Feature: 1. [0.01 to 32V Range] Adopting independent measurement channel design, specially tailored for zener diode, with a measurable range of 0.01 to 32V, power supply before measurement. 2. [Efficient and Convenient] Support NRC infrared signal decoding for easy remote control testing. Its precise, efficient, and convenient features provide strong support for users. 3. [Replaceable Test Board] Innovatively incorporating replaceable patch mount functionality to easily meet various testing needs, enjoying unprecedented convenience and efficiency. 4. [Anti Burning] Features a humanized protective mechanism that discharges the undischarged capacitor upon insertion to prevent burning, ensuring safety during use. 5. [Efficient Detection] Simply plug and clamp, one button quick identification of component parameters, saving time and effort. Specification: Item Type: Transistor Tester Material: ABS Model: P1 Display Screen: 1.44 inch Battery Capacity: Rechargeable lithium battery 300mAH x 1 (built in) Charging Specifications: USB Type C, 5V 1A Size: Approx. 71 x 87 x 28mm / 2.80 x 3.43 x 1.10in Category Range Explain Triode 10<β<600 Amplification factor hfe, base emitter voltage Ube, Ic/le, collector emitter reverse cutoff current lceo, lces, protecting diode forward voltage drop Uf Diode Positive voltage drop<4.5V Forward voltage drop, junction capacitance, reverse leakage current Zener Diode 0.01-4.5V (1-2-3 test area) forward voltage drop, reverse breakdown voltage 0.01-32V Reverse breakdown voltage (K-A-A test area) Field Effect Transistor JFET Drain current ld under gate capacitance Cg, Vgs, protecting the forward voltage drop Uf of the diode IGBT Drain current ld under Vgs, protecting the forward voltage drop Uf of the diode MIOSTET Open voltage Vt, gate capacitance Cg, drain source resistor Rds, protecting the forward voltage drop Uf of the diode Unidirectional Thyristor Turn on voltage<5V Gate voltage Bidirectional Thyristor Gate trigger current<6mA Capacitor 25pF-100mF Capacitance value, loss coefficient Vloss, internal resistor Resistor 0.01Ω-50MΩ Resistor value Inductance 10μH-1000μH Inductance value, DC Resistor Battery 0.1-4.5V Voltage value, positive and negative polarity . Package List: 1 x Transistor Tester1 x Test Board1 x Data Cable1 x User Manual3 x Test Hook