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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 (SGD) Filter the results in the table by unit price based on your quantity.	Qty.
ESD Protection Diodes / TVS Diodes 1.5kW 13V 5% Bi-Directional 1.5SMC13CA Littelfuse 1: $1.31 2,978In Stock	Mfr. Part No. 1.5SMC13CA Mouser Part No 576-1.5SMC13CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 13V 5% Bi-Directional Learn More about Littelfuse tvsdiodes	Datasheet	2,978In Stock	Cut Tape $1.31 $0.605 $0.537 $0.498 $0.487 Reel $0.369 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.5kW 150V 5% Uni-Directional 1.5SMC150A Littelfuse 1: $1.52 881In Stock	Mfr. Part No. 1.5SMC150A Mouser Part No 576-1.5SMC150A	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 150V 5% Uni-Directional Learn More about Littelfuse tvsdiodes	Datasheet	881In Stock	Cut Tape $1.52 $0.706 $0.626 $0.483 $0.475 Reel $0.33 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.5kW 15V 5% Uni-Directional 1.5SMC15A Littelfuse 1: $1.41 4,913In Stock	Mfr. Part No. 1.5SMC15A Mouser Part No 576-1.5SMC15A	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 15V 5% Uni-Directional Learn More about Littelfuse tvsdiodes	Datasheet	4,913In Stock	Cut Tape $1.41 $0.65 $0.575 $0.442 Reel $0.322 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.5kW 15V 5% Bi-Directional 1.5SMC15CA Littelfuse 1: $1.58 3,480In Stock	Mfr. Part No. 1.5SMC15CA Mouser Part No 576-1.5SMC15CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 15V 5% Bi-Directional Learn More about Littelfuse tvsdiodes	Datasheet	3,480In Stock	Cut Tape $1.58 $0.728 $0.643 $0.498 $0.491 Reel $0.343 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.5kW 160V 5% Uni-Directional 1.5SMC160A Littelfuse 1: $1.52 750In Stock	Mfr. Part No. 1.5SMC160A Mouser Part No 576-1.5SMC160A	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 160V 5% Uni-Directional Learn More about Littelfuse tvsdiodes	Datasheet	750In Stock	Cut Tape $1.52 $0.706 $0.626 $0.483 $0.475 Reel $0.33 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.5kW 16V 5% Uni-Directional 1.5SMC16A Littelfuse 1: $1.62 1,069In Stock 3,000Expected 15/7/2027	Mfr. Part No. 1.5SMC16A Mouser Part No 576-1.5SMC16A	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 16V 5% Uni-Directional Learn More about Littelfuse tvsdiodes	Datasheet	1,069In Stock 3,000Expected 15/7/2027	Cut Tape $1.62 $0.898 $0.661 $0.495 $0.479 Reel $0.33 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.5kW 170V 5% Bi-Directional 1.5SMC170CA Littelfuse 1: $1.78 642In Stock	Mfr. Part No. 1.5SMC170CA Mouser Part No 576-1.5SMC170CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 170V 5% Bi-Directional Learn More about Littelfuse tvsdiodes	Datasheet	642In Stock	Cut Tape $1.78 $1.12 $0.732 $0.566 $0.479 Reel $0.43 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.5kW 180V 5% Uni-Directional 1.5SMC180A Littelfuse 1: $1.52 5,854In Stock	Mfr. Part No. 1.5SMC180A Mouser Part No 576-1.5SMC180A	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 180V 5% Uni-Directional Learn More about Littelfuse tvsdiodes	Datasheet	5,854In Stock	Cut Tape $1.52 $0.706 $0.626 $0.483 Reel $0.378 View $0.475 $0.33 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.5kW 180V 5% Bi-Directional 1.5SMC180CA Littelfuse 1: $1.86 97In Stock 3,000Expected 19/5/2027	Mfr. Part No. 1.5SMC180CA Mouser Part No 576-1.5SMC180CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 180V 5% Bi-Directional Learn More about Littelfuse tvsdiodes	Datasheet	97In Stock 3,000Expected 19/5/2027	Cut Tape $1.86 $1.17 $1.01 $0.748 View Reel $0.40 $0.579 $0.532 $0.40 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.5kW 18V 5% Uni-Directional 1.5SMC18A Littelfuse 1: $1.60 81In Stock 12,000On Order	Mfr. Part No. 1.5SMC18A Mouser Part No 576-1.5SMC18A	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 18V 5% Uni-Directional Learn More about Littelfuse tvsdiodes	Datasheet	81In Stock 12,000On Order On Order Ship Dates Mfr. No: 1.5SMC18A Stock: 81 Can Dispatch Immediately On Order: 6,000 Expected 28/12/2026 6,000 Expected 18/1/2027 Factory Lead Time: 34 Weeks	Cut Tape $1.60 $0.892 $0.656 $0.491 $0.464 Reel $0.34 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.5kW 18V 5% Bi-Directional 1.5SMC18CA Littelfuse 1: $1.67 2,968In Stock 3,000Expected 17/5/2027	Mfr. Part No. 1.5SMC18CA Mouser Part No 576-1.5SMC18CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 18V 5% Bi-Directional Learn More about Littelfuse tvsdiodes	Datasheet	2,968In Stock 3,000Expected 17/5/2027	Cut Tape $1.67 $0.771 $0.683 $0.528 Reel $0.344 View $0.505 $0.343 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.5kW 200V 5% Bi-Directional 1.5SMC200CA Littelfuse 1: $1.75 1,615In Stock 3,000Expected 10/5/2027	Mfr. Part No. 1.5SMC200CA Mouser Part No 576-1.5SMC200CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 200V 5% Bi-Directional Learn More about Littelfuse tvsdiodes	Datasheet	1,615In Stock 3,000Expected 10/5/2027	Cut Tape $1.75 $1.01 $0.816 $0.68 View Reel $0.40 $0.536 $0.495 $0.40 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.5kW 20V 5% Bi-Directional 1.5SMC20CA Littelfuse 1: $1.58 1,988In Stock 3,000Expected 12/4/2027	Mfr. Part No. 1.5SMC20CA Mouser Part No 576-1.5SMC20CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 20V 5% Bi-Directional Learn More about Littelfuse tvsdiodes	Datasheet	1,988In Stock 3,000Expected 12/4/2027	Cut Tape $1.58 $0.728 $0.643 $0.498 $0.491 Reel $0.343 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.5kW 220V 5% Bi-Directional 1.5SMC220CA Littelfuse 1: $1.80 2,997In Stock 3,000Expected 1/6/2027	Mfr. Part No. 1.5SMC220CA Mouser Part No 576-1.5SMC220CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 220V 5% Bi-Directional Learn More about Littelfuse tvsdiodes	Datasheet	2,997In Stock 3,000Expected 1/6/2027	Cut Tape $1.80 $1.12 $0.979 $0.738 Reel $0.416 View $0.574 $0.415 $0.40 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.5kW 22V 5% Bi-Directional 1.5SMC22CA Littelfuse 1: $1.67 3,735In Stock 3,000Expected 23/2/2027	Mfr. Part No. 1.5SMC22CA Mouser Part No 576-1.5SMC22CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 22V 5% Bi-Directional Learn More about Littelfuse tvsdiodes	Datasheet	3,735In Stock 3,000Expected 23/2/2027	Cut Tape $1.67 $0.771 $0.683 $0.528 Reel $0.39 View $0.505 $0.343 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.5kW 24V 5% Uni-Directional 1.5SMC24A Littelfuse 1: $1.60 3,510In Stock	Mfr. Part No. 1.5SMC24A Mouser Part No 576-1.5SMC24A	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 24V 5% Uni-Directional Learn More about Littelfuse tvsdiodes	Datasheet	3,510In Stock	Cut Tape $1.60 $0.743 $0.657 $0.507 Reel $0.374 View $0.476 $0.326 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.5kW 24V 5% Bi-Directional 1.5SMC24CA Littelfuse 1: $1.67 911In Stock	Mfr. Part No. 1.5SMC24CA Mouser Part No 576-1.5SMC24CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 24V 5% Bi-Directional Learn More about Littelfuse tvsdiodes	Datasheet	911In Stock	Cut Tape $1.67 $0.908 $0.684 $0.515 $0.492 Reel $0.358 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.5kW 27V 5% Bi-Directional 1.5SMC27CA Littelfuse 1: $1.58 1,589In Stock 3,000Expected 20/4/2027	Mfr. Part No. 1.5SMC27CA Mouser Part No 576-1.5SMC27CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 27V 5% Bi-Directional Learn More about Littelfuse tvsdiodes	Datasheet	1,589In Stock 3,000Expected 20/4/2027	Cut Tape $1.58 $0.728 $0.643 $0.534 $0.507 Reel $0.343 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.5kW 300V 5% Uni-Directional 1.5SMC300A Littelfuse 1: $2.07 155In Stock 9,000Expected 2/12/2026	Mfr. Part No. 1.5SMC300A Mouser Part No 576-1.5SMC300A	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 300V 5% Uni-Directional Learn More about Littelfuse tvsdiodes	Datasheet	155In Stock 9,000Expected 2/12/2026	Cut Tape $2.07 $1.30 $1.10 $0.849 View Reel $0.515 $0.692 $0.639 $0.515 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.5kW 30V 5% Uni-Directional 1.5SMC30A Littelfuse 1: $1.50 2,666In Stock 6,000Expected 10/3/2027	Mfr. Part No. 1.5SMC30A Mouser Part No 576-1.5SMC30A	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 30V 5% Uni-Directional Learn More about Littelfuse tvsdiodes	Datasheet	2,666In Stock 6,000Expected 10/3/2027	Cut Tape $1.50 $0.687 $0.608 $0.468 $0.464 Reel $0.326 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.5kW 30V 5% Bi-Directional 1.5SMC30CA Littelfuse 1: $1.41 4,550In Stock	Mfr. Part No. 1.5SMC30CA Mouser Part No 576-1.5SMC30CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 30V 5% Bi-Directional Learn More about Littelfuse tvsdiodes	Datasheet	4,550In Stock	Cut Tape $1.41 $0.65 $0.575 $0.442 Reel $0.343 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.5kW 33V 5% Bi-Directional 1.5SMC33CA Littelfuse 1: $1.54 1,997In Stock 3,000Expected 15/3/2027	Mfr. Part No. 1.5SMC33CA Mouser Part No 576-1.5SMC33CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 33V 5% Bi-Directional Learn More about Littelfuse tvsdiodes	Datasheet	1,997In Stock 3,000Expected 15/3/2027	Cut Tape $1.54 $0.874 $0.636 $0.481 $0.452 Reel $0.345 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.5kW 350V 5% Uni-Directional 1.5SMC350A Littelfuse 1: $2.19 3,685In Stock 3,000Expected 14/7/2027	Mfr. Part No. 1.5SMC350A Mouser Part No 576-1.5SMC350A	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 350V 5% Uni-Directional Learn More about Littelfuse tvsdiodes	Datasheet	3,685In Stock 3,000Expected 14/7/2027	Cut Tape $2.19 $1.37 $1.15 $0.898 Reel $0.526 View $0.694 $0.676 $0.49 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.5kW 350V 5% Bi-Directional 1.5SMC350CA Littelfuse 1: $2.15 2,326In Stock 6,000Expected 11/1/2027	Mfr. Part No. 1.5SMC350CA Mouser Part No 576-1.5SMC350CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 350V 5% Bi-Directional Learn More about Littelfuse tvsdiodes	Datasheet	2,326In Stock 6,000Expected 11/1/2027	Cut Tape $2.15 $1.36 $1.02 $0.904 View Reel $0.532 $0.709 $0.669 $0.532 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.5kW 36V 5% Uni-Directional 1.5SMC36A Littelfuse 1: $1.50 4,629In Stock 15,000On Order	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	4,629In Stock 15,000On Order On Order Ship Dates Mfr. No: 1.5SMC36A Stock: 4,629 Can Dispatch Immediately On Order: 6,000 Expected 5/11/2026 9,000 Expected 15/7/2027 Factory Lead Time: 34 Weeks	Cut Tape $1.50 $0.688 $0.609 $0.469 Reel $0.322 MouseReel Available	Min.: 1 Mult.: 1 : 3,000

Auxiliary Power Supply

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