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MOV-20D431K Bourns MOV-20D431K is a 20mm radial leaded metal oxide varistor (MOV) with a nominal varistor voltage of 430V. It provides overvoltage protection with 6.5kA peak surge current capability and 710V clamping voltage.
Mfr Part #:

MOV-20D431K

Available from 1 distributors
Mfr Name: Bourns
Bourns
Bourns MOV-20D431K is a 20mm radial leaded metal oxide varistor (MOV) with a nominal varistor voltage of 430V. It provides overvoltage protection with 6.5kA peak surge current capability and 710V clamping voltage.
Total Stock: 4 pcs
$ Price Range: $0.34 - $0.79

MOV-20D431K Available from 1 distributor

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MOV-20D431K Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Capacitance @ Frequency
Clamping Voltage (at 100 A, 8/20 µs)
Current
Energy
Lead Style
Maximum AC Volts
Maximum DC Volts
Mounting Type
Number of Circuits
Operating Temperature
Rated Wattage
Response Time
Storage Temperature
Tape & Reel
Varistor Voltage (@ 1 mA DC)
Varistor Voltage (Max)
Varistor Voltage (Min)
Varistor Voltage (Typ)
Varistor Voltage Temperature Coefficient

MOV-20D431K Description

Short technical summary and product information.

The Bourns MOV-20D431K is a 20mm radial leaded metal oxide varistor (MOV) designed for overvoltage transient protection. It offers a varistor voltage of 430V typical at 1 mA DC, with a tolerance of ±10%. The device can handle a maximum continuous AC voltage of 275V and DC voltage of 350V.

 

Key electrical ratings include a peak surge current of 6.5 kA (8/20 µs, one time), maximum clamping voltage of 710V at 100A, and energy absorption capability of 190J. The response time is typically 25 ns, with a minimum of 10 ns. Capacitance is 1116 pF at 1 kHz.

 

The MOV operates over a temperature range of -40°C to 105°C and has a rated wattage of 1.00W. The varistor voltage temperature coefficient is 0.05 %/°C. The device is RoHS compliant and UL 1449 listed (file E313168).

 

The package is a through-hole Disc 20mm with straight or kinked lead styles available. It is suitable for power supply, industrial, and consumer electronics applications requiring surge protection.

MOV-20D431K Quick Information

Product Type: Metal Oxide Varistor (MOV)
Series: MOV-20DxxxK
Canonical Name: Bourns MOV-20D431K Metal Oxide Varistor, 430V, 6.5kA, Disc 20mm
Subcategory: Metal Oxide Varistor (MOV)

MOV-20D431K Compliance

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

MOV-20D431K Estimated Pricing

Qty Low High
1+ $0.79 $0.79
10+ $0.50 $0.50
100+ $0.44 $0.44
250+ $0.40 $0.40
400+ $0.38 $0.38
1,200+ $0.37 $0.37
2,800+ $0.36 $0.36
5,200+ $0.34 $0.34

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

MOV-20D431K Features

  • Varistor voltage 430V typical at 1 mA.
  • Peak surge current 6.5 kA (8/20 µs).
  • Maximum clamping voltage 710 V at 100 A.
  • Operating temperature range -40°C to 105°C.
  • RoHS compliant and UL 1449 listed.

MOV-20D431K Applications

  • Used for overvoltage transient protection in AC lines.
  • Suitable for surge protection in power supplies.
  • Ideal for lightning and power induction protection.
  • Protects against power contact faults.
  • Applied in industrial and consumer electronics.

MOV-20D431K FAQs

6 frequently asked questions generated from this part’s specifications.
What is the varistor voltage of MOV-20D431K?

The varistor voltage is 430V typical at 1 mA DC, with a minimum of 387V and maximum of 473V.

What is the clamping voltage?

The maximum clamping voltage is 710V at 100 A (8/20 µs).

What is the peak surge current rating?

The peak surge current is 6.5 kA (one time, 8/20 µs).

What are the maximum continuous AC and DC voltages?

Maximum continuous AC voltage is 275V RMS; maximum DC voltage is 350V.

What is the operating temperature range?

The operating temperature range is -40°C to 105°C.

What is the package type?

The package is a Disc 20mm with through-hole mounting and straight or kinked lead styles.

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