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Ohmite D12K250E Adjustable Power Resistor

Ohmite’s 210 Type adjustable resistors are designed for applications requiring variable resistance values. These wirewound resistors incorporate an adjustable lug, making them suitable for adjusting circuits, achieving specific resistance values, and setting equipment to meet various line voltages. The hollow core allows for secure fastening, and the lead-free vitreous enamel coating and all-welded construction ensure durability. They are ideal for applications needing precise resistance adjustments and robust performance.

Authorized Distributors
Source:DigiKey
Part No:D12K250E
Stock:18
Inv Date:06-02-2026
Price: Unit price: $33.61
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Part No:D12K250E
Stock:8
Inv Date:06-02-2026
Price: Unit price: $31.92
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Part No:D12K250E
Stock:0
Inv Date:06-02-2026
Price: Unit price: $29.15
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Part No:D12K250E
Stock:20
Inv Date:06-02-2026
Price: Unit price: $21.46
Buy/RFQ:
Part No:D12K250E
Stock:20
Inv Date:06-02-2026
Price: Unit price: $21.46
Buy/RFQ:

Ohmite D12K250E Adjustable Power Resistor Specifications:

  • Series: 210
  • Wattage: 12-250 Watts
  • Ohms: 1.0-25K Ohms
  • Core Code: D, K, M, P, S
  • Voltage: 565-8900 Volts
  • Standard Terminal: 57, 40, 45, 46
  • Adjustability: 10% to 90% of full value
  • Coating: Lead free vitreous enamel, Silicone Ceramic (for models 500W and up)
  • Core: Tubular ceramic
  • Terminals: Solder coated radial lug (RoHS compliant)
  • Adjustable Lug: Nickel plated steel
  • Tolerance: ±10% (K)
  • Power Rating Derating: Linearly from 100% @ +25°C to 0% @ +350°C
  • Overload: 10 times rated wattage for 5 seconds
  • Temperature Coefficient: ±260 ppm/°C
  • Dielectric Withstanding Voltage: 1000 VAC (12-100W), 3000 VAC (175-225W)
  • Max Amps: √P/R

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Frequently Asked Questions

Where can I buy Ohmite D12K250E?

You can click on the BUY or RFQ button to purchase D12K250E from an authorized Ohmite distributor.

How do I troubleshoot issues or seek technical support for part D12K250E?

You can download the D12K250E datasheet or visit the Ohmite website for support.

Who is the manufacturer of D12K250E?

Ohmite

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