SMF4L-T1G Low Leakage TVS Diodes

Littelfuse SMF4L-T1G Low Leakage Transient Voltage Suppressor (TVS) Diodes are designed to protect sensitive systems or components from high-voltage and high-energy transients. These diodes offer a fast response time of less than 1ns, low Zener impedance, high surge, and good clamping capabilities. The SMF4L-T1G TVS diode features a unidirectional peak reverse voltage ranging from 5V to 78V and a maximum peak power dissipation of 400W. The SMF4L-T1G low leakage diodes are ideal for protecting I/O interfaces, VCC buses, and other vulnerable circuits used in cellular phones, portable electronics, and business machines. The low leakage is particularly well-suited for battery-operated electronics, power supplies, and other industrial and consumer applications.

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Qty. RoHS ECAD Model Polarity
Number of Channels
Working Voltage
Termination Style
Clamping Voltage
Breakdown Voltage
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Peak Pulse Current
Pppm - Peak Pulse Power Dissipation
Vesd - Voltage ESD Contact
Vesd - Voltage ESD Air Gap
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Littelfuse ESD Protection Diodes / TVS Diodes TVS 400W 28V Low Leakage UNI SOD-123FL
Datasheet
7,735In Stock
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Min.: 1
Mult.: 1
: 3,000

Unidirectional 1 Channel 28 V SMD/SMT 45.4 V 31.1 V SOD-123FL-2 8.8 A 400 W 30 kV 30 kV - 55 C + 150 C TVS Diodes SMF4L-T1G Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes TVS 400W 10V Low Leakage UNI SOD-123FL
Datasheet
2,940In Stock
3,000Expected 10/1/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Unidirectional 1 Channel 10 V SMD/SMT 17 V 11.1 V SOD-123FL-2 23.5 A 400 W 30 kV 30 kV - 55 C + 150 C TVS Diodes SMF4L-T1G Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes TVS 400W 11V Low Leakage UNI SOD-123FL
Datasheet
2,225In Stock
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Min.: 1
Mult.: 1
: 3,000

Unidirectional 1 Channel 11 V SMD/SMT 18.2 V 12.2 V SOD-123FL-2 22 A 400 W 30 kV 30 kV - 55 C + 150 C TVS Diodes SMF4L-T1G Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes TVS 400W 12V Low Leakage UNI SOD-123FL
Datasheet
2,266In Stock
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Min.: 1
Mult.: 1
: 3,000

Unidirectional 1 Channel 12 V SMD/SMT 19.9 V 13.3 V SOD-123FL-2 20.1 A 400 W 30 kV 30 kV - 55 C + 150 C TVS Diodes SMF4L-T1G Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes TVS 400W 13V Low Leakage UNI SOD-123FL
Datasheet
2,173In Stock
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Min.: 1
Mult.: 1
: 3,000

Unidirectional 1 Channel 13 V SMD/SMT 21.5 V 14.4 V SOD-123FL-2 18.6 A 400 W 30 kV 30 kV - 55 C + 150 C TVS Diodes SMF4L-T1G Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes TVS 400W 14V Low Leakage UNI SOD-123FL
Datasheet
2,489In Stock
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Min.: 1
Mult.: 1
: 3,000

Unidirectional 1 Channel 14 V SMD/SMT 23.2 V 15.6 V SOD-123FL-2 17.2 A 400 W 30 kV 30 kV - 55 C + 150 C TVS Diodes SMF4L-T1G Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes TVS 400W 16V Low Leakage UNI SOD-123FL
Datasheet
3,067In Stock
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Min.: 1
Mult.: 1
: 3,000

Unidirectional 1 Channel 16 V SMD/SMT 26 V 17.8 V SOD-123FL-2 15.4 A 400 W 30 kV 30 kV - 55 C + 150 C TVS Diodes SMF4L-T1G Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes TVS 400W 17V Low Leakage UNI SOD-123FL
Datasheet
3,026In Stock
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Min.: 1
Mult.: 1
: 3,000

Unidirectional 1 Channel 17 V SMD/SMT 27.6 V 18.9 V SOD-123FL-2 14.5 A 400 W 30 kV 30 kV - 55 C + 150 C TVS Diodes SMF4L-T1G Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes TVS 400W 20V Low Leakage UNI SOD-123FL
Datasheet
5,696In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Unidirectional 1 Channel 20 V SMD/SMT 32.4 V 22.2 V SOD-123FL-2 12.3 A 400 W 30 kV 30 kV - 55 C + 150 C TVS Diodes SMF4L-T1G Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes TVS 400W 22V Low Leakage UNI SOD-123FL
Datasheet
2,465In Stock
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Mult.: 1
: 3,000

Unidirectional 1 Channel 22 V SMD/SMT 35.5 V 24.4 V SOD-123FL-2 11.3 A 400 W 30 kV 30 kV - 55 C + 150 C TVS Diodes SMF4L-T1G Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes TVS 400W 24V Low Leakage UNI SOD-123FL
Datasheet
7,325In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Unidirectional 1 Channel 24 V SMD/SMT 38.9 V 26.7 V SOD-123FL-2 10.3 A 400 W 30 kV 30 kV - 55 C + 150 C TVS Diodes SMF4L-T1G Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes TVS 400W 26V Low Leakage UNI SOD-123FL
Datasheet
2,755In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Unidirectional 1 Channel 26 V SMD/SMT 42.1 V 28.9 V SOD-123FL-2 9.5 A 400 W 30 kV 30 kV - 55 C + 150 C TVS Diodes SMF4L-T1G Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes TVS 400W 30V Low Leakage UNI SOD-123FL
Datasheet
3,929In Stock
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Min.: 1
Mult.: 1
: 3,000

Unidirectional 1 Channel 30 V SMD/SMT 48.4 V 33.3 V SOD-123FL-2 8.3 A 400 W 30 kV 30 kV - 55 C + 150 C TVS Diodes SMF4L-T1G Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes TVS 400W 33V Low Leakage UNI SOD-123FL
Datasheet
3,046In Stock
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Min.: 1
Mult.: 1
: 3,000

Unidirectional 1 Channel 33 V SMD/SMT 53.3 V 36.7 V SOD-123FL-2 7.5 A 400 W 30 kV 30 kV - 55 C + 150 C TVS Diodes SMF4L-T1G Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes TVS 400W 36V Low Leakage UNI SOD-123FL
Datasheet
1,671In Stock
3,000Expected 9/14/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Unidirectional 1 Channel 36 V SMD/SMT 58.1 V 40 V SOD-123FL-2 6.9 A 400 W 30 kV 30 kV - 55 C + 150 C TVS Diodes SMF4L-T1G Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes TVS 400W 40V Low Leakage UNI SOD-123FL
Datasheet
2,700In Stock
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Min.: 1
Mult.: 1
: 3,000

Unidirectional 1 Channel 40 V SMD/SMT 64.5 V 44.4 V SOD-123FL-2 6.2 A 400 W 30 kV 30 kV - 55 C + 150 C TVS Diodes SMF4L-T1G Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes TVS 400W 43V Low Leakage UNI SOD-123FL
Datasheet
6,000In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Unidirectional 1 Channel 43 V SMD/SMT 69.4 V 47.8 V SOD-123FL-2 5.8 A 400 W 30 kV 30 kV - 55 C + 150 C TVS Diodes SMF4L-T1G Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes TVS 400W 45V Low Leakage UNI SOD-123FL
Datasheet
3,000In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Unidirectional 1 Channel 45 V SMD/SMT 72.7 V 50 V SOD-123FL-2 5.5 A 400 W 30 kV 30 kV - 55 C + 150 C TVS Diodes SMF4L-T1G Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes TVS 400W 48V Low Leakage UNI SOD-123FL
Datasheet
5,788In Stock
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Min.: 1
Mult.: 1
: 3,000

Unidirectional 1 Channel 48 V SMD/SMT 77.4 V 53.3 V SOD-123FL-2 5.2 A 400 W 30 kV 30 kV - 55 C + 150 C TVS Diodes SMF4L-T1G Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes TVS 400W 51V Low Leakage UNI SOD-123FL
Datasheet
5,765In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Unidirectional 1 Channel 51 V SMD/SMT 82.4 V 56.7 V SOD-123FL-2 4.9 A 400 W 30 kV 30 kV - 55 C + 150 C TVS Diodes SMF4L-T1G Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes TVS 400W 54V Low Leakage UNI SOD-123FL
Datasheet
5,585In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Unidirectional 1 Channel 54 V SMD/SMT 87.1 V 60 V SOD-123FL-2 4.6 A 400 W 30 kV 30 kV - 55 C + 150 C TVS Diodes SMF4L-T1G Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes TVS 400W 58V Low Leakage UNI SOD-123FL
Datasheet
5,945In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Unidirectional 1 Channel 58 V SMD/SMT 93.6 V 64.4 V SOD-123FL-2 4.3 A 400 W 30 kV 30 kV - 55 C + 150 C TVS Diodes SMF4L-T1G Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes TVS 400W 6.0V Low Leakage UNI SOD-123FL
Datasheet
1,459In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Unidirectional 1 Channel 6 V SMD/SMT 10.3 V 6.67 V SOD-123FL-2 38.8 A 400 W 30 kV 30 kV - 55 C + 150 C TVS Diodes SMF4L-T1G Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes TVS 400W 6.5V Low Leakage UNI SOD-123FL
Datasheet
3,846In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Unidirectional 1 Channel 6.5 V SMD/SMT 11.2 V 7.22 V SOD-123FL-2 35.7 A 400 W 30 kV 30 kV - 55 C + 150 C TVS Diodes SMF4L-T1G Reel, Cut Tape, MouseReel
Littelfuse ESD Protection Diodes / TVS Diodes TVS 400W 60V Low Leakage UNI SOD-123FL
Datasheet
1,414In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Unidirectional 1 Channel 60 V SMD/SMT 96.8 V 66.7 V SOD-123FL-2 4.1 A 400 W 30 kV 30 kV - 55 C + 150 C TVS Diodes SMF4L-T1G Reel, Cut Tape, MouseReel