About Thermal Cut-offs

Thermal Cut-offs

Thermal cut-offs are safety devices that are used to protect circuits and equipment from overheating and potential fire hazards by shutting off electricity when temperatures get too high. They are usually mounted on the electrical component itself, such as the wiring or connection box. Thermal cut-offs will monitor and respond to changes in temperature, and when they detect a temperature that is outside of the predetermined range they will trigger a switch to shut off the electricity. Thermal cut-offs can be made from circuits, resistors, metal alloys, and semiconductors, but the most common are bimetallic strips. These are made out of two layers of different metals that will bend when exposed to heat, and the bending of the strip will trigger a switch to shut off the electricity flow.

Thermal Cut-offs

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(Ex. GST)(▲▼)		Enter Qty Contact RatingRated TemperatureMaximum TemperatureMaximum VoltageMinimum Holding VoltageResistanceMaximum Breaking CurrentMaximum Leakage CurrentLengthWidthHeightApprovalsSeriesPackaging
  
                  
Hot SC77AAA


Thermal Cutoffs 77C Reinforced Cover SMD HC TCO
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Bourns 4776
Ships to you
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USD 0.5285
Multiples of: 1

25 A+ 77 C  3 V5 mOhms 200 mA4.4 mm2.8 mm1.07 mm ScCut Tape
HC77AY-1


Bourns Thermal Cutoffs TRIP TEMP 77C 5C TOL
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Bourns 4688
Ships to you
between Fri. 10 May to Wed. 15 May Calender.png

USD 0.2507
Multiples of: 1

9 Vdc / 25 A, 6000 Cycles+ 77 C 28 VDC / 25 a , 100 cycles3 VDC5 mOhms5 VDC / 80 a , 100 cycles200 mA5.8 mm3.75 mm1.15 mmUl, Cul, TuvHcBulk
Hot NR72CB0


Thermal Cutoff (TCO) AC DC 12 A 72°C (162°F) Nonstandard
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Bourns 4498
Ships to you
between Fri. 10 May to Wed. 15 May Calender.png

USD 0.3096
Multiples of: 1

12 Vdc / 12 A, 6000 Cycles+ 72 C 28 VDC / 12 A , 100 cycles2 VDC15 mOhms5 VDC / 30 A , 100 cycles150 mA4.8 mm2.8 mm0.89 mmUl, Cul, TuvNr - CBulk
GX709S


SOT-23-5 Thermostat Switches ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

GXCAS 4300
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USD 0.2406
Multiples of: 1

              
HC77AY-B


SMD,2.7x5.8mm Thermostat Switches ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Bourns 3895
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between Fri. 10 May to Wed. 15 May Calender.png

USD 0.2986
Multiples of: 1

              
SC82AAA


Thermal Cutoffs 82C Reinforced Cover SMD HC TCO
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Bourns 3884
Ships to you
between Fri. 26 Apr to Thu. 02 May Calender.png

USD 0.263
Multiples of: 1

25 A+ 82 C  3 V5 mOhms 200 mA4.4 mm2.8 mm1.07 mm ScCut Tape
HC85AY-1


Bourns Thermal Cutoffs TRIP TEMP 85C 5C TOL
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Bourns 3445
Ships to you
between Fri. 26 Apr to Thu. 02 May Calender.png

USD 0.0633
Multiples of: 1

9 Vdc / 25 A, 6000 Cycles+ 85 C 28 VDC / 25 a , 100 cycles3 VDC5 mOhms5 VDC / 80 a , 100 cycles200 mA5.8 mm3.75 mm1.15 mmUl, Cul, TuvHcBulk
P-TCO-N450/12-2


Thermal Cutoffs 12V 4.5A
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Bourns 3400
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between Fri. 26 Apr to Thu. 02 May Calender.png

USD 0.4676
Multiples of: 1

50 Amps+ 23 C+ 100 C  14 mOhms  3.5 mm1.8 mm1.1 mm P - Tco - NCut Tape
SA85SB0


Thermal Cutoffs HC TCO 85C BL-51
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Bourns 3400
Ships to you
between Thu. 02 May to Mon. 06 May Calender.png

USD 0.5152
Multiples of: 1

9 Vdc / 25 A, 6000 Cycles+ 85 C+ 85 C28 VDC / 25 a , 100 cycles3 VDC7 mOhms5 VDC / 60 a , 100 cycles200 mA5.4 mm3.2 mm1.17 mmUl, Cul, TuvSaCut Tape
P-TCO-U400/12-2


Thermal Cutoffs 12V 4.0A
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Bourns 3342
Ships to you
between Fri. 26 Apr to Thu. 02 May Calender.png

USD 0.1271
Multiples of: 1

4 A+ 23 C+ 95 C  18 mOhms  3.43 mm2.8 mm1.1 mm P - Tco - UCut Tape
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