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SMD/SMT Circuit Protection

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.
ESD Protection Diodes / TVS Diodes 400W,20V5%,SMFBIDIRTVS Vishay Semiconductors 4SMF20CA-M3/I 4SMF20CA-M3/I Vishay Semiconductors 1: £0.368 7,871In Stock New Product	Mfr. Part No. 4SMF20CA-M3/I Mouser Part No 78-4SMF20CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,20V5%,SMFBIDIRTVS	Datasheet	7,871In Stock	Cut Tape £0.368 £0.254 £0.125 £0.104 Reel £0.052 View £0.072 £0.063 £0.06 £0.047	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: £0.375 19,234In Stock New Product	Mfr. Part No. 4SMF26CA-M3/I Mouser Part No 78-4SMF26CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,26V5%,SMFBIDIRTVS	Datasheet	19,234In Stock	Cut Tape £0.375 £0.264 £0.129 £0.108 Reel £0.054 View £0.075 £0.065 £0.062 £0.049	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: £0.368 7,816In Stock New Product	Mfr. Part No. 4SMF17CA-M3/I Mouser Part No 78-4SMF17CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,17V5%,SMFBIDIRTVS	Datasheet	7,816In Stock	Cut Tape £0.368 £0.254 £0.125 £0.104 Reel £0.052 View £0.072 £0.063 £0.06 £0.047	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: £0.368 7,632In Stock New Product	Mfr. Part No. 4SMF18CA-M3/I Mouser Part No 78-4SMF18CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,18V5%,SMFBIDIRTVS	Datasheet	7,632In Stock	Cut Tape £0.368 £0.254 £0.125 £0.104 Reel £0.052 View £0.072 £0.063 £0.06 £0.047	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 350W,58V5%,SMFBIDIRTVS Vishay Semiconductors 4SMF58CAHM3/I 4SMF58CAHM3/I Vishay Semiconductors 1: £0.443 6,969In Stock New Product	Mfr. Part No. 4SMF58CAHM3/I Mouser Part No 78-4SMF58CAHM3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 350W,58V5%,SMFBIDIRTVS	Datasheet	6,969In Stock	Cut Tape £0.443 £0.275 £0.175 £0.132 Reel £0.077 View £0.106 £0.092 £0.09 £0.072	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 400W,24V5%,SMFBIDIRTVS Vishay Semiconductors 4SMF24CA-M3/I 4SMF24CA-M3/I Vishay Semiconductors 1: £0.375 7,463In Stock 20,000On Order New Product	Mfr. Part No. 4SMF24CA-M3/I Mouser Part No 78-4SMF24CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,24V5%,SMFBIDIRTVS	Datasheet	7,463In Stock 20,000On Order On Order Ship Dates Mfr. No: 4SMF24CA-M3/I Stock: 7,463 Can Dispatch Immediately On Order: 10,000 Expected 09/11/2026 10,000 Expected 25/11/2026 Factory Lead Time: 10 Weeks	Cut Tape £0.375 £0.264 £0.129 £0.108 Reel £0.054 View £0.075 £0.065 £0.062 £0.049	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes Automotive High Surge ESD - SOT-23,Uni,5V PE4305C2A-AU_R1_007A1 Panjit 1: £0.33 5,396In Stock New Product	Mfr. Part No. PE4305C2A-AU_R1_007A1 Mouser Part No 241-PE4305C2AAUR17A1 New Product	Panjit	ESD Protection Diodes / TVS Diodes Automotive High Surge ESD - SOT-23,Uni,5V	Datasheet	5,396In Stock	Cut Tape £0.33 £0.227 £0.111 £0.093 Reel £0.056 View £0.065 £0.052 £0.046 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: £0.368 7,919In Stock New Product	Mfr. Part No. 4SMF10CA-M3/I Mouser Part No 78-4SMF10CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,10V5%,SMFBIDIRTVS	Datasheet	7,919In Stock	Cut Tape £0.368 £0.254 £0.125 £0.104 Reel £0.052 View £0.072 £0.063 £0.06 £0.047	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: £0.368 7,916In Stock New Product	Mfr. Part No. 4SMF16CA-M3/I Mouser Part No 78-4SMF16CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,16V5%,SMFBIDIRTVS	Datasheet	7,916In Stock	Cut Tape £0.368 £0.254 £0.125 £0.104 Reel £0.052 View £0.072 £0.063 £0.06 £0.047	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 5V, 6A, SOD882 SC1003-01ETG Littelfuse 1: £0.593 10,010In Stock New Product	Mfr. Part No. SC1003-01ETG Mouser Part No 576-SC1003-01ETG New Product	Littelfuse	ESD Protection Diodes / TVS Diodes 5V, 6A, SOD882 Learn More about Littelfuse tvs spa diode arrays	Datasheet	10,010In Stock	Cut Tape £0.593 £0.373 £0.238 £0.178 Reel £0.104 View £0.144 £0.124 £0.122 £0.098 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 30V, 100A ,DNF2020-6L SC3000-01UTG Littelfuse 1: £1.39 3,000In Stock New Product	Mfr. Part No. SC3000-01UTG Mouser Part No 576-SC3000-01UTG New Product	Littelfuse	ESD Protection Diodes / TVS Diodes 30V, 100A ,DNF2020-6L Learn More about Littelfuse tvs spa diode arrays	Datasheet	3,000In Stock	Cut Tape £1.39 £0.871 £0.571 £0.441 Reel £0.355 View £0.374 £0.327 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.0 V, 0.17 pF, 15 kV, Bidirectional TVS SP4315-01WTG Littelfuse 1: £0.615 7,000In Stock 100Expected 21/12/2026 New Product	Mfr. Part No. SP4315-01WTG Mouser Part No 576-SP4315-01WTG New Product	Littelfuse	ESD Protection Diodes / TVS Diodes 1.0 V, 0.17 pF, 15 kV, Bidirectional TVS Learn More about Littelfuse sp4315 01wtg tvs diode arrays	Datasheet	7,000In Stock 100Expected 21/12/2026	Cut Tape £0.615 £0.383 £0.251 £0.189 View Reel £0.143 £0.172 £0.158 £0.154 £0.143 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 48 V, 1.6 pF, 30 kV, Bidirectional TVS AQ48ETH-02HTG Littelfuse 1: £1.25 2,100In Stock 100Expected 21/12/2026 New Product	Mfr. Part No. AQ48ETH-02HTG Mouser Part No 576-AQ48ETH-02HTG New Product	Littelfuse	ESD Protection Diodes / TVS Diodes 48 V, 1.6 pF, 30 kV, Bidirectional TVS Learn More about Littelfuse low capacitance esd spa diodes	Datasheet	2,100In Stock 100Expected 21/12/2026	Cut Tape £1.25 £0.78 £0.512 £0.395 Reel £0.319 View £0.335 £0.29 £0.279 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 7V & 12V 75pF 20A SOT23-3L SC712-02HTG Littelfuse 1: £1.05 2,216In Stock 100Expected 17/11/2026 New Product	Mfr. Part No. SC712-02HTG Mouser Part No 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	2,216In Stock 100Expected 17/11/2026	Cut Tape £1.05 £0.661 £0.432 £0.334 Reel £0.27 View £0.284 £0.244 £0.237 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes AUTO TVS TO-263 LOAD DUMP 33A SLD263-33A Littelfuse 1: £3.83 350In Stock New Product	Mfr. Part No. SLD263-33A Mouser Part No 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	350In Stock	Cut Tape £3.83 £2.52 £2.06 £1.75 Reel £1.46 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: £2.23 1,618In Stock 3,000Expected 12/01/2027 New Product	Mfr. Part No. TPSMD350CA-A Mouser Part No 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 12/01/2027	Cut Tape £2.23 £1.44 £1.17 £0.995 £0.78 Reel £0.663 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 8A 25pF max SLP0603P2x3L UCLAMP2001ZA.F Semtech 1: £0.45 20,800In Stock New Product	Mfr. Part No. UCLAMP2001ZA.F Mouser Part No 947-UCLAMP2001ZA New Product	Semtech	ESD Protection Diodes / TVS Diodes 8A 25pF max SLP0603P2x3L	Datasheet	20,800In Stock	Cut Tape £0.45 £0.315 £0.155 £0.129 View Reel £0.058 £0.089 £0.078 £0.074 £0.066 £0.058 MouseReel Available	Min.: 1 Mult.: 1 : 15,000
ESD Protection Diodes / TVS Diodes TVS SURF MT DO214AA - SMBJ33A 3K T&R Littelfuse SMBJ33A-E SMBJ33A-E Littelfuse 1: £0.428 2,372In Stock New Product	Mfr. Part No. SMBJ33A-E Mouser Part No 576-SMBJ33AE New Product	Littelfuse	ESD Protection Diodes / TVS Diodes TVS SURF MT DO214AA - SMBJ33A 3K T&R	Datasheet	2,372In Stock	Cut Tape £0.428 £0.202 £0.17 £0.127 Reel £0.068 View £0.114 £0.067 £0.059 £0.057	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 5KW, 54V 5%,BIDIR,SMC TVS SMC5K54CAHM3/I Vishay 1: £2.19 2,230In Stock New Product	Mfr. Part No. SMC5K54CAHM3/I Mouser Part No 78-SMC5K54CAHM3/I New Product	Vishay	ESD Protection Diodes / TVS Diodes 5KW, 54V 5%,BIDIR,SMC TVS Learn More about Vishay semi smc5kxxca transzorb tvs	Datasheet	2,230In Stock	Cut Tape £2.19 £1.42 £1.15 £0.969 Reel £0.646 View £0.766 £0.716 £0.641	Min.: 1 Mult.: 1 : 3,500
ESD Protection Diodes / TVS Diodes TVS, unidirectional, VRWM 60V, 5KW, SMC 5KMC60AS_R1_00001 Panjit 1: £1.94 3,100In Stock	Mfr. Part No. 5KMC60AS_R1_00001 Mouser Part No 241-5KMC60AS	Panjit	ESD Protection Diodes / TVS Diodes TVS, unidirectional, VRWM 60V, 5KW, SMC Learn More about Panjit 5kmc tvs diodes	Datasheet	3,100In Stock	Cut Tape £1.94 £1.25 £1.00 £0.849 Reel £0.607 View £0.663 £0.518 MouseReel Available	Min.: 1 Mult.: 1 : 800
ESD Protection Diodes / TVS Diodes ESD 24V BI PGB2010201KR-24NR Littelfuse 1: £0.871 15,000In Stock	Mfr. Part No. PGB2010201KR-24NR Mouser Part No 576-PGB2010201KR24NR	Littelfuse	ESD Protection Diodes / TVS Diodes ESD 24V BI Learn More about Littelfuse pgb2 0201 esd suppressors	Datasheet	15,000In Stock	Cut Tape £0.871 £0.402 £0.356 £0.276 View Reel £0.19 £0.272 £0.26 £0.255 £0.19 £0.19	Min.: 1 Mult.: 1 : 15,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 470V, REEL GDT25-47-S1-RP Bourns 1: £0.826 2,812In Stock	Mfr. Part No. GDT25-47-S1-RP Mouser Part No 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 £0.826 £0.746 £0.628 £0.58 Reel £0.41 View £0.521 £0.48 £0.395 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
NTC (Negative Temperature Coefficient) Thermistors 0402 10K OHM 0.5% NTC AEC-Q200 125C NTCG103JX103DTDS TDK 1: £0.24 159,710In Stock	Mfr. Part No. NTCG103JX103DTDS Mouser Part No 810-NTCG103JX103DTDS	TDK	NTC (Negative Temperature Coefficient) Thermistors 0402 10K OHM 0.5% NTC AEC-Q200 125C Learn More about TDK NTCG smd ntc thermistors	Datasheet	159,710In Stock	Cut Tape £0.24 £0.222 £0.196 £0.182 Reel £0.114 View £0.162 £0.132 £0.127 £0.11 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
PTC (Positive Temperature Coefficient) Thermistors 1210 230Vdc 40mA PTC Overcurrent B59807A0090A062 TDK 1: £0.63 39,653In Stock	Mfr. Part No. B59807A0090A062 Mouser Part No 871-B59807A0090A062	TDK	PTC (Positive Temperature Coefficient) Thermistors 1210 230Vdc 40mA PTC Overcurrent Learn More about TDK epcos kits	Datasheet	39,653In Stock	Cut Tape £0.63 £0.583 £0.528 £0.477 View Reel £0.325 £0.45 £0.416 £0.376 £0.348 £0.325 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
ESD Protection Diodes / TVS Diodes ESD 20V BI PGB2010201KR-15NR Littelfuse 1: £0.925 15,000In Stock	Mfr. Part No. PGB2010201KR-15NR Mouser Part No 576-PGB2010201KR15NR	Littelfuse	ESD Protection Diodes / TVS Diodes ESD 20V BI Learn More about Littelfuse pgb2 0201 esd suppressors	Datasheet	15,000In Stock	Cut Tape £0.925 £0.426 £0.377 £0.292 View Reel £0.178 £0.279 £0.267 £0.263 £0.19 £0.178	Min.: 1 Mult.: 1 : 15,000