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Ohmite C300K3R1E Vitreous Enamel Power Resistor

The OHMITE C300K3R1E is a heavy-duty vitreous enamel power resistor specifically engineered for demanding applications requiring high current capacity at low resistance values. Its ribbed construction promotes rapid cooling, while the tinned lug terminals ensure secure connections. Ideal for motor starting, dynamic braking, and other similar applications, this resistor offers exceptional durability and performance. Available in fixed and adjustable configurations, and with options for low-cost Centohm or silicone coating, the C300K3R1E provides a versatile solution for a wide range of industrial needs. Special order units are available to accommodate up to 1500 watts.

Authorized Distributors
Source:DigiKey
Part No:C300K3R1E
Stock:0
Inv Date:06-01-2026
Price: Unit price: $59.22
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Part No:C300K3R1E
Stock:13
Inv Date:06-02-2026
Price: Unit price: $56.36
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Part No:C300K3R1E
Stock:16
Inv Date:06-01-2026
Price: Unit price: $58.05
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Part No:C300K3R1E
Stock:170
Inv Date:06-01-2026
Price: Unit price: $55.92
Buy/RFQ:
Part No:C300K3R1E
Stock:170
Inv Date:06-01-2026
Price: Unit price: $55.92
Buy/RFQ:

Ohmite C300K3R1E 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
  • RoHS Compliant: Yes
  • Adjustable Lug: Supplied with 300 watt models (Part No. 1974-A or 1974-B)

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Frequently Asked Questions

Where can I buy Ohmite C300K3R1E?

You can click on the BUY or RFQ button to purchase C300K3R1E from an authorized Ohmite distributor.

How do I troubleshoot issues or seek technical support for part C300K3R1E?

You can download the C300K3R1E datasheet or visit the Ohmite website for support.

Who is the manufacturer of C300K3R1E?

Ohmite

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