Coated Wire Wound Resistors

Product Category : Resistors, Edgewound

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Product Profile of Silicone / Cement Coated Wire Wound Resistors

Hi-tech Resistors Pvt. Ltd. manufactures Silicone / Cement Coated Wire Wound Resistors. Hi-tech Resistors Pvt. Ltd. is an ISO 9001:2000 certified company. Silicone / Cement Coated Wire Wound Resistors has flame retardant coating compatible with Underwriters Laboratories standards 0.5 W to 20 W. This resistor has tolerances as close as 0.25%.

Silicone / Cement Coated Wire Wound Resistors have the following features:

R 01 to 120 K

TCR as low as +20ppm/°C available depending on application and resistance value

Special types available for pulse applications-IEC 61000-4-5

Product Specification of Silicone / Cement Coated Wire Wound Resistors

Damp Heat: Max. ΔR ± (3% + R05) - No mechanical damage (Steady State) (Test Method no. 103B of MIL 202F and test condition D)
Insulation Resistance: >1000 M (Dry), > 100M (Wet) (Test Method no. 302 of MIL 202F)
Load Life: Max. ΔR ± (3.5% + R05) (Test Method no. 108A of MIL 202F) (1000 hours intermittent @ 40°C)
Power Rating: 0.5 at 40°C (Ambient)
Resistance Range: Min. R01, Max. 2K0
Resistance Tolerance: ±10% [K]; ±5% [J]; ±3% [H]; ±2% [G]; ±1% [F]; ±0.5% [D], ±0.25% [C] (Test method no. 303 of MIL 202F)
Short Time Overload: Max. ΔR ± (2% + R05) (Test Method - 5 secs at 5 times rated power for 3 watts and smaller; 5 secs at 10 times rated power for 4 watts and larger)
Solderability: ΔR < ± [1% + R05] - Continuous and satisfactory [Test method no.208F of MIL 202F]
Temperature Co-efficient of Resistance: ± 120 ppm / °C (< R10); ± 80 ppm / °C (<1R0); ± 60 ppm/ °C (<100R); ± 90 ppm / °C or ± 30 ppm/ °C (>100R) depending on wire selected. (Test Method 304 of MIL 202F)
Type: H-0.5, D-0.5
Typical Weight: 0.6 Per PC