SMF4L 400W Surface Mount Diodes

Littelfuse SMF4L 400W Surface Mount Diodes consist of a SOD-123FL small and flat lead low-profile package designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. The SMF4L features 400W peak pulse power capability at 10/1000µs waveform with a repetition rate (duty cycle) of 0.1%. The diodes are compatible with industrial standard package SOD-123FL and offer a low inductance with excellent clamping capability in a low profile package of 0.98 maximum height.

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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
Vesd - Voltage ESD Contact
Vesd - Voltage ESD Air Gap
Minimum Operating Temperature
Maximum Operating Temperature
Series
Qualification
Packaging
Littelfuse ESD Protection Diodes / TVS Diodes 400W 85V 5% Uni-directional
Datasheet
4 465In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

Unidirectional 1 Channel 85 V SMD/SMT 137 V 94.4 V SOD-123-2 2.9 A 400 W 30 kV 30 kV - 55 C + 150 C SMF4L AEC-Q100 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 400W 9V 5% Uni-directional
Datasheet
3 926In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

Unidirectional 1 Channel 9 V SMD/SMT 15.4 V 10 V SOD-123-2 26.4 A 400 W 30 kV 30 kV - 55 C + 150 C SMF4L AEC-Q100 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes SMF4L - CA 10V
Datasheet
289In Stock
6 000Expected 20/08/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

Bidirectional 1 Channel 9 V SMD/SMT 15.4 V 10 V SOD-123-2 26.4 A 400 W 30 kV 30 kV - 55 C + 150 C SMF4L Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes SMF4L - CA 14V
Datasheet
47 650On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

Bidirectional 1 Channel 14 V SMD/SMT 23.2 V 15.6 V SOD-123-2 17.2 A 400 W 30 kV 30 kV - 55 C + 150 C SMF4L Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 400W 17V 5% Uni-directional
Datasheet
14 972Expected 21/12/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

Unidirectional 1 Channel 17 V SMD/SMT 27.6 V 18.9 V SOD-123-2 14.5 A 400 W 30 kV 30 kV - 55 C + 150 C SMF4L Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 400W 5V 5% Uni-directional
Datasheet
29 882In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 000
Unidirectional 1 Channel 5 V SMD/SMT 9.2 V 6.4 V SOD-123-2 40.1 A 400 W 30 kV 30 kV - 55 C + 150 C SMF4L AEC-Q100 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes SMF4L - CA 18V
Datasheet
8 967Expected 14/12/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

Bidirectional 1 Channel 18 V SMD/SMT 29.2 V 20 V SOD-123-2 13.7 A 400 W 30 kV 30 kV - 55 C + 150 C SMF4L Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 400W 22V 5% Uni-directional
Datasheet
7 190On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

Unidirectional 1 Channel 22 V SMD/SMT 35.5 V 24.4 V SOD-123-2 11.3 A 400 W 30 kV 30 kV - 55 C + 150 C SMF4L Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes SMF4L - CA 43V
Datasheet
8 994On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

Bidirectional 1 Channel 43 V SMD/SMT 69.4 V 47.8 V SOD-123-2 5.8 A 400 W 30 kV 30 kV - 55 C + 150 C SMF4L Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 400W 11V 5% Uni-directional
Datasheet
Non-Stocked Lead-Time 18 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

Unidirectional 1 Channel 11 V SMD/SMT 18.2 V 12.2 V SOD-123-2 22 A 400 W 30 kV 30 kV - 55 C + 150 C SMF4L AEC-Q100 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes SMF4L - A 120V
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1
: 3 000

Unidirectional 1 Channel 120 V SMD/SMT 193 V 133 V SOD-123-2 1 A 400 W 30 kV 30 kV - 55 C + 150 C SMF4L Reel, Cut Tape
Littelfuse ESD Protection Diodes / TVS Diodes SMF4L - A 130V
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1
: 3 000
Unidirectional 1 Channel 130 V SMD/SMT 209 V 144 V SOD-123-2 1 A 400 W 30 kV 30 kV - 55 C + 150 C SMF4L Reel, Cut Tape
Littelfuse ESD Protection Diodes / TVS Diodes SMF4L - A 150V
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1
: 3 000

Unidirectional 1 Channel 150 V SMD/SMT 243 V 167 V SOD-123-2 800 mA 400 W 30 kV 30 kV - 55 C + 150 C SMF4L Reel, Cut Tape
Littelfuse ESD Protection Diodes / TVS Diodes SMF4L - A 170V
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1
: 3 000

Unidirectional 1 Channel 170 V SMD/SMT 275 V 189 V SOD-123-2 700 mA 400 W 30 kV 30 kV - 55 C + 150 C SMF4L Reel, Cut Tape
Littelfuse ESD Protection Diodes / TVS Diodes SMF4L - A 188V
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1
: 3 000
Unidirectional 1 Channel 188 V SMD/SMT 304 V 209 V SOD-123-2 700 mA 400 W 30 kV 30 kV - 55 C + 150 C SMF4L Reel, Cut Tape
Littelfuse ESD Protection Diodes / TVS Diodes SMF4L - A 200V
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1
: 3 000
Unidirectional 1 Channel 200 V SMD/SMT 324 V 224 V SOD-123-2 600 mA 400 W 30 kV 30 kV - 55 C + 150 C SMF4L Reel, Cut Tape
Littelfuse ESD Protection Diodes / TVS Diodes SMF4L - A 220V
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1
: 3 000

Unidirectional 1 Channel 220 V SMD/SMT 356 V 246 V SOD-123-2 600 mA 400 W 30 kV 30 kV - 55 C + 150 C SMF4L Reel, Cut Tape
Littelfuse ESD Protection Diodes / TVS Diodes SMF4L - A 250V
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1
: 3 000
Unidirectional 1 Channel 250 V SMD/SMT 405 V 279 V SOD-123-2 500 mA 400 W 30 kV 30 kV - 55 C + 150 C SMF4L Reel, Cut Tape
Littelfuse ESD Protection Diodes / TVS Diodes 400W 45V 5% Uni-directional
Datasheet
Non-Stocked Lead-Time 18 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

Unidirectional 1 Channel 45 V SMD/SMT 72.7 V 50 V SOD-123-2 5.5 A 400 W 30 kV 30 kV - 55 C + 150 C SMF4L Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 400W 6.5V 5% Uni-directional
Datasheet
Non-Stocked Lead-Time 18 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

Unidirectional 1 Channel 6.5 V SMD/SMT 11.2 V 7.22 V SOD-123-2 33.1 A 400 W 30 kV 30 kV - 55 C + 150 C SMF4L AEC-Q100 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 400W 75V 5% Uni-directional
Datasheet
Non-Stocked Lead-Time 18 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

Unidirectional 1 Channel 75 V SMD/SMT 121 V 83.3 V SOD-123-2 3.3 A 400 W 30 kV 30 kV - 55 C + 150 C SMF4L AEC-Q100 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 400W 78V 5% Uni-directional
Datasheet
Non-Stocked Lead-Time 18 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

Unidirectional 126 V 95.8 V 3.2 A 400 W + 150 C SMF4L AEC-Q100 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 400W 8.5V 5% Uni-directional
Datasheet
Non-Stocked Lead-Time 18 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

Unidirectional 1 Channel 8.5 V SMD/SMT 14.4 V 9.44 V SOD-123-2 25.7 A 400 W 30 kV 30 kV - 55 C + 150 C SMF4L AEC-Q100 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes SMF4L - A 90V
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1
: 3 000
Unidirectional 1 Channel 90 V SMD/SMT 146 V 100 V SOD-123-2 1.4 A 400 W 30 kV 30 kV - 55 C + 150 C SMF4L Reel, Cut Tape