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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.
NTC Thermistors NTC SMD 0603 47kO 5% B25/50 4050K BTN06G473J4AH1T00 Bourns 1: $0.12 8,000In Stock New Product	Mfr. Part # BTN06G473J4AH1T00 Mouser Part # 652-BTN06473J4AH1T00 New Product	Bourns	NTC Thermistors NTC SMD 0603 47kO 5% B25/50 4050K Learn More about Bourns btn06g ntc thermistors	Datasheet	8,000In Stock	Cut Tape $0.12 $0.111 $0.098 $0.08 Reel $0.06 View $0.07 $0.067 $0.057 $0.055 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Varistors 20mm Radial Disc-Kinked Leads,Bulk MOV-20D182KKC Bourns 1: $3.41 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	$3.41 $2.16 $1.67 $1.56 View $1.37 $1.15 $1.12	Min.: 1 Mult.: 1
NTC Thermistors NTC SMD 0603 10kO 5% B25/50 3380K BTN06G103J3HH1T0A Bourns 1: $0.12 7,900In Stock New Product	Mfr. Part # BTN06G103J3HH1T0A Mouser Part # 652-BTN06103J3HH1T0A New Product	Bourns	NTC Thermistors NTC SMD 0603 10kO 5% B25/50 3380K Learn More about Bourns btn06g ntc thermistors	Datasheet	7,900In Stock	Cut Tape $0.12 $0.111 $0.098 $0.08 Reel $0.06 View $0.07 $0.067 $0.057 $0.055 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC Thermistors NTC SMD 0603 47kO 1% B25/50 4050K BTN06G473F4AF1T00 Bourns 1: $0.13 8,000In Stock New Product	Mfr. Part # BTN06G473F4AF1T00 Mouser Part # 652-BTN06473F4AF1T00 New Product	Bourns	NTC Thermistors NTC SMD 0603 47kO 1% 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
NTC Thermistors NTC SMD 0603 100kO 3% B25/50 4250K BTN06G104H4EF1T0A Bourns 1: $0.16 8,000In Stock New Product	Mfr. Part # BTN06G104H4EF1T0A Mouser Part # 652-BTN06104H4EF1T0A New Product	Bourns	NTC Thermistors NTC SMD 0603 100kO 3% B25/50 4250K Learn More about Bourns btn06g ntc thermistors	Datasheet	8,000In Stock	Cut Tape $0.16 $0.141 $0.124 $0.099 Reel $0.075 View $0.087 $0.083 $0.072 $0.069 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC Thermistors NTC SMD 0603 10kO 1% B25/50 3380K BTN06G103F3HF1T0A Bourns 1: $0.13 7,981In Stock New Product	Mfr. Part # BTN06G103F3HF1T0A Mouser Part # 652-BTN06103F3HF1T0A New Product	Bourns	NTC Thermistors NTC SMD 0603 10kO 1% B25/50 3380K Learn More about Bourns btn06g ntc thermistors	Datasheet	7,981In 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
NTC Thermistors NTC SMD 0603 100kO 1% B25/50 4250K BTN06G104F4EF1T0A Bourns 1: $0.16 8,000In Stock New Product	Mfr. Part # BTN06G104F4EF1T0A Mouser Part # 652-BTN06104F4EF1T0A New Product	Bourns	NTC Thermistors NTC SMD 0603 100kO 1% B25/50 4250K Learn More about Bourns btn06g ntc thermistors	Datasheet	8,000In Stock	Cut Tape $0.16 $0.141 $0.124 $0.099 Reel $0.075 View $0.087 $0.083 $0.072 $0.069 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
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 10kO 3% B25/50 3380K BTN06G103H3HF1T0A Bourns 1: $0.13 8,000In Stock New Product	Mfr. Part # BTN06G103H3HF1T0A Mouser Part # 652-BTN06103H3HF1T0A New Product	Bourns	NTC Thermistors NTC SMD 0603 10kO 3% B25/50 3380K Learn More about Bourns btn06g ntc thermistors	Datasheet	8,000In Stock	Cut Tape $0.13 $0.115 $0.101 $0.083 Reel $0.062 View $0.073 $0.069 $0.059 $0.057 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC Thermistors NTC SMD 0603 47kO 2% B25/50 4050K BTN06G473G4AF1T00 Bourns 1: $0.13 7,997In Stock New Product	Mfr. Part # BTN06G473G4AF1T00 Mouser Part # 652-BTN064734AF1T00 New Product	Bourns	NTC Thermistors NTC SMD 0603 47kO 2% B25/50 4050K Learn More about Bourns btn06g ntc thermistors	Datasheet	7,997In 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
NTC Thermistors NTC SMD 0603 10kO 2% B25/50 3380K BTN06G103G3HF1T0A Bourns 1: $0.13 7,869In Stock New Product	Mfr. Part # BTN06G103G3HF1T0A Mouser Part # 652-BTN061033HF1T0A New Product	Bourns	NTC Thermistors NTC SMD 0603 10kO 2% B25/50 3380K Learn More about Bourns btn06g ntc thermistors	Datasheet	7,869In 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
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
NTC Thermistors NTC SMD 0603 100kO 2% B25/50 4250K BTN06G104G4EF1T0A Bourns 1: $0.16 8,000In Stock New Product	Mfr. Part # BTN06G104G4EF1T0A Mouser Part # 652-BTN061044EF1T0A New Product	Bourns	NTC Thermistors NTC SMD 0603 100kO 2% B25/50 4250K Learn More about Bourns btn06g ntc thermistors	Datasheet	8,000In Stock	Cut Tape $0.16 $0.141 $0.124 $0.099 Reel $0.075 View $0.087 $0.083 $0.072 $0.069 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Varistors 20mm Radial Disc-Kinked Leads,Bulk MOV-20D152KKC Bourns 1: $3.41 175In Stock New Product	Mfr. Part # MOV-20D152KKC Mouser Part # 652-MOV-20D152KKC New Product	Bourns	Varistors 20mm Radial Disc-Kinked Leads,Bulk Learn More about Bourns mov kc metal oxide varistors	Datasheet	175In Stock	$3.41 $2.16 $1.67 $1.56 View $1.37 $1.15 $1.12	Min.: 1 Mult.: 1
Thermal Cutoffs TCO, High Current, SMD, 90C, Self Hold AEC-Q200 SD90ABB Bourns 1: $1.96 14,922In 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	14,922In Stock	Cut Tape $1.96 $1.86 $1.76 $1.68 View Reel $1.15 $1.61 $1.51 $1.35 $1.30 $1.15 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 470V, REEL GDT25-47-S1-RP Bourns 1: $1.10 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 $1.01 $0.836 $0.772 Reel $0.563 View $0.694 $0.64 $0.542 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: $1.81 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 $1.81 $1.67 $1.39 $1.28 Reel $0.932 View $1.15 $1.06 $0.853 $0.812 MouseReel Available	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 1,563In 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	1,563In Stock	Cut Tape $1.81 $1.67 $1.39 $1.28 Reel $0.932 View $1.15 $1.01 $0.853 $0.812 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: $1.78 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 $1.64 $1.36 $1.26 Reel $0.926 View $1.13 $1.04 $0.839 $0.797 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Fuse Holder FB1 FUSE BLOCK 110A FUSE FB1-110 Bourns 1: $75.81 123In Stock	Mfr. Part # FB1-110 Mouser Part # 652-FB1-110	Bourns	Fuse Holder FB1 FUSE BLOCK 110A FUSE	Datasheet	123In Stock	$75.81 $62.88 $58.00 $48.00 $45.86	Min.: 1 Mult.: 1
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 350V GDT35-35-S1-RP Bourns 1: $1.78 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 $1.64 $1.36 $1.26 Reel $0.932 View $1.13 $1.04 $0.839 $0.797 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: $1.78 1,950In 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	1,950In Stock	Cut Tape $1.78 $1.64 $1.36 $1.26 Reel $0.932 View $1.13 $1.04 $0.839 $0.797 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: $1.78 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 $1.64 $1.36 $1.26 Reel $0.932 View $1.13 $1.04 $0.839 $0.797 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
NTC Thermistors 13 dia Power NTC 5ohm Y kink bulk BN-LG13Y5R0MYB Bourns 1: $0.81 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	Min.: 1 Mult.: 1
NTC Thermistors 15 dia Power NTC 120ohm Y kink bulk BN-LG15Y121MYB Bourns 1: $0.71 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	$0.71 $0.609 $0.574 $0.523 View $0.476 $0.456 $0.365 $0.343 $0.326	Min.: 1 Mult.: 1

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