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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 (USD) 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: $3.40 A tariff of 21% may be applied if shipping to the United States. 200In Stock New Product	Mfr. Part # MOV-20D182KKC Mouser Part # 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	$3.40 $2.15 $1.95 $1.66 View $1.56 $1.37 $1.13 $1.05 A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
NTC Thermistors NTC SMD 0603 100kO 5% B25/50 4250K BTN06G104J4EH1T0A Bourns 1: $0.15 7,990In Stock New Product	Mfr. Part # BTN06G104J4EH1T0A Mouser Part # 652-BTN06104J4EH1T0A New Product	Bourns	NTC Thermistors NTC SMD 0603 100kO 5% B25/50 4250K Learn More about Bourns btn06g ntc thermistors	Datasheet	7,990In Stock	Cut Tape $0.15 $0.133 $0.117 $0.094 Reel $0.071 View $0.083 $0.079 $0.068 $0.065 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC Thermistors NTC SMD 0603 47kO 3% B25/50 4050K BTN06G473H4AF1T00 Bourns 1: $0.13 8,000In Stock New Product	Mfr. Part # BTN06G473H4AF1T00 Mouser Part # 652-BTN06473H4AF1T00 New Product	Bourns	NTC Thermistors NTC SMD 0603 47kO 3% B25/50 4050K Learn More about Bourns btn06g ntc thermistors	Datasheet	8,000In Stock	Cut Tape $0.13 $0.118 $0.104 $0.085 Reel $0.064 View $0.075 $0.071 $0.061 $0.059 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Varistors 20mm Radial Disc-Straight Leads,Bulk MOV-20D751KC Bourns 1: $1.96 A tariff of 21% may be applied if shipping to the United States. 300In Stock New Product	Mfr. Part # MOV-20D751KC Mouser Part # 652-MOV-20D751KC New Product	Bourns	Varistors 20mm Radial Disc-Straight Leads,Bulk Learn More about Bourns mov kc metal oxide varistors	Datasheet	300In Stock	$1.96 $1.21 $0.835 $0.78 View $0.69 $0.563 $0.516 $0.483 $0.464 A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Thermal Cutoffs TCO, High Current, SMD, 90C, Self Hold AEC-Q200 SD90ABB Bourns 1: $1.96 A tariff of 8% may be applied if shipping to the United States. 14,934In Stock	Mfr. Part # SD90ABB Mouser Part # 652-SD90ABB	Bourns	Thermal Cutoffs TCO, High Current, SMD, 90C, Self Hold AEC-Q200 Learn More about Bourns ad sd miniature tco devices	Datasheet	14,934In Stock	Cut Tape $1.96 $1.86 $1.76 $1.68 View Reel $1.13 $1.61 $1.39 $1.32 $1.13 MouseReel Available A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 4,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 350V GDT35-35-S1-RP Bourns 1: $1.78 A tariff of 8% may be applied if shipping to the United States. 1,571In Stock	Mfr. Part # GDT35-35-S1-RP Mouser Part # 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 $1.78 $1.61 $1.36 $1.26 Reel $0.889 View $1.13 $0.97 $0.839 $0.797 MouseReel Available A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 1,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 420V GDT35-42-S1-RP Bourns 1: $1.78 A tariff of 8% may be applied if shipping to the United States. 1,965In Stock	Mfr. Part # GDT35-42-S1-RP Mouser Part # 652-GDT35-42-S1-RP	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 420V Learn More about Bourns gdt35	Datasheet	1,965In Stock	Cut Tape $1.78 $1.61 $1.36 $1.26 Reel $0.89 View $1.13 $0.966 $0.839 $0.797 MouseReel Available A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 1,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 470V GDT35-47-S1-RP Bourns 1: $1.78 A tariff of 8% may be applied if shipping to the United States. 1,682In Stock	Mfr. Part # GDT35-47-S1-RP Mouser Part # 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 $1.78 $1.61 $1.36 $1.26 Reel $0.894 View $1.13 $0.966 $0.839 $0.797 MouseReel Available A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 1,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 470V, REEL GDT25-47-S1-RP Bourns 1: $1.10 A tariff of 8% may be applied if shipping to the United States. 2,812In Stock	Mfr. Part # GDT25-47-S1-RP Mouser Part # 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 $1.10 $0.951 $0.829 $0.763 Reel $0.576 View $0.693 $0.576 $0.575 MouseReel Available A tariff of 8% may be applied if shipping to the United States.	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: $1.76 A tariff of 8% may be applied if shipping to the United States. 1,909In Stock	Mfr. Part # GDT28H-270-BRP Mouser Part # 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 $1.76 $1.65 $1.39 $1.28 Reel $0.877 View $1.15 $1.05 $0.853 $0.812 MouseReel Available A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 1,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 2000 V GDT28H-200-BRP Bourns 1: $1.81 A tariff of 8% may be applied if shipping to the United States. 1,565In Stock	Mfr. Part # GDT28H-200-BRP Mouser Part # 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	1,565In Stock	Cut Tape $1.81 $1.65 $1.39 $1.28 Reel $0.877 View $1.15 $0.988 $0.853 $0.812 MouseReel Available A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 1,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 200V GDT35-20-S1-RP Bourns 1: $1.78 A tariff of 8% may be applied if shipping to the United States. 1,835In Stock	Mfr. Part # GDT35-20-S1-RP Mouser Part # 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 $1.78 $1.61 $1.36 $1.26 Reel $0.894 View $1.13 $0.966 $0.839 $0.797 MouseReel Available A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 1,000
Fuse Holder FB1 FUSE BLOCK 110A FUSE FB1-110 Bourns 1: $75.81 A tariff of 8% may be applied if shipping to the United States. 50In Stock 80Expected 10/12/2026	Mfr. Part # FB1-110 Mouser Part # 652-FB1-110	Bourns	Fuse Holder FB1 FUSE BLOCK 110A FUSE	Datasheet	50In Stock 80Expected 10/12/2026	$75.81 $62.88 $58.00 $48.00 $45.86 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
NTC Thermistors 10 dia Power NTC 16ohm Y kink bulk BN-LG10Y160MYB Bourns 1: $0.56 A tariff of 21% may be applied if shipping to the United States. 9,998In Stock	Mfr. Part # BN-LG10Y160MYB Mouser Part # 652-BN-LG10Y160MYB	Bourns	NTC Thermistors 10 dia Power NTC 16ohm Y kink bulk Learn More about Bourns bn powrtherm thermistors	Datasheet	9,998In Stock	$0.56 $0.491 $0.396 $0.326 View $0.283 $0.275 $0.245 $0.244 A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
NTC Thermistors 15 dia Power NTC 220ohm Y kink bulk BN-LG15Y221MYB Bourns 1: $0.95 A tariff of 21% may be applied if shipping to the United States. 11,938In Stock	Mfr. Part # BN-LG15Y221MYB Mouser Part # 652-BN-LG15Y221MYB	Bourns	NTC Thermistors 15 dia Power NTC 220ohm Y kink bulk Learn More about Bourns bn powrtherm thermistors	Datasheet	11,938In Stock	$0.95 $0.722 $0.622 $0.60 View $0.512 $0.445 $0.403 $0.369 A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
NTC Thermistors 13 dia Power NTC 5ohm Y kink bulk BN-LG13Y5R0MYB Bourns 1: $0.81 A tariff of 21% may be applied if shipping to the United States. 11,252In Stock	Mfr. Part # BN-LG13Y5R0MYB Mouser Part # 652-BN-LG13Y5R0MYB	Bourns	NTC Thermistors 13 dia Power NTC 5ohm Y kink bulk Learn More about Bourns bn powrtherm thermistors	Datasheet	11,252In Stock	$0.81 $0.624 $0.538 $0.519 View $0.442 $0.384 $0.354 $0.319 A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
NTC Thermistors 15 dia Power NTC 120ohm Y kink bulk BN-LG15Y121MYB Bourns 1: $0.60 A tariff of 21% may be applied if shipping to the United States. 11,334In Stock	Mfr. Part # BN-LG15Y121MYB Mouser Part # 652-BN-LG15Y121MYB	Bourns	NTC Thermistors 15 dia Power NTC 120ohm Y kink bulk Learn More about Bourns bn powrtherm thermistors	Datasheet	11,334In Stock	$0.60 $0.555 $0.55 $0.486 View $0.458 $0.43 $0.41 $0.298 $0.293 A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
NTC Thermistors 5 dia Power NTC 5ohm Y kink bulk BN-LG05Y5R0MYB Bourns 1: $0.24 A tariff of 21% may be applied if shipping to the United States. 13,566In Stock	Mfr. Part # BN-LG05Y5R0MYB Mouser Part # 652-BN-LG05Y5R0MYB	Bourns	NTC Thermistors 5 dia Power NTC 5ohm Y kink bulk Learn More about Bourns bn powrtherm thermistors	Datasheet	13,566In Stock	$0.24 $0.219 $0.191 $0.168 View $0.16 $0.152 $0.137 A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
NTC Thermistors 15 dia Power NTC 10ohm Y kink bulk BN-LG15Y100MYB Bourns 1: $0.75 A tariff of 21% may be applied if shipping to the United States. 7,980In Stock	Mfr. Part # BN-LG15Y100MYB Mouser Part # 652-BN-LG15Y100MYB	Bourns	NTC Thermistors 15 dia Power NTC 10ohm Y kink bulk Learn More about Bourns bn powrtherm thermistors	Datasheet	7,980In Stock	$0.75 $0.631 $0.595 $0.535 View $0.481 $0.454 $0.409 $0.316 $0.299 A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
NTC Thermistors 15 dia Power NTC 2.5ohm Y kink bulk BN-LG15Y2R5MYB Bourns 1: $0.95 A tariff of 21% may be applied if shipping to the United States. 10,131In Stock	Mfr. Part # BN-LG15Y2R5MYB Mouser Part # 652-BN-LG15Y2R5MYB	Bourns	NTC Thermistors 15 dia Power NTC 2.5ohm Y kink bulk Learn More about Bourns bn powrtherm thermistors	Datasheet	10,131In Stock	$0.95 $0.722 $0.622 $0.60 View $0.512 $0.445 $0.403 $0.369 A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
NTC Thermistors 20 dia Power NTC 2.2ohm Y kink bulk BN-LG20Y2R2MYB Bourns 1: $1.58 A tariff of 21% may be applied if shipping to the United States. 4,493In Stock	Mfr. Part # BN-LG20Y2R2MYB Mouser Part # 652-BN-LG20Y2R2MYB	Bourns	NTC Thermistors 20 dia Power NTC 2.2ohm Y kink bulk Learn More about Bourns bn powrtherm thermistors	Datasheet	4,493In Stock	$1.58 $1.19 $0.945 $0.889 View $0.867 $0.729 $0.676 $0.621 A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
NTC Thermistors 20 dia Power NTC 5ohm Y kink bulk BN-LG20Y5R0MYB Bourns 1: $1.39 A tariff of 21% may be applied if shipping to the United States. 5,792In Stock	Mfr. Part # BN-LG20Y5R0MYB Mouser Part # 652-BN-LG20Y5R0MYB	Bourns	NTC Thermistors 20 dia Power NTC 5ohm Y kink bulk Learn More about Bourns bn powrtherm thermistors	Datasheet	5,792In Stock	$1.39 $1.23 $0.945 $0.889 View $0.82 $0.729 $0.676 $0.621 A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Industrial Surge Protectors AC SPD, 2W-G,150VAC 1250A-2S-120 Bourns 1: $215.78 A tariff of 21% may be applied if shipping to the United States. 87In Stock	Mfr. Part # 1250A-2S-120 Mouser Part # 652-1250A-2S-120	Bourns	Industrial Surge Protectors AC SPD, 2W-G,150VAC Learn More about Bourns 1250a ac spds	Datasheet	87In Stock	$215.78 $162.19 Quote Quote A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
NTC Thermistors 20 dia Power NTC 20ohm Y kink bulk BN-LG20Y200MYB Bourns 1: $1.49 A tariff of 21% may be applied if shipping to the United States. 6,166In Stock	Mfr. Part # BN-LG20Y200MYB Mouser Part # 652-BN-LG20Y200MYB	Bourns	NTC Thermistors 20 dia Power NTC 20ohm Y kink bulk Learn More about Bourns bn powrtherm thermistors	Datasheet	6,166In Stock	$1.49 $1.19 $0.776 $0.672 View $0.633 $0.589 $0.488 $0.487 A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Surface Mount Fuses 20A 250V FAST ACTING SF-3812F2000T-2 Bourns 1: $3.78 A tariff of 8% may be applied if shipping to the United States. 9,491In Stock	Mfr. Part # SF-3812F2000T-2 Mouser Part # 652-SF-3812F2000T-2	Bourns	Surface Mount Fuses 20A 250V FAST ACTING Learn More about Bourns sf 3812f t smd fuses	Datasheet	9,491In Stock	Cut Tape $3.78 $3.17 $2.21 $2.04 Reel $1.49 View $1.87 $1.76 $1.69 $1.45 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 2,500

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