부품 번호	제조업체 / 브랜드	간단한 설명
FSFR2100XS	ON Semiconductor	IC FPS POWER SWITCH 9-SIP
FSFR2100XSL	ON Semiconductor	IC FPS POWER SWITCH 400W 9-SIPL
FSFR2100XST	FAIRCHILD	FSFR2100XST FAIRCHILD IC ZIP
FSFR2100_08	FAIRCHILD	Power Switch FPS for Half-Bridge Resonant Converters IC