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Ohmite C300KR20 Vitreous Enamel Power Resistor
Ohmite's 280 Series Corrib[®] fixed and adjustable vitreous enamel power resistors are engineered for demanding applications involving high currents at very low resistance values. These resistors are designed to withstand frequent start-stop cycles and are suitable for motor starting, dynamic braking, and other similar applications. Manufactured with corrugated resistive wire and a protective vitreous enamel coating, Corrib resistors offer improved durability and efficient cooling. RoHS compliant versions are available, making them suitable for a wide range of industrial and commercial uses.
Ohmite C300KR20 Vitreous Enamel Power Resistor Specifications:
- Coating: Lead-free vitreous enamel (except for low resistance models and large models >750W, which are silicone ceramic)
- Core: Tubular Ceramic
- Terminals: Tinned lug with hole (RoHS solder composition: 96% Sn, 3.5% Ag, 0.5% Cu)
- Adjustable Lug: Supplied with adjustable 300W models (Part No. 1974-A or 1974-B)
- Resistance: Max. 63Ω for 300W version
- Tolerance: ±10% (K)
- Power Rating: Based on 25°C free air rating
- Derating: Linearly from 100% @ +25°C to 0% @ +400°C
- Overload: 10 times rated wattage for 5 seconds
- Temperature Coefficient: ±400 ppm/°C
- Dielectric Withstanding Voltage: 1000 VAC (terminal to mounting bracket)
- Max Amps Calculation: √P/R
- Mounting Brackets: Includes two each bracket, bolt, washers (centering, mica, lock) and nut. Single unit mounting contains one each bolt and nut; two each all washers.
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Frequently Asked Questions
Where can I buy Ohmite C300KR20?
You can click on the BUY or RFQ button to purchase C300KR20 from an authorized Ohmite distributor.
How do I troubleshoot issues or seek technical support for part C300KR20?
You can download the C300KR20 datasheet or visit the Ohmite website for support.
Who is the manufacturer of C300KR20?
Ohmite