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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Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Polarity
Number of Channels
Working Voltage
Termination Style
Clamping Voltage
Breakdown Voltage
Package/Case
Ipp - 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
Series
Qualification
Packaging
Littelfuse ESD Protection Diodes / TVS Diodes 600W 27V AEC-Q101 5% Uni-Directional
Datasheet
4,760In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Unidirectional 1 Channel 23.1 V SMD/SMT 37.5 V 25.7 V SMB (DO-214AA) 16.3 A 600 W 30 kV 30 kV - 65 C + 175 C TPSMB AEC-Q100 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 600W 30V AEC-Q101 5% Uni-Directional
Datasheet
3,990In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Unidirectional 1 Channel 25.6 V SMD/SMT 41.4 V 28.5 V SMB (DO-214AA) 14.7 A 600 W 30 kV 30 kV - 65 C + 175 C TPSMB AEC-Q100 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 600W 36V AEC-Q101 5% Uni-Directional
Datasheet
8,456In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Unidirectional 1 Channel 30.8 V SMD/SMT 49.9 V 34.2 V SMB (DO-214AA) 12.2 A 600 W 30 kV 30 kV - 65 C + 175 C TPSMB AEC-Q100 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 600W 39V AEC-Q101 5% Uni-Directional
Datasheet
5,704In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Unidirectional 1 Channel 33.3 V SMD/SMT 53.9 V 37.1 V SMB (DO-214AA) 11.3 A 600 W 30 kV 30 kV - 65 C + 175 C TPSMB AEC-Q100 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 600W 7.5V AEC-Q101 5% Uni-Directional
Datasheet
1,084In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Unidirectional 1 Channel 6.4 V SMD/SMT 11.3 V 7.13 V SMB (DO-214AA) 54 A 600 W 30 kV 30 kV - 65 C + 175 C TPSMB AEC-Q100 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 22V 1.5kW UNI-DIR SZ1.5SMC AEC-Q101
Datasheet
91In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

Unidirectional 1 Channel 18.8 V SMD/SMT 30.6 V 20.9 V SMC (DO-214AB) 49 A 1.5 kW - 65 C + 150 C SZ1.5SMCxxxAT3G AEC-Q101 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 24V 1.5kW UNI-DIR SZ1.5SMC AEC-Q101
Datasheet
920In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

Unidirectional 1 Channel 20.5 V SMD/SMT 33.2 V 22.8 V SMC (DO-214AB) 45 A 1.5 kW - 65 C + 150 C SZ1.5SMCxxxAT3G AEC-Q101 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 30V 1.5kW UNI-DIR SZ1.5SMC AEC-Q101
Datasheet
694In Stock
2,500Expected 28/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

Unidirectional 1 Channel 25.6 V SMD/SMT 41.4 V 28.5 V SMC (DO-214AB) 36 A 1.5 kW - 65 C + 150 C SZ1.5SMCxxxAT3G AEC-Q101 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 33V 1.5kW UNI-DIR SZ1.5SMC AEC-Q101
Datasheet
574In Stock
2,500Expected 14/07/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

Unidirectional 1 Channel 28.2 V SMD/SMT 45.7 V 31.4 V SMC (DO-214AB) 33 A 1.5 kW - 65 C + 150 C SZ1.5SMCxxxAT3G AEC-Q101 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 36V 1.5kW UNI-DIR SZ1.5SMC AEC-Q101
Datasheet
3,702In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

Unidirectional 1 Channel 30.8 V SMD/SMT 49.9 V 34.2 V SMC (DO-214AB) 30 A 1.5 kW - 65 C + 150 C SZ1.5SMCxxxAT3G AEC-Q101 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 39V 1.5kW UNI-DIR SZ1.5SMC AEC-Q101
Datasheet
4,539In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

Unidirectional 1 Channel 33.3 V SMD/SMT 53.9 V 37.1 V SMC (DO-214AB) 28 A 1.5 kW - 65 C + 150 C SZ1.5SMCxxxAT3G AEC-Q101 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 43V 1.5kW UNI-DIR SZ1.5SMC AEC-Q101
Datasheet
4,887In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500
Unidirectional 1 Channel 36.8 V SMD/SMT 59.3 V 40.9 V SMC (DO-214AB) 25.3 A 1.5 kW - 65 C + 150 C SZ1.5SMCxxxAT3G AEC-Q101 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 47V 1.5kW UNI-DIR SZ1.5SMC AEC-Q101
Datasheet
25In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

Unidirectional 1 Channel 40.2 V SMD/SMT 64.8 V 44.7 V SMC (DO-214AB) 23.2 A 1.5 kW - 65 C + 150 C SZ1.5SMCxxxAT3G AEC-Q101 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 56V 1.5kW UNI-DIR SZ1.5SMC AEC-Q101
Datasheet
2,047In Stock
Min.: 1
Mult.: 1
Reel: 2,500

Unidirectional 1 Channel 47.8 V SMD/SMT 77 V 53.2 V SMC (DO-214AB) 19.5 A 1.5 kW - 65 C + 150 C SZ1.5SMCxxxAT3G AEC-Q101 Reel, Cut Tape
Littelfuse ESD Protection Diodes / TVS Diodes 6.8V 1.5kW UNI-DIR SZ1.5SMC AEC-Q101
Datasheet
1,660In Stock
5,000Expected 24/06/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

Unidirectional 1 Channel 5.8 V SMD/SMT 10.5 V 6.45 V SMC (DO-214AB) 143 A 1.5 kW - 65 C + 150 C SZ1.5SMCxxxAT3G AEC-Q101 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 62V 1.5kW UNI-DIR SZ1.5SMC AEC-Q101
Datasheet
4,099In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

Unidirectional 1 Channel 53 V SMD/SMT 85 V 58.9 V SMC (DO-214AB) 17.7 A 1.5 kW - 65 C + 150 C SZ1.5SMCxxxAT3G AEC-Q101 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 7.5V 1.5kW UNI-DIR SZ1.5SMC AEC-Q101
Datasheet
2,302In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500
Unidirectional 1 Channel 6.4 V SMD/SMT 11.3 V 7.13 V SMC (DO-214AB) 132 A 1.5 kW - 65 C + 150 C SZ1.5SMCxxxAT3G AEC-Q101 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 13V 400W UNI-DIR SZ1SMA AEC-Q101
Datasheet
1,166In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Unidirectional 1 Channel 13 V SMD/SMT 21.5 V 14.4 V SMA (DO-214AC) 18.6 A 400 W 860 pF - 65 C + 150 C SZ1SMAxxxAT3G AEC-Q101 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 15V 400W BI-DIR SZ1SMA AEC-Q101
Datasheet
7,642In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Bidirectional 1 Channel 15 V SMD/SMT 24.4 V 16.7 V SMA (DO-214AC) 16.4 A 400 W 16 kV 16 kV - 65 C + 150 C SZ1SMAxxCAT3G AEC-Q101 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 16V 400W UNI-DIR SZ1SMA AEC-Q101
Datasheet
4,365In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Unidirectional 1 Channel 16 V SMD/SMT 26 V 17.8 V SMA (DO-214AC) 15.4 A 400 W 715 pF - 65 C + 150 C SZ1SMAxxxAT3G AEC-Q101 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 16V 400W BI-DIR SZ1SMA AEC-Q101
Datasheet
2,557In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Bidirectional 1 Channel 16 V SMD/SMT 26 V 17.8 V SMA (DO-214AC) 15.4 A 400 W 16 kV 16 kV - 65 C + 150 C SZ1SMAxxCAT3G AEC-Q101 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 18V 400W UNI-DIR SZ1SMA AEC-Q101
Datasheet
6,260In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Unidirectional 1 Channel 18 V SMD/SMT 29.2 V 20 V SMA (DO-214AC) 13.7 A 400 W 645 pF - 65 C + 150 C SZ1SMAxxxAT3G AEC-Q101 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 24V 400W UNI-DIR SZ1SMA AEC-Q101
Datasheet
5,380In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Unidirectional 1 Channel 24 V SMD/SMT 38.9 V 26.7 V SMA (DO-214AC) 10.3 A 400 W 500 pF - 65 C + 150 C SZ1SMAxxxAT3G AEC-Q101 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 28V 400W BI-DIR SZ1SMA AEC-Q101
Datasheet
5,093In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Bidirectional 1 Channel 28 V SMD/SMT 45.4 V 31.1 V SMA (DO-214AC) 8.8 A 400 W 16 kV 16 kV - 65 C + 150 C SZ1SMAxxCAT3G AEC-Q101 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 48V 400W UNI-DIR SZ1SMA AEC-Q101
Datasheet
2,806In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Unidirectional 1 Channel 48 V SMD/SMT 77.4 V 53.3 V SMA (DO-214AC) 5.2 A 400 W 265 pF - 65 C + 150 C SZ1SMAxxxAT3G AEC-Q101 Reel, Cut Tape, MouseReel