SZ1SMA 400W TVS Diodes

Littelfuse SZ1SMA 400W TVS Diodes are unidirectional and bidirectional devices designed to protect voltage-sensitive electronics from high-voltage, high-energy transients. Littelfuse SZ1SMA TVS Diodes have high clamping capability, high surge capability, low zener impedance, and fast response time (<1ns typical). Littelfuse SZ1SMA comes in a cost-effective, high-reliability package and is ideal for communication systems, automotive, medical equipment, and more.

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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 70V 400W BI-DIR SZ1SMA AEC-Q101
Datasheet
16.055In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Bidirectional 1 Channel 70 V SMD/SMT 113 V 77.8 V SMA (DO-214AC) 3.5 A 400 W 95 pF 16 kV 16 kV - 65 C + 150 C SZ1SMAxxCAT3G AEC-Q101 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 30V 400W BI-DIR SZ1SMA AEC-Q101
Datasheet
11.986In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Bidirectional 1 Channel 30 V SMD/SMT 48.4 V 33.3 V SMA (DO-214AC) 8.3 A 400 W 210 pF 16 kV 16 kV - 65 C + 150 C SZ1SMAxxCAT3G AEC-Q101 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 24V 400W BI-DIR SZ1SMA AEC-Q101
Datasheet
13.607In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Bidirectional 1 Channel 24 V SMD/SMT 38.9 V 26.7 V SMA (DO-214AC) 10.3 A 400 W 16 kV 16 kV - 65 C + 150 C SZ1SMAxxCAT3G AEC-Q101 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 40V 400W BI-DIR SZ1SMA AEC-Q101
Datasheet
25.069In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Bidirectional 1 Channel 40 V SMD/SMT 64.5 V 44.4 V SMA (DO-214AC) 6.2 A 400 W 160 pF 16 kV 16 kV - 65 C + 150 C SZ1SMAxxCAT3G AEC-Q101 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 20V 400W UNI-DIR SZ1SMA AEC-Q101
Datasheet
5.316In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Unidirectional 1 Channel 20 V SMD/SMT 32.4 V 22.2 V SMA (DO-214AC) 12.3 A 400 W 585 pF - 65 C + 150 C SZ1SMAxxxAT3G AEC-Q101 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 26V 400W UNI-DIR SZ1SMA AEC-Q101
Datasheet
9.558In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Unidirectional 1 Channel 26 V SMD/SMT 42.1 V 28.9 V SMA (DO-214AC) 9.5 A 400 W 460 pF - 65 C + 150 C SZ1SMAxxxAT3G AEC-Q101 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes ZENER DO-214 400W 90V
Datasheet
4.605In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Unidirectional 1 Channel 90 V SMD/SMT 15.4 V 100 V SMA (DO-214AC) 26 A 400 W 1200 pF 16 kV 16 kV - 65 C + 150 C SZS1MA Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 18V 400W BI-DIR SZ1SMA AEC-Q101
Datasheet
8.902In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Bidirectional 1 Channel 18 V SMD/SMT 29.2 V 20 V SMA (DO-214AC) 13.7 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 BI-DIR SZ1SMA AEC-Q101
Datasheet
10.273In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Bidirectional 1 Channel 13 V SMD/SMT 21.5 V 14.4 V SMA (DO-214AC) 18.6 A 400 W 16 kV 16 kV - 65 C + 150 C SZ1SMAxxCAT3G AEC-Q101 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 36V 400W BI-DIR SZ1SMA AEC-Q101
Datasheet
44.509In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Bidirectional 1 Channel 36 V SMD/SMT 58.1 V 40 V SMA (DO-214AC) 6.9 A 400 W 175 pF 16 kV 16 kV - 65 C + 150 C SZ1SMAxxCAT3G AEC-Q101 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 5V 400W UNI-DIR SZ1SMA AEC-Q101
Datasheet
11.964In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Unidirectional 1 Channel 5 V SMD/SMT 9.2 V 6.4 V SMA (DO-214AC) 43.5 A 400 W 2035 pF - 65 C + 150 C SZ1SMAxxxAT3G AEC-Q101 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 70V 400W UNI-DIR SZ1SMA AEC-Q101
Datasheet
10.705In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Unidirectional 1 Channel 70 V SMD/SMT 113 V 77.8 V SMA (DO-214AC) 3.5 A 400 W 190 pF - 65 C + 150 C SZ1SMAxxxAT3G AEC-Q101 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes ZENER DO-214 400W 150V
Datasheet
3.553In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Unidirectional 1 Channel 150 V SMD/SMT 243 V 167 V SMA (DO-214AC) 1.7 A 400 W 127 pF 16 kV 16 kV - 65 C + 150 C SZS1MA Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes ZENER DO-214 400W 75V
Datasheet
4.025In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5.000

Unidirectional 1 Channel 75 V SMD/SMT 121 V 83.3 V SMA (DO-214AC) 3.3 A 400 W 180 pF 16 kV 16 kV - 65 C + 150 C SZS1MA 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
2.577In 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