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Ohmite B12JR50 Vitreous Enamel Power Resistor

Ohmite’s Brown Devil® 200 Series is a small, exceptionally durable power resistor. It boasts an all-welded construction and a rugged, flame-resistant conformal lead-free vitreous enamel coating, ensuring reliable performance under high temperatures. The wirewound design incorporates a hollow-core construction, facilitating rigid mounting with brackets or thru bolts. Available in various wattage and resistance values, these resistors are ideal for applications requiring high power handling and robust performance in demanding environments. Non-inductive versions and low-cost Centohm or Silicone coating options are also available.

Authorized Distributors
Part No:B12JR50
Stock:20
Inv Date:06-01-2026
Price: Unit price: $3.33
Buy/RFQ:
Part No:B12JR50
Stock:20
Inv Date:06-01-2026
Price: Unit price: $3.33
Buy/RFQ:

Ohmite B12JR50 Vitreous Enamel Power Resistor Specifications:

  • Series: 200 Series
  • Wattage: 12.0 W
  • Ohms: 0.08-51K
  • Lead Gauge: 18
  • Max Voltage: 625 V
  • Coating: Lead-free vitreous enamel
  • Core: Ceramic
  • Terminals: Tinned axial; RoHS solder composition is 96% Sn, 3.5% Ag, 0.5% Cu
  • Derating: Linearly from 100% @ +25°C to 0% @ +350°C
  • Tolerance: 1Ω+: ±5%; under 1Ω: ±10%
  • Power Rating: Based on 25°C free air rating
  • Overload: 10 times rated wattage for 5 seconds
  • Temperature Coefficient: 5Ω and under: ±400 ppm/°C; Above 5Ω: ±260 ppm/°C
  • Max Amps: To calculate, use the formula √P/R

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Frequently Asked Questions

Where can I buy Ohmite B12JR50?

You can click on the BUY or RFQ button to purchase B12JR50 from an authorized Ohmite distributor.

How do I troubleshoot issues or seek technical support for part B12JR50?

You can download the B12JR50 datasheet or visit the Ohmite website for support.

Who is the manufacturer of B12JR50?

Ohmite

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