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Ohmite C300K20RE Vitreous Enamel Power Resistor

The OHMITE C300K20RE is a heavy-duty vitreous enamel power resistor ideal for applications requiring high currents at low resistance values. Its ribbed construction aids in rapid cooling, while the tinned lug terminals provide secure connections. Designed for equipment requiring low resistance loads and high current capacity, this resistor is particularly well-suited for motor starting, dynamic braking, and similar applications involving frequent start-stop cycles. Special order units are available to accommodate up to 1500 watts.

Authorized Distributors
Source:DigiKey
Part No:C300K20RE
Stock:18
Inv Date:06-01-2026
Price: Unit price: $55.19
Buy/RFQ:
Part No:C300K20RE
Stock:0
Inv Date:06-02-2026
Price: Unit price: $50.09
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Part No:C300K20RE
Stock:241
Inv Date:06-01-2026
Price: Unit price: $51.45
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Part No:C300K20RE
Stock:118
Inv Date:06-01-2026
Price: Unit price: $49.35
Buy/RFQ:
Part No:C300K20RE
Stock:118
Inv Date:06-01-2026
Price: Unit price: $49.35
Buy/RFQ:
Part No:C300K20RE
Stock:6
Inv Date:06-02-2026
Price: N/A
Buy/RFQ:

Ohmite C300K20RE Vitreous Enamel Power Resistor Specifications:

  • Core: Tubular Ceramic
  • Terminals: Tinned lug with hole
  • Resistance: Max. 63Ω (300W version)
  • Tolerance: ±10% (K)
  • Power Rating: Based on 25°C free air rating
  • Overload: 10 times rated wattage for 5 seconds
  • Temperature Coefficient: ±400 ppm/°C
  • Coating: Lead free vitreous enamel (except for low resistance models and very large models)
  • Dielectric Withstanding Voltage: 1000 VAC (terminal to mounting bracket)
  • Max Amps Calculation: √P/R
  • Adjustable Lug: Supplied with adjustable 300 watt models
  • RoHS Compliant: Yes (add “E” suffix to part number)

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Frequently Asked Questions

Where can I buy Ohmite C300K20RE?

You can click on the BUY or RFQ button to purchase C300K20RE from an authorized Ohmite distributor.

How do I troubleshoot issues or seek technical support for part C300K20RE?

You can download the C300K20RE datasheet or visit the Ohmite website for support.

Who is the manufacturer of C300K20RE?

Ohmite

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