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Ohmite OX272KE Ceramic Composition Resistor

OHMITE's OX/OY Series ceramic composition resistors are engineered for demanding applications requiring high surge handling capabilities and peak power dissipation. These resistors effectively replace traditional carbon composition resistors, offering improved performance and reliability in high-voltage power supplies, R-C snubber circuits, and inrush limiters. The OX/OY Series resistors are characterized by their enhanced energy density and 10% tolerance, making them suitable for a wide range of industrial and electronic applications. They are available in various ohmic values and wattage ratings, packaged in bulk or tape and reel configurations.

Authorized Distributors
Source:Newark
Part No:OX272KE
Stock:1
Inv Date:06-01-2026
Price: Unit price: $0.28
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Source:DigiKey
Part No:OX272KE
Stock:3100
Inv Date:06-01-2026
Price: Unit price: $0.36
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Part No:OX272KE
Stock:184
Inv Date:06-02-2026
Price: Unit price: $3.11
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Part No:OX272KE
Stock:0
Inv Date:06-01-2026
Price: Unit price: $1.92
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Part No:OX272KE
Stock:4550
Inv Date:06-01-2026
Price: Unit price: $1.56
Buy/RFQ:
Part No:OX272KE
Stock:4550
Inv Date:06-01-2026
Price: Unit price: $1.56
Buy/RFQ:
Part No:OX272KE
Stock:500
Inv Date:06-02-2026
Price: N/A
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Ohmite OX272KE Ceramic Composition Resistor Specifications:

  • Watts: 1/2
  • Resistance range: 3.3Ω-100K
  • Joules max: 50
  • Max working volts: 300
  • Terminals: Pb-free solder-coated axial
  • Coating: Silicone ceramic
  • Derating: Linear from 100% @ +70°C to 0% @ +200°C
  • Operating Temp: -40°C to +220°C
  • Tolerance: ±10%
  • Power Rating: Based on 70°C free air rating
  • Temperature Coefficient: -1300 ±300ppm/°C
  • Life Test: MIL-STD-202, Method 108: ±5%
  • Short Time Overload: 2x rated V, 5 sec ON @ 70°C: ±(2% +0.05Ω)
  • Resistance to Pulse: MIL-STD-202, Method 107: ±(2% ±0.05Ω)
  • Moisture Resistance: 1000 hrs @ 40°C, 90 - 95% RH: ±5%
  • Dielectric Strength: 500V
  • Max Overload Voltage: 600V
  • Max Pulse Voltage: 14KV
  • Pulse Tolerance: 1240V @ 52µF, 40J/ 35 sec.

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Frequently Asked Questions

Where can I buy Ohmite OX272KE?

You can click on the BUY or RFQ button to purchase OX272KE from an authorized Ohmite distributor.

How do I troubleshoot issues or seek technical support for part OX272KE?

You can download the OX272KE datasheet or visit the Ohmite website for support.

Who is the manufacturer of OX272KE?

Ohmite

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