About Thermistors

Thermistors

A thermistor is a type of temperature-sensing component that is composed of a semiconductor material. Thermistors are widely used in electronics and industrial equipment to accurately measure and monitor temperature. The most common type of thermistor is a negative temperature coefficient (NTC), which has a higher resistance value when temperatures are cooler and a lower resistance when they are warmer. Thermistors can be used to control temperature levels in a variety of electronic circuits, such as thermostats and in industrial processes. Additionally, they are often included in instrumentation to monitor temperature levels in various environments.

Thermistors

Inrush Current Limiters

NTC (Negative Temperature Coefficient) Thermistors

PTC (Positive Temperature Coefficient) Thermistors

Resettable Fuses - PPTC

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Image	Stock Code(▲▼)	Description	Manufacturer	Availability ⓘ (▲▼)	Price(AUD) (Ex. GST)(▲▼)	Enter Qty

72R025XPR

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V .250A
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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.

Littelfuse

0
6 to 16 Weeks

September 2026

September 2026
	S	M	T	W	T	F	S
36	30	31	1	2	3	4	5
37	6	7	8	9	10	11	12
38	13	14	15	16	17	18	19
39	20	21	22	23	24	25	26
40	27	28	29	30	1	2	3
41	4	5	6	7	8	9	10

AUD 0.3797

Multiples of: 1

RUEF300U-2

Resettable Fuses - PPTC 30V 40A 2.00W UNCOAT PolySwitch Reset Dev
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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.

Littelfuse

0
6 to 16 Weeks

September 2026

September 2026
	S	M	T	W	T	F	S
36	30	31	1	2	3	4	5
37	6	7	8	9	10	11	12
38	13	14	15	16	17	18	19
39	20	21	22	23	24	25	26
40	27	28	29	30	1	2	3
41	4	5	6	7	8	9	10

AUD 0.3805

Multiples of: 3000

20D2-11LD

NTC (Negative Temperature Coefficient) Thermistors 20ohms 2amps Straight Lead
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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.

Semitec

0
6 to 16 Weeks

September 2026

September 2026
	S	M	T	W	T	F	S
36	30	31	1	2	3	4	5
37	6	7	8	9	10	11	12
38	13	14	15	16	17	18	19
39	20	21	22	23	24	25	26
40	27	28	29	30	1	2	3
41	4	5	6	7	8	9	10

AUD 0.3809

Multiples of: 1

0ZCA0035FF2G

PTC Resettable Fuse 0.35A(hold) 0.75A(trip) 16VDC 40A 0.4W 0.1s 0.3Ohm SMD Solder Pad 1206 T/R
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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.

Bel Fuse

0
6 to 16 Weeks

September 2026

September 2026
	S	M	T	W	T	F	S
36	30	31	1	2	3	4	5
37	6	7	8	9	10	11	12
38	13	14	15	16	17	18	19
39	20	21	22	23	24	25	26
40	27	28	29	30	1	2	3
41	4	5	6	7	8	9	10

AUD 0.381

Multiples of: 1

NC20KC0390MBA

NTC (Negative Temperature Coefficient) Thermistors 39Ohm 20%
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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.

Kyocera AVX

0
6 to 16 Weeks

September 2026

September 2026
	S	M	T	W	T	F	S
36	30	31	1	2	3	4	5
37	6	7	8	9	10	11	12
38	13	14	15	16	17	18	19
39	20	21	22	23	24	25	26
40	27	28	29	30	1	2	3
41	4	5	6	7	8	9	10

AUD 0.3825

Multiples of: 3000

RF0321-000

PTC Resettable Fuse 2.6A(hold) 5.2A(trip) 6V 40A 1.7W 0.025Ohm SMD Solder Pad 2920 T/R
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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.

Littelfuse

0
6 to 16 Weeks

September 2026

September 2026
	S	M	T	W	T	F	S
36	30	31	1	2	3	4	5
37	6	7	8	9	10	11	12
38	13	14	15	16	17	18	19
39	20	21	22	23	24	25	26
40	27	28	29	30	1	2	3
41	4	5	6	7	8	9	10

AUD 0.3828

Multiples of: 1

NTWB1002FB39500144

10k 1% 3950K 1% - NTC Thermistors 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.

Dersonic

0
6 to 16 Weeks

September 2026

September 2026
	S	M	T	W	T	F	S
36	30	31	1	2	3	4	5
37	6	7	8	9	10	11	12
38	13	14	15	16	17	18	19
39	20	21	22	23	24	25	26
40	27	28	29	30	1	2	3
41	4	5	6	7	8	9	10

AUD 0.3833

Multiples of: 5

SMD2920P260TF/24

PTC Resettable Fuses 2920 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.

Polytronics

0
6 to 16 Weeks

September 2026

September 2026
	S	M	T	W	T	F	S
36	30	31	1	2	3	4	5
37	6	7	8	9	10	11	12
38	13	14	15	16	17	18	19
39	20	21	22	23	24	25	26
40	27	28	29	30	1	2	3
41	4	5	6	7	8	9	10

AUD 0.3846

Multiples of: 1

NXFT15WB473FA2B025

NTC (Negative Temperature Coefficient) Thermistors 0402 47k ohm+/-1% 4050K +/-1%
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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.

Murata

0
6 to 16 Weeks

September 2026

September 2026
	S	M	T	W	T	F	S
36	30	31	1	2	3	4	5
37	6	7	8	9	10	11	12
38	13	14	15	16	17	18	19
39	20	21	22	23	24	25	26
40	27	28	29	30	1	2	3
41	4	5	6	7	8	9	10

AUD 0.3847

Multiples of: 1000

B57153S330M

Inrush Current Limiters CORRECT MFG PN 871-B57153S0330M000
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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.

TDK

0
6 to 16 Weeks

September 2026