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B72220S251K101 The EPCOS B72220S251K101 is a metal oxide varistor designed for circuit protection. It offers a 250VAC operating voltage and a high surge current capability.
Mfr Part #:

B72220S251K101

Available from 1 distributors
Mfr Name: EPCOS
EPCOS
The EPCOS B72220S251K101 is a metal oxide varistor designed for circuit protection. It offers a 250VAC operating voltage and a high surge current capability.
✓ Total Stock: 250 pcs
$ Price Range: $0.99

B72220S251K101 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Bristol Electronics ✓
Non-Authorised Inventory information
250 pcs
On Request
250 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

B72220S251K101 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Capacitance
Insulation Resistance
Lead Style
Mounting Style
Power Rating
Response Time
SVHC Present
Storage Temperature
Technology
Terminal Type
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B72220S251K101 Description

Short technical summary and product information.

The EPCOS B72220S251K101 is a varistor belonging to the Standard Series, designed for robust circuit protection applications. This component operates at a nominal AC voltage of 250Vrms and a DC voltage of 320VDC, with a varistor voltage of 390V. It provides a clamping voltage of 650V and can withstand a peak surge current of up to 8000A.

 

With an energy rating of 130 Joules and a power rating of 1W at 85°C, this varistor is suitable for demanding environments. Its metal oxide technology ensures reliable performance. The component has a capacitance of 700pF and a fast response time of 25ns.

 

Designed with leaded mounting and tinned copper terminals, the B72220S251K101 is intended for through-hole mounting. It operates within a temperature range of -40°C to 85°C. The insulation resistance is a minimum of 10 Megohms, and it has an electric strength of at least 2.5 kV (RMS).

 

This varistor is RoHS3 compliant, has an MSL rating of 1, and is REACH unaffected, making it suitable for various industrial and electronic applications requiring reliable overvoltage protection.

B72220S251K101 Quick Information

Product Type: Varistor
Series: Standard Series
Canonical Name: EPCOS B72220S251K101 Varistor
Subcategory: TVS - Varistors, MOVs

B72220S251K101 Compliance

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

B72220S251K101 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

B72220S251K101 Features

  • 250VAC operating voltage
  • 650V clamping voltage
  • 8000A peak surge current
  • 130 Joules energy rating
  • Metal oxide technology

B72220S251K101 Applications

  • Protects sensitive electronic circuits
  • Suppresses transient voltage spikes
  • Used in power supply applications
  • Suitable for industrial equipment

B72220S251K101 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the clamping voltage of the B72220S251K101?

650 V.

What is the peak surge current rating?

8000 A.

What is the package type and mounting style?

Leaded mounting with tinned copper terminals.

What is the varistor voltage?

390 V.

What is the energy rating?

130 Joules.

What is the response time?

25 ns.

What is the operating temperature range?

-40 °C to +85 °C.

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