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Ohmite C300KR12E Vitreous Enamel Power Resistor
The OHMITE C300KR12E is a heavy-duty vitreous enamel power resistor within the 280 Series. Constructed with a tubular ceramic core and tinned lug terminals, it's designed for demanding applications requiring low resistance loads and high current capacity, such as motor starting and dynamic braking. The ribbed construction promotes rapid cooling, and the vitreous enamel coating ensures durability. Available in fixed and adjustable versions, this resistor is RoHS compliant and suitable for a wide range of industrial uses. Special order units are available to accommodate up to 1500 watts.
Ohmite C300KR12E Vitreous Enamel Power Resistor Specifications:
- Core: Tubular Ceramic
- Terminals: Tinned lug with hole
- RoHS Solder Composition: 96% Sn, 3.5% Ag, 0.5% Cu
- Resistance: Max. 63Ω (for 300W version)
- Tolerance: ±10% (K)
- Temperature Coefficient: ±400 ppm/°C
- Coating: Lead free vitreous enamel (except for low resistance 35W models and large models ≥750W, which are Silicone Ceramic)
- Dielectric Withstanding Voltage: 1000 VAC (terminal to mounting bracket)
- Overload: 10 times rated wattage for 5 seconds
- Derating: Linearly from 100% @ +25°C to 0% @ +400°C
- Power Rating: Based on 25°C free air rating
- Adjustable Lug: Supplied with adjustable 300 watt models (Part No. 1974-A or 1974-B)
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Frequently Asked Questions
Where can I buy Ohmite C300KR12E?
You can click on the BUY or RFQ button to purchase C300KR12E from an authorized Ohmite distributor.
How do I troubleshoot issues or seek technical support for part C300KR12E?
You can download the C300KR12E datasheet or visit the Ohmite website for support.
Who is the manufacturer of C300KR12E?
Ohmite