Circuit Protection – Mouser Israel

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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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Types of Circuit Protection

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Part #

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

B72230M0151M401
EPCOS / TDK
1: $10.93
495In Stock

Mfr. Part No.
B72230M0151M401

Mouser Part No
871-B72230M0151M401

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

Datasheet

495In Stock

$10.93

$8.55

$7.71

$7.25

View

Min.: 1
Mult.: 1

Varistors 300VAC 10% 20mm 2-pin ThermoFuse

B72220R2301K101
EPCOS / TDK
1: $1.22
1,748In Stock

Mfr. Part No.
B72220R2301K101

Mouser Part No
871-B72220R2301K101

Varistors 300VAC 10% 20mm 2-pin ThermoFuse

Datasheet

1,748In Stock

$1.22

$1.03

$0.979

$0.911

View

Min.: 1
Mult.: 1

Industrial Surge Protectors 510V 25kA 10% 4pin 30mm

B72230M0511M401
EPCOS / TDK
1: $13.12
58In Stock

Mfr. Part No.
B72230M0511M401

Mouser Part No
871-B72230M0511M401

Industrial Surge Protectors 510V 25kA 10% 4pin 30mm

Datasheet

58In Stock

$13.12

$10.22

$9.09

$7.01

View

Min.: 1
Mult.: 1

Varistors 150V 14mm 2pin ThermoFuse Varistor

B72214R2151K101
EPCOS / TDK
1: $1.05
1,058In Stock

Mfr. Part No.
B72214R2151K101

Mouser Part No
871-B72214R2151K101

Varistors 150V 14mm 2pin ThermoFuse Varistor

Datasheet

1,058In Stock

$1.05

$0.857

$0.809

$0.776

View

Min.: 1
Mult.: 1

Varistors 320VAC 10% 20mm 2-pin ThermoFuse

B72220R2321K101
EPCOS / TDK
1: $1.25
794In Stock

Mfr. Part No.
B72220R2321K101

Mouser Part No
871-B72220R2321K101

Varistors 320VAC 10% 20mm 2-pin ThermoFuse

Datasheet

794In Stock

$1.25

$1.05

$0.998

$0.936

View

Min.: 1
Mult.: 1

Industrial Surge Protectors 550V 25kA 10% 4pin 30mm

B72230M0551M401
EPCOS / TDK
1: $11.09
349In Stock

Mfr. Part No.
B72230M0551M401

Mouser Part No
871-B72230M0551M401

Industrial Surge Protectors 550V 25kA 10% 4pin 30mm

Datasheet

349In Stock

$11.09

$8.68

$7.70

$7.08

View

Min.: 1
Mult.: 1

Varistors 510VAC 10% 20mm AdvanceD Thermofused

B72220T2511K105
EPCOS / TDK
1: $2.42
1,539In Stock

Mfr. Part No.
B72220T2511K105

Mouser Part No
871-B72220T2511K105

Varistors 510VAC 10% 20mm AdvanceD Thermofused

Datasheet

1,539In Stock

$2.42

$1.69

$1.63

$1.51

View

Min.: 1
Mult.: 1

Varistors 320VAC 10% 20mm AdvanceD Thermofused

B72220T2321K105
EPCOS / TDK
1: $1.95
2,355In Stock

Mfr. Part No.
B72220T2321K105

Mouser Part No
871-B72220T2321K105

Varistors 320VAC 10% 20mm AdvanceD Thermofused

Datasheet

2,355In Stock

$1.95

$1.44

$1.32

$1.18

View

Min.: 1
Mult.: 1

Varistors 275V 14mm 2pin ThermoFuse Varistor

B72214R2271K101
EPCOS / TDK
1: $1.35
1,032In Stock

Mfr. Part No.
B72214R2271K101

Mouser Part No
871-B72214R2271K101

Varistors 275V 14mm 2pin ThermoFuse Varistor

Datasheet

1,032In Stock

$1.35

$0.982

$0.891

$0.776

View

Min.: 1
Mult.: 1

Varistors 175VAC 10% 14mm AdvanceD Thermofused

B72214T2171K105
EPCOS / TDK
1: $1.51
489In Stock

Mfr. Part No.
B72214T2171K105

Mouser Part No
871-B72214T2171K105

Varistors 175VAC 10% 14mm AdvanceD Thermofused

Datasheet

489In Stock

$1.51

$1.11

$1.01

$0.877

View

Min.: 1
Mult.: 1

Varistors 275VAC 10% 20mm 3-pin ThermoFuse

B72220W2271K101
EPCOS / TDK
1: $1.73
239In Stock

Mfr. Part No.
B72220W2271K101

Mouser Part No
871-B72220W2271K101

Varistors 275VAC 10% 20mm 3-pin ThermoFuse

Datasheet

239In Stock

$1.73

$1.28

$1.16

$1.01

View

Min.: 1
Mult.: 1

Varistors 300V 14mm 2pin ThermoFuse Varistor

B72214R2301K101
EPCOS / TDK
1: $1.35
987Expected 13/04/2026

Mfr. Part No.
B72214R2301K101

Mouser Part No
871-B72214R2301K101

Varistors 300V 14mm 2pin ThermoFuse Varistor

Datasheet

987Expected 13/04/2026

$1.35

$0.982

$0.891

$0.873

View

Min.: 1
Mult.: 1

Varistors 130VAC 10% 20mm 3-pin ThermoFuse

B72220W2131K101
EPCOS / TDK
1: $1.73
600Expected 23/02/2026

Mfr. Part No.
B72220W2131K101

Mouser Part No
871-B72220W2131K101

Varistors 130VAC 10% 20mm 3-pin ThermoFuse

Datasheet

600Expected 23/02/2026

$1.73

$1.28

$1.16

$1.01

View

Min.: 1
Mult.: 1

Varistors 320V 14mm 2pin ThermoFuse Varistor

B72214R2321K101
EPCOS / TDK
1: $1.35
Lead-Time 10 Weeks

Mfr. Part No.
B72214R2321K101

Mouser Part No
871-B72214R2321K101

Varistors 320V 14mm 2pin ThermoFuse Varistor

Datasheet

Lead-Time 10 Weeks

$1.35

$0.982

$0.891

$0.815

View

Min.: 1
Mult.: 1

Varistors 150VAC 10% 14mm AdvanceD Thermofused

B72214T2151K105
EPCOS / TDK
1,960: $0.832
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
B72214T2151K105

Mouser Part No
871-B72214T2151K105

Varistors 150VAC 10% 14mm AdvanceD Thermofused

Datasheet

Non-Stocked Lead-Time 8 Weeks

$0.832

$0.773

$0.744

Min.: 1,960
Mult.: 980

Varistors 175VAC 10% 14mm AdvanceD Thermofused

B72214T2171K106
EPCOS / TDK
1,960: $0.758
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
B72214T2171K106

Mouser Part No
871-B72214T2171K106

Varistors 175VAC 10% 14mm AdvanceD Thermofused

Datasheet

Non-Stocked Lead-Time 8 Weeks

$0.758

Min.: 1,960
Mult.: 980

Varistors 300VAC 10% 14mm AdvanceD Thermofused

B72214T2301K106
EPCOS / TDK
1,960: $0.758
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
B72214T2301K106

Mouser Part No
871-B72214T2301K106

Varistors 300VAC 10% 14mm AdvanceD Thermofused

Datasheet

Non-Stocked Lead-Time 8 Weeks

$0.758

Min.: 1,960
Mult.: 980

Varistors 300VAC 10% 14mm AdvanceD Thermofused

B72214T2301K108
EPCOS / TDK
1,680: $0.763
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
B72214T2301K108

Mouser Part No
871-B72214T2301K108

Varistors 300VAC 10% 14mm AdvanceD Thermofused

Datasheet

Non-Stocked Lead-Time 8 Weeks

$0.763

$0.759

Min.: 1,680
Mult.: 560

Varistors 320VAC 10% 14mm AdvanceD Thermofused

B72214T2321K106
EPCOS / TDK
1,960: $0.583
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
B72214T2321K106

Mouser Part No
871-B72214T2321K106

Varistors 320VAC 10% 14mm AdvanceD Thermofused

Datasheet

Non-Stocked Lead-Time 8 Weeks

$0.583

$0.581

Min.: 1,960
Mult.: 980

Varistors 320VAC 10% 14mm 3-pin ThermoFuse

B72214W2321K101
EPCOS / TDK
1,000: $0.724
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
B72214W2321K101

Mouser Part No
871-B72214W2321K101

Varistors 320VAC 10% 14mm 3-pin ThermoFuse

Datasheet

Non-Stocked Lead-Time 10 Weeks

$0.724

$0.697

$0.682

Min.: 1,000
Mult.: 200

Varistors 380VAC 10% 14mm 3-pin ThermoFuse

B72214W2381K101
EPCOS / TDK
1,000: $0.724
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
B72214W2381K101

Mouser Part No
871-B72214W2381K101

Varistors 380VAC 10% 14mm 3-pin ThermoFuse

Datasheet

Non-Stocked Lead-Time 10 Weeks

$0.724

$0.697

$0.682

Min.: 1,000
Mult.: 200

Varistors 130VAC 10% 20mm 2-pin ThermoFuse

B72220R2131K101
EPCOS / TDK
1: $1.66
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
B72220R2131K101

Mouser Part No
871-B72220R2131K101

Varistors 130VAC 10% 20mm 2-pin ThermoFuse

Datasheet

Non-Stocked Lead-Time 10 Weeks

$1.66

$1.22

$1.11

$0.958

View

Min.: 1
Mult.: 1

Varistors 150VAC 10% 20mm 2-pin ThermoFuse

B72220R2151K101
EPCOS / TDK
1: $1.66
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
B72220R2151K101

Mouser Part No
871-B72220R2151K101

Varistors 150VAC 10% 20mm 2-pin ThermoFuse

Datasheet

Non-Stocked Lead-Time 10 Weeks

$1.66

$1.22

$1.11

$0.958

View

Min.: 1
Mult.: 1

Varistors 250VAC 10% 20mm 2-pin ThermoFuse

B72220R2251K101
EPCOS / TDK
1: $1.66
Lead-Time 10 Weeks

Mfr. Part No.
B72220R2251K101

Mouser Part No
871-B72220R2251K101

Varistors 250VAC 10% 20mm 2-pin ThermoFuse

Datasheet

Lead-Time 10 Weeks

$1.66

$1.22

$1.11

$0.958

View

Min.: 1
Mult.: 1

Varistors 275VAC 10% 20mm 2-pin ThermoFuse

B72220R2271K101
EPCOS / TDK
1: $1.66
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
B72220R2271K101

Mouser Part No
871-B72220R2271K101

Varistors 275VAC 10% 20mm 2-pin ThermoFuse

Datasheet

Non-Stocked Lead-Time 10 Weeks

$1.66

$1.22

$1.11

$0.95

View

Min.: 1
Mult.: 1