About Circuit Protection

Circuit Protection

Circuit protection is a set of practices and components used to protect an electrical circuit from damage caused by a short circuit, an overload, or excess voltage. This includes a variety of techniques such as the use of fuses, circuit breakers, and surge protectors. Circuit protection can also be used to prevent fires or other dangerous situations by cutting off the power when a fault is detected. Circuit protection can keep equipment safe and increase the life of components and wiring.

Circuit Protection

Circuit Breakers & Accessories

Circuit Protection Kits

ESD Protection Diodes / TVS Diodes

Fuse Holders

Fuses

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors

LED Protection Devices

Surge Protective Devices - SPD

Surge Suppressors

Thermistors

Varistors

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

NTC 5D-5

NTC Thermistors 6mW 5Ohms Through Hole,P=5mm RoHS
Icon ROHS

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.

Ruilongyuan

16596
Ships to you
between Mon. 08 Jun to Thu. 11 Jun

June 2026

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

AUD 0.0608

Multiples of: 10

B72207S0500K111

EPCOS TDK Varistors 50vrms 7mm StdCrimp Varistor S07K50G
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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

11723
Ships to you
between Fri. 29 May to Tue. 02 Jun

June 2026

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

AUD 0.1901

Multiples of: 1

AV17K0805121NIR1

Varistors AV AUTO SERIES 17V
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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

11715
Ships to you
between Fri. 29 May to Tue. 02 Jun

June 2026

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

AUD 0.1226

Multiples of: 1

SMAJ33CAHE3_A/I

Transient Voltage Suppressor Bi-Directional 33V 400W 2-Pin DO-214AC
Icon ROHS

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.

Vishay

11702
Ships to you
between Fri. 29 May to Tue. 02 Jun

June 2026

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

AUD 0.1924

Multiples of: 1

WE03DUCS

DFN0603-2L TVS ROHS
Icon ROHS

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.

Wayon

11652
Ships to you
between Mon. 08 Jun to Thu. 11 Jun

June 2026

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

AUD 0.036

Multiples of: 1

P6SMB20CA

TVS Diodes - Transient Voltage Suppressors 20V 600W BiDir
Icon ROHS

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

11617
Ships to you
between Fri. 29 May to Tue. 02 Jun

June 2026

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

AUD 0.1477

Multiples of: 1

SPT478T10A250V

Plugin,P=5.08mm Disposable fuses ROHS
Icon ROHS

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.

SETfuse

10553
Ships to you
between Mon. 08 Jun to Thu. 11 Jun

June 2026

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

AUD 0.052

Multiples of: 10

SMA6J6.0A-Q

ESD Suppressors TVS Diodes TVS 600W UNI
Icon ROHS

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

5269
Ships to you
between Fri. 29 May to Tue. 02 Jun

June 2026

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

AUD 0.1524

Multiples of: 1

ESD5V0D5

SOD-523 ESD Protection Devices ROHS
Icon ROHS

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.

Yangjie

3880
Ships to you
between Mon. 08 Jun to Thu. 11 Jun

June 2026

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

AUD 0.0201

Multiples of: 20

SMLJ120A

TVS Diodes - Transient Voltage Suppressors 120volts 5uA 15.6 Amps Uni-Dir
Icon ROHS

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

0
6 to 16 Weeks