This post explains for the semiconductor K4111.
The Part Number is K4111.
The function of this semiconductor is 2SK4111.
Manufacturers : Toshiba
Preview images :
2SK4111 TOSHIBA Field Effect Transistor Silicon N Channel MOS Type (π-MOSVI) 2SK4111 Switching Regulator Applications Unit: mm • • • • Low drain-source ON resistance: RDS (ON) = 0.54 Ω (typ.) High forward transfer admittance: |Yfs| = 8.5S (typ.) Low leakage current: IDSS = 100 μA (max) (VDS = 600 V) Enhancement mode: Vth = 2.0 to 4.0 V (VDS = 10 V, ID = 1 mA) Absolute Maximum Ratings (Ta = 25°C) Characteristics Drain-source voltage Drain-gate voltage (RGS = 20 kΩ) Gate-source voltage DC Drain current (Note 1) Symbol VDSS VDGR VGSS ID IDP PD EAS IAR EAR Tch Tstg Rating 600 600 ±30 10 40 45 363 10 4.5 150 -55 to 150 A W mJ A mJ °C °C Unit V V V Pulse (t = 1 ms) (Note 1) JEDEC JEITA TOSHIBA — SC-67 2-10R1B Drain power dissipation (Tc = 25°C) Single pulse avalanche energy (Note 2) Avalanche current Repetitive avalanche energy (Note 3) Channel temperature Storage temperature range Weight: 1.9 g (typ.) Note: Using continuously under heavy load […]