Littelfuse AC/DC Power Supply

Littelfuse AC/DC Power Supply is a commonly used building block in electronic designs. The components in these power supply building blocks need to be reliable and long-lasting, and Littelfuse offers a range of products that fit those requirements. This portfolio of components covers overcurrent and overvoltage protection, the power stage, and output protection. Typical applications for Littelfuse AC/DC Power Supply products include automotive, solar, industrial, manufacturing, and more.

Block Diagram

Littelfuse AC/DC Power Supply

Input Protection

Littelfuse AC/DC Power Supply

Fuse + Fuseholder
215, JLS, JLLS + LFT, LFJ

MOV or SIDACtor® + MOV
TMOV or P2300 + V10E300P

MOV + GDT
V10E300P + CG3 3.3

Power Stage

Littelfuse AC/DC Power Supply

Si/SiC Diode
LSIC2SD065XX, DSEI, DSEP, DPG

MOSFET or IGBT
X2-class, XPT, X3 Class

Gate Driver
IX4xx and IXD 6xx

Schottky Diode
MBR, DST

DC Output Protection

Littelfuse AC/DC Power Supply

Fuse or
253, 276

Resettable PPTC
Low Rho

TVS Diode
SMBJ

Littelfuse AC/DC Power Supply