ESD Protection Diodes / TVS Diodes

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Transient Voltage Suppressor (TVS) Diodes

Littelfuse TVS (Transient Voltage Suppression) Diodes are a broad range of circuit protection products designed to protect electronic circuits against transients and overvoltage threats such as EFT (electrically fast transients) and ESD (electro-static discharge). Lightning strikes, inductive load switching, and ESD cause electrical over-stresses associated with the transmission on data lines and electronic circuits. Offered in a variety of surface mount and through-hole circuit board mounting formats, the TVS Diode portfolio includes high peak pulse current and peak pulse power options up to 20kA and 30kW, respectively. Littelfuse TVS Diodes are chosen for the fast response time (low clamping voltage), lower capacitance, and low leakage current. TVS Diodes are available in both unidirectional (unipolar) or bidirectional (bipolar) diodes circuit configurations.

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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.	Polarity	Number of Channels	Working Voltage	Termination Style	Clamping Voltage	Breakdown Voltage	Package/Case	Peak Pulse Current	Pppm - Peak Pulse Power Dissipation	Cd - Diode Capacitance	Vesd - Voltage ESD Contact	Vesd - Voltage ESD Air Gap	Minimum Operating Temperature	Maximum Operating Temperature	Product	Series	Packaging
ESD Protection Diodes / TVS Diodes TVS AXIAL KA RATED - 3KA 430V BI AK3-430C-A Littelfuse 1: $94.85 4In Stock 56Expected 2026/12/15 New Product	Mfr. Part No. AK3-430C-A Mouser Part No 576-AK3-430C-A New Product	Littelfuse	ESD Protection Diodes / TVS Diodes TVS AXIAL KA RATED - 3KA 430V BI Learn More about Littelfuse ak3 a tvs diodes	Datasheet	4In Stock 56Expected 2026/12/15	$94.85 $86.61	Min.: 1 Mult.: 1	Bidirectional	1 Channel	430 V	Axial	635 V	451 V	AK-2	3 kA		1.3 nF	8 kV	15 kV	- 55 C	+ 125 C	ESD Suppressors	AK3-A	Bulk
ESD Protection Diodes / TVS Diodes TVS 6KA RATED 450V BI AXIAL AK8-450C-FB Littelfuse 1: $134.38 4In Stock 56Expected 2026/12/15 New Product	Mfr. Part No. AK8-450C-FB Mouser Part No 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 2026/12/15	$134.38 $122.70	Min.: 1 Mult.: 1	Bidirectional	1 Channel	450 V	Axial	568 V	475 V	AK-2	8 kA		1.2 nF	8 kV	15 kV	- 55 C	+ 125 C	ESD Suppressors	AK8-FB	Bulk
ESD Protection Diodes / TVS Diodes TVS 5KW 18V 5%UNI DO-214AB TR13 RoHS Littelfuse 5.0SMDJ18A-E 5.0SMDJ18A-E Littelfuse 1: $2.79 3,000In Stock New Product	Mfr. Part No. 5.0SMDJ18A-E Mouser Part No 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 $2.79 $1.79 $1.45 $1.22 Reel $0.846 View $0.959 $0.878 $0.768 $0.749	Min.: 1 Mult.: 1 : 3,000							SMC (DO-214AB)										Reel, Cut Tape
ESD Protection Diodes / TVS Diodes 7V & 12V 75pF 20A SOT23-3L SC712-02HTG Littelfuse 1: $1.30 1,982In Stock 100Expected 2026/11/17 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	1,982In Stock 100Expected 2026/11/17	Cut Tape $1.30 $0.818 $0.536 $0.418 Reel $0.323 View $0.378 $0.304 $0.29 $0.286 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Bidirectional	2 Channel	12 V	SMD/SMT	32 V	7.5 V, 13.3 V	SOT23-3L	20 A	640 W	75 pF	30 kV	30 kV	- 40 C	+ 150 C	ESD Suppressors		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 5V, 6A, SOD882 SC1003-01ETG Littelfuse 1: $0.60 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 $0.60 $0.368 $0.234 $0.195 Reel $0.109 View $0.158 $0.135 $0.129 $0.105 MouseReel Available	Min.: 1 Mult.: 1 : 10,000	Unidirectional	1 Channel	5 V	SMD/SMT	11 V	6 V	SOD882-2	7 A		30 pF	30 kV	30 kV	- 40 C	+ 125 C	ESD Suppressors		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 18 V, 0.6 pF, 10 kV AQ3118-02JTG Littelfuse 1: $1.24 1,948In Stock New Product	Mfr. Part No. AQ3118-02JTG Mouser Part No 576-AQ3118-02JTG New Product	Littelfuse	ESD Protection Diodes / TVS Diodes 18 V, 0.6 pF, 10 kV Learn More about Littelfuse aq3118 02jtg tvs diode array	Datasheet	1,948In Stock	Cut Tape $1.24 $0.779 $0.512 $0.399 Reel $0.276 View $0.361 $0.273 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Unidirectional	2 Channel	18 V	SMD/SMT	38 V	25 V	SC-70-3 (SOT-323-3)	2 A		0.6 pF	10 kV	15 kV	- 40 C	+ 150 C	TVS Diodes		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes 4V, 0.55pF, 20A, SOD882 SC4340L-01ETG Littelfuse 1: $0.62 550In Stock 20,000Expected 2027/05/03 New Product	Mfr. Part No. SC4340L-01ETG Mouser Part No 576-SC4340L-01ETG New Product	Littelfuse	ESD Protection Diodes / TVS Diodes 4V, 0.55pF, 20A, SOD882 Learn More about Littelfuse sx4340l tvs diode arrays		550In Stock 20,000Expected 2027/05/03	Cut Tape $0.62 $0.376 $0.24 $0.199 Reel $0.11 View $0.162 $0.138 $0.133 $0.108	Min.: 1 Mult.: 1 : 10,000	Bidirectional	1 Channel	4 V	SMD/SMT	8.5 V	5.5 V	SOD882-2	20 A		0.6 pF	30 kV	30 kV	- 40 C	+ 125 C	TVS Diodes	SC4340L	Reel, Cut Tape
ESD Protection Diodes / TVS Diodes "20 V, 50pF, 5A," SP1120-01WTG Littelfuse 1: $0.611 8,583In Stock New Product	Mfr. Part No. SP1120-01WTG Mouser Part No 576-SP1120-01WTG New Product	Littelfuse	ESD Protection Diodes / TVS Diodes "20 V, 50pF, 5A," Learn More about Littelfuse sp1120 01wtg tvs diodes		8,583In Stock	Cut Tape $0.611 $0.315 $0.235 $0.178 Reel $0.093 View $0.167 $0.09	Min.: 1 Mult.: 1 : 10,000	Unidirectional	1 Channel	20 V	SMD/SMT	30 V	21 V	Flipchip	5 A		50 pF	30 kV	30 kV	- 40 C	+ 125 C	TVS Diodes		Reel, Cut Tape
ESD Protection Diodes / TVS Diodes 4V, 0.45pF, 20A, Flipchip SP4340L-01WTG Littelfuse 1: $0.67 8,539In Stock New Product	Mfr. Part No. SP4340L-01WTG Mouser Part No 576-SP4340L-01WTG New Product	Littelfuse	ESD Protection Diodes / TVS Diodes 4V, 0.45pF, 20A, Flipchip Learn More about Littelfuse sx4340l tvs diode arrays		8,539In Stock	Cut Tape $0.67 $0.351 $0.262 $0.199 View Reel $0.113 $0.198 $0.19 $0.113	Min.: 1 Mult.: 1 : 10,000	Bidirectional	1 Channel	4 V	SMD/SMT	6.5 V	5.5 V	Flipchip	20 A		0.55 pF	30 kV	30 kV	- 40 C	+ 125 C	TVS Diodes	SP4340L	Reel, Cut Tape
ESD Protection Diodes / TVS Diodes 30V, 100A ,DNF2020-6L SC3000-01UTG Littelfuse 1: $1.59 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 $1.59 $1.01 $0.666 $0.522 Reel $0.406 View $0.473 $0.395 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Unidirectional	1 Channel	30 V	SMD/SMT	37 V	30.5 V	DFN-6P	100 A		620 pF	30 kV	30 kV	- 40 C	+ 125 C	TVS Diodes		Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes TVS 10KA RATED 550V BI AXIAL AK10-550C-FL Littelfuse 1: $166.01 1In Stock 56Expected 2027/01/12 New Product	Mfr. Part No. AK10-550C-FL Mouser Part No 576-AK10-550C-FL New Product	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 10KA RATED 550V BI AXIAL Learn More about Littelfuse ak fl tvs diodes	Datasheet	1In Stock 56Expected 2027/01/12	$166.01 $151.56	Min.: 1 Mult.: 1	Bidirectional	1 Channel	550 V	Axial	786 V	600 V		10 kA			8 kV	15 kV	- 55 C	+ 150 C	TVS Diodes	AK-FL	Bulk
ESD Protection Diodes / TVS Diodes TVS SURF MT DO214AA - SMBJ33A 3K T&R Littelfuse SMBJ33A-E SMBJ33A-E Littelfuse 1: $0.561 2,076In 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	2,076In Stock	Cut Tape $0.561 $0.355 $0.226 $0.167 Reel $0.117 View $0.136 $0.116 $0.099 $0.093	Min.: 1 Mult.: 1 : 3,000				SMD/SMT			SMB (DO-214AA)										Reel, Cut Tape
ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 30KPA260CA Littelfuse 1: $31.81 727In Stock	Mfr. Part No. 30KPA260CA Mouser Part No 576-30KPA260CA	Littelfuse	ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial Learn More about Littelfuse tvsdiodes	Datasheet	727In Stock	Cut Tape $31.81 $25.18 $23.26 Reel $23.26	Min.: 1 Mult.: 1 : 800	Bidirectional	1 Channel	260 V	Axial	416 V	290.4 V	P600-2	72.8 A	30 kW		30 kV	30 kV	- 55 C	+ 175 C	TVS Diodes	30KPA	Reel, Cut Tape
ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 30KPA28A Littelfuse 1: $17.53 2,323In Stock	Mfr. Part No. 30KPA28A Mouser Part No 576-30KPA28A	Littelfuse	ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial Learn More about Littelfuse tvsdiodes	Datasheet	2,323In Stock	Cut Tape $17.53 $14.60 Reel $14.60	Min.: 1 Mult.: 1 : 800	Unidirectional	1 Channel	28 V	Axial	50 V	31.28 V	P600-2	606 A	30 kW		30 kV	30 kV	- 55 C	+ 175 C	TVS Diodes	30KPA	Reel, Cut Tape
ESD Protection Diodes / TVS Diodes 5V 3A 15kV WLCSP0201 Bi-dir TVS SP4338-02WTG Littelfuse 1: $0.70 60,258In Stock	Mfr. Part No. SP4338-02WTG Mouser Part No 576-SP4338-02WTG	Littelfuse	ESD Protection Diodes / TVS Diodes 5V 3A 15kV WLCSP0201 Bi-dir TVS Learn More about Littelfuse sp4338 02wtg tvs	Datasheet	60,258In Stock	Cut Tape $0.70 $0.334 $0.276 $0.209 View Reel $0.122 $0.188 $0.16 $0.147 $0.122 MouseReel Available	Min.: 1 Mult.: 1 : 10,000	Bidirectional	2 Channel	5 V	SMD/SMT	6 V	8 V		7 A		0.18 pF	15 kV	15 kV	- 40 C	+ 125 C	TVS Diodes	SP4338	Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes TVS Hi-Power Diode 20KPA300CA Littelfuse 1: $19.20 4,178In Stock	Mfr. Part No. 20KPA300CA Mouser Part No 576-20KPA300CA	Littelfuse	ESD Protection Diodes / TVS Diodes TVS Hi-Power Diode Learn More about Littelfuse tvsdiodes	Datasheet	4,178In Stock	Cut Tape $19.20 $15.98 Reel $15.98	Min.: 1 Mult.: 1 : 800	Bidirectional	1 Channel	300 V	Axial	483 V	335.1 V	P600-2	41.8 A	20 kW		30 kV	30 kV	- 55 C	+ 175 C	TVS Diodes	20KPA	Reel, Cut Tape
ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 30KPA48CA Littelfuse 1: $22.47 2,608In Stock	Mfr. Part No. 30KPA48CA Mouser Part No 576-30KPA48CA	Littelfuse	ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial Learn More about Littelfuse tvsdiodes	Datasheet	2,608In Stock	Cut Tape $22.47 $16.48 $16.43 $16.04 Reel $16.04	Min.: 1 Mult.: 1 : 800	Bidirectional	1 Channel	48 V	Axial	81.6 V	53.6 V	P600-2	371.3 A	30 kW		30 kV	30 kV	- 55 C	+ 175 C	TVS Diodes	30KPA	Reel, Cut Tape
ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 30KPA216CA Littelfuse 1: $28.67 1,440In Stock	Mfr. Part No. 30KPA216CA Mouser Part No 576-30KPA216CA	Littelfuse	ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial Learn More about Littelfuse tvsdiodes	Datasheet	1,440In Stock	Cut Tape $28.67 $21.41 $21.40 $20.85 Reel $20.85	Min.: 1 Mult.: 1 : 800	Bidirectional	1 Channel	216 V	Axial	348.6 V	241.3 V	P600-2	86.9 A	30 kW		30 kV	30 kV	- 55 C	+ 175 C	TVS Diodes	30KPA	Reel, Cut Tape
ESD Protection Diodes / TVS Diodes Zen TVS 600W 58V UNI SOD-123FL TR13 SZSMF6L58AT3G Littelfuse 1: $0.70 3,992In Stock New Product	Mfr. Part No. SZSMF6L58AT3G Mouser Part No 576-SZSMF6L58AT3G New Product	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 600W 58V UNI SOD-123FL TR13 Learn More about Littelfuse szsmf6l tvs diodes	Datasheet	3,992In Stock	Cut Tape $0.70 $0.43 $0.276 $0.209 Reel $0.144 View $0.188 $0.16 $0.142 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	58 V	SMD/SMT	93.6 V	64.4 V	SOD-123FL-2	6.4 A	600 W		30 kV	230 kV	- 55 C	+ 175 C	TVS Diodes	SZSMF6L	Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes Zen TVS 600W 51V BI SOD-123FL TR13 SZSMF6L51CAT3G Littelfuse 1: $0.73 4,750In Stock New Product	Mfr. Part No. SZSMF6L51CAT3G Mouser Part No 576-SZSMF6L51CAT3G New Product	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 600W 51V BI SOD-123FL TR13 Learn More about Littelfuse szsmf6l tvs diodes		4,750In Stock	Cut Tape $0.73 $0.447 $0.286 $0.217 Reel $0.15 View $0.195 $0.167 $0.149 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Bidirectional	1 Channel	51 V	SMD/SMT	82.4 V	56.7 V	SOD-123FL-2	7.3 A	600 W		30 kV	230 kV	- 55 C	+ 175 C	TVS Diodes	SZSMF6L	Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes Zen TVS 600W 12V UNI SOD-123FL TR13 SZSMF6L12AT3G Littelfuse 1: $0.70 4,955In Stock New Product	Mfr. Part No. SZSMF6L12AT3G Mouser Part No 576-SZSMF6L12AT3G New Product	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 600W 12V UNI SOD-123FL TR13 Learn More about Littelfuse szsmf6l tvs diodes	Datasheet	4,955In Stock	Cut Tape $0.70 $0.43 $0.276 $0.209 Reel $0.143 View $0.188 $0.16 $0.137 $0.135 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	12 V	SMD/SMT	19.9 V	13.3 V	SOD-123FL-2	30.2 A	600 W		30 kV	230 kV	- 55 C	+ 175 C	TVS Diodes	SZSMF6L	Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes Zen TVS 600W 6.5V UNI SOD-123FL TR13 SZSMF6L6.5AT3G Littelfuse 1: $0.97 5,000In Stock New Product	Mfr. Part No. SZSMF6L6.5AT3G Mouser Part No 576-SZSMF6L6.5AT3G New Product	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 600W 6.5V UNI SOD-123FL TR13 Learn More about Littelfuse szsmf6l tvs diodes		5,000In Stock	Cut Tape $0.97 $0.609 $0.39 $0.29 Reel $0.199 View $0.235 $0.204 $0.145 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	6.5 V	SMD/SMT	11.2 V	7.22 V	SOD-123FL-2	53.6 A	600 W		30 kV	230 kV	- 55 C	+ 175 C	TVS Diodes	SZSMF6L	Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes Zen TVS 600W 18V BI SOD-123FL TR13 SZSMF6L18CAT3G Littelfuse 1: $0.73 3,151In Stock New Product	Mfr. Part No. SZSMF6L18CAT3G Mouser Part No 576-SZSMF6L18CAT3G New Product	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 600W 18V BI SOD-123FL TR13 Learn More about Littelfuse szsmf6l tvs diodes		3,151In Stock	Cut Tape $0.73 $0.447 $0.286 $0.217 Reel $0.15 View $0.195 $0.167 $0.149 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Bidirectional	1 Channel	18 V	SMD/SMT	29.2 V	20 V	SOD-123FL-2	20.5 A	600 W		30 kV	230 kV	- 55 C	+ 175 C	TVS Diodes	SZSMF6L	Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes Zen TVS 600W 10V UNI SOD-123FL TR13 SZSMF6L10AT3G Littelfuse 1: $0.70 5,000In Stock New Product	Mfr. Part No. SZSMF6L10AT3G Mouser Part No 576-SZSMF6L10AT3G New Product	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 600W 10V UNI SOD-123FL TR13 Learn More about Littelfuse szsmf6l tvs diodes		5,000In Stock	Cut Tape $0.70 $0.43 $0.276 $0.209 Reel $0.147 View $0.188 $0.16 $0.142 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Unidirectional	1 Channel	10 V	SMD/SMT	17 V	11.1 V	SOD-123FL-2	35.3 A	600 W		30 kV	230 kV	- 55 C	+ 175 C	TVS Diodes	SZSMF6L	Reel, Cut Tape, MouseReel
ESD Protection Diodes / TVS Diodes Zen TVS 600W 12V BI SOD-123FL TR13 SZSMF6L12CAT3G Littelfuse 1: $0.73 1,927In Stock 5,000Expected 2027/03/31 New Product	Mfr. Part No. SZSMF6L12CAT3G Mouser Part No 576-SZSMF6L12CAT3G New Product	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 600W 12V BI SOD-123FL TR13 Learn More about Littelfuse szsmf6l tvs diodes	Datasheet	1,927In Stock 5,000Expected 2027/03/31	Cut Tape $0.73 $0.447 $0.286 $0.217 Reel $0.15 View $0.195 $0.167 $0.149 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Bidirectional	1 Channel	12 V	SMD/SMT	19.9 V	13.3 V	SOD-123FL-2	30.2 A	600 W		30 kV	230 kV	- 55 C	+ 175 C	TVS Diodes	SZSMF6L	Reel, Cut Tape, MouseReel