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B72220S0421K101 SIOV metal oxide varistor, StandarD series, 680V typical varistor voltage, 8kA surge current rating, Disc 20mm package, through hole mounting.
Mfr Part #:

B72220S0421K101

Available from 1 distributors
Mfr Name: TDK Corporation
TDK Corporation
SIOV metal oxide varistor, StandarD series, 680V typical varistor voltage, 8kA surge current rating, Disc 20mm package, through hole mounting.
Total Stock: 5,600 pcs
$ Price Range: $0.48 - $1.03

B72220S0421K101 Available from 1 distributor

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
5,600 pcs
5600 pcs On Request 1 On Request On Request On Request On Request On Request

B72220S0421K101 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
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AEC Qualified
Automotive Grade
Capacitance @ Frequency
Current
Electric Strength
Energy
Flammability Rating
Industrial Grade
Insulation Resistance
Lead Style
Maximum AC Volts
Maximum DC Volts
Medical Grade
Military Grade
Mounting Type
Number of Circuits
Operating Temperature
Storage Temperature
Tape & Reel
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Varistor Voltage (Max)
Varistor Voltage (Min)
Varistor Voltage (Minimum/Typical/Maximum)
Varistor Voltage (Typ)

B72220S0421K101 Description

Short technical summary and product information.

The B72220S0421K101 is a SIOV metal oxide varistor from TDK Electronics, part of the StandarD series. It features a typical varistor voltage of 680V with a minimum of 612V and maximum of 748V. The device is rated for a maximum AC voltage of 420V and maximum DC voltage of 560V. It can handle a surge current of up to 8kA (8/20 µs waveform) and an energy absorption of 175J. The capacitance is 550pF at 1kHz.

 

The varistor is housed in a Disc 20mm package with radial tinned wire leads, designed for through hole mounting. The epoxy resin coating is flame-retardant to UL 94 V-0. Operating temperature range is -40°C to 105°C, with storage from -40°C to 125°C. Insulation resistance is at least 100MΩ and electric strength is at least 2.5kV RMS.

 

Typical applications include overvoltage protection in power supplies, industrial equipment, and consumer electronics where reliable transient suppression is required. The component is RoHS3 compliant and has an MSL of 1 (unlimited).

B72220S0421K101 Quick Information

Product Type: Varistor
Series: StandarD
Canonical Name: SIOV Metal Oxide Varistor, StandarD Series, 680V, 8kA, Disc 20mm
Subcategory: Leaded Varistor

B72220S0421K101 Compliance

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

B72220S0421K101 Estimated Pricing

Qty Low High
1+ $1.03 $1.03
10+ $0.74 $0.74
25+ $0.67 $0.67
200+ $0.56 $0.56
400+ $0.54 $0.54
600+ $0.53 $0.53
1,000+ $0.51 $0.51
2,600+ $0.49 $0.49
5,000+ $0.48 $0.48

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

B72220S0421K101 Features

  • Typical varistor voltage of 680V.
  • Surge current rating of 8kA (8/20 µs).
  • Energy absorption of 175J.
  • Disc 20mm through hole package.
  • Flame-retardant epoxy coating UL 94 V-0.

B72220S0421K101 Applications

  • Overvoltage protection in power supplies.
  • Transient suppression in industrial equipment.
  • Surge protection for AC/DC lines.
  • Used in consumer electronics circuits.

B72220S0421K101 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the varistor voltage of B72220S0421K101?

The typical varistor voltage is 680V, with a minimum of 612V and maximum of 748V.

What is the maximum AC and DC voltage rating?

Maximum AC voltage is 420V, maximum DC voltage is 560V.

What is the surge current capability?

The maximum surge current is 8kA for an 8/20 µs waveform.

What is the package type?

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

What is the operating temperature range?

Operating temperature range is -40°C to 105°C.

What is the capacitance value?

Capacitance is 550pF at 1kHz.

Is the component RoHS compliant?

The component is marked as RoHS3 compliant, though this is unverified.

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