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V420LA20A Varistor 680V 4.5kA Disc 14mm from Littelfuse LA Series. Through hole mounting, radial leads, 420V AC / 560V DC max, 300pF capacitance.
Mfr Part #:

V420LA20A

Available from 1 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Varistor 680V 4.5kA Disc 14mm from Littelfuse LA Series. Through hole mounting, radial leads, 420V AC / 560V DC max, 300pF capacitance.
Total Stock: 11 pcs
$ Price Range: $0.42

V420LA20A Available from 1 distributor

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V420LA20A Specifications Quick View

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

V420LA20A Description

Short technical summary and product information.

The V420LA20A is a metal oxide varistor (MOV) from Littelfuse's LA Varistor Series, designed for continuous operation across AC power lines. It offers a typical varistor voltage of 680V (minimum 612V, maximum 748V) and can handle up to 420V AC or 560V DC steady-state voltage.

 

With a peak pulse current rating of 4.5kA (8/20µs waveform) and energy absorption capability of 90J (10/1000µs), it provides robust transient surge protection. The device features a capacitance of 300pF at 1MHz and operates over a temperature range of -55°C to 85°C.

 

This varistor is housed in a standard Disc 14mm package with radial leads and through hole mounting, making it suitable for PCB integration in power line and industrial applications.

V420LA20A Quick Information

Product Type: Varistor (MOV)
Series: LA
Canonical Name: Littelfuse LA Series Varistor, 680V, 4.5kA, Disc 14mm
Subcategory: Metal Oxide Varistor

V420LA20A Compliance

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

V420LA20A Estimated Pricing

Qty Low High
1,800+ $0.42 $0.42

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

V420LA20A Features

  • 680V typical varistor voltage rating.
  • Handles 4.5kA peak pulse current.
  • Absorbs up to 90J surge energy.
  • Through hole mounting, Disc 14mm package.
  • Operates from -55°C to 85°C ambient.

V420LA20A Applications

  • AC power line transient suppression.
  • Industrial equipment surge protection.
  • Power supply input overvoltage clamping.
  • Motor and relay contact protection.

V420LA20A FAQs

6 frequently asked questions generated from this part’s specifications.
What is the varistor voltage of V420LA20A?

The varistor voltage is 680V typical, with a minimum of 612V and maximum of 748V.

What are the maximum AC and DC voltages for this part?

Maximum AC voltage is 420V, maximum DC voltage is 560V.

What is the peak pulse current rating?

Peak pulse current is 4.5kA (8/20µs waveform).

What is the energy absorption capability?

Energy absorption is 90J (10/1000µs waveform).

What is the capacitance of V420LA20A?

Typical capacitance is 300pF at 1MHz.

What package and mounting does this varistor use?

Disc 14mm package with through hole mounting and radial leads.

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