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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.
ESD Protection Diodes / TVS Diodes SMF - CA 20V SMF20CA Littelfuse 1: € 0,49 36 430In Stock	Mfr. Part No. SMF20CA Mouser Part No 576-SMF20CA	Littelfuse	ESD Protection Diodes / TVS Diodes SMF - CA 20V Learn More about Littelfuse smf tvs diodes	Datasheet	36 430In Stock	Cut Tape € 0,49 € 0,234 € 0,192 € 0,155 Reel € 0,089 View € 0,129 € 0,088 € 0,084 € 0,082 MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 1.5kW 12V 5% Uni-Directional 1.5SMC12A Littelfuse 1: € 0,946 6 003In Stock	Mfr. Part No. 1.5SMC12A Mouser Part No 576-1.5SMC12A	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 12V 5% Uni-Directional Learn More about Littelfuse tvsdiodes	Datasheet	6 003In Stock	Cut Tape € 0,946 € 0,434 € 0,384 € 0,288 Reel € 0,199 View € 0,281 € 0,198 MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 1.5kW 160V 5% Bi-Directional 1.5SMC160CA Littelfuse 1: € 0,559 4 981In Stock	Mfr. Part No. 1.5SMC160CA Mouser Part No 576-1.5SMC160CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 160V 5% Bi-Directional Learn More about Littelfuse tvsdiodes	Datasheet	4 981In Stock	Cut Tape € 0,559 € 0,473 € 0,426 € 0,335 € 0,303 Reel € 0,242 MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 1.5kW 540V 5% Bi-Directional 1.5SMC540CA Littelfuse 1: € 1,29 4 189In Stock	Mfr. Part No. 1.5SMC540CA Mouser Part No 576-1.5SMC540CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 540V 5% Bi-Directional Learn More about Littelfuse tvsdiodes	Datasheet	4 189In Stock	Cut Tape € 1,29 € 0,642 € 0,54 € 0,423 € 0,384 Reel € 0,369 MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 1.5kW 110V 5% Uni-Directional 1.5SMC110A Littelfuse 1: € 0,482 6 373In Stock	Mfr. Part No. 1.5SMC110A Mouser Part No 576-1.5SMC110A	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 110V 5% Uni-Directional Learn More about Littelfuse tvsdiodes	Datasheet	6 373In Stock	Cut Tape € 0,482 € 0,404 € 0,361 € 0,296 € 0,267 Reel € 0,20 MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 1.5kW 51V 5% Uni-Directional 1.5SMC51A Littelfuse 1: € 0,929 2 984In Stock 3 000Expected 29/10/2026	Mfr. Part No. 1.5SMC51A Mouser Part No 576-1.5SMC51A	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 51V 5% Uni-Directional Learn More about Littelfuse tvsdiodes	Datasheet	2 984In Stock 3 000Expected 29/10/2026	Cut Tape € 0,929 € 0,443 € 0,378 € 0,292 Reel € 0,197 View € 0,265 € 0,196 € 0,187 MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 1.5kW 36V 5% Bi-Directional 1.5SMC36CA Littelfuse 1: € 0,946 4 673In Stock	Mfr. Part No. 1.5SMC36CA Mouser Part No 576-1.5SMC36CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 36V 5% Bi-Directional Learn More about Littelfuse tvsdiodes	Datasheet	4 673In Stock	Cut Tape € 0,946 € 0,435 € 0,301 € 0,236 € 0,235 Reel € 0,198 MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 1.5kW 10V 5% Bi-Directional 1.5SMC10CA Littelfuse 1: € 0,404 5 557In Stock	Mfr. Part No. 1.5SMC10CA Mouser Part No 576-1.5SMC10CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 10V 5% Bi-Directional Learn More about Littelfuse tvsdiodes	Datasheet	5 557In Stock	Cut Tape € 0,404 € 0,397 € 0,373 € 0,304 € 0,276 Reel € 0,208 MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 1.5kW 170V 5% Uni-Directional 1.5SMC170A Littelfuse 1: € 0,482 2 980In Stock	Mfr. Part No. 1.5SMC170A Mouser Part No 576-1.5SMC170A	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 170V 5% Uni-Directional Learn More about Littelfuse tvsdiodes	Datasheet	2 980In Stock	Cut Tape € 0,482 € 0,377 € 0,335 € 0,257 € 0,255 Reel € 0,229 MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 1.5kW 200V 5% Uni-Directional 1.5SMC200A Littelfuse 1: € 0,894 3 745In Stock	Mfr. Part No. 1.5SMC200A Mouser Part No 576-1.5SMC200A	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 200V 5% Uni-Directional Learn More about Littelfuse tvsdiodes	Datasheet	3 745In Stock	Cut Tape € 0,894 € 0,422 € 0,367 € 0,287 Reel € 0,19 MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 1.5kW 9.1V 5% Bi-Directional 1.5SMC9.1CA Littelfuse 1: € 0,499 4 727In Stock	Mfr. Part No. 1.5SMC9.1CA Mouser Part No 576-1.5SMC9.1CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 9.1V 5% Bi-Directional Learn More about Littelfuse tvsdiodes	Datasheet	4 727In Stock	Cut Tape € 0,499 € 0,417 € 0,373 € 0,304 € 0,276 Reel € 0,208 MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 1.5kW 100V 5% Bi-Directional 1.5SMC100CA Littelfuse 1: € 0,688 4 158In Stock	Mfr. Part No. 1.5SMC100CA Mouser Part No 576-1.5SMC100CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 100V 5% Bi-Directional Learn More about Littelfuse tvsdiodes	Datasheet	4 158In Stock	Cut Tape € 0,688 € 0,476 € 0,396 € 0,32 € 0,29 Reel € 0,219 MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 1.5kW 16V 5% Bi-Directional 1.5SMC16CA Littelfuse 1: € 0,516 4 570In Stock	Mfr. Part No. 1.5SMC16CA Mouser Part No 576-1.5SMC16CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 16V 5% Bi-Directional Learn More about Littelfuse tvsdiodes	Datasheet	4 570In Stock	Cut Tape € 0,516 € 0,343 € 0,296 € 0,212 € 0,208 Reel € 0,208 MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 1.5kW 20V 5% Uni-Directional 1.5SMC20A Littelfuse 1: € 0,473 4 112In Stock	Mfr. Part No. 1.5SMC20A Mouser Part No 576-1.5SMC20A	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 20V 5% Uni-Directional Learn More about Littelfuse tvsdiodes	Datasheet	4 112In Stock	Cut Tape € 0,473 € 0,442 € 0,348 € 0,288 € 0,273 Reel € 0,198 MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 1.5kW 250V 5% Bi-Directional 1.5SMC250CA Littelfuse 1: € 0,98 2 868In Stock	Mfr. Part No. 1.5SMC250CA Mouser Part No 576-1.5SMC250CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 250V 5% Bi-Directional Learn More about Littelfuse tvsdiodes	Datasheet	2 868In Stock	Cut Tape € 0,98 € 0,515 € 0,427 € 0,335 € 0,303 Reel € 0,242 MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 1.5kW 540V 5% Uni-Directional 1.5SMC540A Littelfuse 1: € 1,23 4 098In 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 about Littelfuse tvsdiodes	Datasheet	4 098In Stock	Cut Tape € 1,23 € 0,603 € 0,515 € 0,403 € 0,383 Reel € 0,341 MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 1.5kW 250V 5% Uni-Directional 1.5SMC250A Littelfuse 1: € 0,955 7 518In Stock	Mfr. Part No. 1.5SMC250A Mouser Part No 576-1.5SMC250A	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 250V 5% Uni-Directional Learn More about Littelfuse tvsdiodes	Datasheet	7 518In Stock	Cut Tape € 0,955 € 0,446 € 0,389 € 0,30 € 0,285 Reel € 0,209 MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 1.5kW 27V 5% Uni-Directional 1.5SMC27A Littelfuse 1: € 0,86 10 958In Stock	Mfr. Part No. 1.5SMC27A Mouser Part No 576-1.5SMC27A	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 27V 5% Uni-Directional Learn More about Littelfuse tvsdiodes	Datasheet	10 958In Stock	Cut Tape € 0,86 € 0,443 € 0,363 € 0,284 Reel € 0,208 View € 0,265 € 0,206 MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 1.5kW 36V 5% Uni-Directional 1.5SMC36A Littelfuse 1: € 0,946 7 837In Stock 6 000Expected 23/11/2026	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 about Littelfuse tvsdiodes	Datasheet	7 837In Stock 6 000Expected 23/11/2026	Cut Tape € 0,946 € 0,435 € 0,385 € 0,297 Reel € 0,204 MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 1.5kW 550V 5% Bi-Directional 1.5SMC550CA Littelfuse 1: € 1,41 7 146In Stock 6 000Expected 01/04/2027	Mfr. Part No. 1.5SMC550CA Mouser Part No 576-1.5SMC550CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 550V 5% Bi-Directional Learn More about Littelfuse tvsdiodes	Datasheet	7 146In Stock 6 000Expected 01/04/2027	Cut Tape € 1,41 € 0,68 € 0,593 € 0,475 € 0,441 Reel € 0,369 MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 1.5kW 56V 5% Uni-Directional 1.5SMC56A Littelfuse 1: € 0,929 11 137In Stock	Mfr. Part No. 1.5SMC56A Mouser Part No 576-1.5SMC56A	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 56V 5% Uni-Directional Learn More about Littelfuse tvsdiodes	Datasheet	11 137In Stock	Cut Tape € 0,929 € 0,411 € 0,362 € 0,28 € 0,276 Reel € 0,206 MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 1.5kW 82V 5% Bi-Directional 1.5SMC82CA Littelfuse 1: € 0,98 9 253In Stock	Mfr. Part No. 1.5SMC82CA Mouser Part No 576-1.5SMC82CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 82V 5% Bi-Directional Learn More about Littelfuse tvsdiodes	Datasheet	9 253In Stock	Cut Tape € 0,98 € 0,46 € 0,40 € 0,31 Reel € 0,239 View € 0,293 € 0,22 € 0,217 MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes SMF - CA 12V SMF12CA Littelfuse 1: € 0,516 21 355In Stock 18 000Expected 19/10/2026	Mfr. Part No. SMF12CA Mouser Part No 576-SMF12CA	Littelfuse	ESD Protection Diodes / TVS Diodes SMF - CA 12V Learn More about Littelfuse smf tvs diodes	Datasheet	21 355In Stock 18 000Expected 19/10/2026	Cut Tape € 0,516 € 0,234 € 0,201 € 0,155 Reel € 0,097 View € 0,149 € 0,089 MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes SMF - CA 13V SMF13CA Littelfuse 1: € 0,507 29 855In Stock	Mfr. Part No. SMF13CA Mouser Part No 576-SMF13CA	Littelfuse	ESD Protection Diodes / TVS Diodes SMF - CA 13V Learn More about Littelfuse smf tvs diodes	Datasheet	29 855In Stock	Cut Tape € 0,507 € 0,234 € 0,198 € 0,155 Reel € 0,098 View € 0,141 € 0,097 MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes SMF - CA 14V SMF14CA Littelfuse 1: € 0,516 24 350In Stock 27 000On Order	Mfr. Part No. SMF14CA Mouser Part No 576-SMF14CA	Littelfuse	ESD Protection Diodes / TVS Diodes SMF - CA 14V Learn More about Littelfuse smf tvs diodes	Datasheet	24 350In Stock 27 000On Order On Order Ship Dates Mfr. No: SMF14CA Stock: 24 350 Can Dispatch Immediately On Order: 3 000 Expected 19/11/2026 24 000 Expected 24/11/2026 Factory Lead Time: 18 Weeks	Cut Tape € 0,516 € 0,249 € 0,222 € 0,168 Reel € 0,109 View € 0,101 € 0,089 MouseReel Available	Min.: 1 Mult.: 1 : 3 000

Auxiliary Power Supply

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