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Ohmite E300K10RE Vitreous Enamel Power Resistor

The OHMITE E300K10RE is a heavy-duty vitreous enamel power resistor ideal for demanding applications such as motor starting, dynamic braking, and other high-current, low-resistance scenarios. Constructed with a tubular ceramic core and tinned lug terminals, this resistor provides excellent thermal stability and durability. Its ribbed construction aids in rapid cooling, while the vitreous enamel coating ensures long-term reliability. Available in adjustable versions, the E300K10RE is a versatile solution for industrial power control and regulation.

Authorized Distributors
Source:DigiKey
Part No:E300K10RE
Stock:1
Inv Date:06-01-2026
Price: Unit price: $77.95
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Part No:E300K10RE
Stock:20
Inv Date:06-02-2026
Price: Unit price: $72.97
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Part No:E300K10RE
Stock:76
Inv Date:06-01-2026
Price: Unit price: $74.43
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Part No:E300K10RE
Stock:18
Inv Date:06-01-2026
Price: Unit price: $72.73
Buy/RFQ:
Part No:E300K10RE
Stock:18
Inv Date:06-01-2026
Price: Unit price: $72.73
Buy/RFQ:
Part No:E300K10RE
Stock:5
Inv Date:06-02-2026
Price: N/A
Buy/RFQ:

Ohmite E300K10RE 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 (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
  • 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)
  • Max Amps Calculation: √P/R

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Frequently Asked Questions

Where can I buy Ohmite E300K10RE?

You can click on the BUY or RFQ button to purchase E300K10RE from an authorized Ohmite distributor.

How do I troubleshoot issues or seek technical support for part E300K10RE?

You can download the E300K10RE datasheet or visit the Ohmite website for support.

Who is the manufacturer of E300K10RE?

Ohmite

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