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Ohmite 40F3K5E 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. Available in both 1% and 5% tolerance options, they are ideal for commercial, industrial, and communications equipment. The resistors are durable, economical, and exceed industry requirements for quality. They are RoHS compliant and offer stable performance under high-temperature conditions.

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Source:DigiKey
Part No:40F3K5E
Stock:0
Inv Date:06-01-2026
Price: Unit price: $2.00492
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Part No:40F3K5E
Stock:94
Inv Date:06-02-2026
Price: Unit price: $5.04
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Part No:40F3K5E
Stock:0
Inv Date:06-01-2026
Price: Unit price: $4.72
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Part No:40F3K5E
Stock:0
Inv Date:06-01-2026
Price: Unit price: $2.13
Buy/RFQ:
Part No:40F3K5E
Stock:0
Inv Date:06-01-2026
Price: Unit price: $2.13
Buy/RFQ:

Ohmite 40F3K5E 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 40F3K5E?

You can click on the BUY or RFQ button to purchase 40F3K5E from an authorized Ohmite distributor.

How do I troubleshoot issues or seek technical support for part 40F3K5E?

You can download the 40F3K5E datasheet or visit the Ohmite website for support.

Who is the manufacturer of 40F3K5E?

Ohmite

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