KT Thermistors

Semitec USA KT Thermistors are specially processed, highly reliable, and capable of detecting temperature within relatively small time constants. These monolithic chip thermistors are available in EIA 0402 and 0603 case sizes. The KT series offers an approximate response time of 2.2s to 5s and operates in the temperature range of -40°C to +125°C. Semitec USA KT Thermistors can be face-bonded to act as thermal compensators for ICs.

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Description Datasheet Availability Pricing (AUD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
B Parameter
Resistance
Power Rating
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Mounting Style
Termination Style
Minimum Operating Temperature
Maximum Operating Temperature
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Width
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Packaging
Semitec NTC (Negative Temperature Coefficient) Thermistors 100kohm 1% 0603
Datasheet
10,746In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4,000

KT 4390 K 100 kOhms 4.5 mW 1 % PCB Mount SMD/SMT - 40 C + 125 C 0603 (1608 metric) 1.6 mm 0.8 mm 0.95 mm Reel, Cut Tape, MouseReel
Semitec NTC (Negative Temperature Coefficient) Thermistors 10K Ohms 1% 0603
Datasheet
1,119In Stock
12,000Expected 16/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 4,000

KT 3435 K 10 kOhms 4.5 mW 1 % PCB Mount SMD/SMT - 40 C + 125 C 0603 (1608 metric) 1.6 mm 0.8 mm 0.95 mm Reel, Cut Tape, MouseReel
Semitec NTC (Negative Temperature Coefficient) Thermistors 103kohm 2% 0603
Datasheet
3,993In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4,000

KT 3435 K 10 kOhms 4.5 mW 2 % PCB Mount SMD/SMT - 40 C + 125 C 0603 (1608 metric) 1.6 mm 0.8 mm 0.95 mm Reel, Cut Tape, MouseReel
Semitec NTC (Negative Temperature Coefficient) Thermistors 10kohm 3% 0603
Datasheet
290In Stock
4,000Expected 25/01/2027
MouseReel Available
Min.: 1
Mult.: 1
: 4,000

KT 3435 K 10 kOhms 4.5 mW 3 % PCB Mount SMD/SMT - 40 C + 125 C 0603 (1608 metric) 1.6 mm 0.8 mm 0.95 mm Reel, Cut Tape, MouseReel
Semitec NTC (Negative Temperature Coefficient) Thermistors 104kohm 3% 0603
Datasheet
2,468In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4,000

KT 4390 K 100 kOhms 4.5 mW 3 % PCB Mount SMD/SMT - 40 C + 125 C 0603 (1608 metric) 1.6 mm 0.8 mm 0.95 mm Reel, Cut Tape, MouseReel
Semitec NTC (Negative Temperature Coefficient) Thermistors 50kohm 1% 0603
Datasheet
6,953In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4,000

KT 4055 K 50 kOhms 4.5 mW 1 % PCB Mount SMD/SMT - 40 C + 125 C 0603 (1608 metric) 1.6 mm 0.8 mm 0.95 mm Reel, Cut Tape, MouseReel
Semitec NTC (Negative Temperature Coefficient) Thermistors 10 kohm 1% 0402
Datasheet
48,538On Order
MouseReel Available
Min.: 1
Mult.: 1
: 10,000

KT 3435 K 10 kOhms 3.5 mW 1 % PCB Mount SMD/SMT - 40 C + 125 C 0402 (1005 metric) 1 mm 0.5 mm 0.6 mm Reel, Cut Tape, MouseReel
Semitec NTC (Negative Temperature Coefficient) Thermistors 503kohm 2% 0603
Datasheet
4,000Expected 2/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 4,000

KT 50 kOhms 2 % PCB Mount SMD/SMT - 40 C + 125 C 0603 (1608 metric) 1.6 mm 0.8 mm 0.95 mm Reel, Cut Tape, MouseReel
Semitec NTC (Negative Temperature Coefficient) Thermistors 10 kOhms 2% 0402
Datasheet
Non-Stocked
Min.: 10,000
Mult.: 10,000
: 10,000

KT 10 kOhms 2 % PCB Mount SMD/SMT - 40 C + 125 C 0402 (1005 metric) 1 mm 0.5 mm 0.6 mm Reel
Semitec NTC (Negative Temperature Coefficient) Thermistors 103kohm 3% 0402
Datasheet
N/A
MouseReel Available
Min.: 1
Mult.: 1
: 10,000

KT 10 kOhms 3 % PCB Mount SMD/SMT - 40 C + 125 C 0402 (1005 metric) 1 mm 0.5 mm 0.6 mm Reel, Cut Tape, MouseReel
Semitec NTC (Negative Temperature Coefficient) Thermistors 104kohm 1% 0402
Datasheet
Non-Stocked
Min.: 10,000
Mult.: 10,000
: 10,000

KT 100 kOhms 1 % SMD/SMT - 40 C + 125 C 0402 (1005 metric) 1 mm 0.5 mm 0.6 mm Reel
Semitec NTC (Negative Temperature Coefficient) Thermistors 104kohm 2% 0603
Datasheet
N/A
MouseReel Available
Min.: 1
Mult.: 1
: 4,000

KT 100 kOhms 2 % SMD/SMT - 40 C + 125 C 0603 (1608 metric) 1.6 mm 0.8 mm 0.95 mm Reel, Cut Tape, MouseReel
Semitec NTC (Negative Temperature Coefficient) Thermistors 503kohm 1% 0402
Datasheet
Non-Stocked
Min.: 10,000
Mult.: 10,000
: 10,000

KT 50 kOhms 1 % PCB Mount SMD/SMT - 40 C + 125 C 0402 (1005 metric) 1 mm 0.5 mm 0.6 mm Reel
Semitec NTC (Negative Temperature Coefficient) Thermistors 503kohm 2% 0402
Datasheet
Non-Stocked
Min.: 10,000
Mult.: 10,000
: 10,000

KT 50 kOhms 2 % PCB Mount SMD/SMT - 40 C + 125 C 0402 (1005 metric) 1 mm 0.5 mm 0.6 mm Reel
Semitec NTC (Negative Temperature Coefficient) Thermistors 503kohm 3% 0402
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
: 10,000

KT 50 kOhms 3 % PCB Mount SMD/SMT - 40 C + 125 C 0402 (1005 metric) 1 mm 0.5 mm 0.6 mm Reel, Cut Tape, MouseReel
Semitec NTC (Negative Temperature Coefficient) Thermistors 503kohm 3% 0603
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
: 4,000

KT 50 kOhms 3 % PCB Mount SMD/SMT - 40 C + 125 C 0603 (1608 metric) 1.6 mm 0.8 mm 0.95 mm Reel, Cut Tape, MouseReel