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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 200W 12V 5% Uni-directional SMF12A Littelfuse 1: 0,447 € 19 734In Stock 63 000On Order	Mfr. Part No. SMF12A Mouser Part No 576-SMF12A	Littelfuse	ESD Protection Diodes / TVS Diodes 200W 12V 5% Uni-directional Learn More about Littelfuse smf tvs diodes	Datasheet	19 734In Stock 63 000On Order On Order Ship Dates Mfr. No: SMF12A Stock: 19 734 Can Dispatch Immediately On Order: 27 000 Expected 14/12/2026 36 000 Expected 25/01/2027 Factory Lead Time: 20 Weeks	Cut Tape 0,447 € 0,199 € 0,174 € 0,131 € Reel 0,086 € View 0,128 € 0,074 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes SMF - CA 12V SMF12CA Littelfuse 1: 0,525 € 37 302In Stock	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	37 302In Stock	Cut Tape 0,525 € 0,234 € 0,206 € 0,155 € Reel 0,103 € 0,09 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes SMF - CA 13V SMF13CA Littelfuse 1: 0,525 € 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 0,525 € 0,234 € 0,206 € 0,155 € Reel 0,097 € View 0,153 € 0,096 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes SMF - CA 14V SMF14CA Littelfuse 1: 0,525 € 18 570In 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	18 570In Stock 27 000On Order On Order Ship Dates Mfr. No: SMF14CA Stock: 18 570 Can Dispatch Immediately On Order: 3 000 Expected 05/11/2026 24 000 Expected 01/12/2026 Factory Lead Time: 18 Weeks	Cut Tape 0,525 € 0,234 € 0,206 € 0,155 € Reel 0,097 € View 0,153 € 0,089 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes SMF - CA 15V SMF15CA Littelfuse 1: 0,525 € 43 819In Stock 48 000Expected 15/12/2026	Mfr. Part No. SMF15CA Mouser Part No 576-SMF15CA	Littelfuse	ESD Protection Diodes / TVS Diodes SMF - CA 15V Learn More about Littelfuse smf tvs diodes	Datasheet	43 819In Stock 48 000Expected 15/12/2026	Cut Tape 0,525 € 0,234 € 0,206 € 0,155 € Reel 0,097 € View 0,153 € 0,089 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes SMF - CA 16V SMF16CA Littelfuse 1: 0,525 € 58 393In Stock 216 000On Order	Mfr. Part No. SMF16CA Mouser Part No 576-SMF16CA	Littelfuse	ESD Protection Diodes / TVS Diodes SMF - CA 16V Learn More about Littelfuse smf tvs diodes	Datasheet	58 393In Stock 216 000On Order On Order Ship Dates Mfr. No: SMF16CA Stock: 58 393 Can Dispatch Immediately On Order: 114 000 Expected 21/12/2026 102 000 Expected 08/02/2027 Factory Lead Time: 18 Weeks	Cut Tape 0,525 € 0,234 € 0,206 € 0,155 € Reel 0,103 € View 0,153 € 0,09 € 0,089 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 200W 24V 5% Uni-directional SMF24A Littelfuse 1: 0,456 € 64 613In Stock 42 000Expected 18/02/2027	Mfr. Part No. SMF24A Mouser Part No 576-SMF24A	Littelfuse	ESD Protection Diodes / TVS Diodes 200W 24V 5% Uni-directional Learn More about Littelfuse smf tvs diodes	Datasheet	64 613In Stock 42 000Expected 18/02/2027	Cut Tape 0,456 € 0,205 € 0,18 € 0,135 € Reel 0,084 € View 0,124 € 0,074 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes SMF - CA 24V SMF24CA Littelfuse 1: 0,602 € 48 321In Stock 33 000On Order	Mfr. Part No. SMF24CA Mouser Part No 576-SMF24CA	Littelfuse	ESD Protection Diodes / TVS Diodes SMF - CA 24V Learn More about Littelfuse smf tvs diodes	Datasheet	48 321In Stock 33 000On Order On Order Ship Dates Mfr. No: SMF24CA Stock: 48 321 Can Dispatch Immediately On Order: 18 000 Expected 15/03/2027 15 000 Expected 16/03/2027 Factory Lead Time: 18 Weeks	Cut Tape 0,602 € 0,281 € 0,242 € 0,184 € Reel 0,117 € View 0,153 € 0,101 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 200W 26V 5% Uni-directional SMF26A Littelfuse 1: 0,456 € 52 570In Stock	Mfr. Part No. SMF26A Mouser Part No 576-SMF26A	Littelfuse	ESD Protection Diodes / TVS Diodes 200W 26V 5% Uni-directional Learn More about Littelfuse smf tvs diodes	Datasheet	52 570In Stock	Cut Tape 0,456 € 0,205 € 0,18 € 0,135 € Reel 0,084 € View 0,128 € 0,074 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes SMF - CA 28V SMF28CA Littelfuse 1: 0,525 € 14 951In Stock 6 000Expected 19/11/2026	Mfr. Part No. SMF28CA Mouser Part No 576-SMF28CA	Littelfuse	ESD Protection Diodes / TVS Diodes SMF - CA 28V Learn More about Littelfuse smf tvs diodes	Datasheet	14 951In Stock 6 000Expected 19/11/2026	Cut Tape 0,525 € 0,234 € 0,206 € 0,155 € Reel 0,098 € View 0,153 € 0,089 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 200W 30V 5% Uni-directional SMF30A Littelfuse 1: 0,49 € 30 095In Stock 393 000On Order	Mfr. Part No. SMF30A Mouser Part No 576-SMF30A	Littelfuse	ESD Protection Diodes / TVS Diodes 200W 30V 5% Uni-directional Learn More about Littelfuse smf tvs diodes	Datasheet	30 095In Stock 393 000On Order On Order Ship Dates Mfr. No: SMF30A Stock: 30 095 Can Dispatch Immediately On Order: 69 000 Expected 07/12/2026 105 000 Expected 11/02/2027 219 000 Expected 01/03/2027 Factory Lead Time: 20 Weeks	Cut Tape 0,49 € 0,218 € 0,191 € 0,143 € Reel 0,089 € View 0,118 € 0,077 € 0,075 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes SMF - CA 30V SMF30CA Littelfuse 1: 0,525 € 14 004In Stock 33 000On Order	Mfr. Part No. SMF30CA Mouser Part No 576-SMF30CA	Littelfuse	ESD Protection Diodes / TVS Diodes SMF - CA 30V Learn More about Littelfuse smf tvs diodes	Datasheet	14 004In Stock 33 000On Order On Order Ship Dates Mfr. No: SMF30CA Stock: 14 004 Can Dispatch Immediately On Order: 15 000 Expected 24/11/2026 18 000 Expected 02/03/2027 Factory Lead Time: 18 Weeks	Cut Tape 0,525 € 0,234 € 0,206 € 0,155 € Reel 0,097 € View 0,153 € 0,089 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 200W 40V 5% Uni-directional SMF40A Littelfuse 1: 0,456 € 54 308In Stock 39 000Expected 20/04/2027	Mfr. Part No. SMF40A Mouser Part No 576-SMF40A	Littelfuse	ESD Protection Diodes / TVS Diodes 200W 40V 5% Uni-directional Learn More about Littelfuse smf tvs diodes	Datasheet	54 308In Stock 39 000Expected 20/04/2027	Cut Tape 0,456 € 0,205 € 0,18 € 0,135 € Reel 0,084 € View 0,128 € 0,074 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes SMF - CA 43V SMF43CA Littelfuse 1: 0,525 € 15 809In Stock	Mfr. Part No. SMF43CA Mouser Part No 576-SMF43CA	Littelfuse	ESD Protection Diodes / TVS Diodes SMF - CA 43V Learn More about Littelfuse smf tvs diodes	Datasheet	15 809In Stock	Cut Tape 0,525 € 0,234 € 0,206 € 0,155 € Reel 0,098 € View 0,153 € 0,097 € 0,095 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 200W 45V 5% Uni-directional SMF45A Littelfuse 1: 0,473 € 41 957In Stock 84 000On Order	Mfr. Part No. SMF45A Mouser Part No 576-SMF45A	Littelfuse	ESD Protection Diodes / TVS Diodes 200W 45V 5% Uni-directional Learn More about Littelfuse smf tvs diodes	Datasheet	41 957In Stock 84 000On Order On Order Ship Dates Mfr. No: SMF45A Stock: 41 957 Can Dispatch Immediately On Order: 45 000 Expected 09/03/2027 39 000 Expected 07/04/2027 Factory Lead Time: 20 Weeks	Cut Tape 0,473 € 0,246 € 0,183 € 0,138 € Reel 0,099 € View 0,097 € 0,083 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 200W 6V 5% Uni-directional SMF6.0A Littelfuse 1: 0,447 € 38 165In Stock	Mfr. Part No. SMF6.0A Mouser Part No 576-SMF6.0A	Littelfuse	ESD Protection Diodes / TVS Diodes 200W 6V 5% Uni-directional Learn More about Littelfuse smf tvs diodes	Datasheet	38 165In Stock	Cut Tape 0,447 € 0,199 € 0,174 € 0,131 € 0,128 € Reel 0,082 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 200W 70V 5% Uni-directional SMF70A Littelfuse 1: 0,499 € 24 192In Stock	Mfr. Part No. SMF70A Mouser Part No 576-SMF70A	Littelfuse	ESD Protection Diodes / TVS Diodes 200W 70V 5% Uni-directional Learn More about Littelfuse smf tvs diodes	Datasheet	24 192In Stock	Cut Tape 0,499 € 0,246 € 0,212 € 0,158 € Reel 0,101 € View 0,138 € 0,087 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 1.5kW 100V 5% Uni-Directional 1.5SMC100A Littelfuse 1: 0,972 € 3 694In Stock	Mfr. Part No. 1.5SMC100A Mouser Part No 576-1.5SMC100A	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 100V 5% Uni-Directional Learn More about Littelfuse tvsdiodes	Datasheet	3 694In Stock	Cut Tape 0,972 € 0,447 € 0,396 € 0,304 € 0,296 € Reel 0,209 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 1.5kW 110V 5% Bi-Directional 1.5SMC110CA Littelfuse 1: 1,12 € 281In Stock	Mfr. Part No. 1.5SMC110CA Mouser Part No 576-1.5SMC110CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 110V 5% Bi-Directional Learn More about Littelfuse tvsdiodes	Datasheet	281In Stock	Cut Tape 1,12 € 0,605 € 0,458 € 0,36 € 0,351 € Reel 0,233 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 1.5kW 11V 5% Bi-Directional 1.5SMC11CA Littelfuse 1: 1,13 € 2 130In Stock	Mfr. Part No. 1.5SMC11CA Mouser Part No 576-1.5SMC11CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 11V 5% Bi-Directional Learn More about Littelfuse tvsdiodes	Datasheet	2 130In Stock	Cut Tape 1,13 € 0,701 € 0,46 € 0,338 € 0,308 € Reel 0,282 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 1.5kW 120V 5% Uni-Directional 1.5SMC120A Littelfuse 1: 1,08 € 1 062In Stock	Mfr. Part No. 1.5SMC120A Mouser Part No 576-1.5SMC120A	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 120V 5% Uni-Directional Learn More about Littelfuse tvsdiodes	Datasheet	1 062In Stock	Cut Tape 1,08 € 0,674 € 0,443 € 0,325 € Reel 0,285 € View 0,296 € 0,272 € 0,271 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 1.5kW 120V 5% Bi-Directional 1.5SMC120CA Littelfuse 1: 1,13 € 2 177In Stock	Mfr. Part No. 1.5SMC120CA Mouser Part No 576-1.5SMC120CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 120V 5% Bi-Directional Learn More about Littelfuse tvsdiodes	Datasheet	2 177In Stock	Cut Tape 1,13 € 0,706 € 0,463 € 0,358 € 0,328 € Reel 0,328 € 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 € 2 903In 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	2 903In Stock	Cut Tape 0,946 € 0,434 € 0,384 € 0,296 € Reel 0,217 € View 0,293 € 0,198 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 1.5kW 12V 5% Bi-Directional 1.5SMC12CA Littelfuse 1: 1,09 € 57In Stock 3 000Expected 22/04/2027	Mfr. Part No. 1.5SMC12CA Mouser Part No 576-1.5SMC12CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 12V 5% Bi-Directional Learn More about Littelfuse tvsdiodes	Datasheet	57In Stock 3 000Expected 22/04/2027	Cut Tape 1,09 € 0,605 € 0,447 € 0,338 € 0,319 € Reel 0,226 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 1.5kW 130V 5% Uni-Directional 1.5SMC130A Littelfuse 1: 0,808 € 789In Stock	Mfr. Part No. 1.5SMC130A Mouser Part No 576-1.5SMC130A	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 130V 5% Uni-Directional Learn More about Littelfuse tvsdiodes	Datasheet	789In Stock	Cut Tape 0,808 € 0,372 € 0,329 € 0,255 € Reel 0,224 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000

Auxiliary Power Supply

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Auxiliary Power Supply

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