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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 (IDR) Filter the results in the table by unit price based on your quantity.	Qty.
ESD Protection Diodes / TVS Diodes 1.5kW 110V 5% Uni-Directional 1.5SMC110A Littelfuse 1: Rp10.274 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 Rp10.274 Rp8.623 Rp7.705 Rp6.311 Reel Rp4.238 View Rp5.706 Rp4.220 Rp3.889 MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes 1.5kW 540V 5% Bi-Directional 1.5SMC540CA Littelfuse 1: Rp27.519 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 Rp27.519 Rp13.686 Rp11.521 Rp9.026 Reel Rp6.348 View Rp8.182 Rp6.256 MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes SMF - CA 36V SMF36CA Littelfuse 1: Rp11.008 2.999In Stock 9.000Expected 03/02/2027	Mfr. Part No. SMF36CA Mouser Part No 576-SMF36CA	Littelfuse	ESD Protection Diodes / TVS Diodes SMF - CA 36V Learn More about Littelfuse smf tvs diodes	Datasheet	2.999In Stock 9.000Expected 03/02/2027	Cut Tape Rp11.008 Rp4.990 Rp4.293 Rp3.302 Reel Rp2.073 View Rp3.174 Rp1.890 MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes 1.5kW 12V 5% Uni-Directional 1.5SMC12A Littelfuse 1: Rp20.181 5.903In 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	5.903In Stock	Cut Tape Rp20.181 Rp9.265 Rp8.182 Rp6.146 Reel Rp4.073 View Rp5.999 Rp4.054 MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes 1.5kW 160V 5% Bi-Directional 1.5SMC160CA Littelfuse 1: Rp11.925 4.979In 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	4.979In Stock	Cut Tape Rp11.925 Rp10.090 Rp9.081 Rp7.155 Reel Rp4.972 View Rp6.458 Rp4.697 MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes SMF - CA 20V SMF20CA Littelfuse 1: Rp10.457 36.420In 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	36.420In Stock	Cut Tape Rp10.457 Rp4.990 Rp4.091 Rp3.302 Reel Rp1.871 View Rp2.752 Rp1.835 Rp1.798 Rp1.743 MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes 1.5kW 10V 5% Bi-Directional 1.5SMC10CA Littelfuse 1: Rp8.623 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 Rp8.623 Rp8.476 Rp7.962 Rp6.494 Reel Rp4.385 View Rp5.889 Rp4.183 Rp4.036 MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes 1.5kW 170V 5% Uni-Directional 1.5SMC170A Littelfuse 1: Rp10.274 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 Rp10.274 Rp8.036 Rp7.155 Rp5.485 Reel Rp4.788 View Rp5.449 Rp4.036 MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes 1.5kW 200V 5% Uni-Directional 1.5SMC200A Littelfuse 1: Rp18.896 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 Rp18.896 Rp9.008 Rp7.834 Rp6.128 Reel Rp3.981 Rp3.889 MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes 1.5kW 100V 5% Bi-Directional 1.5SMC100CA Littelfuse 1: Rp14.677 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 Rp14.677 Rp10.164 Rp8.458 Rp6.825 Reel Rp4.568 View Rp6.183 Rp4.238 MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes 1.5kW 16V 5% Bi-Directional 1.5SMC16CA Littelfuse 1: Rp11.008 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 Rp11.008 Rp7.320 Rp6.311 Rp4.513 Reel Rp4.385 View Rp4.385 Rp4.036 MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes 1.5kW 250V 5% Bi-Directional 1.5SMC250CA Littelfuse 1: Rp20.914 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 Rp20.914 Rp10.989 Rp9.100 Rp7.155 Reel Rp4.972 View Rp6.458 Rp4.953 Rp4.697 MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes 1.5kW 540V 5% Uni-Directional 1.5SMC540A Littelfuse 1: Rp26.235 3.446In 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	3.446In Stock	Cut Tape Rp26.235 Rp12.861 Rp10.989 Rp8.604 Reel Rp5.907 View Rp8.164 Rp5.779 MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes 1.5kW 51V 5% Bi-Directional 1.5SMC51CA Littelfuse 1: Rp21.832 4.810In 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 about Littelfuse tvsdiodes	Datasheet	4.810In Stock	Cut Tape Rp21.832 Rp10.402 Rp8.861 Rp7.008 Rp6.348 Reel Rp4.623 MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes 1.5kW 68V 5% Uni-Directional 1.5SMC68A Littelfuse 1: Rp20.181 3.212In Stock	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 about Littelfuse tvsdiodes	Datasheet	3.212In Stock	Cut Tape Rp20.181 Rp9.448 Rp7.577 Rp5.944 Rp5.651 Reel Rp4.403 MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes 1.5kW 36V 5% Bi-Directional 1.5SMC36CA Littelfuse 1: Rp20.181 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 Rp20.181 Rp9.283 Rp6.421 Rp5.027 Reel Rp4.110 View Rp5.008 Rp3.889 MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes 1.5kW 51V 5% Uni-Directional 1.5SMC51A Littelfuse 1: Rp19.814 2.964In 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	2.964In Stock 3.000Expected 29/10/2026	Cut Tape Rp19.814 Rp9.448 Rp8.072 Rp6.238 Reel Rp4.201 View Rp5.651 Rp4.183 Rp3.853 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: Rp10.641 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 Rp10.641 Rp8.898 Rp7.962 Rp6.494 Reel Rp4.385 View Rp5.889 Rp4.366 Rp4.036 MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes SMF - CA 11V SMF11CA Littelfuse 1: Rp11.558 11.401In Stock	Mfr. Part No. SMF11CA Mouser Part No 576-SMF11CA	Littelfuse	ESD Protection Diodes / TVS Diodes SMF - CA 11V Learn More about Littelfuse smf tvs diodes	Datasheet	11.401In Stock	Cut Tape Rp11.558 Rp5.999 Rp4.476 Rp3.376 Reel Rp2.330 View Rp2.165 Rp2.091 Rp1.890 MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes 1.5kW 250V 5% Uni-Directional 1.5SMC250A Littelfuse 1: Rp20.364 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 Rp20.364 Rp9.522 Rp8.292 Rp6.403 Rp6.073 Reel Rp4.458 MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes 1.5kW 27V 5% Uni-Directional 1.5SMC27A Littelfuse 1: Rp18.346 10.908In 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	10.908In Stock	Cut Tape Rp18.346 Rp9.448 Rp7.742 Rp6.054 Reel Rp4.440 View Rp5.651 Rp4.403 MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes 1.5kW 550V 5% Bi-Directional 1.5SMC550CA Littelfuse 1: Rp30.087 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 Rp30.087 Rp14.512 Rp12.659 Rp10.127 Rp9.411 Reel Rp7.173 MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes 1.5kW 56V 5% Uni-Directional 1.5SMC56A Littelfuse 1: Rp19.814 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 Rp19.814 Rp8.769 Rp7.724 Rp5.962 Rp5.889 Reel Rp4.403 MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes 1.5kW 56V 5% Bi-Directional 1.5SMC56CA Littelfuse 1: Rp21.281 11.795In Stock	Mfr. Part No. 1.5SMC56CA Mouser Part No 576-1.5SMC56CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 56V 5% Bi-Directional Learn More about Littelfuse tvsdiodes	Datasheet	11.795In Stock	Cut Tape Rp21.281 Rp11.485 Rp8.678 Rp6.715 Reel Rp4.825 MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes 1.5kW 82V 5% Bi-Directional 1.5SMC82CA Littelfuse 1: Rp20.914 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 Rp20.914 Rp9.815 Rp8.531 Rp6.605 Reel Rp5.100 View Rp6.256 Rp4.697 Rp4.623 MouseReel Available	Min.: 1 Mult.: 1 : 3.000

Auxiliary Power Supply

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