.hide-partial { max-height: none; } .show-more { display: none; }

Circuit Protection

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Protection

List Images

Results: 1,346

Applied Filters:

Brand = Multiple Values

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

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 6.1V 400W Unidirect ESDA6V1SC6 STMicroelectronics 1: NT$19.00 53,795In Stock	Mfr. Part # ESDA6V1SC6 Mouser Part # 511-ESDA6V1SC6	STMicroelectronics	ESD Protection Diodes / TVS Diodes 6.1V 400W Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	53,795In Stock	Cut Tape NT$19.00 NT$10.76 NT$7.17 NT$5.81 Reel NT$3.94 View NT$4.88 NT$3.59 NT$3.37 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 6.1V 200W Unidirect ESDA6V1U1RL STMicroelectronics 1: NT$27.25 32,682In Stock 62,500Expected 3/22/2027	Mfr. Part # ESDA6V1U1RL Mouser Part # 511-ESDA6V1U1-TR	STMicroelectronics	ESD Protection Diodes / TVS Diodes 6.1V 200W Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	32,682In Stock 62,500Expected 3/22/2027	Cut Tape NT$27.25 NT$12.26 NT$10.79 NT$8.21 Reel NT$6.42 View NT$5.59 NT$5.45 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 6.1V 150W Unidirect ESDA6V1W5 STMicroelectronics 1: NT$14.70 80,705In Stock	Mfr. Part # ESDA6V1W5 Mouser Part # 511-ESDA6V1W5	STMicroelectronics	ESD Protection Diodes / TVS Diodes 6.1V 150W Unidirect Learn More about STMicroelectronics stm standard products	Datasheet	80,705In Stock	Cut Tape NT$14.70 NT$6.52 NT$5.70 NT$5.09 Reel NT$3.30 View NT$4.37 NT$3.15 NT$2.44 NT$2.37 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 120 A - 8/20 us, 5.5 V TVS in QFN-2L ESDA7P120-1U1M STMicroelectronics 1: NT$32.62 84,724In Stock 224,000Expected 1/5/2027	Mfr. Part # ESDA7P120-1U1M Mouser Part # 511-ESDA7P120-1U1M	STMicroelectronics	ESD Protection Diodes / TVS Diodes 120 A - 8/20 us, 5.5 V TVS in QFN-2L	Datasheet	84,724In Stock 224,000Expected 1/5/2027	Cut Tape NT$32.62 NT$20.58 NT$13.12 NT$9.79 Reel NT$5.74 View NT$7.92 NT$6.81 NT$6.70 NT$5.41 MouseReel Available	Min.: 1 Mult.: 1 : 8,000
ESD Protection Diodes / TVS Diodes 60 A - 8/20 us, 5 V TVS in QFN-2L ESDA7P60-1U1M STMicroelectronics 1: NT$17.57 81,335In Stock 72,000Expected 10/29/2026	Mfr. Part # ESDA7P60-1U1M Mouser Part # 511-ESDA7P60-1U1M	STMicroelectronics	ESD Protection Diodes / TVS Diodes 60 A - 8/20 us, 5 V TVS in QFN-2L Learn More about STMicroelectronics stm esda7p60 suppressor	Datasheet	81,335In Stock 72,000Expected 10/29/2026	Cut Tape NT$17.57 NT$9.36 NT$6.99 NT$5.49 Reel NT$3.37 View NT$5.09 NT$4.55 NT$3.62 NT$3.05 MouseReel Available	Min.: 1 Mult.: 1 : 8,000
ESD Protection Diodes / TVS Diodes EMI Filter ESD ESDALC6V1-5P6 STMicroelectronics 1: NT$20.79 102,169In Stock	Mfr. Part # ESDALC6V1-5P6 Mouser Part # 511-ESDALC6V1-5P6	STMicroelectronics	ESD Protection Diodes / TVS Diodes EMI Filter ESD Learn More about STMicroelectronics stm standard products	Datasheet	102,169In Stock	Cut Tape NT$20.79 NT$10.86 NT$8.50 NT$6.92 Reel NT$4.88 View NT$6.17 NT$4.66 NT$4.30 NT$4.19 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 25W 6.1V Quad Array ESDALC6V1W5 STMicroelectronics 1: NT$19.36 25,085In Stock 24,000Expected 3/17/2027	Mfr. Part # ESDALC6V1W5 Mouser Part # 511-ESDALC6V1W5	STMicroelectronics	ESD Protection Diodes / TVS Diodes 25W 6.1V Quad Array Learn More about STMicroelectronics stm standard products	Datasheet	25,085In Stock 24,000Expected 3/17/2027	Cut Tape NT$19.36 NT$8.78 NT$7.42 NT$5.70 Reel NT$4.19 View NT$5.23 NT$3.98 NT$3.48 NT$3.15 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes N Ch 30V 0.009 Ohm 40A Pwr MOSFET ESDAULC6-3BP6 STMicroelectronics 1: NT$22.94 22,734In Stock 15,000On Order	Mfr. Part # ESDAULC6-3BP6 Mouser Part # 511-ESDAULC63BP6	STMicroelectronics	ESD Protection Diodes / TVS Diodes N Ch 30V 0.009 Ohm 40A Pwr MOSFET Learn More about STMicroelectronics stm standard products	Datasheet	22,734In Stock 15,000On Order	Cut Tape NT$22.94 NT$10.90 NT$9.21 NT$7.24 Reel NT$4.98 View NT$6.56 NT$4.77 NT$4.45 NT$4.19 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Automotive dual-line Transil, transient voltage suppressor (TVS) ESDAVLC6-2BLY STMicroelectronics 1: NT$16.49 115,340In Stock 96,000Expected 1/27/2027	Mfr. Part # ESDAVLC6-2BLY Mouser Part # 511-ESDAVLC6-2BLY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive dual-line Transil, transient voltage suppressor (TVS) Learn More about STMicroelectronics stm standard products	Datasheet	115,340In Stock 96,000Expected 1/27/2027	Cut Tape NT$16.49 NT$7.56 NT$6.35 NT$4.84 Reel NT$3.41 View NT$4.48 NT$3.19 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Automotive dual-line TVS in SOT23-3L for CAN bus (12 V system) ESDCAN01-2BLY STMicroelectronics 1: NT$17.21 164,389In Stock	Mfr. Part # ESDCAN01-2BLY Mouser Part # 511-ESDCAN01-2BLY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive dual-line TVS in SOT23-3L for CAN bus (12 V system) Learn More about STMicroelectronics stm standard products	Datasheet	164,389In Stock	Cut Tape NT$17.21 NT$11.19 NT$5.88 NT$4.91 Reel NT$2.94 View NT$3.41 NT$2.80 NT$2.47 NT$2.22 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Automotive dual-line TVS in SOT323-3L for CAN bus (12 V system) ESDCAN02-2BWY STMicroelectronics 1: NT$19.00 64,923In Stock	Mfr. Part # ESDCAN02-2BWY Mouser Part # 511-ESDCAN02-2BWY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive dual-line TVS in SOT323-3L for CAN bus (12 V system) Learn More about STMicroelectronics stm esdcan0x automotive tvs diodes	Datasheet	64,923In Stock	Cut Tape NT$19.00 NT$9.86 NT$7.35 NT$5.59 Reel NT$3.94 View NT$4.59 NT$3.87 NT$3.30 NT$3.12 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Automotive dual-line TVS in SOT323-3L for CAN bus (24 V system) ESDCAN05-2BWY STMicroelectronics 1: NT$18.64 67,805In Stock	Mfr. Part # ESDCAN05-2BWY Mouser Part # 511-ESDCAN05-2BWY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive dual-line TVS in SOT323-3L for CAN bus (24 V system) Learn More about STMicroelectronics stm esdcan0x automotive tvs diodes	Datasheet	67,805In Stock	Cut Tape NT$18.64 NT$9.50 NT$7.60 NT$5.81 Reel NT$4.27 View NT$5.13 NT$4.19 NT$3.59 NT$3.37 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Automotive dual-line TVS in SOT23-3L for CAN bus (24 V system) ESDCAN06-2BLY STMicroelectronics 1: NT$19.00 111,209In Stock	Mfr. Part # ESDCAN06-2BLY Mouser Part # 511-ESDCAN06-2BLY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive dual-line TVS in SOT23-3L for CAN bus (24 V system) Learn More about STMicroelectronics stm esdcan0x automotive tvs diodes	Datasheet	111,209In Stock	Cut Tape NT$19.00 NT$12.19 NT$7.78 NT$5.77 Reel NT$4.05 View NT$4.70 NT$3.98 NT$3.37 NT$3.19 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes Low Clamping TVS ESD Low Cap Uni Single ESDZL5-1F4 STMicroelectronics 1: NT$4.66 339,968In Stock	Mfr. Part # ESDZL5-1F4 Mouser Part # 511-ESDZL5-1F4	STMicroelectronics	ESD Protection Diodes / TVS Diodes Low Clamping TVS ESD Low Cap Uni Single Learn More about STMicroelectronics stm esdz tvs diodes	Datasheet	339,968In Stock	Cut Tape NT$4.66 NT$2.40 NT$1.54 NT$1.29 View Reel NT$0.609 NT$0.968 NT$0.825 NT$0.789 NT$0.681 NT$0.609 MouseReel Available	Min.: 1 Mult.: 1 : 15,000
ESD Protection Diodes / TVS Diodes Ultra Low clamping single line bidirectional ESD protection ESDZV5H-1BU2 STMicroelectronics 1: NT$7.17 137,371In Stock 105,000Expected 10/29/2026	Mfr. Part # ESDZV5H-1BU2 Mouser Part # 511-ESDZV5H-1BU2	STMicroelectronics	ESD Protection Diodes / TVS Diodes Ultra Low clamping single line bidirectional ESD protection	Datasheet	137,371In Stock 105,000Expected 10/29/2026	Cut Tape NT$7.17 NT$5.02 NT$2.47 NT$2.04 View Reel NT$0.968 NT$1.51 NT$1.33 NT$1.22 NT$1.04 NT$0.968 MouseReel Available	Min.: 1 Mult.: 1 : 15,000
ESD Protection Diodes / TVS Diodes Ultra-low clamping single line bidirectional ESD protection ESDZV5HS-1BF4 STMicroelectronics 1: NT$4.66 459,415In Stock	Mfr. Part # ESDZV5HS-1BF4 Mouser Part # 511-ESDZV5HS-1BF4	STMicroelectronics	ESD Protection Diodes / TVS Diodes Ultra-low clamping single line bidirectional ESD protection Learn More about STMicroelectronics stm esdzv5 1bf4 tvs diode	Datasheet	459,415In Stock	Cut Tape NT$4.66 NT$2.26 NT$1.54 NT$1.29 View Reel NT$0.609 NT$0.968 NT$0.825 NT$0.789 NT$0.681 NT$0.609	Min.: 1 Mult.: 1 : 15,000
LED Protection Devices LED Bypass 100nA 1A 15kV 8kV BI LBP01-0810B STMicroelectronics 1: NT$41.23 7,123In Stock	Mfr. Part # LBP01-0810B Mouser Part # 511-LBP01-0810B	STMicroelectronics	LED Protection Devices LED Bypass 100nA 1A 15kV 8kV BI Learn More about STMicroelectronics stmicro lbp01	Datasheet	7,123In Stock	Cut Tape NT$41.23 NT$25.63 NT$16.71 NT$12.83 Reel NT$10.00 View NT$11.58 NT$9.25 NT$8.71 NT$8.39 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes Automotive 27 V TVS for load dump in D2PAK LDP01-30AY STMicroelectronics 1: NT$152.00 7,787In Stock	Mfr. Part # LDP01-30AY Mouser Part # 511-LDP01-30AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 27 V TVS for load dump in D2PAK	Datasheet	7,787In Stock	Cut Tape NT$152.00 NT$100.02 NT$77.44 NT$69.91 Reel NT$52.70 View NT$58.08 NT$50.19 NT$49.83 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000
ESD Protection Diodes / TVS Diodes Automotive 30 V TVS for load dump in D2PAK LDP01-35AY STMicroelectronics 1: NT$138.74 4,236In Stock 6,000Expected 11/28/2026	Mfr. Part # LDP01-35AY Mouser Part # 511-LDP01-35AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 30 V TVS for load dump in D2PAK	Datasheet	4,236In Stock 6,000Expected 11/28/2026	Cut Tape NT$138.74 NT$93.57 NT$76.36 NT$67.40 Reel NT$50.91 View NT$58.08 NT$48.04 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
ESD Protection Diodes / TVS Diodes Automotive 48 V TVS for load dump in D2PAK LDP01-56AY STMicroelectronics 1: NT$160.61 975In Stock	Mfr. Part # LDP01-56AY Mouser Part # 511-LDP01-56AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 48 V TVS for load dump in D2PAK	Datasheet	975In Stock	Cut Tape NT$160.61 NT$105.76 NT$86.04 NT$72.78 Reel NT$55.21 View NT$64.53 NT$51.98 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
ESD Protection Diodes / TVS Diodes Automotive 58 V TVS for load dump in D2PAK LDP01-68AY STMicroelectronics 1: NT$160.61 1,528In Stock 2,000Expected 8/30/2027	Mfr. Part # LDP01-68AY Mouser Part # 511-LDP01-68AY	STMicroelectronics	ESD Protection Diodes / TVS Diodes Automotive 58 V TVS for load dump in D2PAK	Datasheet	1,528In Stock 2,000Expected 8/30/2027	Cut Tape NT$160.61 NT$105.76 NT$86.04 NT$72.78 Reel NT$55.21 View NT$64.53 NT$51.98 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
ESD Protection Diodes / TVS Diodes LTNG PRO LNB PW SUPP LNBTVS4-304S STMicroelectronics 1: NT$114.36 1,677In Stock 2,500Expected 11/5/2026	Mfr. Part # LNBTVS4-304S Mouser Part # 511-LNBTVS4-304S	STMicroelectronics	ESD Protection Diodes / TVS Diodes LTNG PRO LNB PW SUPP Learn More about STMicroelectronics stm standard products	Datasheet	1,677In Stock 2,500Expected 11/5/2026	Cut Tape NT$114.36 NT$73.85 NT$59.87 NT$50.55 Reel NT$32.91 View NT$39.44 NT$35.03 NT$31.40 NT$30.97 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes LTNG PRO LNB PW SUPP LNBTVS6-304S STMicroelectronics 1: NT$117.95 4,879In Stock	Mfr. Part # LNBTVS6-304S Mouser Part # 511-LNBTVS6-304S	STMicroelectronics	ESD Protection Diodes / TVS Diodes LTNG PRO LNB PW SUPP Learn More about STMicroelectronics stm standard products	Datasheet	4,879In Stock	Cut Tape NT$117.95 NT$76.36 NT$62.38 NT$52.70 View Reel NT$35.85 NT$44.45 NT$38.00 NT$35.85 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
SCRs 0.8 Amp 400 Volt P0102DN 5AA4 STMicroelectronics 1: NT$20.43 28,345In Stock 42,000Expected 11/16/2026	Mfr. Part # P0102DN 5AA4 Mouser Part # 511-P0102DN	STMicroelectronics	SCRs 0.8 Amp 400 Volt Learn More about STMicroelectronics stm standard products	Datasheet	28,345In Stock 42,000Expected 11/16/2026	Cut Tape NT$20.43 NT$12.69 NT$8.10 NT$6.09 Reel NT$5.41 View NT$4.59 NT$4.09 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
ESD Protection Diodes / TVS Diodes Batt & Overvolt Prot RBO40-40G STMicroelectronics 1: NT$183.91 3,045In Stock	Mfr. Part # RBO40-40G Mouser Part # 511-RBO40-40G	STMicroelectronics	ESD Protection Diodes / TVS Diodes Batt & Overvolt Prot	Datasheet	3,045In Stock	NT$183.91 NT$121.17 NT$98.95 NT$83.53 View NT$74.21 NT$63.45 NT$59.87	Min.: 1 Mult.: 1

Circuit Protection

Types of Circuit Protection

Applied Filters:

Customer Service Office

Company

Resources

Support