Transistor Tester High Accuracy Color Screen Multifunctional Capacitor Resistant Triode Detection Transistor Meter Item Type: Transistor Tester Material: ABS Display: 1.44 inches Battery Capacity: Rechargeable Lithium Battery 300mAh x 1 (shipped with built in battery) Charging Specification: USB Type C, 5V 1A Product Size: Approx. 71 x 87 x 28mm / 2.8 x 3.43 x 1.1in Category Range Instructions Triode 10<β<600 Magnification hfe, base emitter voltage Ube, Ic le, Collector emitter reverse cut off current lceo, lces, protective diode forward voltage drop Uf Diode Forward pressure drop<4.5V Forward voltage drop, junction capacitance, reverse leakage current Voltage Regulator Diode 0.01-4.5V (1-2-3 test area) Forward voltage drop, reverse breakdown voltage (K-A-A test area) Reverse breakdown voltage 0.01-32V Field effect tube JFET IGBT MIOSTET Grid capacitance Cg, drain current ld under Vgs, protecting diode forward voltage drop Uf Drain current ld under Vgs, safety diode forward voltage drop Uf Opening voltage Vt, gate capacitance Cg, drain source resistant Rds, safety diode forward voltage drop Uf Unidirectional thyristor Opening voltage<5V,Gate trigger current <6mA Gate voltage Bidirectional thyristor Capacitance 25pF~100mF Capacitance value, loss coefficient Vloss, internal resistant  Resistant 0.01Ω-50MΩ Resistant value Inductance  10μH-1000μH Inductance value, DC resistant Battery 0.1-4.5V Voltage value, positive and negative polarity