B72220-S251-K101 The EPCOS B72220-S251-K101 is a metal oxide varistor designed for circuit protection. It features a 250Vrms operating voltage and a 650V clamping voltage.
Mfr Part #:

B72220-S251-K101

Available from 3 distributors
Mfr Name: EPCOS
EPCOS
The EPCOS B72220-S251-K101 is a metal oxide varistor designed for circuit protection. It features a 250Vrms operating voltage and a 650V clamping voltage.
✓ Total Stock: 627 pcs
$ Price Range: $0.10

B72220-S251-K101 Available from 3 distributors

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✓ Non-Authorised
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329 pcs
329 pcs On Request 1 On Request On Request On Request On Request On Request
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150 pcs
150 pcs On Request 1 On Request On Request On Request On Request On Request
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148 pcs
148 pcs On Request 1 On Request On Request 0710 On Request On Request

B72220-S251-K101 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Automotive Grade
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Industrial Grade
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B72220-S251-K101 Description

Short technical summary and product information.

This EPCOS B72220-S251-K101 is a metal oxide varistor (MOV) designed for robust circuit protection applications. It operates at a nominal AC voltage of 250Vrms and a DC voltage of 320VDC, with a clamping voltage of 650V. The varistor can handle a peak and surge current of up to 8000A, with an energy rating of 130 Joules.

 

Featuring metal oxide technology, this component offers a capacitance of 700 pF and a power rating of 1W at +85°C. Its insulation resistance is a minimum of 10 Megohms, and it has a dielectric strength of at least 2.5 kV (RMS). The operating temperature range is from -40°C to +85°C.

 

The varistor has dimensions of 21.5 mm (Max.) Dia. x 5.3 mm (Max.) W x 25.5 mm (Max.) H. It is supplied with tinned copper terminals and is designed for leaded mounting.

 

This component is suitable for applications requiring protection against voltage transients and surges.

B72220-S251-K101 Quick Information

Product Type: Varistor
Series: Standard Series
Canonical Name: EPCOS B72220S251K101 Metal Oxide Varistor

B72220-S251-K101 Compliance

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

B72220-S251-K101 Estimated Pricing

Qty Low High
1+ $0.10 $0.10

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

B72220-S251-K101 Features

  • Metal oxide varistor for circuit protection.
  • 250Vrms AC and 320VDC operating voltage.
  • 650V clamping voltage.
  • 8000A peak and surge current rating.
  • Leaded mounting style with tinned copper terminals.

B72220-S251-K101 Applications

  • Protects electronic circuits from voltage surges.
  • Suitable for AC and DC power systems.
  • Used in industrial automation equipment.
  • Provides transient voltage suppression.

B72220-S251-K101 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage for the EPCOS B72220-S251-K101 varistor?

The operating voltage is 250 VAC and 320 VDC.

What is the clamping voltage of this varistor?

The clamping voltage is 650 V.

What is the maximum surge current capability?

The maximum surge current is 8000 A.

What is the energy rating of the B72220-S251-K101?

The energy rating is 130 Joules.

What is the operating temperature range?

The operating temperature range is -40 °C to +85 °C.

What type of technology does this varistor use?

It uses Metal Oxide technology.

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