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WURTH ELEKTRONIK 820574001 Disk Varistor

The WE-VD Disk Varistor is a high-reliability electronic component designed for voltage suppression and transient voltage protection in electronic circuits. Certified with cURus, VDE approval, and RoHS compliance, it withstands operational voltages up to 40V AC and 56V DC, with a clamping voltage of 135V at 2.5A. Featuring a maximum operating temperature of +85°C, it offers efficient energy absorption, peak pulse current handling up to 250A, and a nominal discharge current of 0.15kA. Ideal for surge protection, this varistor is suitable for high-reliability, safety-critical applications, ensuring durability and performance in various electronic device environments.

Authorized Distributors
Source:Newark
Part No:820574001
Stock:196
Inv Date:06-12-2026
Price: Unit price: $0.822
Buy/RFQ:
Source:DigiKey
Part No:820574001
Stock:2195
Inv Date:06-12-2026
Price: Unit price: $0.76
Buy/RFQ:
Part No:820574001
Stock:1950
Inv Date:06-13-2026
Price: Unit price: $0.75
Buy/RFQ:
Part No:820574001
Stock:0
Inv Date:06-12-2026
Price: Unit price: $0.59
Buy/RFQ:

WURTH ELEKTRONIK 820574001 Disk Varistor Specifications:

  • Rated Voltage: 40V AC, 56V DC
  • Clamping Voltage: 135V at 2.5A (8/20 μs pulse)
  • Peak Pulse Current: 250A (8/20 μs)
  • Nominal Discharge Current: 0.15kA
  • Energy Absorption: 43J (10/1000 μs)
  • Operating Temperature Range: -40°C to +85°C
  • Maximum Operating Temperature: +85°C
  • Storage Conditions: < 40°C, < 75% RH
  • Compliance: RoHS, VDE, UL1449
  • Certification: cURus, IEC 61249-2-21, JEDEC JS7098
  • Dimensions: Approximate, based on model size, generally small footprint suitable for PCB mounting
  • Material: Ceramic, metal oxide varistor
  • Pulse Duration: 100 ps to 10,000 ps handling capability
  • Wave Soldering Profile: Class 1 for lead-free and Sn-Pb assembly
  • Protection Class: Surge and transient voltage suppression device

Buy the Wurth Series Surge Suppressor: 820574001

Secure your electronic systems with the Disk Varistor from Wurth, model 820574001. This high-quality surge protector ensures safe operation by absorbing voltage spikes, providing excellent energy dissipation, and complying with industry standards including RoHS, VDE, and UL. Its operating temperature range from -40°C to +85°C makes it suitable for a wide variety of demanding environments. Easily order online and enhance the durability and safety of your electronic projects with this reliable, certified varistor designed for surge and transient voltage suppression.

Order your Wurth Series surge protection device 820574001 today and ensure reliable transient voltage suppression in your critical electronics.

Frequently Asked Questions

Where can I buy WURTH ELEKTRONIK 820574001?

You can click on the BUY or RFQ button to purchase 820574001 from an authorized WURTH ELEKTRONIK distributor.

How do I troubleshoot issues or seek technical support for part 820574001?

You can download the 820574001 datasheet or visit the WURTH ELEKTRONIK website for support.

Who is the manufacturer of 820574001?

WURTH ELEKTRONIK

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