Thermal Fuses

Thermal fuses, also called thermal cutoffs, are a safety device used in electrical circuits to provide protection against appliances overheating. Thermal fuses are normally supplied in an axial or radial package, although some thermal fuses are now available as a chip.

How do thermal fuses work?

Thermal fuses work in a similar way to electrical cartridge fuses; when the conditions...

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onsemi Thermal Fuse 125 °C, 1.2 A, 5 V
RS Stock No.195-8748BrandonsemiManufacturers Part No.NIS6150MT1TXG

BD 1,258.884

BD 0.419 Each (On a Reel of 3000) (Exc. Vat)

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onsemi
125°C
-
-
-
1.2 A
5 V
-
-
NIS6150
0.75mm
0.4mm
3.1 mm
-
RoHS
0.25mm
onsemi Thermal Fuse 125 °C, 3 A, 5 V
RS Stock No.195-8754BrandonsemiManufacturers Part No.NIS6350MT2TXG

BD 1,583.142

BD 0.528 Each (On a Reel of 3000) (Exc. Vat)

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onsemi
125°C
-
-
-
3 A
5 V
-
-
NIS6350
0.75mm
0.4mm
3.1 mm
-
RoHS
0.25mm
onsemi Thermal Fuse 125 °C, 1.2 A, 5 V
RS Stock No.195-8750BrandonsemiManufacturers Part No.NIS6150MT2TXG

BD 1,220.736

BD 0.407 Each (On a Reel of 3000) (Exc. Vat)

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onsemi
125°C
-
-
-
1.2 A
5 V
-
-
NIS6150
0.75mm
-
3.1 mm
-
RoHS
-
Limitor Thermal Fuse 99 °C, 15 A, 250 V ac
RS Stock No.797-6064BrandLimitorManufacturers Part No.SF 094 R

BD 6.104

BD 0.610 Each (In a Pack of 10) (Exc. Vat)

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Limitor
99°C
-
84°C
-
15 A
250 V ac
-
Axial
SF/R
8.5mm
-
4 mm
4 mm
UL, CCC, VDE
-
Limitor Thermal Fuse 70 °C, 2.5 A, 250 V ac
RS Stock No.204-7405BrandLimitorManufacturers Part No.Q82 A 70 05 100

BD 3.268

BD 3.268 Each (Exc. Vat)

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Limitor
70°C
-
-
-
2.5 A
250 V ac
-
Radial
Q82
8mm
100mm
4 mm
-
UL, SEV, VDE
0.51mm
Limitor Thermal Fuse 115 °C, 2 A, 250 V ac
RS Stock No.176-9378BrandLimitorManufacturers Part No.SM 110 A0

BD 3.561

BD 0.712 Each (In a Pack of 5) (Exc. Vat)

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Limitor
115°C
-
80°C
-
2 A
250 V ac
-
Axial
SM
9mm
38mm
2.5 mm
2.5 mm
VDE, UL, SEV, CSA, BEAB
0.6mm
Limitor Thermal Fuse 167 °C, 15 A, 250 V ac
RS Stock No.797-6052BrandLimitorManufacturers Part No.SF 167 R

BD 5.468

BD 0.547 Each (In a Pack of 10) (Exc. Vat)

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Limitor
167°C
-
153°C
-
15 A
250 V ac
-
Axial
SF/R
8.5mm
-
4 mm
4 mm
CCC, VDE, UL
-
Limitor Thermal Fuse 152 °C, 15 A, 250 V ac
RS Stock No.797-6058BrandLimitorManufacturers Part No.SF 150 R

BD 6.104

BD 0.610 Each (In a Pack of 10) (Exc. Vat)

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Limitor
152°C
-
137°C
-
15 A
250 V ac
-
Axial
SF/R
8.5mm
-
4 mm
4 mm
CCC, VDE, UL
-
Limitor Thermal Fuse 133 °C, 15 A, 250 V ac
RS Stock No.797-6055BrandLimitorManufacturers Part No.SF 129 R

BD 6.040

BD 0.604 Each (In a Pack of 10) (Exc. Vat)

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Limitor
133°C
-
118°C
-
15 A
250 V ac
-
Axial
SF/R
8.5mm
-
4 mm
4 mm
VDE, UL, CCC
-
Limitor Thermal Fuse 121 °C, 15 A, 250 V ac
RS Stock No.797-6042BrandLimitorManufacturers Part No.SF 119 R

BD 4.769

BD 0.477 Each (In a Pack of 10) (Exc. Vat)

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Limitor
121°C
-
106°C
-
15 A
250 V ac
-
Axial
SF/R
8.5mm
-
4 mm
4 mm
VDE, UL, CCC
-
Limitor Thermal Fuse 94 °C, 15 A, 250 V ac
RS Stock No.797-6049BrandLimitorManufacturers Part No.SF 090 R

BD 6.040

BD 0.604 Each (In a Pack of 10) (Exc. Vat)

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Limitor
94°C
-
79°C
-
15 A
250 V ac
-
Axial
SF/R
8.5mm
-
4 mm
4 mm
VDE, CCC, UL
-
Limitor Thermal Fuse 131 °C, 2 A, 250 V ac
RS Stock No.176-9384BrandLimitorManufacturers Part No.SM125 A0

BD 3.051

BD 0.610 Each (In a Pack of 5) (Exc. Vat)

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Limitor
131°C
-
96°C
-
2 A
250 V ac
-
Axial
SM
9mm
38mm
2.5 mm
2.5 mm
UL, SEV, VDE, BEAB, CSA
0.6mm
Limitor Thermal Fuse 102 °C, 3 A, 250 V ac
RS Stock No.124-5056BrandLimitorManufacturers Part No.A1-3AF

BD 3.369

BD 0.674 Each (In a Pack of 5) (Exc. Vat)

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Limitor
102°C
-
40°C
-
3 A
250 V ac
-
Radial
A-3A-F
6.3mm
-
2.5 mm
-
UL, CCC, PSE, VDE, cUL
0.6mm
Limitor Thermal Fuse 115 °C, 3 A, 250 V ac
RS Stock No.124-5058BrandLimitorManufacturers Part No.A2-3AF

BD 2.702

BD 0.540 Each (In a Pack of 5) (Exc. Vat)

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Limitor
115°C
-
78°C
-
3 A
250 V ac
-
Radial
A-3A-F
6.3mm
-
2.5 mm
-
cUL, CCC, PSE, UL, VDE
0.6mm
Limitor Thermal Fuse 229 °C, 15 A, 250 V ac
RS Stock No.797-6030BrandLimitorManufacturers Part No.SF 229 R

BD 6.040

BD 0.604 Each (In a Pack of 10) (Exc. Vat)

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Limitor
229°C
-
200°C
-
15 A
250 V ac
-
Axial
SF/R
8.5mm
-
4 mm
4 mm
VDE, UL, CCC
-
Limitor Thermal Fuse 130 °C, 3 A, 250 V ac
RS Stock No.124-5060BrandLimitorManufacturers Part No.A4-3AF

BD 3.021

BD 0.604 Each (In a Pack of 5) (Exc. Vat)

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Limitor
130°C
-
90°C
-
3 A
250 V ac
-
Radial
A-3A-F
6.3mm
-
2.5 mm
-
VDE, CCC, PSE, UL, cUL
0.6mm
Limitor Thermal Fuse 150 °C, 5 A, 250 V ac
RS Stock No.124-5062BrandLimitorManufacturers Part No.A8-5AF

BD 3.401

BD 0.680 Each (In a Pack of 5) (Exc. Vat)

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Limitor
150°C
-
105°C
-
5 A
250 V ac
-
Radial
A-5A-F
8mm
-
2.6 mm
-
VDE, cUL, UL, PSE, CCC
0.6mm
Limitor Thermal Fuse 90 °C, 2.5 A, 250 V ac
RS Stock No.176-9154BrandLimitorManufacturers Part No.P82 90 05100

BD 3.573

BD 3.573 Each (Exc. Vat)

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Limitor
90°C
-
-
-
2.5 A
250 V ac
-
Radial
P82
8mm
100mm
4 mm
-
VDE, CSA, UL, BEAB, SEV
0.51mm
Limitor Thermal Fuse 130 °C, 5 A, 250 V ac
RS Stock No.124-5061BrandLimitorManufacturers Part No.A4-5AF

BD 3.401

BD 0.680 Each (In a Pack of 5) (Exc. Vat)

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Limitor
130°C
-
90°C
-
5 A
250 V ac
-
Radial
A-5A-F
8mm
-
2.6 mm
-
PSE, UL, VDE, cUL, CCC
0.6mm
Limitor Thermal Fuse 90 °C, 2.5 A, 250 V ac
RS Stock No.204-7433BrandLimitorManufacturers Part No.Q82 A 90 05 100

BD 4.407

BD 4.407 Each (Exc. Vat)

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Limitor
90°C
-
-
-
2.5 A
250 V ac
-
Radial
Q82
8mm
100mm
4 mm
-
UL, SEV, VDE
0.51mm