NTC (Negative Temperature Coefficient) Thermistors

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Leaded Thermistors

Littelfuse Leaded Thermistors offer a 100Ω to 100,000Ω resistance range, up to ±10% resistance tolerance, and high accuracy. These thermistors feature special lead materials and lengths, special encapsulants or probe housings, and fast thermal response. Littelfuse Leaded Thermistors are designed specifically for temperature sensing and control applications.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) Filter the results in the table by unit price based on your quantity.	Qty.	Series	B Parameter	Resistance	Tolerance	Mounting Style	Termination Style	Minimum Operating Temperature	Maximum Operating Temperature	Diameter	Length	Width	Height	Packaging
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1K OHM 1.0C BEAD PX102E3 Littelfuse 1: $2.60 226In Stock	Mfr. Part No. PX102E3 Mouser Part No 803-PX102E3	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1K OHM 1.0C BEAD Learn More about Littelfuse leaded thermistors	Datasheet	226In Stock	$2.60 $2.00 $1.67 $1.63 View $1.48 $1.44 $1.31 $1.27 $1.18	Min.: 1 Mult.: 1	PX	3263 K	1 kOhms	1 C	PCB Mount	Radial	- 80 C	+ 150 C	0.095 in	1.5 in	0.095 in	0.095 in	Bulk
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 20K OHM 0.2C BEAD PT203J2 Littelfuse 1: $3.20 105In Stock	Mfr. Part No. PT203J2 Mouser Part No 803-PT203J2	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 20K OHM 0.2C BEAD Learn More about Littelfuse leaded thermistors	Datasheet	105In Stock	$3.20 $2.61 $2.12 $1.97 View $1.88 $1.56 $1.54	Min.: 1 Mult.: 1	PT	3892 K	20 kOhms	0.2 C	PCB Mount	Radial	- 80 C	+ 150 C	0.095 in	1.5 in	0.095 in	0.095 in	Bulk
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 3K OHM 0.5C BEAD PW302J2 Littelfuse 1: $2.96 153In Stock	Mfr. Part No. PW302J2 Mouser Part No 803-PW302J2	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 3K OHM 0.5C BEAD Learn More about Littelfuse leaded thermistors	Datasheet	153In Stock	$2.96 $2.28 $1.90 $1.86 View $1.70 $1.37 $1.36	Min.: 1 Mult.: 1	PW	3892 K	3 kOhms	0.5 C	PCB Mount	Radial	- 80 C	+ 150 C	0.095 in	1.5 in	0.095 in	0.095 in	Bulk
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 100K OHM 0.5C BEAD PW104J2 Littelfuse 1: $2.37 284In Stock	Mfr. Part No. PW104J2 Mouser Part No 803-PW104J2	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 100K OHM 0.5C BEAD Learn More about Littelfuse leaded thermistors	Datasheet	284In Stock	$2.37 $2.26 $1.90 $1.86 View $1.73 $1.69 $1.44 $1.39 $1.31	Min.: 1 Mult.: 1	PW	3892 K	100 kOhms	0.5 C	PCB Mount	Radial	- 80 C	+ 150 C	0.095 in	1.5 in	0.095 in	0.095 in	Bulk
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 20K OHM 0.5C BEAD PW203J2 Littelfuse 1: $2.96 33In Stock	Mfr. Part No. PW203J2 Mouser Part No 803-PW203J2	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 20K OHM 0.5C BEAD Learn More about Littelfuse leaded thermistors	Datasheet	33In Stock	$2.96 $2.28 $1.90 $1.86 View $1.70 $1.65 $1.50 $1.43 $1.35	Min.: 1 Mult.: 1	PW	3892 K	20 kOhms	0.5 C	PCB Mount	Radial	- 80 C	+ 150 C	0.095 in	1.5 in	0.095 in	0.095 in	Bulk
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 100K OHM 0.5C BEAD PW104R2 Littelfuse 1: $3.35 337In Stock	Mfr. Part No. PW104R2 Mouser Part No 803-PW104R2	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 100K OHM 0.5C BEAD Learn More about Littelfuse leaded thermistors	Datasheet	337In Stock	$3.35 $2.73 $2.22 $2.07 View $1.96 $1.85 $1.54	Min.: 1 Mult.: 1	PW	4140 K	100 kOhms	0.5 C	PCB Mount	Radial	- 80 C	+ 150 C	0.095 in	1.5 in	0.095 in	0.095 in	Bulk
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 30K OHM 1.0C BEAD PX303J2 Littelfuse 1: $2.60 191In Stock	Mfr. Part No. PX303J2 Mouser Part No 803-PX303J2	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 30K OHM 1.0C BEAD Learn More about Littelfuse leaded thermistors	Datasheet	191In Stock	$2.60 $2.00 $1.67 $1.63 View $1.48 $1.30 $1.29	Min.: 1 Mult.: 1	PX	3892 K	30 kOhms	1 C	PCB Mount	Radial	- 80 C	+ 150 C	0.095 in	1.5 in	0.095 in	0.095 in	Bulk
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 30K OHM 0.5C BEAD PW303J2 Littelfuse 1: $2.68 100In Stock	Mfr. Part No. PW303J2 Mouser Part No 803-PW303J2	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 30K OHM 0.5C BEAD Learn More about Littelfuse leaded thermistors	Datasheet	100In Stock	$2.68 $2.07 $1.73 $1.69 View $1.54 $1.35 $1.29 $1.19	Min.: 1 Mult.: 1	PW	3892 K	30 kOhms	0.5 C	PCB Mount	Radial	- 80 C	+ 150 C	0.095 in	1.5 in	0.095 in	0.095 in	Bulk
NTC (Negative Temperature Coefficient) Thermistors 10K OHM .2% DEG C INTRCHGBL PT103G2 Littelfuse 1: $3.43 3,960In Stock 7,500On Order	Mfr. Part No. PT103G2 Mouser Part No 803-PT103G2	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors 10K OHM .2% DEG C INTRCHGBL Learn More about Littelfuse leaded thermistors	Datasheet	3,960In Stock 7,500On Order On Order Ship Dates Mfr. No: PT103G2 Stock: 3,960 Can Dispatch Immediately On Order: 1,500 Expected 23/11/2026 6,000 Expected 11/1/2027 Factory Lead Time: 21 Weeks	$3.43 $2.84 $2.61 $2.50 View $2.41 $2.20 $2.14 $1.99	Min.: 1 Mult.: 1	PT	3575 K	10 kOhms	0.2 C	PCB Mount	Radial	- 80 C	+ 150 C	0.095 in	1.5 in	0.095 in	0.095 in	Bulk
NTC (Negative Temperature Coefficient) Thermistors 10K OHM .2% DEG C INTRCHGBL PT103J2 Littelfuse 1: $2.39 2,397In Stock 17,500On Order	Mfr. Part No. PT103J2 Mouser Part No 803-PT103J2	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors 10K OHM .2% DEG C INTRCHGBL Learn More about Littelfuse leaded thermistors	Datasheet	2,397In Stock 17,500On Order On Order Ship Dates Mfr. No: PT103J2 Stock: 2,397 Can Dispatch Immediately On Order: 500 Expected 30/12/2026 8,000 Expected 9/2/2027 9,000 Expected 8/4/2027 Factory Lead Time: 22 Weeks	$2.39 $2.27 $2.12 $2.00 View $1.84 $1.69 $1.63 $1.52	Min.: 1 Mult.: 1	PT	3892 K	10 kOhms	0.2 C	PCB Mount	Radial	- 80 C	+ 150 C	0.095 in	1.5 in	0.095 in	0.095 in	Bulk
NTC (Negative Temperature Coefficient) Thermistors 2.2K OHM .2% DEG C INTRCHGBL PT222J2 Littelfuse 1: $2.39 718In Stock	Mfr. Part No. PT222J2 Mouser Part No 803-PT222J2	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors 2.2K OHM .2% DEG C INTRCHGBL Learn More about Littelfuse leaded thermistors	Datasheet	718In Stock	$2.39 $2.27 $2.12 $2.03 View $1.93 $1.90 $1.63 $1.52	Min.: 1 Mult.: 1	PT	3892 K	2.252 kOhms	0.2 C	PCB Mount	Radial	- 80 C	+ 150 C	0.095 in	1.5 in	0.095 in	0.095 in	Bulk
NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, U.S. SENS PT303J2 Littelfuse 1: $2.39 753In Stock	Mfr. Part No. PT303J2 Mouser Part No 803-PT303J2	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, U.S. SENS Learn More about Littelfuse leaded thermistors	Datasheet	753In Stock	$2.39 $2.27 $2.12 $2.00 View $1.92 $1.75 $1.56	Min.: 1 Mult.: 1	PT	3892 K	30 kOhms	0.2 C	PCB Mount	Radial	- 80 C	+ 150 C	0.095 in	1.5 in	0.095 in	0.095 in	Bulk
NTC (Negative Temperature Coefficient) Thermistors 5K OHM .2% DEG C INTRCHGBL PT502J2 Littelfuse 1: $2.26 1,133In Stock	Mfr. Part No. PT502J2 Mouser Part No 803-PT502J2	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors 5K OHM .2% DEG C INTRCHGBL Learn More about Littelfuse leaded thermistors	Datasheet	1,133In Stock	$2.26 $2.15 $2.03 $1.93 View $1.85 $1.73 $1.67 $1.50	Min.: 1 Mult.: 1	PT	3892 K	5 kOhms	0.2 C	PCB Mount	Radial	- 80 C	+ 150 C	0.095 in	1.5 in	0.095 in	0.095 in	Bulk
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 10K OHM 1.0C BEAD PX103J2 Littelfuse 1: $1.75 223In Stock	Mfr. Part No. PX103J2 Mouser Part No 803-PX103J2	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 10K OHM 1.0C BEAD Learn More about Littelfuse leaded thermistors	Datasheet	223In Stock	$1.75 $1.67 $1.58 $1.50 View $1.36 $1.29 $1.25 $1.16	Min.: 1 Mult.: 1	PX	3892 K	10 kOhms	1 C	PCB Mount	Radial	- 80 C	+ 150 C	0.095 in	1.5 in	0.095 in	0.095 in	Bulk
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1K OHM 0.2C BEAD PT102J2 Littelfuse 1: $7.56 100In Stock	Mfr. Part No. PT102J2 Mouser Part No 803-PT102J2	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1K OHM 0.2C BEAD Learn More about Littelfuse leaded thermistors	Datasheet	100In Stock	$7.56 $6.72 $6.05 $5.62 View $5.37 $5.14 $4.90 $4.84	Min.: 1 Mult.: 1	PT	3892 K	1 kOhms	0.2 C	PCB Mount	Radial	- 80 C	+ 150 C	0.095 in	1.5 in	0.095 in	0.095 in	Bulk
NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, U.S. SENS PT302J2 Littelfuse 1: $2.71 387In Stock Factory Special Order	Mfr. Part No. PT302J2 Mouser Part No 803-PT302J2 Factory Special Order	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, U.S. SENS Learn More about Littelfuse leaded thermistors	Datasheet	387In Stock	$2.71 $2.57 $2.12 $1.97 View $1.89 $1.69 $1.62 $1.50	Min.: 1 Mult.: 1	PT	3892 K	3 kOhms	0.2 C	PCB Mount	Radial	- 80 C	+ 150 C	0.095 in	1.5 in	0.095 in	0.095 in	Bulk
NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, U.S. SENS PT104J2 Littelfuse 1: $3.20 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. PT104J2 Mouser Part No 803-PT104J2	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, U.S. SENS Learn More about Littelfuse leaded thermistors	Datasheet	Non-Stocked Lead-Time 12 Weeks	$3.20 $2.61 $2.12 $1.97 View $1.88 $1.69 $1.65 $1.55	Min.: 1 Mult.: 1	PT	3892 K	100 kOhms	0.2 C	PCB Mount	Radial	- 80 C	+ 150 C	0.095 in				Bulk
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 100K OHM 1.0C BEAD PX104J2 Littelfuse 1: $2.60 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. PX104J2 Mouser Part No 803-PX104J2	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 100K OHM 1.0C BEAD Learn More about Littelfuse leaded thermistors	Datasheet	Non-Stocked Lead-Time 12 Weeks	$2.60 $2.00 $1.67 $1.63 View $1.48 $1.43 $1.29 $1.25 $1.18	Min.: 1 Mult.: 1	PX	3892 K	100 kOhms	1 C	PCB Mount	Radial	- 80 C	+ 150 C	0.095 in	1.5 in	0.095 in	0.095 in	Bulk
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 20K OHM 1.0C BEAD PX203J2 Littelfuse 1: $1.75 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. PX203J2 Mouser Part No 803-PX203J2	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 20K OHM 1.0C BEAD Learn More about Littelfuse leaded thermistors	Datasheet	Non-Stocked Lead-Time 12 Weeks	$1.75 $1.67 $1.58 $1.50 View $1.36 $1.29 $1.26 $1.16	Min.: 1 Mult.: 1	PX	3892 K	20 kOhms	1 C	PCB Mount	Radial	- 80 C	+ 150 C	0.095 in	1.5 in	0.095 in	0.095 in	Bulk
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 100K OHM 0.2C BEAD PT104R2 Littelfuse 1: $3.86 Non-Stocked Lead-Time 23 Weeks	Mfr. Part No. PT104R2 Mouser Part No 803-PT104R2	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 100K OHM 0.2C BEAD Learn More about Littelfuse leaded thermistors	Datasheet	Non-Stocked Lead-Time 23 Weeks	$3.86 $2.90 $2.57 $2.45 View $2.38 $2.34 $2.18 $2.03	Min.: 1 Mult.: 1	PT	4140 K	100 kOhms	0.2 C	PCB Mount	Radial	- 80 C	+ 150 C	0.095 in				Bulk
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 6K OHM 0.2C BEAD PT602J2 Littelfuse 1: $3.20 Non-Stocked Lead-Time 22 Weeks	Mfr. Part No. PT602J2 Mouser Part No 803-PT602J2	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 6K OHM 0.2C BEAD Learn More about Littelfuse leaded thermistors	Datasheet	Non-Stocked Lead-Time 22 Weeks	$3.20 $2.61 $2.12 $1.97 View $1.88 $1.67 $1.60	Min.: 1 Mult.: 1	PT	3892 K	6 kOhms	0.2 C	PCB Mount	Radial	- 80 C	+ 150 C	0.095 in	1.5 in	0.095 in	0.095 in	Bulk
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 10K OHM 0.5C BEAD PW103J2 Littelfuse 1: $2.09 Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. PW103J2 Mouser Part No 803-PW103J2	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 10K OHM 0.5C BEAD Learn More about Littelfuse leaded thermistors	Datasheet	Non-Stocked Lead-Time 14 Weeks	$2.09 $2.00 $1.88 $1.80 View $1.74 $1.62 $1.51 $1.46 $1.36	Min.: 1 Mult.: 1	PW	3892 K	10 kOhms	0.5 C	PCB Mount	Radial	- 80 C	+ 150 C	0.095 in				Bulk
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 50K OHM 0.5C BEAD PW503J2 Littelfuse 1: $2.96 Non-Stocked Lead-Time 19 Weeks	Mfr. Part No. PW503J2 Mouser Part No 803-PW503J2	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 50K OHM 0.5C BEAD Learn More about Littelfuse leaded thermistors	Datasheet	Non-Stocked Lead-Time 19 Weeks	$2.96 $2.28 $1.90 $1.86 View $1.70 $1.47 $1.46 $1.40	Min.: 1 Mult.: 1	PW	3892 K	50 kOhms	0.5 C	PCB Mount	Radial	- 80 C	+ 150 C	0.095 in	1.5 in	0.095 in	0.095 in	Bulk
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 2.2K OHM 0.5C BEAD PW222J2 Littelfuse Non-Stocked	Mfr. Part No. PW222J2 Mouser Part No 803-PW222J2	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 2.2K OHM 0.5C BEAD Learn More about Littelfuse leaded thermistors	Datasheet	Non-Stocked		Request a Quote	PW	3892 K	2.252 kOhms	0.5 C	PCB Mount	Radial	- 80 C	+ 150 C	0.095 in	1.5 in	0.095 in	0.095 in	Bulk

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