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BUY SI9120DY-T1-E3 https://www.utsource.net/itm/p/5147185.html
Universal Input Switchmode Controller
Description: The SI9120DY-T1-E3 is a P-channel enhancement mode MOSFET designed for low voltage, low current applications. Features: - Low On-Resistance: RDS(on) = 0.15Ω (max) @ VGS = -4.5 V - Low Gate Threshold Voltage: VGS(th) = -2.0 V (max) - Low Input Capacitance: Ciss = 5.0 pF (typ) - Low Output Capacitance: Coss = 1.0 pF (typ) - Low Leakage Current: IDSS = 0.1 μA (max) - Fast Switching Speed: tD(on) = 0.4 ns (typ) Applications: - Load Switching - Battery Protection - Automotive Applications - Low Voltage DC/DC Converters - Low Voltage Power Management (For reference only)