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V320LA40BP The V320LA40BP is a Littelfuse LA Series metal-oxide varistor (MOV) rated for 501V varistor voltage, 6.5kA peak pulse current, and 150J energy absorption. It comes in a Disc 20mm through-hole package.
Mfr Part #:

V320LA40BP

Available from 3 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The V320LA40BP is a Littelfuse LA Series metal-oxide varistor (MOV) rated for 501V varistor voltage, 6.5kA peak pulse current, and 150J energy absorption. It comes in a Disc 20mm through-hole package.
Total Stock: 869 pcs
$ Price Range: $0.45 - $0.84

V320LA40BP Available from 3 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
744 pcs
744 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
80 pcs
80 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
45 pcs
45 pcs On Request 1 On Request On Request On Request On Request On Request

V320LA40BP Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Capacitance
Capacitance @ Frequency
Coating Insulation Resistance
Current
Disc Diameter
Energy
Halogen Free
Lead Style
Maximum AC Volts
Maximum DC Volts
Mounting Type
Number of Circuits
Operating Temperature
Peak Pulse Current
SVHC Present
Storage Temperature
Tape & Reel
Varistor Voltage
Varistor Voltage (Max)
Varistor Voltage (Min)
Varistor Voltage (Typ)

V320LA40BP Description

Short technical summary and product information.

The V320LA40BP is a metal-oxide varistor (MOV) from Littelfuse's LA Series, designed for transient voltage suppression in AC power line applications. It features a varistor voltage of 501V typical (462V min, 540V max) and can handle maximum AC voltages of 320V and DC voltages of 420V.

 

The device offers robust surge protection with a peak pulse current rating of 6.5kA (8/20µs waveform) and energy absorption of 150J (10/1000µs waveform). It has a capacitance of 750pF at 1MHz and operates over a temperature range of -55°C to 85°C with no derating required up to 85°C.

 

The V320LA40BP is packaged in a Disc 20mm form factor with through-hole mounting and radial leads. It is RoHS3 compliant, lead-free, and halogen-free. The LA Series is UL recognized (UL1449) and meets IEC 61051 standards, making it suitable for a wide range of industrial and consumer electronics applications.

V320LA40BP Quick Information

Product Type: Metal-Oxide Varistor (MOV)
Series: LA
Canonical Name: Littelfuse V320LA40BP Varistor, 501V, 6.5kA, Disc 20mm
Subcategory: Varistors

V320LA40BP Compliance

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

V320LA40BP Estimated Pricing

Qty Low High
1+ $0.84 $0.84
10+ $0.61 $0.61
25+ $0.55 $0.55
100+ $0.48 $0.48
250+ $0.45 $0.45

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

V320LA40BP Features

  • 501V typical varistor voltage rating.
  • 6.5kA peak pulse current capability.
  • 150J energy absorption rating.
  • Disc 20mm through-hole package.
  • RoHS and halogen-free compliant.

V320LA40BP Applications

  • AC power line transient suppression.
  • Surge protection in power supplies.
  • Industrial equipment voltage clamping.
  • Consumer electronics overvoltage protection.

V320LA40BP FAQs

7 frequently asked questions generated from this part’s specifications.
What is the varistor voltage of the V320LA40BP?

The varistor voltage is 462V minimum, 501V typical, and 540V maximum.

What is the peak pulse current rating?

The peak pulse current is 6.5kA for an 8/20µs current wave.

What is the package type of the V320LA40BP?

The package is Disc 20mm with through-hole mounting and radial leads.

What is the maximum AC voltage rating?

The maximum AC voltage is 320V.

What is the maximum DC voltage rating?

The maximum DC voltage is 420V.

What is the energy absorption capability?

The energy absorption is 150J for a 10/1000µs current wave.

What is the capacitance of this varistor?

The capacitance is 750pF at 1MHz.

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