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Ohmite 40FR20E Silicone-Ceramic Conformal Resistor

Ohmite 40 Series resistors are economical conformal silicone-ceramic coated resistors designed for a wide range of electrical and electronic applications. These all-welded units offer low temperature coefficients and excellent resistance to thermal shock. They are ideal for commercial, industrial, and communications equipment, and are available with both 1% and 5% tolerance options. The resistors are RoHS compliant and feature an all-welded construction for enhanced durability.

Authorized Distributors
Source:Newark
Part No:40FR20E
Stock:131
Inv Date:06-01-2026
Price: Unit price: $6
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Source:DigiKey
Part No:40FR20E
Stock:0
Inv Date:06-01-2026
Price: Unit price: $2.79564
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Part No:40FR20E
Stock:100
Inv Date:06-02-2026
Price: Unit price: $6.56
Buy/RFQ:
Part No:40FR20E
Stock:0
Inv Date:06-01-2026
Price: Unit price: $5.72
Buy/RFQ:
Part No:40FR20E
Stock:350
Inv Date:06-01-2026
Price: Unit price: $2.65
Buy/RFQ:
Part No:40FR20E
Stock:350
Inv Date:06-01-2026
Price: Unit price: $2.65
Buy/RFQ:

Ohmite 40FR20E Silicone-Ceramic Conformal Resistor Specifications:

  • Material 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 40FR20E?

You can click on the BUY or RFQ button to purchase 40FR20E from an authorized Ohmite distributor.

How do I troubleshoot issues or seek technical support for part 40FR20E?

You can download the 40FR20E datasheet or visit the Ohmite website for support.

Who is the manufacturer of 40FR20E?

Ohmite

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