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Circuit Protection

Circuit Protection devices and components are available at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many circuit protection manufacturers including Bourns, Eaton, TDK, Littelfuse, Semtech, Vishay, & more.
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Types of Circuit Protection

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (TWD) Filter the results in the table by unit price based on your quantity.	Qty.
ESD Protection Diodes / TVS Diodes 4V, 0.55pF, 20A, SOD882 SC4340L-01ETG Littelfuse 1: NT$28.68 20,046In Stock New Product	Mfr. Part # SC4340L-01ETG Mouser Part # 576-SC4340L-01ETG New Product	Littelfuse	ESD Protection Diodes / TVS Diodes 4V, 0.55pF, 20A, SOD882 Learn More about Littelfuse sx4340l tvs diode arrays		20,046In Stock	Cut Tape NT$28.68 NT$18.18 NT$11.62 NT$8.64 Reel NT$5.05 View NT$6.99 NT$6.02 NT$5.95 NT$4.77	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 400W,20V5%,SMFBIDIRTVS Vishay Semiconductors 4SMF20CA-M3/I 4SMF20CA-M3/I Vishay Semiconductors 1: NT$17.57 7,871In Stock New Product	Mfr. Part # 4SMF20CA-M3/I Mouser Part # 78-4SMF20CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,20V5%,SMFBIDIRTVS	Datasheet	7,871In Stock	Cut Tape NT$17.57 NT$12.12 NT$5.95 NT$4.95 Reel NT$2.51 View NT$3.44 NT$3.01 NT$2.87 NT$2.26	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 400W,26V5%,SMFBIDIRTVS Vishay Semiconductors 4SMF26CA-M3/I 4SMF26CA-M3/I Vishay Semiconductors 1: NT$17.93 19,234In Stock New Product	Mfr. Part # 4SMF26CA-M3/I Mouser Part # 78-4SMF26CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,26V5%,SMFBIDIRTVS	Datasheet	19,234In Stock	Cut Tape NT$17.93 NT$12.58 NT$6.17 NT$5.16 Reel NT$2.58 View NT$3.59 NT$3.12 NT$2.98 NT$2.33	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 400W,16V5%,SMFBIDIRTVS Vishay Semiconductors 4SMF16CA-M3/I 4SMF16CA-M3/I Vishay Semiconductors 1: NT$17.57 7,916In Stock New Product	Mfr. Part # 4SMF16CA-M3/I Mouser Part # 78-4SMF16CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,16V5%,SMFBIDIRTVS	Datasheet	7,916In Stock	Cut Tape NT$17.57 NT$12.12 NT$5.95 NT$4.95 Reel NT$2.51 View NT$3.44 NT$3.01 NT$2.87 NT$2.26	Min.: 1 Mult.: 1 : 10,000
NTC Thermistors NTC LUG M5 10k 1% G24 64mm A Vishay / BC Components NTCALUG54A103F640A NTCALUG54A103F640A Vishay / BC Components 1: NT$110.78 266In Stock New Product	Mfr. Part # NTCALUG54A103F640A Mouser Part # 594-NTCALUG54A103F6 New Product	Vishay / BC Components	NTC Thermistors NTC LUG M5 10k 1% G24 64mm A	Datasheet	266In Stock	NT$110.78 NT$83.17 NT$74.21 NT$70.27 View NT$68.47 NT$68.12 NT$58.79 NT$57.72 NT$55.57	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 350W,58V5%,SMFBIDIRTVS Vishay Semiconductors 4SMF58CAHM3/I 4SMF58CAHM3/I Vishay Semiconductors 1: NT$21.15 6,969In Stock New Product	Mfr. Part # 4SMF58CAHM3/I Mouser Part # 78-4SMF58CAHM3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 350W,58V5%,SMFBIDIRTVS	Datasheet	6,969In Stock	Cut Tape NT$21.15 NT$13.12 NT$8.39 NT$6.27 Reel NT$3.66 View NT$5.05 NT$4.37 NT$4.30 NT$3.44	Min.: 1 Mult.: 1 : 10,000
Power Outlet Strips 13-Outlet Rackmount PDU, 1U Server Power Strip/Supply, 1x Front & 12x Rear Ports 1315B8H-RACK-PDU StarTech 1: NT$5,753.93 4In Stock New Product	Mfr. Part # 1315B8H-RACK-PDU Mouser Part # 179-1315B8HRACKPDU New Product	StarTech	Power Outlet Strips 13-Outlet Rackmount PDU, 1U Server Power Strip/Supply, 1x Front & 12x Rear Ports	Datasheet	4In Stock	NT$5,753.93 NT$5,055.21 NT$4,875.60 NT$4,874.88 View Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes Automotive High Surge ESD - SOT-23,Uni,5V PE4305C2A-AU_R1_007A1 Panjit 1: NT$15.77 5,396In Stock New Product	Mfr. Part # PE4305C2A-AU_R1_007A1 Mouser Part # 241-PE4305C2AAUR17A1 New Product	Panjit	ESD Protection Diodes / TVS Diodes Automotive High Surge ESD - SOT-23,Uni,5V	Datasheet	5,396In Stock	Cut Tape NT$15.77 NT$10.83 NT$5.31 NT$4.45 Reel NT$2.65 View NT$3.08 NT$2.51 NT$2.22 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 400W,10V5%,SMFBIDIRTVS Vishay Semiconductors 4SMF10CA-M3/I 4SMF10CA-M3/I Vishay Semiconductors 1: NT$17.57 8,909In Stock New Product	Mfr. Part # 4SMF10CA-M3/I Mouser Part # 78-4SMF10CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,10V5%,SMFBIDIRTVS	Datasheet	8,909In Stock	Cut Tape NT$17.57 NT$12.12 NT$5.95 NT$4.95 Reel NT$2.51 View NT$3.44 NT$3.01 NT$2.87 NT$2.26	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 400W,17V5%,SMFBIDIRTVS Vishay Semiconductors 4SMF17CA-M3/I 4SMF17CA-M3/I Vishay Semiconductors 1: NT$17.57 7,816In Stock New Product	Mfr. Part # 4SMF17CA-M3/I Mouser Part # 78-4SMF17CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,17V5%,SMFBIDIRTVS	Datasheet	7,816In Stock	Cut Tape NT$17.57 NT$12.12 NT$5.95 NT$4.95 Reel NT$2.51 View NT$3.44 NT$3.01 NT$2.87 NT$2.26	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 400W,18V5%,SMFBIDIRTVS Vishay Semiconductors 4SMF18CA-M3/I 4SMF18CA-M3/I Vishay Semiconductors 1: NT$17.57 7,632In Stock New Product	Mfr. Part # 4SMF18CA-M3/I Mouser Part # 78-4SMF18CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,18V5%,SMFBIDIRTVS	Datasheet	7,632In Stock	Cut Tape NT$17.57 NT$12.12 NT$5.95 NT$4.95 Reel NT$2.51 View NT$3.44 NT$3.01 NT$2.87 NT$2.26	Min.: 1 Mult.: 1 : 10,000
Industrial Surge Protectors SPD 120V Single Phase 36kA SDSA05 Square D 1: NT$3,943.50 7In Stock New Product	Mfr. Part # SDSA05 Mouser Part # 996-SDSA05 New Product	Square D	Industrial Surge Protectors SPD 120V Single Phase 36kA Learn More about Square D sdsa surge protective devices	Datasheet	7In Stock	NT$3,943.50	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes TVS 6KA RATED 450V BI AXIAL AK8-450C-FB Littelfuse 1: NT$4,867.00 4In Stock 56Expected 2/8/2027 New Product	Mfr. Part # AK8-450C-FB Mouser Part # 576-AK8-450C-FB New Product	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 6KA RATED 450V BI AXIAL Learn More about Littelfuse ak8 fb tvs diodes	Datasheet	4In Stock 56Expected 2/8/2027	NT$4,867.00 NT$4,353.27	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 400W,24V5%,SMFBIDIRTVS Vishay Semiconductors 4SMF24CA-M3/I 4SMF24CA-M3/I Vishay Semiconductors 1: NT$17.93 19,328In Stock 10,000Expected 11/23/2026 New Product	Mfr. Part # 4SMF24CA-M3/I Mouser Part # 78-4SMF24CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,24V5%,SMFBIDIRTVS	Datasheet	19,328In Stock 10,000Expected 11/23/2026	Cut Tape NT$17.93 NT$12.58 NT$6.17 NT$5.16 Reel NT$2.58 View NT$3.59 NT$3.12 NT$2.98 NT$2.33	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes TVS 5KW 18V 5%UNI DO-214AB TR13 RoHS Littelfuse 5.0SMDJ18A-E 5.0SMDJ18A-E Littelfuse 1: NT$100.38 3,000In Stock New Product	Mfr. Part # 5.0SMDJ18A-E Mouser Part # 576-5.0SMDJ18AE New Product	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 5KW 18V 5%UNI DO-214AB TR13 RoHS	Datasheet	3,000In Stock	Cut Tape NT$100.38 NT$64.53 NT$52.34 NT$44.10 NT$35.85 Reel NT$30.47	Min.: 1 Mult.: 1 : 3,000
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 315A ESR3XLUB0315XI Littelfuse 1: NT$20,952.89 2In Stock 1Expected 11/30/2026 New Product	Mfr. Part # ESR3XLUB0315XI Mouser Part # 576-ESR3XLUB0315XI New Product	Littelfuse	Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 315A Learn More about Littelfuse esr high speed square body fuses	Datasheet	2In Stock 1Expected 11/30/2026	NT$20,952.89 NT$17,204.77 NT$15,656.41	Min.: 1 Mult.: 1
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 250A ESR3XLUB0250XI Littelfuse 1: NT$18,728.76 3In Stock New Product	Mfr. Part # ESR3XLUB0250XI Mouser Part # 576-ESR3XLUB0250XI New Product	Littelfuse	Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 250A Learn More about Littelfuse esr high speed square body fuses	Datasheet	3In Stock	NT$18,728.76 NT$15,378.22 NT$13,994.41	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 7V & 12V 75pF 20A SOT23-3L SC712-02HTG Littelfuse 1: NT$50.19 2,176In Stock 100Expected 11/17/2026 New Product	Mfr. Part # SC712-02HTG Mouser Part # 576-SC712-02HTG New Product	Littelfuse	ESD Protection Diodes / TVS Diodes 7V & 12V 75pF 20A SOT23-3L Learn More about Littelfuse tvs spa diode arrays	Datasheet	2,176In Stock 100Expected 11/17/2026	Cut Tape NT$50.19 NT$31.55 NT$20.65 NT$15.95 Reel NT$12.87 View NT$13.55 NT$11.69 NT$11.29 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes AUTO TVS TO-263 LOAD DUMP 33A SLD263-33A Littelfuse 1: NT$182.84 336In Stock New Product	Mfr. Part # SLD263-33A Mouser Part # 576-SLD263-33A New Product	Littelfuse	ESD Protection Diodes / TVS Diodes AUTO TVS TO-263 LOAD DUMP 33A Learn More about Littelfuse sld263 tvs diodes	Datasheet	336In Stock	Cut Tape NT$182.84 NT$120.46 NT$98.23 NT$83.17 Reel NT$69.55 MouseReel Available	Min.: 1 Mult.: 1 : 500
ESD Protection Diodes / TVS Diodes TVS 3KW 350V 5%BI DO-214AB TR13 RoHS TPSMD350CA-A Littelfuse 1: NT$106.47 1,618In Stock 3,000Expected 1/12/2027 New Product	Mfr. Part # TPSMD350CA-A Mouser Part # 576-TPSMD350CA-A New Product	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 3KW 350V 5%BI DO-214AB TR13 RoHS Learn More about Littelfuse TPSMD TVS diodes	Datasheet	1,618In Stock 3,000Expected 1/12/2027	Cut Tape NT$106.47 NT$68.83 NT$55.93 NT$47.32 NT$37.28 Reel NT$31.62 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 8A 25pF max SLP0603P2x3L UCLAMP2001ZA.F Semtech 1: NT$21.51 20,800In Stock New Product	Mfr. Part # UCLAMP2001ZA.F Mouser Part # 947-UCLAMP2001ZA New Product	Semtech	ESD Protection Diodes / TVS Diodes 8A 25pF max SLP0603P2x3L	Datasheet	20,800In Stock	Cut Tape NT$21.51 NT$15.06 NT$7.39 NT$6.17 View Reel NT$2.80 NT$4.27 NT$3.73 NT$3.55 NT$3.15 NT$2.80 MouseReel Available	Min.: 1 Mult.: 1 : 15,000
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL DIN 315A ESR3XLDB0315XI Littelfuse 1: NT$20,783.68 3In Stock New Product	Mfr. Part # ESR3XLDB0315XI Mouser Part # 576-ESR3XLDB0315XI New Product	Littelfuse	Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL DIN 315A Learn More about Littelfuse esr high speed square body fuses	Datasheet	3In Stock	NT$20,783.68 NT$17,065.68 NT$15,529.86	Min.: 1 Mult.: 1
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 400A ESR3XLUB0400XI Littelfuse 1: NT$21,380.58 3In Stock New Product	Mfr. Part # ESR3XLUB0400XI Mouser Part # 576-ESR3XLUB0400XI New Product	Littelfuse	Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 400A Learn More about Littelfuse esr high speed square body fuses	Datasheet	3In Stock	NT$21,380.58 NT$17,556.10 NT$15,980.50 Quote Quote	Min.: 1 Mult.: 1
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 500A ESR3XLUB0500XI Littelfuse 1: NT$21,814.73 3In Stock New Product	Mfr. Part # ESR3XLUB0500XI Mouser Part # 576-ESR3XLUB0500XI New Product	Littelfuse	Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 500A Learn More about Littelfuse esr high speed square body fuses	Datasheet	3In Stock	NT$21,814.73 NT$18,567.79 NT$16,644.80	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 12V, Uni-directional, 20A-80A SVS1271P3UU.N Semtech 1: NT$24.74 8,000In Stock New Product	Mfr. Part # SVS1271P3UU.N Mouser Part # 947-SVS1271P3UU.N New Product	Semtech	ESD Protection Diodes / TVS Diodes 12V, Uni-directional, 20A-80A		8,000In Stock	Cut Tape NT$24.74 NT$15.42 NT$9.86 NT$7.35 Reel NT$4.27 View NT$5.95 NT$5.13 NT$5.05 NT$4.05 MouseReel Available	Min.: 1 Mult.: 1 : 10,000

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Circuit Protection

Types of Circuit Protection