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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.
Thyristor Surge Protection Devices - TSPD PROTECTOR - SINGLE BIDIRECTIONAL TISP4125H3BJR-S Bourns 1: $1.45 11,353In Stock	Mfr. Part No. TISP4125H3BJR-S Mouser Part No 652-TISP4125H3BJR-S	Bourns	Thyristor Surge Protection Devices - TSPD PROTECTOR - SINGLE BIDIRECTIONAL Learn More about Bourns TISP protectors for VDSL GFast	Datasheet	11,353In Stock	Cut Tape $1.45 $0.897 $0.591 $0.463 Reel $0.361 View $0.407 $0.327 $0.32 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT35 Design Kit DK-GDT35-01 Bourns 1: $31.11 42In Stock	Mfr. Part No. DK-GDT35-01 Mouser Part No 652-DK-GDT35-01	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT35 Design Kit Learn More about Bourns gdt35 design kit	Datasheet	42In Stock	$31.11 $31.10 $27.75 $27.17	Min.: 1 Mult.: 1
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 420V, REEL GDT25-42-S1-RP Bourns 1: $1.10 1,537In Stock	Mfr. Part No. GDT25-42-S1-RP Mouser Part No 652-GDT25-42-S1-RP	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 420V, REEL Learn More about Bourns gdt25 gdt arrestors	Datasheet	1,537In Stock	Cut Tape $1.10 $0.954 $0.829 $0.763 View Reel $0.561 $0.693 $0.578 $0.561 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GAS DISCHARGE TUBE 2POLE 230VOLT 2027-23-BT1LF Bourns 1: $1.54 2,997In Stock	Mfr. Part No. 2027-23-BT1LF Mouser Part No 652-2027-23-BT1LF	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GAS DISCHARGE TUBE 2POLE 230VOLT Learn More about Bourns 2027 gas discharge tubes	Datasheet	2,997In Stock	Cut Tape $1.54 $1.42 $1.17 $1.09 View Reel $0.823 $0.976 $0.87 $0.823	Min.: 1 Mult.: 1 : 1,000
LED Protection Devices 18volts LSP1800AJR-S Bourns 1: $0.97 9,868In Stock	Mfr. Part No. LSP1800AJR-S Mouser Part No 652-LSP1800AJR-S	Bourns	LED Protection Devices 18volts Learn More about Bourns LSPxxxxAJR	Datasheet	9,868In Stock	Cut Tape $0.97 $0.594 $0.387 $0.298 Reel $0.204 View $0.257 $0.233 $0.201 $0.195 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Resettable Fuses - PPTC 2920 Resettable SMD PPTC 2.6A/6V MF-LSMF260/6X-2 Bourns 1: $0.711 8,841In Stock	Mfr. Part No. MF-LSMF260/6X-2 Mouser Part No 652-MF-LSMF260/6X-2	Bourns	Resettable Fuses - PPTC 2920 Resettable SMD PPTC 2.6A/6V Learn More about Bourns mflsmf	Datasheet	8,841In Stock	Cut Tape $0.711 $0.559 $0.506 $0.386 View Reel $0.29 $0.359 $0.335 $0.329 $0.322 $0.29 MouseReel Available	Min.: 1 Mult.: 1 : 6,000
Resettable Fuses - PPTC 2920 Resettable SMD PPTC 3.3A/12V MF-LSMF330/12X-2 Bourns 1: $0.90 12,644In Stock	Mfr. Part No. MF-LSMF330/12X-2 Mouser Part No 652-MF-LSMF330/12X-2	Bourns	Resettable Fuses - PPTC 2920 Resettable SMD PPTC 3.3A/12V Learn More about Bourns mflsmf	Datasheet	12,644In Stock	Cut Tape $0.90 $0.69 $0.647 $0.488 View Reel $0.361 $0.454 $0.426 $0.372 $0.361 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC 2920 Resettable SMD PPTC 3.3A/16V MF-LSMF330/16X-2 Bourns 1: $1.05 7,440In Stock	Mfr. Part No. MF-LSMF330/16X-2 Mouser Part No 652-MF-LSMF330/16X-2	Bourns	Resettable Fuses - PPTC 2920 Resettable SMD PPTC 3.3A/16V Learn More about Bourns mflsmf	Datasheet	7,440In Stock	Cut Tape $1.05 $0.804 $0.754 $0.57 View Reel $0.421 $0.53 $0.495 $0.434 $0.421 $0.421 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Resettable Fuses - PPTC 2920 Resettable SMD PPTC 3.3A/24V MF-LSMF330/24X-2 Bourns 1: $1.45 8,820In Stock	Mfr. Part No. MF-LSMF330/24X-2 Mouser Part No 652-MF-LSMF330/24X-2	Bourns	Resettable Fuses - PPTC 2920 Resettable SMD PPTC 3.3A/24V Learn More about Bourns mflsmf	Datasheet	8,820In Stock	Cut Tape $1.45 $1.12 $0.837 $0.818 $0.761 Reel $0.692 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Resettable Fuses - PPTC PTC RESETTABLE 1.5A 12V SMD 1812 MF-MSMF150/12-2 Bourns 1: $0.52 18,838In Stock	Mfr. Part No. MF-MSMF150/12-2 Mouser Part No 652-MF-MSMF150/12-2	Bourns	Resettable Fuses - PPTC PTC RESETTABLE 1.5A 12V SMD 1812 Learn More about Bourns mf msmf series fuses	Datasheet	18,838In Stock	Cut Tape $0.52 $0.394 $0.37 $0.279 View Reel $0.179 $0.261 $0.243 $0.213 $0.204 $0.179 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Resettable Fuses - PPTC PTC RESETTABLE 0.1A 60V RADIAL LEADED MF-R010-AP Bourns 1: $0.45 16,470In Stock	Mfr. Part No. MF-R010-AP Mouser Part No 652-MF-R010-AP	Bourns	Resettable Fuses - PPTC PTC RESETTABLE 0.1A 60V RADIAL LEADED Learn More about Bourns mf r	Datasheet	16,470In Stock	$0.45 $0.345 $0.323 $0.244 View Reel $0.157 $0.227 $0.213 $0.186 $0.178 $0.157	Min.: 1 Mult.: 1 : 4,000
Resettable Fuses - PPTC PTC RESETTABLE 0.75A 60V RADIAL LEADED MF-R075-AP Bourns 1: $0.54 10,134In Stock	Mfr. Part No. MF-R075-AP Mouser Part No 652-MF-R075-AP	Bourns	Resettable Fuses - PPTC PTC RESETTABLE 0.75A 60V RADIAL LEADED Learn More about Bourns mf r	Datasheet	10,134In Stock	$0.54 $0.411 $0.385 $0.291 View Reel $0.184 $0.271 $0.254 $0.221 $0.212 $0.184	Min.: 1 Mult.: 1 : 4,000
Resettable Fuses - PPTC 30V 1.85A-HD 40A MAX MF-R185-0-17 Bourns 1: $0.60 11,112In Stock	Mfr. Part No. MF-R185-0-17 Mouser Part No 652-MF-R185-0-17	Bourns	Resettable Fuses - PPTC 30V 1.85A-HD 40A MAX Learn More about Bourns mf r	Datasheet	11,112In Stock	$0.60 $0.461 $0.431 $0.326 View $0.304 $0.283 $0.248 $0.237 $0.206	Min.: 1 Mult.: 1
Resettable Fuses - PPTC PTC RESETTABLE 2.5A 30V RADIAL LEADED MF-R250-2-10 Bourns 1: $0.65 8,281In Stock	Mfr. Part No. MF-R250-2-10 Mouser Part No 652-MF-R250-2-10	Bourns	Resettable Fuses - PPTC PTC RESETTABLE 2.5A 30V RADIAL LEADED Learn More about Bourns mf r	Datasheet	8,281In Stock	Cut Tape $0.65 $0.493 $0.462 $0.349 Reel $0.254 View $0.326 $0.304 $0.266 $0.22	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC PTC 10.0A 16V RADIAL LEADED HI-TEMP MF-RHT1000-2 Bourns 1: $1.28 8,789In Stock	Mfr. Part No. MF-RHT1000-2 Mouser Part No 652-MF-RHT1000-2	Bourns	Resettable Fuses - PPTC PTC 10.0A 16V RADIAL LEADED HI-TEMP Learn More about Bourns mf rht fuses	Datasheet	8,789In Stock	Cut Tape $1.28 $1.02 $0.762 $0.745 Reel $0.558 View $0.68 $0.626 $0.531 $0.455	Min.: 1 Mult.: 1 : 1,000
Resettable Fuses - PPTC PTC RESETTABLE 0.5A 72V RADIAL LEADED MF-RX050/72-AP Bourns 1: $0.48 9,242In Stock	Mfr. Part No. MF-RX050/72-AP Mouser Part No 652-MF-RX050/72-AP	Bourns	Resettable Fuses - PPTC PTC RESETTABLE 0.5A 72V RADIAL LEADED Learn More about Bourns multifuse	Datasheet	9,242In Stock	$0.48 $0.361 $0.34 $0.256 View Reel $0.164 $0.238 $0.223 $0.195 $0.187 $0.164	Min.: 1 Mult.: 1 : 4,000
Resettable Fuses - PPTC 30V 100MA-HD 20A MAX MF-USHT010KX-2 Bourns 1: $0.69 12,626In Stock	Mfr. Part No. MF-USHT010KX-2 Mouser Part No 652-MF-USHT010KX-2	Bourns	Resettable Fuses - PPTC 30V 100MA-HD 20A MAX Learn More about Bourns mf usht	Datasheet	12,626In Stock	Cut Tape $0.69 $0.526 $0.493 $0.372 Reel $0.27 View $0.347 $0.324 $0.283 $0.235 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5500volts 1pF STRAIGHT LEADS SA2-5500-CLT-STD Bourns 1: $3.13 1,999In Stock	Mfr. Part No. SA2-5500-CLT-STD Mouser Part No 652-SA2-5500-CLTSTD	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5500volts 1pF STRAIGHT LEADS Learn More about Bourns Bourns SA2	Datasheet	1,999In Stock	Cut Tape $3.13 $2.90 $2.40 $2.21 Reel $1.67 View $1.99 $1.83 $1.55	Min.: 1 Mult.: 1 : 1,000
Surface Mount Fuses .5A 32V FAST ACTING SF-0402FP050-2 Bourns 1: $0.761 19,711In Stock	Mfr. Part No. SF-0402FP050-2 Mouser Part No 652-SF-0402FP050-2	Bourns	Surface Mount Fuses .5A 32V FAST ACTING Learn More about Bourns precision fast acting smd fuses	Datasheet	19,711In Stock	Cut Tape $0.761 $0.604 $0.509 $0.447 View Reel $0.283 $0.402 $0.371 $0.342 $0.315 $0.283 $0.283 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Surface Mount Fuses 1.5A Slow Blow 0402 SinglFuse SF-0402S150-2 Bourns 1: $0.53 12,952In Stock	Mfr. Part No. SF-0402S150-2 Mouser Part No 652-SF-0402S150-2	Bourns	Surface Mount Fuses 1.5A Slow Blow 0402 SinglFuse Learn More about Bourns slow blow smd fuses	Datasheet	12,952In Stock	Cut Tape $0.53 $0.485 $0.424 $0.397 View Reel $0.245 $0.371 $0.351 $0.328 $0.319 $0.245 $0.245 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Surface Mount Fuses 5A 32V FAST ACTING SF-0603FP500-2 Bourns 1: $0.59 12,781In Stock	Mfr. Part No. SF-0603FP500-2 Mouser Part No 652-SF-0603FP500-2	Bourns	Surface Mount Fuses 5A 32V FAST ACTING Learn More about Bourns precision fast acting smd fuses	Datasheet	12,781In Stock	Cut Tape $0.59 $0.511 $0.442 $0.406 View Reel $0.256 $0.373 $0.351 $0.331 $0.322 $0.256 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Surface Mount Fuses 0603 time-lag met-foil. 3A Auto SF-0603SPA300R-2 Bourns 1: $1.14 5,591In Stock	Mfr. Part No. SF-0603SPA300R-2 Mouser Part No 652-SF-0603SPA300R-2	Bourns	Surface Mount Fuses 0603 time-lag met-foil. 3A Auto Learn More about Bourns sf 0603spa r automotive fuses	Datasheet	5,591In Stock	Cut Tape $1.14 $0.835 $0.687 $0.618 View Reel $0.543 $0.556 $0.543 $0.543 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Surface Mount Fuses 0603 time-lag met-foil. 7A Auto SF-0603SPA700R-2 Bourns 1: $0.761 8,558In Stock	Mfr. Part No. SF-0603SPA700R-2 Mouser Part No 652-SF-0603SPA700R-2	Bourns	Surface Mount Fuses 0603 time-lag met-foil. 7A Auto Learn More about Bourns sf 0603spa r automotive fuses	Datasheet	8,558In Stock	Cut Tape $0.761 $0.697 $0.608 $0.569 View Reel $0.476 $0.529 $0.502 $0.487 $0.476 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Surface Mount Fuses 1.25A 63V TIME DELAY SF-1206SP125-2 Bourns 1: $0.72 15,567In Stock	Mfr. Part No. SF-1206SP125-2 Mouser Part No 652-SF-1206SP125-2	Bourns	Surface Mount Fuses 1.25A 63V TIME DELAY Learn More about Bourns precision slow blow smd fuses	Datasheet	15,567In Stock	Cut Tape $0.72 $0.573 $0.483 $0.424 View Reel $0.281 $0.366 $0.347 $0.324 $0.315 $0.281 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Thyristor Surge Protection Devices - TSPD 65V TISP4080H3BJR-S Bourns 1: $1.44 5,169In Stock	Mfr. Part No. TISP4080H3BJR-S Mouser Part No 652-TISP4080H3BJR-S	Bourns	Thyristor Surge Protection Devices - TSPD 65V Learn More about Bourns TISP protectors for VDSL GFast	Datasheet	5,169In Stock	Cut Tape $1.44 $0.909 $0.604 $0.471 Reel $0.365 View $0.402 $0.358 MouseReel Available	Min.: 1 Mult.: 1 : 3,000

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