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Circuit Protection Devices

Bourns manufactures and supplies a wide range of circuit protection technologies, including fuses, PTC thermistors, varistors, GDTs, resettable thermal cut-offs, surge protection devices, hybrid protectors, discrete semiconductor solutions, and more. Reliable surge protection is a critical design consideration to help ensure operational reliability of consumer electronics, industrial/communication equipment, automotive, battery charging, energy storage infrastructure, and renewable energy harvesting ecosystems.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) Filter the results in the table by unit price based on your quantity.	Qty.
Varistors 20mm Radial Disc-Kinked Leads,Bulk MOV-20D182KKC Bourns 1: HK$28.03 200In Stock New Product	Mfr. Part No. MOV-20D182KKC Mouser Part No 652-MOV-20D182KKC New Product	Bourns	Varistors 20mm Radial Disc-Kinked Leads,Bulk Learn More about Bourns mov kc metal oxide varistors	Datasheet	200In Stock	HK$28.03 HK$17.76 HK$13.73 HK$12.82 View HK$11.26 HK$9.45 HK$9.21	Min.: 1 Mult.: 1
Varistors 7mm Radial Disc-Straight Leads,Bulk MOV-07D201KC Bourns 1: HK$2.79 4,000In Stock New Product	Mfr. Part No. MOV-07D201KC Mouser Part No 652-MOV-07D201KC New Product	Bourns	Varistors 7mm Radial Disc-Straight Leads,Bulk Learn More about Bourns mov kc metal oxide varistors	Datasheet	4,000In Stock	HK$2.79 HK$2.26 HK$1.20 HK$0.789 View HK$0.584 HK$0.493 HK$0.419 HK$0.37	Min.: 1 Mult.: 1
Thermal Cut-offs TCO, High Current, SMD, 90C, Self Hold AEC-Q200 SD90ABB Bourns 1: HK$16.11 14,922In Stock	Mfr. Part No. SD90ABB Mouser Part No 652-SD90ABB	Bourns	Thermal Cut-offs TCO, High Current, SMD, 90C, Self Hold AEC-Q200 Learn More about Bourns ad sd miniature tco devices	Datasheet	14,922In Stock	Cut Tape HK$16.11 HK$15.29 HK$14.47 HK$13.81 View Reel HK$9.29 HK$13.23 HK$12.08 HK$11.01 HK$10.69 HK$9.29 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Fuse Holder FB1 FUSE BLOCK 110A FUSE FB1-110 Bourns 1: HK$623.16 117In Stock	Mfr. Part No. FB1-110 Mouser Part No 652-FB1-110	Bourns	Fuse Holder FB1 FUSE BLOCK 110A FUSE	Datasheet	117In Stock	HK$623.16 HK$516.87 HK$476.76 HK$394.56 View HK$363.32 HK$358.23	Min.: 1 Mult.: 1
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 470V, REEL GDT25-47-S1-RP Bourns 1: HK$9.04 2,812In Stock	Mfr. Part No. GDT25-47-S1-RP Mouser Part No 652-GDT25-47-S1-RP	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 470V, REEL Learn More about Bourns gdt25 gdt arrestors	Datasheet	2,812In Stock	Cut Tape HK$9.04 HK$8.16 HK$6.87 HK$6.35 Reel HK$4.49 View HK$5.70 HK$5.26 HK$4.32 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 2700 V GDT28H-270-BRP Bourns 1: HK$14.88 1,909In Stock	Mfr. Part No. GDT28H-270-BRP Mouser Part No 652-GDT28H-270-BRP	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 2700 V Learn More about Bourns gdt28h gdts	Datasheet	1,909In Stock	Cut Tape HK$14.88 HK$13.48 HK$11.43 HK$10.52 Reel HK$7.66 View HK$9.45 HK$8.55 HK$7.01 HK$6.67 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Surface Mount Fuses 1206 high-current met-foil. 15A SF-1206HH1500R-2 Bourns 1: HK$5.34 9,000In Stock	Mfr. Part No. SF-1206HH1500R-2 Mouser Part No 652-SF-1206HH1500R-2	Bourns	Surface Mount Fuses 1206 high-current met-foil. 15A Learn More about Bourns sf1206hhr sf1206hhar fuses	Datasheet	9,000In Stock	Cut Tape HK$5.34 HK$5.12 HK$4.31 HK$3.79 View Reel HK$3.16 HK$3.40 HK$3.16 HK$3.16 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 2000 V GDT28H-200-BRP Bourns 1: HK$14.88 1,563In Stock	Mfr. Part No. GDT28H-200-BRP Mouser Part No 652-GDT28H-200-BRP	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 2000 V Learn More about Bourns gdt28h gdts	Datasheet	1,563In Stock	Cut Tape HK$14.88 HK$13.73 HK$11.43 HK$10.52 Reel HK$7.66 View HK$9.45 HK$8.30 HK$7.01 HK$6.67 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 200V GDT35-20-S1-RP Bourns 1: HK$14.63 1,835In Stock	Mfr. Part No. GDT35-20-S1-RP Mouser Part No 652-GDT35-20-S1-RP	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 200V Learn More about Bourns gdt35	Datasheet	1,835In Stock	Cut Tape HK$14.63 HK$13.48 HK$11.18 HK$10.36 Reel HK$7.66 View HK$9.29 HK$8.55 HK$6.90 HK$6.55 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Surface Mount Fuses 1206 high-current met-foil. 10A SF-1206HH1000R-2 Bourns 1: HK$6.90 8,075In Stock	Mfr. Part No. SF-1206HH1000R-2 Mouser Part No 652-SF-1206HH1000R-2	Bourns	Surface Mount Fuses 1206 high-current met-foil. 10A Learn More about Bourns sf1206hhr sf1206hhar fuses	Datasheet	8,075In Stock	Cut Tape HK$6.90 HK$5.71 HK$4.81 HK$4.23 Reel HK$3.55 View HK$3.80 HK$3.73 HK$3.40 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses 1206 high-current met-foil. 25A SF-1206HH2500R-2 Bourns 1: HK$5.26 8,943In Stock	Mfr. Part No. SF-1206HH2500R-2 Mouser Part No 652-SF-1206HH2500R-2	Bourns	Surface Mount Fuses 1206 high-current met-foil. 25A Learn More about Bourns sf1206hhr sf1206hhar fuses	Datasheet	8,943In Stock	Cut Tape HK$5.26 HK$4.75 HK$4.11 HK$3.81 Reel HK$3.00 View HK$3.55 HK$3.44 HK$3.34 HK$2.99 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses 1206 high-current met-foil. 20A SF-1206HH2000R-2 Bourns 1: HK$5.34 9,857In Stock	Mfr. Part No. SF-1206HH2000R-2 Mouser Part No 652-SF-1206HH2000R-2	Bourns	Surface Mount Fuses 1206 high-current met-foil. 20A Learn More about Bourns sf1206hhr sf1206hhar fuses	Datasheet	9,857In Stock	Cut Tape HK$5.34 HK$4.27 HK$3.58 HK$3.28 Reel HK$2.55 View HK$3.10 HK$2.97 HK$2.80 HK$2.40 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses 1206 high-current met-foil. 30A SF-1206HH3000R-2 Bourns 1: HK$5.01 8,941In Stock	Mfr. Part No. SF-1206HH3000R-2 Mouser Part No 652-SF-1206HH3000R-2	Bourns	Surface Mount Fuses 1206 high-current met-foil. 30A Learn More about Bourns sf1206hhr sf1206hhar fuses	Datasheet	8,941In Stock	Cut Tape HK$5.01 HK$4.43 HK$3.80 HK$3.48 Reel HK$2.61 View HK$3.29 HK$3.18 HK$3.06 HK$2.46 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses 1206 high-current met-foil. 20A Auto SF-1206HHA2000R-2 Bourns 1: HK$8.63 10,836In Stock	Mfr. Part No. SF-1206HHA2000R-2 Mouser Part No 652-SF-1206HHA2000R2	Bourns	Surface Mount Fuses 1206 high-current met-foil. 20A Auto Learn More about Bourns sf1206hhr sf1206hhar fuses	Datasheet	10,836In Stock	Cut Tape HK$8.63 HK$5.30 HK$4.55 HK$4.19 Reel HK$3.09 View HK$3.83 HK$3.67 HK$3.54 HK$3.08 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses 1206 high-current met-foil. 30A Auto SF-1206HHA3000R-2 Bourns 1: HK$8.63 11,570In Stock	Mfr. Part No. SF-1206HHA3000R-2 Mouser Part No 652-SF-1206HHA3000R2	Bourns	Surface Mount Fuses 1206 high-current met-foil. 30A Auto Learn More about Bourns sf1206hhr sf1206hhar fuses	Datasheet	11,570In Stock	Cut Tape HK$8.63 HK$7.32 HK$6.12 HK$5.47 Reel HK$3.84 View HK$4.92 HK$4.54 HK$4.18 HK$3.65 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 350V GDT35-35-S1-RP Bourns 1: HK$14.63 1,571In Stock	Mfr. Part No. GDT35-35-S1-RP Mouser Part No 652-GDT35-35-S1-RP	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 350V Learn More about Bourns gdt35	Datasheet	1,571In Stock	Cut Tape HK$14.63 HK$13.48 HK$11.18 HK$10.36 Reel HK$7.42 View HK$9.29 HK$8.55 HK$6.90 HK$6.55 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 420V GDT35-42-S1-RP Bourns 1: HK$14.63 1,950In Stock	Mfr. Part No. GDT35-42-S1-RP Mouser Part No 652-GDT35-42-S1-RP	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 420V Learn More about Bourns gdt35	Datasheet	1,950In Stock	Cut Tape HK$14.63 HK$13.48 HK$11.18 HK$10.36 Reel HK$7.30 View HK$9.29 HK$8.55 HK$6.90 HK$6.55 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 470V GDT35-47-S1-RP Bourns 1: HK$14.63 1,682In Stock	Mfr. Part No. GDT35-47-S1-RP Mouser Part No 652-GDT35-47-S1-RP	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 470V Learn More about Bourns gdt35	Datasheet	1,682In Stock	Cut Tape HK$14.63 HK$13.48 HK$11.18 HK$10.36 Reel HK$7.30 View HK$9.29 HK$8.55 HK$6.90 HK$6.55 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Surface Mount Fuses 1206 high-current met-foil. 12A SF-1206HH1200R-2 Bourns 1: HK$11.18 10,844In Stock	Mfr. Part No. SF-1206HH1200R-2 Mouser Part No 652-SF-1206HH1200R-2	Bourns	Surface Mount Fuses 1206 high-current met-foil. 12A Learn More about Bourns sf1206hhr sf1206hhar fuses	Datasheet	10,844In Stock	Cut Tape HK$11.18 HK$4.79 HK$4.50 HK$4.29 Reel HK$3.45 View HK$4.07 HK$2.59 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses 1206 high-current met-foil. 8A Auto SF-1206HHA800R-2 Bourns 1: HK$8.63 7,963In Stock	Mfr. Part No. SF-1206HHA800R-2 Mouser Part No 652-SF-1206HHA800R-2	Bourns	Surface Mount Fuses 1206 high-current met-foil. 8A Auto Learn More about Bourns sf1206hhr sf1206hhar fuses	Datasheet	7,963In Stock	Cut Tape HK$8.63 HK$7.32 HK$6.12 HK$5.47 Reel HK$3.86 View HK$4.92 HK$4.76 HK$4.72 HK$3.66 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Varistors 20mm Radial Disc MOV - Kinked Leads, T&R MOV-20D781KKTR Bourns 1: HK$16.93 3,942In Stock	Mfr. Part No. MOV-20D781KKTR Mouser Part No 652-MOV-20D781KKTR	Bourns	Varistors 20mm Radial Disc MOV - Kinked Leads, T&R Learn More about Bourns mov xd metal oxide varistors	Datasheet	3,942In Stock	Cut Tape HK$16.93 HK$10.60 HK$7.79 Reel HK$7.27 HK$6.43 View HK$5.10 HK$4.88 HK$4.79 MouseReel Available	Min.: 1 Mult.: 1 : 250
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors High Energy GDT 25mm 500V, T2 terminal GDT225E-50-T2-BX Bourns 1: HK$226.05 118In Stock	Mfr. Part No. GDT225E-50-T2-BX Mouser Part No 652-GDT225E-50-T2-BX	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors High Energy GDT 25mm 500V, T2 terminal Learn More about Bourns gdt212e gdt216e gdt220e gdt225e gdts	Datasheet	118In Stock	HK$226.05 HK$187.58 HK$173.03 HK$143.27 View HK$136.29 HK$123.96	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 13 dia Power NTC 5ohm Y kink bulk BN-LG13Y5R0MYB Bourns 1: HK$6.66 11,068In Stock	Mfr. Part No. BN-LG13Y5R0MYB Mouser Part No 652-BN-LG13Y5R0MYB	Bourns	NTC (Negative Temperature Coefficient) Thermistors 13 dia Power NTC 5ohm Y kink bulk Learn More about Bourns bn powrtherm thermistors	Datasheet	11,068In Stock	HK$6.66 HK$5.13 HK$4.42 HK$4.27 View HK$3.63 HK$3.16 HK$2.91 HK$2.62	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 15 dia Power NTC 120ohm Y kink bulk BN-LG15Y121MYB Bourns 1: HK$5.18 9,804In Stock	Mfr. Part No. BN-LG15Y121MYB Mouser Part No 652-BN-LG15Y121MYB	Bourns	NTC (Negative Temperature Coefficient) Thermistors 15 dia Power NTC 120ohm Y kink bulk Learn More about Bourns bn powrtherm thermistors	Datasheet	9,804In Stock	HK$5.18 HK$4.68 HK$4.58 HK$4.08 View HK$3.81 HK$3.59 HK$2.67 HK$2.57 HK$2.50	Min.: 1 Mult.: 1
Varistors 20mm Radial Disc MOV - Kinked Leads, T&R MOV-20D621KKTR Bourns 1: HK$14.55 8,024In Stock 6,000Expected 11/11/2026	Mfr. Part No. MOV-20D621KKTR Mouser Part No 652-MOV-20D621KKTR	Bourns	Varistors 20mm Radial Disc MOV - Kinked Leads, T&R Learn More about Bourns mov xd metal oxide varistors	Datasheet	8,024In Stock 6,000Expected 11/11/2026	Cut Tape HK$14.55 HK$8.96 HK$6.16 Reel HK$6.16 HK$5.08 View HK$4.14 HK$3.79 MouseReel Available	Min.: 1 Mult.: 1 : 250