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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 10mm Radial Disc MOV - Kinked Leads, T&R MOV-10D331KKTR Bourns 1: $0.63 1,819In Stock	Mfr. Part No. MOV-10D331KKTR Mouser Part No 652-MOV-10D331KKTR	Bourns	Varistors 10mm Radial Disc MOV - Kinked Leads, T&R Learn More about Bourns mov xd metal oxide varistors	Datasheet	1,819In Stock	Cut Tape $0.63 $0.374 $0.233 $0.208 Reel $0.154 View $0.173 $0.127 $0.113 $0.106 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Varistors 10mm Radial Disc MOV - Kinked Leads, T&R MOV-10D361KKTR Bourns 1: $0.63 3,499In Stock	Mfr. Part No. MOV-10D361KKTR Mouser Part No 652-MOV-10D361KKTR	Bourns	Varistors 10mm Radial Disc MOV - Kinked Leads, T&R Learn More about Bourns mov xd metal oxide varistors	Datasheet	3,499In Stock	Cut Tape $0.63 $0.374 $0.233 $0.208 Reel $0.154 View $0.173 $0.137 $0.113 $0.106 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Varistors 14mm Radial Disc MOV - Kinked Leads, T&R MOV-14D361KKTR Bourns 1: $0.84 5,622In Stock	Mfr. Part No. MOV-14D361KKTR Mouser Part No 652-MOV-14D361KKTR	Bourns	Varistors 14mm Radial Disc MOV - Kinked Leads, T&R Learn More about Bourns mov xd metal oxide varistors	Datasheet	5,622In Stock	Cut Tape $0.84 $0.506 $0.317 $0.279 Reel $0.238 View $0.212 $0.191 $0.167 $0.154 MouseReel Available	Min.: 1 Mult.: 1 : 400
Varistors 14mm Radial Disc MOV - Kinked Leads, T&R MOV-14D621KKTR Bourns 1: $1.13 4,466In Stock	Mfr. Part No. MOV-14D621KKTR Mouser Part No 652-MOV-14D621KKTR	Bourns	Varistors 14mm Radial Disc MOV - Kinked Leads, T&R Learn More about Bourns mov xd metal oxide varistors	Datasheet	4,466In Stock	Cut Tape $1.13 $0.683 $0.435 $0.385 Reel $0.33 View $0.297 $0.269 $0.24 $0.233 MouseReel Available	Min.: 1 Mult.: 1 : 400
Varistors 20mm Radial Disc MOV - Kinked Leads, T&R MOV-20D101KKTR Bourns 1: $1.40 3,249In Stock	Mfr. Part No. MOV-20D101KKTR Mouser Part No 652-MOV-20D101KKTR	Bourns	Varistors 20mm Radial Disc MOV - Kinked Leads, T&R Learn More about Bourns mov xd metal oxide varistors	Datasheet	3,249In Stock	Cut Tape $1.40 $0.85 $0.597 Reel $0.554 $0.47 View $0.384 $0.35 $0.333 MouseReel Available	Min.: 1 Mult.: 1 : 250
Varistors 20mm Radial Disc MOV - Kinked Leads, T&R MOV-20D621KKTR Bourns 1: $1.77 2,026In Stock 12,000On Order	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	2,026In Stock 12,000On Order On Order Ship Dates Mfr. No: MOV-20D621KKTR Stock: 2,026 Can Dispatch Immediately On Order: 6,000 Expected 2026/10/12 6,000 Expected 2026/12/22 Factory Lead Time: 13 Weeks	Cut Tape $1.77 $1.09 $0.749 Reel $0.699 $0.618 View $0.504 $0.478 $0.461 MouseReel Available	Min.: 1 Mult.: 1 : 250
Varistors 7mm Radial Disc MOV - Kinked Leads, T&R MOV-07D101KKTR Bourns 1: $0.48 3,105In Stock	Mfr. Part No. MOV-07D101KKTR Mouser Part No 652-MOV-07D101KKTR	Bourns	Varistors 7mm Radial Disc MOV - Kinked Leads, T&R Learn More about Bourns mov xd metal oxide varistors	Datasheet	3,105In Stock	Cut Tape $0.48 $0.354 $0.20 $0.166 Reel $0.091 View $0.133 $0.104 $0.084 $0.067 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Varistors 7mm Radial Disc MOV - Kinked Leads, T&R MOV-07D271KKTR Bourns 1: $0.42 3,711In Stock	Mfr. Part No. MOV-07D271KKTR Mouser Part No 652-MOV-07D271KKTR	Bourns	Varistors 7mm Radial Disc MOV - Kinked Leads, T&R Learn More about Bourns mov xd metal oxide varistors	Datasheet	3,711In Stock	Cut Tape $0.42 $0.285 $0.162 $0.134 Reel $0.074 View $0.107 $0.094 $0.057 $0.053 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Varistors 7mm Radial Disc MOV - Kinked Leads, T&R MOV-07D301KKTR Bourns 1: $0.44 3,923In Stock	Mfr. Part No. MOV-07D301KKTR Mouser Part No 652-MOV-07D301KKTR	Bourns	Varistors 7mm Radial Disc MOV - Kinked Leads, T&R Learn More about Bourns mov xd metal oxide varistors	Datasheet	3,923In Stock	Cut Tape $0.44 $0.324 $0.184 $0.152 Reel $0.083 View $0.122 $0.095 $0.077 $0.06 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Varistors 7mm Radial Disc MOV - Kinked Leads, T&R MOV-07D751KKTR Bourns 1: $0.57 5,973In Stock	Mfr. Part No. MOV-07D751KKTR Mouser Part No 652-MOV-07D751KKTR	Bourns	Varistors 7mm Radial Disc MOV - Kinked Leads, T&R Learn More about Bourns mov xd metal oxide varistors	Datasheet	5,973In Stock	Cut Tape $0.57 $0.363 $0.227 $0.191 Reel $0.134 View $0.155 $0.119 $0.104 $0.087 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Varistors 7mm Radial Disc MOV - Kinked Leads, T&R MOV-07D820KKTR Bourns 1: $0.48 3,487In Stock	Mfr. Part No. MOV-07D820KKTR Mouser Part No 652-MOV-07D820KKTR	Bourns	Varistors 7mm Radial Disc MOV - Kinked Leads, T&R Learn More about Bourns mov xd metal oxide varistors	Datasheet	3,487In Stock	Cut Tape $0.48 $0.30 $0.187 $0.158 Reel $0.10 View $0.128 $0.113 $0.087 $0.074 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Varistors 7mm Radial Disc MOV - Kinked Leads, T&R MOV-07D821KKTR Bourns 1: $0.57 3,227In Stock	Mfr. Part No. MOV-07D821KKTR Mouser Part No 652-MOV-07D821KKTR	Bourns	Varistors 7mm Radial Disc MOV - Kinked Leads, T&R Learn More about Bourns mov xd metal oxide varistors	Datasheet	3,227In Stock	Cut Tape $0.57 $0.337 $0.208 $0.183 Reel $0.135 View $0.154 $0.122 $0.101 $0.094 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Varistors 10mm Radial Disc MOV - Kinked Leads, T&R MOV-10D151KKTR Bourns 1: $0.661 1,860In Stock	Mfr. Part No. MOV-10D151KKTR Mouser Part No 652-MOV-10D151KKTR	Bourns	Varistors 10mm Radial Disc MOV - Kinked Leads, T&R Learn More about Bourns mov xd metal oxide varistors	Datasheet	1,860In Stock	Cut Tape $0.661 $0.391 $0.244 $0.221 Reel $0.16 View $0.183 $0.134 $0.12 $0.112 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Varistors 10mm Radial Disc MOV - Kinked Leads, T&R MOV-10D221KKTR Bourns 1: $0.63 1,912In Stock	Mfr. Part No. MOV-10D221KKTR Mouser Part No 652-MOV-10D221KKTR	Bourns	Varistors 10mm Radial Disc MOV - Kinked Leads, T&R Learn More about Bourns mov xd metal oxide varistors	Datasheet	1,912In Stock	Cut Tape $0.63 $0.374 $0.233 $0.208 Reel $0.154 View $0.173 $0.127 $0.113 $0.106	Min.: 1 Mult.: 1 : 1,000
Varistors 10mm Radial Disc MOV - Kinked Leads, T&R MOV-10D681KKTR Bourns 1: $0.80 1,867In Stock	Mfr. Part No. MOV-10D681KKTR Mouser Part No 652-MOV-10D681KKTR	Bourns	Varistors 10mm Radial Disc MOV - Kinked Leads, T&R Learn More about Bourns mov xd metal oxide varistors	Datasheet	1,867In Stock	Cut Tape $0.80 $0.476 $0.299 $0.259 Reel $0.223 View $0.199 $0.167 $0.151 $0.144	Min.: 1 Mult.: 1 : 500
Varistors 10mm Radial Disc MOV - Kinked Leads, T&R MOV-10D820KKTR Bourns 1: $0.55 1,634In Stock	Mfr. Part No. MOV-10D820KKTR Mouser Part No 652-MOV-10D820KKTR	Bourns	Varistors 10mm Radial Disc MOV - Kinked Leads, T&R Learn More about Bourns mov xd metal oxide varistors	Datasheet	1,634In Stock	Cut Tape $0.55 $0.34 $0.217 $0.197 Reel $0.144 View $0.164 $0.12 $0.106 $0.10 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Varistors 14mm Radial Disc MOV - Kinked Leads, T&R MOV-14D121KKTR Bourns 1: $0.88 5,672In Stock	Mfr. Part No. MOV-14D121KKTR Mouser Part No 652-MOV-14D121KKTR	Bourns	Varistors 14mm Radial Disc MOV - Kinked Leads, T&R Learn More about Bourns mov xd metal oxide varistors	Datasheet	5,672In Stock	Cut Tape $0.88 $0.527 $0.331 $0.291 Reel $0.247 View $0.221 $0.199 $0.176 $0.162 MouseReel Available	Min.: 1 Mult.: 1 : 500
Varistors 14mm Radial Disc MOV - Kinked Leads, T&R MOV-14D151KKTR Bourns 1: $0.811 5,897In Stock	Mfr. Part No. MOV-14D151KKTR Mouser Part No 652-MOV-14D151KKTR	Bourns	Varistors 14mm Radial Disc MOV - Kinked Leads, T&R Learn More about Bourns mov xd metal oxide varistors	Datasheet	5,897In Stock	Cut Tape $0.811 $0.487 $0.306 $0.269 Reel $0.229 View $0.204 $0.184 $0.162 $0.148 MouseReel Available	Min.: 1 Mult.: 1 : 500
Varistors 14mm Radial Disc MOV - Kinked Leads, T&R MOV-14D220KKTR Bourns 1: $0.95 4,130In Stock	Mfr. Part No. MOV-14D220KKTR Mouser Part No 652-MOV-14D220KKTR	Bourns	Varistors 14mm Radial Disc MOV - Kinked Leads, T&R Learn More about Bourns mov xd metal oxide varistors	Datasheet	4,130In Stock	Cut Tape $0.95 $0.572 $0.366 $0.34 Reel $0.287 View $0.245 $0.222 $0.193 $0.187 MouseReel Available	Min.: 1 Mult.: 1 : 500
Varistors 20mm Radial Disc MOV - Kinked Leads, Bulk MOV-20D101KK Bourns 1: $1.33 2,000In Stock	Mfr. Part No. MOV-20D101KK Mouser Part No 652-MOV-20D101KK	Bourns	Varistors 20mm Radial Disc MOV - Kinked Leads, Bulk Learn More about Bourns mov xd metal oxide varistors	Datasheet	2,000In Stock	$1.33 $0.799 $0.512 $0.469 View $0.398 $0.352 $0.307 $0.283	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes SM8S - CA 28V SM8S28CA-Q Bourns 1: $3.83 1,500In Stock 2,250Expected 2026/11/18	Mfr. Part No. SM8S28CA-Q Mouser Part No 652-SM8S28CA-Q	Bourns	ESD Protection Diodes / TVS Diodes SM8S - CA 28V Learn More about Bourns sm8s q diode	Datasheet	1,500In Stock 2,250Expected 2026/11/18	Cut Tape $3.83 $2.50 $1.95 $1.65 Reel $1.52 MouseReel Available	Min.: 1 Mult.: 1 : 750
Industrial Surge Protectors AC SPD, 3W-G,550VAC 1250A-3S-480 Bourns 1: $328.98 Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. 1250A-3S-480 Mouser Part No 652-1250A-3S-480	Bourns	Industrial Surge Protectors AC SPD, 3W-G,550VAC Learn More about Bourns 1250a ac spds	Datasheet	Non-Stocked Lead-Time 14 Weeks	$328.98 $300.03 $286.20 $276.25 View Quote	Min.: 1 Mult.: 1
Varistors 7mm Radial Disc MOV - Kinked Leads, T&R MOV-07D151KKTR Bourns 1: $0.45 3,385In Stock	Mfr. Part No. MOV-07D151KKTR Mouser Part No 652-MOV-07D151KKTR	Bourns	Varistors 7mm Radial Disc MOV - Kinked Leads, T&R Learn More about Bourns mov xd metal oxide varistors	Datasheet	3,385In Stock	Cut Tape $0.45 $0.281 $0.176 $0.148 Reel $0.094 View $0.12 $0.106 $0.081 $0.07	Min.: 1 Mult.: 1 : 2,000
Varistors 7mm Radial Disc MOV - Kinked Leads, T&R MOV-07D180KKTR Bourns 1: $0.50 3,225In Stock	Mfr. Part No. MOV-07D180KKTR Mouser Part No 652-MOV-07D180KKTR	Bourns	Varistors 7mm Radial Disc MOV - Kinked Leads, T&R Learn More about Bourns mov xd metal oxide varistors	Datasheet	3,225In Stock	Cut Tape $0.50 $0.323 $0.201 $0.169 Reel $0.106 View $0.138 $0.12 $0.092 $0.08 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Varistors 7mm Radial Disc MOV - Kinked Leads, T&R MOV-07D221KKTR Bourns 1: $0.44 3,659In Stock	Mfr. Part No. MOV-07D221KKTR Mouser Part No 652-MOV-07D221KKTR	Bourns	Varistors 7mm Radial Disc MOV - Kinked Leads, T&R Learn More about Bourns mov xd metal oxide varistors	Datasheet	3,659In Stock	Cut Tape $0.44 $0.324 $0.184 $0.152 Reel $0.083 View $0.122 $0.095 $0.077 $0.06 MouseReel Available	Min.: 1 Mult.: 1 : 2,000

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