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ThermoFuse™ Varistors

TDK ThermoFuse™ Varistors feature a wide operating voltage range of 130V_RMS to 750V_RMS. These varistors are self-protected under abnormal overvoltage conditions and offer high-energy Advanced series E2. TDK ThermoFuse varistors include either leaded square varistor elements or leaded round varistor elements. These varistors are made of epoxy molding and are flame-retardant as per UL 94 V-0. The ThermoFuse varistors come with tinned copper wire and metal compound wire terminals. Typical applications include power meters, telecom, transient voltage surger suppressors (TVSS), and household appliances.

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Part #

Varistors 250VAC 10% 20mm 2-pin ThermoFuse

B72220R2251K101
TDK
1: Rp39.077
Non-Stocked Lead-Time 22 Weeks

Mfr. Part No.
B72220R2251K101

Mouser Part No
871-B72220R2251K101

TDK

Varistors 250VAC 10% 20mm 2-pin ThermoFuse

Datasheet

Non-Stocked Lead-Time 22 Weeks

Rp39.077

Rp28.987

Rp26.235

Rp23.483

View

Min.: 1
Mult.: 1

Varistors 50VAC 10% 20mm ThermoFuse

B72220T0500K901
TDK
1.500: Rp49.901
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
B72220T0500K901

Mouser Part No
871-B72220T0500K901

TDK

Varistors 50VAC 10% 20mm ThermoFuse

Datasheet

Non-Stocked Lead-Time 20 Weeks

Rp49.901

Rp49.718

Min.: 1.500
Mult.: 1.500

Varistors 510VAC 10% 20mm ThermoFuse

B72220T0511K109
TDK
1.680: Rp22.933
Non-Stocked Lead-Time 22 Weeks

Mfr. Part No.
B72220T0511K109

Mouser Part No
871-B72220T0511K109

TDK

Varistors 510VAC 10% 20mm ThermoFuse

Datasheet

Non-Stocked Lead-Time 22 Weeks

Rp22.933

Rp22.749

Min.: 1.680
Mult.: 1.680

Varistors 1000VAC 10% 20mm ThermoFuse

B72220T0102K105
TDK
1.260: Rp35.775
Non-Stocked Lead-Time 22 Weeks

Mfr. Part No.
B72220T0102K105

Mouser Part No
871-B72220T102K105

TDK

Varistors 1000VAC 10% 20mm ThermoFuse

Datasheet

Non-Stocked Lead-Time 22 Weeks

Rp35.775

Rp35.591

Rp34.857

Min.: 1.260
Mult.: 1.260

Varistors 130VAC 10% 20mm AdvanceD Thermofused

B72220T2131K105
TDK
1.500: Rp26.235
Non-Stocked Lead-Time 22 Weeks

Mfr. Part No.
B72220T2131K105

Mouser Part No
871-B72220T2131K105

TDK

Varistors 130VAC 10% 20mm AdvanceD Thermofused

Datasheet

Non-Stocked Lead-Time 22 Weeks

Rp26.235

Min.: 1.500
Mult.: 1.500

Varistors 150VAC 10% 20mm AdvanceD Thermofused

B72220T2151K105
TDK
1: Rp53.387
Non-Stocked Lead-Time 22 Weeks

Mfr. Part No.
B72220T2151K105

Mouser Part No
871-B72220T2151K105

TDK

Varistors 150VAC 10% 20mm AdvanceD Thermofused

Datasheet

Non-Stocked Lead-Time 22 Weeks

Rp53.387

Rp39.811

Rp36.509

Rp32.656

View

Min.: 1
Mult.: 1

Varistors 175VAC 10% 20mm AdvanceD Thermofused

B72220T2171K105
TDK
1.500: Rp22.199
Non-Stocked Lead-Time 22 Weeks

Mfr. Part No.
B72220T2171K105

Mouser Part No
871-B72220T2171K105

TDK

Varistors 175VAC 10% 20mm AdvanceD Thermofused

Datasheet

Non-Stocked Lead-Time 22 Weeks

Rp22.199

Min.: 1.500
Mult.: 1.500

Varistors 230VAC 10% 20mm AdvanceD Thermofused

B72220T2231K105
TDK
1.500: Rp22.199
Non-Stocked Lead-Time 22 Weeks

Mfr. Part No.
B72220T2231K105

Mouser Part No
871-B72220T2231K105

TDK

Varistors 230VAC 10% 20mm AdvanceD Thermofused

Datasheet

Non-Stocked Lead-Time 22 Weeks

Rp22.199

Rp21.832

Min.: 1.500
Mult.: 1.500

Varistors 250VAC 10% 20mm AdvanceD Thermofused

B72220T2251K105
TDK
1.500: Rp22.015
Non-Stocked Lead-Time 22 Weeks

Mfr. Part No.
B72220T2251K105

Mouser Part No
871-B72220T2251K105

TDK

Varistors 250VAC 10% 20mm AdvanceD Thermofused

Datasheet

Non-Stocked Lead-Time 22 Weeks

Rp22.015

Rp21.832

Min.: 1.500
Mult.: 1.500

Varistors 275VAC 10% 20mm AdvanceD Thermofused

B72220T2271K105
TDK
1.500: Rp22.199
Non-Stocked Lead-Time 22 Weeks

Mfr. Part No.
B72220T2271K105

Mouser Part No
871-B72220T2271K105

TDK

Varistors 275VAC 10% 20mm AdvanceD Thermofused

Datasheet

Non-Stocked Lead-Time 22 Weeks

Rp22.199

Rp22.015

Min.: 1.500
Mult.: 1.500

Varistors 300VAC 10% 20mm AdvanceD Thermofused

B72220T2301K105
TDK
1.500: Rp22.199
Non-Stocked Lead-Time 22 Weeks

Mfr. Part No.
B72220T2301K105

Mouser Part No
871-B72220T2301K105

TDK

Varistors 300VAC 10% 20mm AdvanceD Thermofused

Datasheet

Non-Stocked Lead-Time 22 Weeks

Rp22.199

Min.: 1.500
Mult.: 1.500

Varistors 320VAC 10% 20mm AdvanceD Thermofused

B72220T2321K106
TDK
1.000: Rp22.566
Non-Stocked Lead-Time 22 Weeks

Mfr. Part No.
B72220T2321K106

Mouser Part No
871-B72220T2321K106

TDK

Varistors 320VAC 10% 20mm AdvanceD Thermofused

Datasheet

Non-Stocked Lead-Time 22 Weeks

Rp22.566

Rp21.832

Rp21.281

Min.: 1.000
Mult.: 1.000

Varistors 350VAC 10% 20mm AdvanceD Thermofused

B72220T2351K105
TDK
1.500: Rp23.666
Non-Stocked Lead-Time 26 Weeks

Mfr. Part No.
B72220T2351K105

Mouser Part No
871-B72220T2351K105

TDK

Varistors 350VAC 10% 20mm AdvanceD Thermofused

Datasheet

Non-Stocked Lead-Time 26 Weeks

Rp23.666

Min.: 1.500
Mult.: 1.500

Varistors 420VAC 10% 20mm AdvanceD Thermofused

B72220T2421K105
TDK
1.500: Rp22.199
Non-Stocked Lead-Time 22 Weeks

Mfr. Part No.
B72220T2421K105

Mouser Part No
871-B72220T2421K105

TDK

Varistors 420VAC 10% 20mm AdvanceD Thermofused

Datasheet

Non-Stocked Lead-Time 22 Weeks

Rp22.199

Min.: 1.500
Mult.: 1.500

Varistors 460VAC 10% 20mm AdvanceD Thermofused

B72220T2461K105
TDK
1.680: Rp23.666
Non-Stocked Lead-Time 22 Weeks

Mfr. Part No.
B72220T2461K105

Mouser Part No
871-B72220T2461K105

TDK

Varistors 460VAC 10% 20mm AdvanceD Thermofused

Datasheet

Non-Stocked Lead-Time 22 Weeks

Rp23.666

Min.: 1.680
Mult.: 1.680

Varistors 550VAC 10% 20mm AdvanceD Thermofused

B72220T2551K105
TDK
1.680: Rp23.666
Non-Stocked Lead-Time 22 Weeks

Mfr. Part No.
B72220T2551K105

Mouser Part No
871-B72220T2551K105

TDK

Varistors 550VAC 10% 20mm AdvanceD Thermofused

Datasheet

Non-Stocked Lead-Time 22 Weeks

Rp23.666

Min.: 1.680
Mult.: 1.680

Varistors 625VAC 10% 20mm AdvanceD Thermofused

B72220T2621K105
TDK
1: Rp72.283
Non-Stocked Lead-Time 19 Weeks

Mfr. Part No.
B72220T2621K105

Mouser Part No
871-B72220T2621K105

TDK

Varistors 625VAC 10% 20mm AdvanceD Thermofused

Datasheet

Non-Stocked Lead-Time 19 Weeks

Rp72.283

Rp45.682

Rp41.829

Rp34.857

View

Min.: 1
Mult.: 1

Varistors 680VAC 10% 20mm AdvanceD Thermofused

B72220T2681K105
TDK
1.260: Rp26.602
Non-Stocked Lead-Time 22 Weeks

Mfr. Part No.
B72220T2681K105

Mouser Part No
871-B72220T2681K105

TDK

Varistors 680VAC 10% 20mm AdvanceD Thermofused

Datasheet

Non-Stocked Lead-Time 22 Weeks

Rp26.602

Rp25.684

Rp25.501

Min.: 1.260
Mult.: 1.260

Varistors 320VAC 10% 20mm 3-pin ThermoFuse

B72220W2321K101
TDK
1: Rp38.527
Non-Stocked Lead-Time 22 Weeks

Mfr. Part No.
B72220W2321K101

Mouser Part No
871-B72220W2321K101

TDK

Varistors 320VAC 10% 20mm 3-pin ThermoFuse

Datasheet

Non-Stocked Lead-Time 22 Weeks

Rp38.527

Rp28.436

Rp26.051

Rp23.116

View

Min.: 1
Mult.: 1

Industrial Surge Protectors 150V 25kA 10% 4pin 30mm

B72230M0151M401
TDK
1: Rp233.912
Non-Stocked Lead-Time 42 Weeks

Mfr. Part No.
B72230M0151M401

Mouser Part No
871-B72230M0151M401

TDK

Industrial Surge Protectors 150V 25kA 10% 4pin 30mm

Datasheet

Non-Stocked Lead-Time 42 Weeks

Rp233.912

Rp170.985

Rp157.225

Rp144.383

Min.: 1
Mult.: 1

Industrial Surge Protectors 320V 25kA 10% 4pin 30mm

B72230M0321M401
TDK
500: Rp146.585
Non-Stocked Lead-Time 42 Weeks

Mfr. Part No.
B72230M0321M401

Mouser Part No
871-B72230M0321M401

TDK

Industrial Surge Protectors 320V 25kA 10% 4pin 30mm

Datasheet

Non-Stocked Lead-Time 42 Weeks

Rp146.585

Min.: 500
Mult.: 500

Industrial Surge Protectors 385V 25kA 10% 4pin 30mm

B72230M0381M401
TDK
400: Rp150.988
Non-Stocked Lead-Time 42 Weeks

Mfr. Part No.
B72230M0381M401

Mouser Part No
871-B72230M0381M401

TDK

Industrial Surge Protectors 385V 25kA 10% 4pin 30mm

Datasheet

Non-Stocked Lead-Time 42 Weeks

Rp150.988

Min.: 400
Mult.: 400

Industrial Surge Protectors 420V 25kA 10% 4pin 30mm

B72230M0421M401
TDK
1: Rp246.387
Non-Stocked Lead-Time 42 Weeks

Mfr. Part No.
B72230M0421M401

Mouser Part No
871-B72230M0421M401

TDK

Industrial Surge Protectors 420V 25kA 10% 4pin 30mm

Datasheet

Non-Stocked Lead-Time 42 Weeks

Rp246.387

Rp190.431

Rp185.662

Rp164.013

Rp151.538

Min.: 1
Mult.: 1

Industrial Surge Protectors 680V 25kA 10% 4pin 30mm

B72230M0681M401
TDK
400: Rp150.988
Non-Stocked Lead-Time 42 Weeks

Mfr. Part No.
B72230M0681M401

Mouser Part No
871-B72230M0681M401

TDK

Industrial Surge Protectors 680V 25kA 10% 4pin 30mm

Datasheet

Non-Stocked Lead-Time 42 Weeks

Rp150.988

Min.: 400
Mult.: 400

Industrial Surge Protectors 750V 25kA 10% 4pin 30mm

B72230M0751M401
TDK
400: Rp151.538
Non-Stocked Lead-Time 42 Weeks

Mfr. Part No.
B72230M0751M401

Mouser Part No
871-B72230M0751M401

TDK

Industrial Surge Protectors 750V 25kA 10% 4pin 30mm

Datasheet

Non-Stocked Lead-Time 42 Weeks

Rp151.538

Min.: 400
Mult.: 400