The SGM4157YC is a low on-resistance (0.8Ω), fast single-pole double-throw (SPDT) CMOS switch. It is designed for low operating voltage and high current switching of speaker output for mobile phone applications. Available in SC70-6 package. It is located on the CB2_V8 control board, and the silkscreen is MIA.

Feature:

• On-resistance: 0.8Ω (TYP)

• Low static power consumption

• TTL/CMOS compatible

• Break-before-make switch

• Temperature range: -40°C to +85°C

• Miniature package

Application:

• Portable instruments

• Battery-powered equipment

• Computer Peripherals

• Cell phone

• Pocket PC

• CB2_V8 control board