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 3 A, 5V
onsemi Thermal Fuse +125°C 3 A, 5V
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RS Stock No.: 195-8754Brand: onsemiManufacturers Part No.: NIS6350MT2TXGHSN Code: 85412900

SR 17,526.00

SR 5.842 Each (On a Reel of 3000) (ex VAT)

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3000

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3000SR 5.842
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onsemi
+125°C
-
3 A
5V
-
NIS6350
-
0.75mm
3.1mm
3.1mm
-
-
Resettable Thermal Fuse
onsemi Thermal Fuse +125°C 1 A, 5V
onsemi Thermal Fuse +125°C 1 A, 5V
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RS Stock No.: 195-8750Brand: onsemiManufacturers Part No.: NIS6150MT2TXGHSN Code: 85412900

SR 13,489.50

SR 4.496 Each (On a Reel of 3000) (ex VAT)

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3000

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3000SR 4.496
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onsemi
+125°C
-
1 A
5V
-
NIS6150
-
0.75mm
3.1mm
3.1mm
-
-
Resettable Thermal Fuse
Limitor Thermal Fuse +99°C 15 A, 250V ac
Limitor Thermal Fuse +99°C 15 A, 250V ac
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RS Stock No.: 797-6064Brand: LimitorManufacturers Part No.: SF 094 RHSN Code: 85361050

SR 67.74

SR 6.774 Each (In a Pack of 10) (ex VAT)

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10

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10SR 6.774
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Limitor
+99°C
+84°C
15 A
250V ac
Axial
SF/R
4mm
8.5mm
8.5mm
4mm
1mm
18.5mm
Thermal Cutoff
Limitor Thermal Fuse +70°C 2.5 A, 250V ac
Limitor Thermal Fuse +70°C 2.5 A, 250V ac
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RS Stock No.: 204-7405Brand: LimitorManufacturers Part No.: Q82 A 70 05 100HSN Code: 85361010

SR 36.62

SR 36.62 Each (ex VAT)

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1

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1SR 36.62
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Limitor
+70°C
-
2.5 A
250V ac
Radial
-
-
8mm
17.5mm
4mm
0.51mm
100mm
-
Limitor Thermal Fuse +115°C 2 A, 250V ac
Limitor Thermal Fuse +115°C 2 A, 250V ac
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RS Stock No.: 176-9378Brand: LimitorManufacturers Part No.: SM 110 A0HSN Code: 85361010

SR 39.85

SR 7.97 Each (In a Pack of 5) (ex VAT)

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5

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5SR 7.97
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Limitor
+115°C
+80°C
2 A
250V ac
Axial
-
2.5mm
9mm
-
-
0.6mm
38mm
-
Limitor Thermal Fuse +167°C 15 A, 250V ac
Limitor Thermal Fuse +167°C 15 A, 250V ac
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RS Stock No.: 797-6052Brand: LimitorManufacturers Part No.: SF 167 RHSN Code: 85361050

SR 61.30

SR 6.13 Each (In a Pack of 10) (ex VAT)

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10

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10SR 6.13
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Limitor
+167°C
+153°C
15 A
250V ac
Axial
SF/R
4mm
8.5mm
8.5mm
4mm
1mm
18.5mm
Thermal Cutoff
Limitor Thermal Fuse +152°C 15 A, 250V ac
Limitor Thermal Fuse +152°C 15 A, 250V ac
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RS Stock No.: 797-6058Brand: LimitorManufacturers Part No.: SF 150 RHSN Code: 85361050

SR 67.85

SR 6.785 Each (In a Pack of 10) (ex VAT)

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10

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10SR 6.785
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Limitor
+152°C
+137°C
15 A
250V ac
Axial
SF/R
4mm
8.5mm
8.5mm
4mm
1mm
18.5mm
Thermal Cutoff
Limitor Thermal Fuse +133°C 15 A, 250V ac
Limitor Thermal Fuse +133°C 15 A, 250V ac
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RS Stock No.: 797-6055Brand: LimitorManufacturers Part No.: SF 129 RHSN Code: 85361050

SR 67.62

SR 6.762 Each (In a Pack of 10) (ex VAT)

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10SR 6.762
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Limitor
+133°C
+118°C
15 A
250V ac
Axial
SF/R
4mm
8.5mm
8.5mm
4mm
1mm
18.5mm
Thermal Cutoff
Limitor Thermal Fuse +121°C 10 A/15 A, 250V ac
Limitor Thermal Fuse +121°C 10 A/15 A, 250V ac
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RS Stock No.: 797-6042Brand: LimitorManufacturers Part No.: SF 119 RHSN Code: 85361050

SR 53.48

SR 5.348 Each (In a Pack of 10) (ex VAT)

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10SR 5.348
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Limitor
+121°C
+106°C
10 A/15 A
250V ac
Axial
SF/R
4mm
8.5mm
8.5mm
4mm
1mm
18.5mm
Thermal Cutoff
Limitor Thermal Fuse +94°C 15 A, 250V ac
Limitor Thermal Fuse +94°C 15 A, 250V ac
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RS Stock No.: 797-6049Brand: LimitorManufacturers Part No.: SF 090 RHSN Code: 85361050

SR 67.62

SR 6.762 Each (In a Pack of 10) (ex VAT)

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10

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10SR 6.762
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Limitor
+94°C
+79°C
15 A
250V ac
Axial
SF/R
4mm
8.5mm
8.5mm
4mm
1mm
18.5mm
Thermal Cutoff
Limitor Thermal Fuse +131°C 2 A, 250V ac
Limitor Thermal Fuse +131°C 2 A, 250V ac
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RS Stock No.: 176-9384Brand: LimitorManufacturers Part No.: SM125 A0HSN Code: 85361010

SR 33.98

SR 6.796 Each (In a Pack of 5) (ex VAT)

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5SR 6.796
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Limitor
+131°C
+96°C
2 A
250V ac
Axial
-
2.5mm
9mm
-
-
0.6mm
38mm
-
Limitor Thermal Fuse +102°C 3 A, 250V ac
Limitor Thermal Fuse +102°C 3 A, 250V ac
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RS Stock No.: 124-5056Brand: LimitorManufacturers Part No.: A1-3AFHSN Code: 85361010

SR 37.60

SR 7.521 Each (In a Pack of 5) (ex VAT)

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5

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5SR 7.521
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Limitor
+102°C
+40°C
3 A
250V ac
Radial
A-3A-F
-
6.3mm
6.2mm
2.5mm
0.6mm
-
Thermal Cutoff
Limitor Thermal Fuse +115°C 3 A, 250V ac
Limitor Thermal Fuse +115°C 3 A, 250V ac
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RS Stock No.: 124-5058Brand: LimitorManufacturers Part No.: A2-3AFHSN Code: 85361010

SR 30.24

SR 6.049 Each (In a Pack of 5) (ex VAT)

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5SR 6.049
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Limitor
+115°C
+78°C
3 A
250V ac
Radial
A-3A-F
-
6.3mm
6.2mm
2.5mm
0.6mm
-
Thermal Cutoff
Limitor Thermal Fuse +229°C 15 A, 250V ac
Limitor Thermal Fuse +229°C 15 A, 250V ac
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RS Stock No.: 797-6030Brand: LimitorManufacturers Part No.: SF 229 RHSN Code: 85361050

SR 67.39

SR 6.739 Each (In a Pack of 10) (ex VAT)

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10

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10SR 6.739
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Limitor
+229°C
+200°C
15 A
250V ac
Axial
SF/R
4mm
8.5mm
8.5mm
4mm
1mm
18.5mm
Thermal Cutoff
Limitor Thermal Fuse +130°C 3 A, 250V ac
Limitor Thermal Fuse +130°C 3 A, 250V ac
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RS Stock No.: 124-5060Brand: LimitorManufacturers Part No.: A4-3AFHSN Code: 85361010

SR 33.29

SR 6.658 Each (In a Pack of 5) (ex VAT)

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5

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5SR 6.658
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Limitor
+130°C
+90°C
3 A
250V ac
Radial
A-3A-F
-
6.3mm
6.2mm
2.5mm
0.6mm
-
Thermal Cutoff
Limitor Thermal Fuse +150°C 5 A, 250V ac
Limitor Thermal Fuse +150°C 5 A, 250V ac
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RS Stock No.: 124-5062Brand: LimitorManufacturers Part No.: A8-5AFHSN Code: 85361010

SR 38.18

SR 7.636 Each (In a Pack of 5) (ex VAT)

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5

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5SR 7.636
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Limitor
+150°C
+105°C
5 A
250V ac
Radial
A-5A-F
-
8mm
6.6mm
2.6mm
0.6mm
-
Thermal Cutoff
Limitor Thermal Fuse +90°C 2.5 A, 250V ac
Limitor Thermal Fuse +90°C 2.5 A, 250V ac
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RS Stock No.: 176-9154Brand: LimitorManufacturers Part No.: P82 90 05100HSN Code: 85361010

SR 40.01

SR 40.01 Each (ex VAT)

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1

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1SR 40.01
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Limitor
+90°C
-
2.5 A
250V ac
Radial
-
-
8mm
17.5mm
4mm
0.51mm
100mm
-
Limitor Thermal Fuse +130°C 5 A, 250V ac
Limitor Thermal Fuse +130°C 5 A, 250V ac
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RS Stock No.: 124-5061Brand: LimitorManufacturers Part No.: A4-5AFHSN Code: 85361010

SR 38.18

SR 7.636 Each (In a Pack of 5) (ex VAT)

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5

Available in multiples of 5
5SR 7.636
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Limitor
+130°C
+90°C
5 A
250V ac
Radial
A-5A-F
-
8mm
6.6mm
2.6mm
0.6mm
-
Thermal Cutoff
Limitor Thermal Fuse +90°C 2.5 A, 250V ac
Limitor Thermal Fuse +90°C 2.5 A, 250V ac
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RS Stock No.: 204-7433Brand: LimitorManufacturers Part No.: Q82 A 90 05 100HSN Code: 85361010

SR 45.85

SR 45.85 Each (ex VAT)

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1SR 45.85
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Limitor
+90°C
-
2.5 A
250V ac
Radial
-
-
8mm
17.5mm
4mm
0.51mm
100mm
-
Limitor Thermal Fuse +100°C 2.5 A, 250V ac
Limitor Thermal Fuse +100°C 2.5 A, 250V ac
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RS Stock No.: 176-9160Brand: LimitorManufacturers Part No.: P82 100 05100HSN Code: 85361010

SR 37.28

SR 37.28 Each (ex VAT)

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1

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1SR 37.28
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Limitor
+100°C
-
2.5 A
250V ac
Radial
-
-
8mm
17.5mm
4mm
0.51mm
100mm
-