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Ohmite 42J250E Silicone-Ceramic Conformal Resistor

Ohmite 40 Series resistors are economical conformal silicone-ceramic coated resistors offered with all-welded construction. They are characterized by their low temperature coefficients and resistance to thermal shock, making them ideal for a wide range of electrical and electronic applications. These resistors are available in both 1% and 5% tolerances and are durable and economical, exceeding industry requirements for quality. They are suitable for commercial, industrial, and communications equipment.

Authorized Distributors
Source:Newark
Part No:42J250E
Stock:182
Inv Date:06-01-2026
Price: Unit price: $3.28
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Source:DigiKey
Part No:42J250E
Stock:62
Inv Date:06-01-2026
Price: Unit price: $4.44
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Part No:42J250E
Stock:241
Inv Date:06-02-2026
Price: Unit price: $4.22
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Part No:42J250E
Stock:0
Inv Date:06-01-2026
Price: Unit price: $3.78
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Part No:42J250E
Stock:182
Inv Date:06-01-2026
Price: Unit price: $1.98
Buy/RFQ:
Part No:42J250E
Stock:182
Inv Date:06-01-2026
Price: Unit price: $1.98
Buy/RFQ:
Part No:42J250E
Stock:250
Inv Date:06-02-2026
Price: N/A
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Ohmite 42J250E Silicone-Ceramic Conformal Resistor Specifications:

  • Coating: Conformal siliconeceramic
  • Core: Ceramic
  • Terminals: Solder-coated copper clad axial (96% Sn, 3.5% Ag, 0.5% Cu)
  • Tolerance: ±5% (J type), ±1% (F type)
  • Power rating: Based on 25°C free air rating
  • Overload: Under 5 watts: 5 times rated wattage for 5 seconds; 5 watts and over: 10 times rated wattage for 5 seconds
  • Temperature coefficient: Under 1Ω: ±90 ppm/°C; 1Ω to 9.99Ω: ±50 ppm/°C; 10Ω and over: ±20 ppm/°C
  • Derating: Linearly from 100% @ +25°C to 0% @ +275°C

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Frequently Asked Questions

Where can I buy Ohmite 42J250E?

You can click on the BUY or RFQ button to purchase 42J250E from an authorized Ohmite distributor.

How do I troubleshoot issues or seek technical support for part 42J250E?

You can download the 42J250E datasheet or visit the Ohmite website for support.

Who is the manufacturer of 42J250E?

Ohmite

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