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Ohmite L12J10R Vitreous Enamel Power Resistor

The Ohmite 270 Series Vitreous Enamel Power Resistors are designed for demanding applications requiring high wattage ratings, typically from 12 to 1000 watts. These resistors are constructed with durable, all-welded components and a lead-free vitreous enamel coating, ensuring long-term reliability in harsh environments. They feature lug terminals suitable for both soldering and sturdy bolt connections, and the hollow core allows for secure mounting using various bracket types. Available in a range of resistance values and wattage ratings, the 270 Series is a versatile solution for power control and dissipation in industrial applications.

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Part No:L12J10R
Stock:0
Inv Date:06-02-2026
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Part No:L12J10R
Stock:0
Inv Date:06-01-2026
Price: Unit price: $6.63
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Part No:L12J10R
Stock:0
Inv Date:06-01-2026
Price: Unit price: $2.45
Buy/RFQ:
Part No:L12J10R
Stock:0
Inv Date:06-01-2026
Price: Unit price: $2.45
Buy/RFQ:

Ohmite L12J10R Vitreous Enamel Power Resistor Specifications:

  • Series: 270
  • Wattage: 12
  • Ohms: 0.1-51K
  • Core Code: D
  • Voltage: 565
  • Std. Terminal: 57
  • Coating: Lead free vitreous enamel
  • Core: Tubular ceramic
  • Terminals: Solder coated radial lug
  • Derating: Linearly from 100% @ +25°C to 0% @ +350°C
  • Tolerance: ±5% (1Ω and over, J); ±10% (under 1Ω, K)
  • Power rating: Based on 25°C free air rating
  • Overload: 10 times rated wattage for 5 seconds
  • Temperature coefficient: 1 to 20Ω: ±400 ppm/°C; Above 20Ω: ±260 ppm/°C
  • Dielectric withstanding voltage: 1000 VAC (12-100 watt rating); 3000 VAC (175-225 watt rating)
  • Max. amps: use the formula √P/R
  • Power limitations for high resistance values: Derate the Power Rating by 25% to improve reliability
  • Mounting Hardware: see http://www.ohmite.com/techdata/lug-mounting.php

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Frequently Asked Questions

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You can download the L12J10R datasheet or visit the Ohmite website for support.

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Ohmite

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