Automotive TVS Diodes

Littelfuse AEC-Q101 Qualified TVS Diodes protect sensitive electronic equipment from voltage transients induced by load dump and other transient voltage events. These AEC-Q101 qualified devices offer peak pulse power dissipation ratings of 400W (SZ1SMA) to 3000W (TPSMD). Littelfuse AEC-Q101 Qualified TVS Diodes are ideal for applications such as DC power protection and ESD protection in automotive electronics such as electronic control units, sensors, and entertainment systems, as well as in portable devices that require high reliability. 

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Description Datasheet Availability Pricing (IDR) 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 51V 1.5kW UNI-DIR SZ1.5SMC AEC-Q101
Datasheet
1.348In Stock
2.500Expected 11/06/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.500

Unidirectional 1 Channel 43.6 V SMD/SMT 70.1 V 48.5 V SMC (DO-214AB) 21.4 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 10V 400W BI-DIR AEC? Q101
Datasheet
4.286In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Bidirectional 1 Channel 10 V SMD/SMT 17 V 11.69 V SMA (DO-214AC) 23.5 A 400 W 580 pF 16 kV 16 kV - 65 C + 150 C 1SMAxxCAT3G AEC-Q101 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 12V 400W BI-DIR SZ1SMA AEC-Q101
Datasheet
7.027In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Bidirectional 1 Channel 12 V SMD/SMT 19.9 V 13.3 V SMA (DO-214AC) 20.1 A 400 W 16 kV 16 kV - 65 C + 150 C SZ1SMAxxCAT3G 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 UNI-DIR SZ1SMA AEC-Q101
Datasheet
5.436In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Unidirectional 1 Channel 15 V SMD/SMT 24.4 V 16.7 V SMA (DO-214AC) 16.4 A 400 W 758 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
8.642In 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
4.388In 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
6.272In 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 22V 400W UNI-DIR SZ1SMA AEC-Q101
Datasheet
2.484In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Unidirectional 1 Channel 22 V SMD/SMT 35.5 V 24.4 V SMA (DO-214AC) 11.3 A 400 W 540 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 26V 400W BI-DIR SZ1SMA AEC-Q101
Datasheet
6.456In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Bidirectional 1 Channel 26 V SMD/SMT 42.1 V 28.9 V SMA (DO-214AC) 9.5 A 400 W 16 kV 16 kV - 65 C + 150 C SZ1SMAxxCAT3G AEC-Q101 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 28V 400W UNI-DIR SZ1SMA AEC-Q101
Datasheet
292In Stock
10.000Expected 10/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Unidirectional 1 Channel 28 V SMD/SMT 45.4 V 31.1 V SMA (DO-214AC) 8.8 A 400 W 430 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 30V 400W UNI-DIR SZ1SMA AEC-Q101
Datasheet
1.745In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Unidirectional 1 Channel 30 V SMD/SMT 48.4 V 33.3 V SMA (DO-214AC) 8.3 A 400 W 405 pF - 65 C + 150 C SZ1SMAxxxAT3G AEC-Q101 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 33V 400W UNI-DIR SZ1SMA AEC-Q101
Datasheet
6.154In Stock
10.000Expected 17/06/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Unidirectional 1 Channel 33 V SMD/SMT 53.3 V 36.7 V SMA (DO-214AC) 7.5 A 400 W 375 pF - 65 C + 150 C SZ1SMAxxxAT3G AEC-Q101 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 33V 400W BI-DIR SZ1SMA AEC-Q101
Datasheet
4.857In Stock
5.000Expected 03/06/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000
Bidirectional 1 Channel 33 V SMD/SMT 53.3 V 36.7 V SMA (DO-214AC) 7.5 A 400 W 190 pF 16 kV 16 kV - 65 C + 150 C SZ1SMAxxCAT3G AEC-Q101 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 36V 400W UNI-DIR SZ1SMA AEC-Q101
Datasheet
3.904In Stock
5.000Expected 03/06/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Unidirectional 1 Channel 36 V SMD/SMT 58.1 V 40 V SMA (DO-214AC) 6.9 A 400 W 345 pF - 65 C + 150 C SZ1SMAxxxAT3G AEC-Q101 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 43V 400W UNI-DIR SZ1SMA AEC-Q101
Datasheet
1.098In Stock
5.000Expected 19/05/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Unidirectional 1 Channel 43 V SMD/SMT 69.4 V 47.8 V SMA (DO-214AC) 5.8 A 400 W 295 pF - 65 C + 150 C SZ1SMAxxxAT3G 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
Littelfuse ESD Protection Diodes / TVS Diodes 48V 400W BI-DIR SZ1SMA AEC-Q101
Datasheet
6.421In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Bidirectional 1 Channel 48 V SMD/SMT 77.4 V 53.3 V SMA (DO-214AC) 5.2 A 400 W 135 pF 16 kV 16 kV - 65 C + 150 C SZ1SMAxxCAT3G AEC-Q101 Reel, Cut Tape, MouseReel