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:
- 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
