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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 10/29/2026	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 10/29/2026	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 11/23/2026	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 11/23/2026	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 4/1/2027	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 4/1/2027	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 10/19/2026	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 10/19/2026	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 11/19/2026 24.000 Expected 11/24/2026 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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