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Bourns WS5M1001J High Surge Wirewound Resistor

The Bourns WS5M1001J is a high surge withstand wirewound resistor engineered for robust performance in various industrial applications. Featuring a power rating up to 5W and a low thermal resistant ceramic core, this resistor provides reliable operation under challenging conditions. Its surge withstand capability, meeting IEC 61000-4-5 1.2/50 µs standards, makes it ideal for protecting sensitive circuits. The resistor's coating material meets UL 94V-0 requirements, ensuring fire safety. Common applications include smart meters, renewable energy systems, industrial equipment, power supplies/chargers, lighting, instruments/gauges, and white goods.

Authorized Distributors
Source:Newark
Part No:WS5M1001J
Stock:1900
Inv Date:05-28-2026
Price: Unit price: $0.453
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Source:DigiKey
Part No:WS5M1001J
Stock:182
Inv Date:05-28-2026
Price: Unit price: $0.59
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Part No:WS5M1001J
Stock:4188
Inv Date:05-29-2026
Price: Unit price: $0.53
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Part No:WS5M1001J
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.37
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Part No:WS5M1001J
Stock:17
Inv Date:05-28-2026
Price: Unit price: $0.205
Buy/RFQ:
Part No:WS5M1001J
Stock:17
Inv Date:05-28-2026
Price: Unit price: $0.205
Buy/RFQ:

Bourns WS5M1001J High Surge Wirewound Resistor Specifications:

  • Resistance Range: See Popular Resistance Values Table
  • Power Rating @ 70 °C: 1W (WS1M, WS1A), 2W (WS2M, WS2A), 3W (WS3M, WS3A), 5W (WS5M, WS5A), 7W (WS7M, WS7A), 8W (WS8M)
  • Tolerance: 5%
  • Operating Temperature: -55 °C to +200 °C
  • Temperature Coefficient: ±200 ppm/°C
  • Maximum Voltage: √P*R
  • Surge Withstand: IEC 61000-4-5 1.2/50 µs
  • Coating Material: Meets UL 94V-0 requirements
  • Resistance to Solder Heat: 260 ±5 °C for 10 ± 1 seconds
  • Dielectric Strength: >500 Vrms for >1 minute
  • Insulation Resistance: >109 Ω
  • Load Life Humidity: Rated continuous voltage for 1000 hours @ 40 °C
  • Load Life: Rated continuous voltage for 1000 hours @ 70 °C
  • Short Time Overload: 10 times rated power for 5 seconds
  • Solderability: 245 ±3 °C for 2.5 ±0.5 seconds

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Frequently Asked Questions

Where can I buy Bourns WS5M1001J?

You can click on the BUY or RFQ button to purchase WS5M1001J from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part WS5M1001J?

You can download the WS5M1001J datasheet or visit the Bourns website for support.

Who is the manufacturer of WS5M1001J?

Bourns

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