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 (DKK) 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 SMF4L - A 160V
Datasheet
2.742In Stock
Min.: 1
Mult.: 1
: 3.000
Unidirectional 1 Channel 160 V SMD/SMT 259 V 178 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 180V
Datasheet
2.690In Stock
Min.: 1
Mult.: 1
: 3.000
Unidirectional 1 Channel 180 V SMD/SMT 292 V 201 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 110V
Datasheet
2.980In Stock
Min.: 1
Mult.: 1
: 3.000
Unidirectional 1 Channel 110 V SMD/SMT 177 V 122 V SOD-123-2 1.1 A 400 W 30 kV 30 kV - 55 C + 150 C SMF4L Reel, Cut Tape
Littelfuse ESD Protection Diodes / TVS Diodes 400W 16V 5% Uni-directional
Datasheet
32.362In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Unidirectional 1 Channel 16 V SMD/SMT 26 V 17.8 V SOD-123-2 15.4 A 400 W 30 kV 30 kV - 55 C + 150 C SMF4L Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes SMF4L - CA 30V
Datasheet
17.716In Stock
42.000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Bidirectional 1 Channel 30 V SMD/SMT 48.4 V 33.3 V SOD-123-2 8.3 A 400 W 30 kV 30 kV - 55 C + 150 C SMF4L Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 400W 48V 5% Uni-directional
Datasheet
27.967In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Unidirectional 1 Channel 48 V SMD/SMT 77.4 V 53.3 V SOD-123-2 5.2 A 400 W 30 kV 30 kV - 55 C + 150 C SMF4L Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes SMF4L - CA 48V
Datasheet
14.905In Stock
21.000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Bidirectional 1 Channel 48 V SMD/SMT 77.4 V 53.3 V SOD-123-2 5.2 A 400 W 30 kV 30 kV - 55 C + 150 C SMF4L Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 400W 60V 5% Uni-directional
Datasheet
14.943In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000
Unidirectional 1 Channel 60 V SMD/SMT 96.8 V 66.7 V SOD-123-2 4.1 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 64V 5% Uni-directional
Datasheet
37.843In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000
Unidirectional 1 Channel 64 V SMD/SMT 103 V 71.1 V SOD-123-2 3.9 A 400 W 30 kV 30 kV - 55 C + 150 C SMF4L AEC-Q100 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes SMF4L - A 100V
Datasheet
3.917In Stock
Min.: 1
Mult.: 1
: 3.000
Unidirectional 1 Channel 100 V SMD/SMT 162 V 111 V SOD-123-2 1.2 A 400 W 30 kV 30 kV - 55 C + 150 C SMF4L Reel, Cut Tape
Littelfuse ESD Protection Diodes / TVS Diodes 400W 10V 5% Uni-directional
Datasheet
6.000In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Unidirectional 1 Channel 10 V SMD/SMT 17 V 11.1 V SOD-123-2 23.5 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
5.653In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Bidirectional 1 Channel 10 V SMD/SMT 17 V 11.1 V SOD-123-2 23.5 A 400 W 30 kV 30 kV - 55 C + 150 C SMF4L Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes SMF4L - CA 11V
Datasheet
12.391In Stock
6.000Expected 30/07/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Bidirectional 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 Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 400W 12V 5% Uni-directional
Datasheet
5.884In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Unidirectional 1 Channel 12 V SMD/SMT 19.9 V 13.3 V SOD-123-2 20.1 A 400 W 30 kV 30 kV - 55 C + 150 C SMF4L Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes SMF4L - CA 12V
Datasheet
6.078In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Bidirectional 1 Channel 12 V SMD/SMT 19.9 V 13.3 V SOD-123-2 20.1 A 400 W 30 kV 30 kV - 55 C + 150 C SMF4L Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 400W 13V 5% Uni-directional
Datasheet
3.636In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Unidirectional 1 Channel 13 V SMD/SMT 21.5 V 14.4 V SOD-123-2 18.6 A 400 W 30 kV 30 kV - 55 C + 150 C SMF4L Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes SMF4L - CA 13V
Datasheet
4.774In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Bidirectional 1 Channel 13 V SMD/SMT 21.5 V 14.4 V SOD-123-2 18.6 A 400 W 30 kV 30 kV - 55 C + 150 C SMF4L Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes 400W 14V 5% Uni-directional
Datasheet
585In Stock
3.000Expected 29/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Unidirectional 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 SMF4L - CA 14V
Datasheet
5.410In Stock
30.000On 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 15V 5% Uni-directional
Datasheet
7.270In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Unidirectional 1 Channel 15 V SMD/SMT 24.4 V 16.7 V SOD-123-2 16.4 A 400 W 30 kV 30 kV - 55 C + 150 C SMF4L Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes SMF4L - CA 15V
Datasheet
5.569In Stock
3.000Expected 26/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Bidirectional 1 Channel 15 V SMD/SMT 24.4 V 16.7 V SOD-123-2 16.4 A 400 W 30 kV 30 kV - 55 C + 150 C SMF4L Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes SMF4L - CA 16V
Datasheet
8.133In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Bidirectional 1 Channel 16 V SMD/SMT 26 V 17.8 V SOD-123-2 15.4 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
13.898In Stock
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 SMF4L - CA 17V
Datasheet
773In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Bidirectional 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 18V 5% Uni-directional
Datasheet
3.908In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Unidirectional 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