MOSFET SMD Type N-Channel MOSFET KI138K SOT-23-3 Unit: mm ■ Features 0.4 +0.2 2.9 -0.1 +0.1 0.4 -0.1 3 ● RDS(ON) ＜ 1.6Ω (VGS = 10V) 1 0.55 ● ID = 500 mA (VGS = 10V) +0.2 1.6 -0.1 +0.2 2.8 -0.1 ● VDS (V) = 50V 2 ● RDS(ON) ＜ 2.5Ω (VGS = 4.5V) +0.02 0.15 -0.02 +0.1 0.95 -0.1 +0.1 1.9 -0.2 +0.2 -0.1 ● RDS(ON) ＜ 4.5Ω (VGS = 2.5V) 1.1 ● ESD Protected 1.5KV HBM 0-0.1 +0.1 0.68 -0.1 1. Gate 2. Source 3. Drain ■ Absolute Maximum Ratings Ta = 25℃ Parameter Symbol Rating Drain-Source Voltage VDS 50 Gate-Source Voltage VGS ±20 ID 500 IDM 1200 Continuous Drain Current Pulsed Drain Current Power Dissipation Ta = 25℃ Derate above 25℃ Thermal Resistance.Junction- to-Ambient Junction Temperature Storage Temperature Range PD RthJA Unit V mA 500 mW 4 mW/℃ 250 ℃/W TJ 150 Tstg -55 to 150 ℃ www.kexin.com.cn 1 MOSFET SMD Type N-Channel MOSFET KI138K ■ Electrical Characteristics Ta = 25℃ Parameter Symbol Test Conditions Drain-Source Breakdown Voltage VDSS ID=250μA, VGS=0V Zero Gate Voltage Drain Current IDSS VDS=50V, VGS=0V IGSS VDS=0V, VGS=±20V Gate-Body Leakage Current Gate Threshold Voltage Static Drain-Source On-Resistance VGS(th) RDS(On) VDS=VGS , ID=250μA Min Typ 50 0.8 1 μA ±10 uA 1.5 V VGS=10V, ID=500mA 1.6 VGS=4.5V, ID=200mA 2.5 48 2.5 9 Ciss Output Capacitance Coss Reverse Transfer Capacitance Crss 2.7 5 Total Gate Charge Qg 0.6 1 Gate Source Charge Qgs VGS=4.5V, VDS=25V, ID=250mA Gate Drain Charge Qgd 0.21 td(on) 2.1 4.8 Turn-On Rise Time tr 18.2 36 Turn-Off DelayTime td(off) 6 11 21 48 Turn-Off Fall Time tf Maximum Body-Diode Continuous Current IS Diode Forward Voltage VSD IS=500mA,VGS=0V Note.1: Pulse width ≤ 300us,Duty cycle≤ 2℅ Note.2: Essentially independent of operating temperature typical characteristics. ■ Marking Marking 8K3 www.kexin.com.cn 0.86 pF nC 0.18 Turn-On DelayTime VGS=10V, VDS=25V, ID=500mA,RG=6Ω (Note.1 & 2) Ω 4.5 40.6 Input Capacitance VGS=0V, VDS=2.5V, f=1MHz Unit V VGS=2.5V, ID=100mA 2 Max ns 500 mA 1.5 V MOSFET SMD Type N-Channel MOSFET KI138K ■ Typical Characterisitics www.kexin.com.cn 3 MOSFET SMD Type N-Channel MOSFET KI138K ■ Typical Characterisitics . 4 www.kexin.com.cn