V18ZA1 Littelfuse V18ZA1 is a ZA Series radial lead varistor with a typical varistor voltage of 18V, peak pulse current rating of 250A, and energy absorption of 0.8J.
Mfr Part #:

V18ZA1

Available from 1 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse V18ZA1 is a ZA Series radial lead varistor with a typical varistor voltage of 18V, peak pulse current rating of 250A, and energy absorption of 0.8J.
✓ Total Stock: 769 pcs

V18ZA1 Available from 1 distributor

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V18ZA1 Specifications Quick View

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

V18ZA1 Description

Short technical summary and product information.

The Littelfuse V18ZA1 is a metal oxide varistor (MOV) from the ZA Series, designed for transient voltage surge suppression in low and medium-voltage circuits. It features a typical varistor voltage of 18V (minimum 16.2V, maximum 19.8V) at 1mA test current, with a maximum AC voltage rating of 10V and maximum DC voltage rating of 14V. The device can handle peak pulse currents up to 250A (8/20µs waveform) and absorb 0.8J of energy (10/1000µs waveform).

 

This varistor is housed in a 7mm disc package with radial leads for through-hole mounting. It operates over a temperature range of -55°C to +85°C and has a typical capacitance of 2700pF at 1MHz. The device is lead-free, halogen-free, and RoHS compliant, with a storage temperature range of -55°C to +125°C.

 

Typical applications include motor control, telecom, automotive systems, solenoid protection, and power supply circuits. The V18ZA1 is available in tape and reel or bulk packaging options.

V18ZA1 Quick Information

Product Type: Varistor (MOV)
Series: ZA
Canonical Name: Littelfuse ZA Series 18V 250A Radial Lead Varistor
Subcategory: Metal Oxide Varistor (MOV)

V18ZA1 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 3
REACH Status: Non-Compliant
Lead Free: Lead-Free

V18ZA1 Features

  • 18V typical varistor voltage at 1mA.
  • 250A peak pulse current rating.
  • 0.8J energy absorption capability.
  • Radial lead 7mm disc package.
  • RoHS, lead-free, halogen-free compliant.

V18ZA1 Applications

  • Protects low-voltage power supply circuits.
  • Used in motor control and solenoid circuits.
  • Suitable for telecom and automotive systems.
  • Ideal for transient surge suppression in PCBs.

V18ZA1 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the varistor voltage of the V18ZA1?

The typical varistor voltage is 18V at 1mA test current, with a minimum of 16.2V and maximum of 19.8V.

What is the peak pulse current rating?

The peak pulse current is 250A for an 8/20µs waveform.

What is the package type?

The V18ZA1 comes in a 7mm disc through-hole package with radial leads.

What is the operating temperature range?

The operating temperature range is -55°C to +85°C.

What is the capacitance of this varistor?

Typical capacitance is 2700pF at 1MHz.

What is the maximum AC and DC voltage rating?

Maximum AC voltage is 10V and maximum DC voltage is 14V.

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