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Ohmite B20KR50E Vitreous Enamel Power Resistor

Ohmite’s Brown Devil® B20KR50E is a small, exceptionally durable power resistor known for its ruggedness and reliability. Its all-welded construction and flame-resistant, conformal, lead-free vitreous enamel coating ensure successful performance under demanding conditions. The hollow-core design allows for rigid mounting, making it suitable for a wide range of industrial applications where high power dissipation and durability are critical. Available in various resistance values and wattage ratings, this resistor is a dependable choice for power control and circuit protection.

Authorized Distributors
Source:Newark
Part No:B20KR50E
Stock:12
Inv Date:06-01-2026
Price: Unit price: $2.12
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Source:DigiKey
Part No:B20KR50E
Stock:57
Inv Date:06-01-2026
Price: Unit price: $18.12
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Part No:B20KR50E
Stock:63
Inv Date:06-02-2026
Price: Unit price: $22.38
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Part No:B20KR50E
Stock:0
Inv Date:06-01-2026
Price: Unit price: $17.41
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Part No:B20KR50E
Stock:36
Inv Date:06-01-2026
Price: Unit price: $7.57
Buy/RFQ:
Part No:B20KR50E
Stock:36
Inv Date:06-01-2026
Price: Unit price: $7.57
Buy/RFQ:

Ohmite B20KR50E Vitreous Enamel Power Resistor Specifications:

  • Series: 200 Series
  • Wattage: 20.0
  • Ohms: 0.1-100K
  • Lead Gauge: 18
  • Max Voltage: 750
  • 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 B20KR50E?

You can click on the BUY or RFQ button to purchase B20KR50E from an authorized Ohmite distributor.

How do I troubleshoot issues or seek technical support for part B20KR50E?

You can download the B20KR50E datasheet or visit the Ohmite website for support.

Who is the manufacturer of B20KR50E?

Ohmite

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