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Auxiliary Power Supply

Littelfuse offers numerous products designed for Auxiliary Power Supply, including Silicon Carbide (SiC) MOSFETs, gate drivers, and TVS diodes. The LSIC1MO170T0750 SiC MOSFET is a 1700V device optimized for high-frequency, high-efficiency applications and features a low 11nC gate charge, low 11.5pF output capacitance, and a low 29Ω gate resistance for high-frequency switching. The IX4351NE gate driver offers an internal negative charge regulator, providing a selectable negative gate drive bias for improved dV/dt immunity and faster turn-off. The TVS diodes include the SMF and 1.5SMC series designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.

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Part #

ESD Protection Diodes / TVS Diodes 1.5kW 27V 5% Uni-Directional

1.5SMC27A
Littelfuse
1: 0,447 €
5.655In Stock

Mfr. Part No.
1.5SMC27A

Mouser Part No
576-1.5SMC27A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 27V 5% Uni-Directional

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Datasheet

5.655In Stock

Cut Tape

0,447 €

0,339 €

0,23 €

0,211 €

Reel

0,197 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

ESD Protection Diodes / TVS Diodes 1.5kW 27V 5% Bi-Directional

1.5SMC27CA
Littelfuse
1: 0,92 €
4.249In Stock

Mfr. Part No.
1.5SMC27CA

Mouser Part No
576-1.5SMC27CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 27V 5% Bi-Directional

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Datasheet

4.249In Stock

Cut Tape

0,92 €

0,578 €

0,378 €

0,292 €

Reel

0,229 €

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

ESD Protection Diodes / TVS Diodes 1.5kW 30V 5% Uni-Directional

1.5SMC30A
Littelfuse
1: 0,31 €
1.393In Stock
3.000Expected 5/7/2026

Mfr. Part No.
1.5SMC30A

Mouser Part No
576-1.5SMC30A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 30V 5% Uni-Directional

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Datasheet

1.393In Stock

3.000Expected 5/7/2026

Cut Tape

0,31 €

0,254 €

0,206 €

0,197 €

Reel

0,197 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

ESD Protection Diodes / TVS Diodes 1.5kW 33V 5% Uni-Directional

1.5SMC33A
Littelfuse
1: 0,344 €
3.201In Stock

Mfr. Part No.
1.5SMC33A

Mouser Part No
576-1.5SMC33A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 33V 5% Uni-Directional

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Datasheet

3.201In Stock

Cut Tape

0,344 €

0,267 €

0,206 €

0,197 €

Reel

0,197 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

ESD Protection Diodes / TVS Diodes 1.5kW 33V 5% Bi-Directional

1.5SMC33CA
Littelfuse
1: 0,353 €
3.232In Stock

Mfr. Part No.
1.5SMC33CA

Mouser Part No
576-1.5SMC33CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 33V 5% Bi-Directional

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Datasheet

3.232In Stock

Cut Tape

0,353 €

0,283 €

0,23 €

0,212 €

0,211 €

Reel

0,206 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

ESD Protection Diodes / TVS Diodes 1.5kW 350V 5% Bi-Directional

1.5SMC350CA
Littelfuse
1: 1,22 €
2.021In Stock
3.000Expected 4/20/2026

Mfr. Part No.
1.5SMC350CA

Mouser Part No
576-1.5SMC350CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 350V 5% Bi-Directional

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Datasheet

2.021In Stock

3.000Expected 4/20/2026

Cut Tape

1,22 €

0,768 €

0,51 €

0,407 €

0,371 €

Reel

0,32 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

ESD Protection Diodes / TVS Diodes 1.5kW 36V 5% Uni-Directional

1.5SMC36A
Littelfuse
1: 0,318 €
5.909In Stock

Mfr. Part No.
1.5SMC36A

Mouser Part No
576-1.5SMC36A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 36V 5% Uni-Directional

Learn More

Datasheet

5.909In Stock

Cut Tape

0,318 €

0,232 €

0,212 €

0,196 €

0,194 €

Reel

0,194 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

ESD Protection Diodes / TVS Diodes 1.5kW 36V 5% Bi-Directional

1.5SMC36CA
Littelfuse
1: 0,903 €
2.052In Stock
3.000Expected 4/1/2026

Mfr. Part No.
1.5SMC36CA

Mouser Part No
576-1.5SMC36CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 36V 5% Bi-Directional

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Datasheet

2.052In Stock

3.000Expected 4/1/2026

Cut Tape

0,903 €

0,567 €

0,362 €

0,286 €

Reel

0,224 €

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

ESD Protection Diodes / TVS Diodes 1.5kW 39V 5% Uni-Directional

1.5SMC39A
Littelfuse
1: 0,80 €
3.294In Stock

Mfr. Part No.
1.5SMC39A

Mouser Part No
576-1.5SMC39A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 39V 5% Uni-Directional

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Datasheet

3.294In Stock

Cut Tape

0,80 €

0,498 €

0,324 €

0,249 €

0,23 €

Reel

0,197 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

ESD Protection Diodes / TVS Diodes 1.5kW 39V 5% Bi-Directional

1.5SMC39CA
Littelfuse
1: 0,31 €
3.723In Stock

Mfr. Part No.
1.5SMC39CA

Mouser Part No
576-1.5SMC39CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 39V 5% Bi-Directional

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Datasheet

3.723In Stock

Cut Tape

0,31 €

0,258 €

0,212 €

Reel

0,206 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

ESD Protection Diodes / TVS Diodes 1.5kW 400V 5% Uni-Directional

1.5SMC400A
Littelfuse
1: 0,576 €
3.497In Stock

Mfr. Part No.
1.5SMC400A

Mouser Part No
576-1.5SMC400A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 400V 5% Uni-Directional

Learn More

Datasheet

3.497In Stock

Cut Tape

0,576 €

0,547 €

0,496 €

0,392 €

0,351 €

Reel

0,324 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

ESD Protection Diodes / TVS Diodes 1.5kW 400V 5% Bi-Directional

1.5SMC400CA
Littelfuse
1: 0,499 €
1.935In Stock
3.000Expected 3/19/2026

Mfr. Part No.
1.5SMC400CA

Mouser Part No
576-1.5SMC400CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 400V 5% Bi-Directional

Learn More

Datasheet

1.935In Stock

3.000Expected 3/19/2026

Cut Tape

0,499 €

0,346 €

0,343 €

Reel

0,32 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

ESD Protection Diodes / TVS Diodes 1.5kW 43V 5% Uni-Directional

1.5SMC43A
Littelfuse
1: 0,447 €
1.826In Stock
3.000Expected 2/19/2026

Mfr. Part No.
1.5SMC43A

Mouser Part No
576-1.5SMC43A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 43V 5% Uni-Directional

Learn More

Datasheet

1.826In Stock

3.000Expected 2/19/2026

Cut Tape

0,447 €

0,354 €

0,259 €

0,218 €

0,211 €

Reel

0,197 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

ESD Protection Diodes / TVS Diodes 1.5kW 43V 5% Bi-Directional

1.5SMC43CA
Littelfuse
1: 0,568 €
4.572In Stock

Mfr. Part No.
1.5SMC43CA

Mouser Part No
576-1.5SMC43CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 43V 5% Bi-Directional

Learn More

Datasheet

4.572In Stock

Cut Tape

0,568 €

0,415 €

0,285 €

0,224 €

0,206 €

Reel

0,206 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

ESD Protection Diodes / TVS Diodes 1.5kW 440V 5% Uni-Directional

1.5SMC440A
Littelfuse
1: 0,662 €
3.906In Stock

Mfr. Part No.
1.5SMC440A

Mouser Part No
576-1.5SMC440A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 440V 5% Uni-Directional

Learn More

Datasheet

3.906In Stock

Cut Tape

0,662 €

0,473 €

0,355 €

0,316 €

Reel

0,297 €

0,295 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

ESD Protection Diodes / TVS Diodes 1.5kW 47V 5% Uni-Directional

1.5SMC47A
Littelfuse
1: 0,877 €
300In Stock
5.695Expected 5/22/2026

Mfr. Part No.
1.5SMC47A

Mouser Part No
576-1.5SMC47A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 47V 5% Uni-Directional

Learn More

Datasheet

300In Stock

5.695Expected 5/22/2026

Cut Tape

0,877 €

0,55 €

0,359 €

0,278 €

Reel

0,218 €

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

ESD Protection Diodes / TVS Diodes 1.5kW 51V 5% Bi-Directional

1.5SMC51CA
Littelfuse
1: 0,301 €
3.050In Stock

Mfr. Part No.
1.5SMC51CA

Mouser Part No
576-1.5SMC51CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 51V 5% Bi-Directional

Learn More

Datasheet

3.050In Stock

Cut Tape

0,301 €

0,285 €

0,266 €

0,26 €

0,237 €

Reel

0,187 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

ESD Protection Diodes / TVS Diodes 1.5kW 530V 5% Uni-Directional

1.5SMC530A
Littelfuse
1: 0,808 €
1.086In Stock

Mfr. Part No.
1.5SMC530A

Mouser Part No
576-1.5SMC530A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 530V 5% Uni-Directional

Learn More

Datasheet

1.086In Stock

Cut Tape

0,808 €

0,684 €

0,474 €

0,38 €

0,35 €

Reel

0,324 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

ESD Protection Diodes / TVS Diodes 1.5kW 540V 5% Uni-Directional

1.5SMC540A
Littelfuse
1: 1,01 €
1.349In Stock

Mfr. Part No.
1.5SMC540A

Mouser Part No
576-1.5SMC540A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 540V 5% Uni-Directional

Learn More

Datasheet

1.349In Stock

Cut Tape

1,01 €

0,722 €

0,478 €

0,373 €

0,351 €

Reel

0,324 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

ESD Protection Diodes / TVS Diodes 1.5kW 550V 5% Uni-Directional

1.5SMC550A
Littelfuse
1: 0,791 €
2.616In Stock

Mfr. Part No.
1.5SMC550A

Mouser Part No
576-1.5SMC550A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 550V 5% Uni-Directional

Learn More

Datasheet

2.616In Stock

Cut Tape

0,791 €

0,684 €

0,474 €

0,373 €

0,337 €

Reel

0,324 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

ESD Protection Diodes / TVS Diodes 1.5kW 62V 5% Uni-Directional

1.5SMC62A
Littelfuse
1: 0,241 €
2.477In Stock
3.000Expected 3/19/2026

Mfr. Part No.
1.5SMC62A

Mouser Part No
576-1.5SMC62A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 62V 5% Uni-Directional

Learn More

Datasheet

2.477In Stock

3.000Expected 3/19/2026

Cut Tape

0,241 €

0,21 €

0,197 €

Reel

0,197 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

ESD Protection Diodes / TVS Diodes 1.5kW 62V 5% Bi-Directional

1.5SMC62CA
Littelfuse
1: 0,387 €
2.754In Stock

Mfr. Part No.
1.5SMC62CA

Mouser Part No
576-1.5SMC62CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 62V 5% Bi-Directional

Learn More

Datasheet

2.754In Stock

Cut Tape

0,387 €

0,347 €

0,286 €

0,261 €

Reel

0,187 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

ESD Protection Diodes / TVS Diodes 1.5kW 68V 5% Uni-Directional

1.5SMC68A
Littelfuse
1: 0,421 €
2.135In Stock
3.000Expected 5/11/2026

Mfr. Part No.
1.5SMC68A

Mouser Part No
576-1.5SMC68A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 68V 5% Uni-Directional

Learn More

Datasheet

2.135In Stock

3.000Expected 5/11/2026

Cut Tape

0,421 €

0,307 €

0,251 €

0,221 €

0,206 €

Reel

0,197 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

ESD Protection Diodes / TVS Diodes 1.5kW 68V 5% Bi-Directional

1.5SMC68CA
Littelfuse
1: 0,206 €
3.365In Stock

Mfr. Part No.
1.5SMC68CA

Mouser Part No
576-1.5SMC68CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 68V 5% Bi-Directional

Learn More

Datasheet

3.365In Stock

Cut Tape

0,206 €

Reel

0,206 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

ESD Protection Diodes / TVS Diodes 1.5kW 7.5V 5% Uni-Directional

1.5SMC7.5A
Littelfuse
1: 0,361 €
2.383In Stock

Mfr. Part No.
1.5SMC7.5A

Mouser Part No
576-1.5SMC7.5A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 7.5V 5% Uni-Directional

Learn More

Datasheet

2.383In Stock

Cut Tape

0,361 €

0,299 €

0,237 €

0,23 €

0,223 €

Reel

0,197 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

Auxiliary Power Supply

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Auxiliary Power Supply

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Semiconductors