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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 50VAC 10% 20mm ThermoFuse

B72220T0500K101
TDK
1,500: £1.38
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
B72220T0500K101

Mouser Part No
871-B72220T0500K101

TDK

Varistors 50VAC 10% 20mm ThermoFuse

Datasheet

Non-Stocked Lead-Time 8 Weeks

£1.38

Min.: 1,500
Mult.: 1,500

Varistors 50VAC 10% 20mm ThermoFuse

B72220T0500K901
TDK
1,500: £2.04
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
B72220T0500K901

Mouser Part No
871-B72220T0500K901

TDK

Varistors 50VAC 10% 20mm ThermoFuse

Datasheet

Non-Stocked Lead-Time 8 Weeks

£2.04

£2.03

Min.: 1,500
Mult.: 1,500

Varistors 510VAC 10% 20mm ThermoFuse

B72220T0511K109
TDK
1,680: £0.943
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
B72220T0511K109

Mouser Part No
871-B72220T0511K109

TDK

Varistors 510VAC 10% 20mm ThermoFuse

Datasheet

Non-Stocked Lead-Time 8 Weeks

£0.943

£0.934

Min.: 1,680
Mult.: 1,680

Varistors 1000VAC 10% 20mm ThermoFuse

B72220T0102K105
TDK
1,260: £1.39
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
B72220T0102K105

Mouser Part No
871-B72220T102K105

TDK

Varistors 1000VAC 10% 20mm ThermoFuse

Datasheet

Non-Stocked Lead-Time 8 Weeks

£1.39

Min.: 1,260
Mult.: 1,260

Varistors 130VAC 10% 20mm AdvanceD Thermofused

B72220T2131K105
TDK
1,500: £1.06
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
B72220T2131K105

Mouser Part No
871-B72220T2131K105

TDK

Varistors 130VAC 10% 20mm AdvanceD Thermofused

Datasheet

Non-Stocked Lead-Time 8 Weeks

£1.06

Min.: 1,500
Mult.: 1,500

Varistors 150VAC 10% 20mm AdvanceD Thermofused

B72220T2151K105
TDK
1: £2.18
Lead-Time 8 Weeks

Mfr. Part No.
B72220T2151K105

Mouser Part No
871-B72220T2151K105

TDK

Varistors 150VAC 10% 20mm AdvanceD Thermofused

Datasheet

Lead-Time 8 Weeks

£2.18

£1.63

£1.49

£1.34

View

Min.: 1
Mult.: 1

Varistors 175VAC 10% 20mm AdvanceD Thermofused

B72220T2171K105
TDK
1,500: £0.89
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
B72220T2171K105

Mouser Part No
871-B72220T2171K105

TDK

Varistors 175VAC 10% 20mm AdvanceD Thermofused

Datasheet

Non-Stocked Lead-Time 8 Weeks

£0.89

Min.: 1,500
Mult.: 1,500

Varistors 230VAC 10% 20mm AdvanceD Thermofused

B72220T2231K105
TDK
1,500: £0.899
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
B72220T2231K105

Mouser Part No
871-B72220T2231K105

TDK

Varistors 230VAC 10% 20mm AdvanceD Thermofused

Datasheet

Non-Stocked Lead-Time 8 Weeks

£0.899

£0.89

Min.: 1,500
Mult.: 1,500

Varistors 250VAC 10% 20mm AdvanceD Thermofused

B72220T2251K105
TDK
1,500: £0.89
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
B72220T2251K105

Mouser Part No
871-B72220T2251K105

TDK

Varistors 250VAC 10% 20mm AdvanceD Thermofused

Datasheet

Non-Stocked Lead-Time 8 Weeks

£0.89

Min.: 1,500
Mult.: 1,500

Varistors 275VAC 10% 20mm AdvanceD Thermofused

B72220T2271K105
TDK
1: £1.59
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
B72220T2271K105

Mouser Part No
871-B72220T2271K105

TDK

Varistors 275VAC 10% 20mm AdvanceD Thermofused

Datasheet

Non-Stocked Lead-Time 8 Weeks

£1.59

£1.19

£1.08

£0.969

View

Min.: 1
Mult.: 1

Varistors 300VAC 10% 20mm AdvanceD Thermofused

B72220T2301K105
TDK
1,500: £0.89
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
B72220T2301K105

Mouser Part No
871-B72220T2301K105

TDK

Varistors 300VAC 10% 20mm AdvanceD Thermofused

Datasheet

Non-Stocked Lead-Time 8 Weeks

£0.89

Min.: 1,500
Mult.: 1,500

Varistors 320VAC 10% 20mm AdvanceD Thermofused

B72220T2321K106
TDK
1,000: £0.89
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
B72220T2321K106

Mouser Part No
871-B72220T2321K106

TDK

Varistors 320VAC 10% 20mm AdvanceD Thermofused

Datasheet

Non-Stocked Lead-Time 8 Weeks

£0.89

£0.812

Min.: 1,000
Mult.: 1,000

Varistors 420VAC 10% 20mm AdvanceD Thermofused

B72220T2421K105
TDK
1,500: £0.89
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
B72220T2421K105

Mouser Part No
871-B72220T2421K105

TDK

Varistors 420VAC 10% 20mm AdvanceD Thermofused

Datasheet

Non-Stocked Lead-Time 8 Weeks

£0.89

Min.: 1,500
Mult.: 1,500

Varistors 460VAC 10% 20mm AdvanceD Thermofused

B72220T2461K105
TDK
1,680: £0.969
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
B72220T2461K105

Mouser Part No
871-B72220T2461K105

TDK

Varistors 460VAC 10% 20mm AdvanceD Thermofused

Datasheet

Non-Stocked Lead-Time 8 Weeks

£0.969

Min.: 1,680
Mult.: 1,680

Varistors 550VAC 10% 20mm AdvanceD Thermofused

B72220T2551K105
TDK
1,680: £0.969
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
B72220T2551K105

Mouser Part No
871-B72220T2551K105

TDK

Varistors 550VAC 10% 20mm AdvanceD Thermofused

Datasheet

Non-Stocked Lead-Time 8 Weeks

£0.969

Min.: 1,680
Mult.: 1,680

Varistors 625VAC 10% 20mm AdvanceD Thermofused

B72220T2621K105
TDK
1,680: £0.969
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
B72220T2621K105

Mouser Part No
871-B72220T2621K105

TDK

Varistors 625VAC 10% 20mm AdvanceD Thermofused

Datasheet

Non-Stocked Lead-Time 8 Weeks

£0.969

Min.: 1,680
Mult.: 1,680

Varistors 680VAC 10% 20mm AdvanceD Thermofused

B72220T2681K105
TDK
1,260: £1.05
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
B72220T2681K105

Mouser Part No
871-B72220T2681K105

TDK

Varistors 680VAC 10% 20mm AdvanceD Thermofused

Datasheet

Non-Stocked Lead-Time 8 Weeks

£1.05

Min.: 1,260
Mult.: 1,260

Varistors 320VAC 10% 20mm 3-pin ThermoFuse

B72220W2321K101
TDK
1: £1.58
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
B72220W2321K101

Mouser Part No
871-B72220W2321K101

TDK

Varistors 320VAC 10% 20mm 3-pin ThermoFuse

Datasheet

Non-Stocked Lead-Time 10 Weeks

£1.58

£1.16

£1.07

£0.925

View

Min.: 1
Mult.: 1

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

B72230M0151M401
TDK
1: £8.57
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
B72230M0151M401

Mouser Part No
871-B72230M0151M401

TDK

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

£8.57

£6.08

£6.03

£5.80

Quote

Min.: 1
Mult.: 1

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

B72230M0321M401
TDK
480: £6.15
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
B72230M0321M401

Mouser Part No
871-B72230M0321M401

TDK

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

£6.15

£6.00

£5.87

Quote

Min.: 480
Mult.: 480

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

B72230M0381M401
TDK
400: £5.99
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
B72230M0381M401

Mouser Part No
871-B72230M0381M401

TDK

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

£5.99

Quote

Min.: 400
Mult.: 400

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

B72230M0421M401
TDK
1: £8.57
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
B72230M0421M401

Mouser Part No
871-B72230M0421M401

TDK

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

£8.57

£6.73

£5.99

Quote

Min.: 1
Mult.: 1

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

B72230M0681M401
TDK
400: £6.15
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
B72230M0681M401

Mouser Part No
871-B72230M0681M401

TDK

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

£6.15

£6.00

£5.87

Min.: 400
Mult.: 400

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

B72230M0751M401
TDK
400: £5.99
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
B72230M0751M401

Mouser Part No
871-B72230M0751M401

TDK

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

£5.99

Quote

Min.: 400
Mult.: 400

Varistors 350VAC 10% 20mm AdvanceD Thermofused

B72220T2351K105
TDK
1,500: £0.89
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

£0.89

Min.: 1,500
Mult.: 1,500