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820542511 820542511 is a 390V typical varistor from Würth Elektronik in a Disc 14mm through-hole package. It handles 4.5kA surge current and 120J energy absorption.
Mfr Part #:

820542511

Available from 1 distributors
Mfr Name: Würth Elektronik
Würth Elektronik
820542511 is a 390V typical varistor from Würth Elektronik in a Disc 14mm through-hole package. It handles 4.5kA surge current and 120J energy absorption.
Total Stock: 26,652 pcs
$ Price Range: $0.43 - $0.83

820542511 Available from 1 distributor

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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26,652 pcs
26652 pcs On Request 1 On Request On Request On Request On Request On Request

820542511 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Capacitance @ Frequency
Current
Energy
Maximum AC Volts
Maximum DC Volts
Mounting Type
Number of Circuits
Operating Temperature
Tape & Reel
Varistor Voltage (Max)
Varistor Voltage (Min)
Varistor Voltage (Typ)
varistor_voltage (Minimum/Typical/Maximum)

820542511 Description

Short technical summary and product information.

The 820542511 is a standard WE-VD series metal oxide varistor (MOV) from Würth Elektronik, housed in a Disc 14mm through-hole package. It provides overvoltage protection with a typical varistor voltage of 390V and a maximum AC voltage rating of 250V. The device can handle surge currents up to 4.5kA and absorb 120J of energy, making it suitable for transient voltage suppression in power supply and industrial applications.

 

This varistor operates over a temperature range of -40°C to 125°C and has a typical capacitance of 460pF at 1kHz. The through-hole mounting allows for reliable soldering on printed circuit boards. The part is marked as RoHS3 compliant and REACH unaffected, though these compliance claims are unverified.

820542511 Quick Information

Product Type: Varistor
Series: 14M
Canonical Name: 820542511 Disk Varistor Standard WE-VD 14M
Subcategory: Disk Varistor

820542511 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

820542511 Estimated Pricing

Qty Low High
1+ $0.83 $0.83
10+ $0.66 $0.66
25+ $0.59 $0.59
100+ $0.45 $0.45
500+ $0.43 $0.43
750+ $0.43 $0.43

Estimated market price range - modelled values for guidance only, not live distributor offers.

820542511 Features

  • 390V typical varistor voltage rating.
  • Surge current handling up to 4.5kA.
  • Energy absorption capacity of 120J.
  • Disc 14mm through-hole package.
  • Wide operating temperature range -40°C to 125°C.

820542511 Applications

  • Overvoltage protection in AC power lines.
  • Transient suppression in industrial equipment.
  • Surge protection for DC power supplies.
  • Used in motor drive and inverter circuits.

820542511 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the varistor voltage of 820542511?

The typical varistor voltage is 390V, with a minimum of 351V and a maximum of 429V.

What is the maximum AC and DC voltage rating?

The maximum AC voltage is 250V and the maximum DC voltage is 320V.

What is the surge current capability?

The varistor can handle a surge current of 4.5kA.

What is the energy rating?

The energy absorption rating is 120J.

What is the package type?

The package is Disc 14mm with through-hole mounting.

What is the operating temperature range?

The operating temperature range is -40°C to 125°C.

What is the capacitance at 1kHz?

The typical capacitance is 460pF at 1kHz.

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