The 2SA1645-Z is a PNP silicon transistor manufactured by Inchange Semiconductor. It's designed for amplifier and high-speed switching applications. It is characterized by its low saturation voltage, high current capacity, and fast switching speeds.

Applications

• High-speed switching circuits
• Amplifier circuits
• Power management circuits
• DC-DC converters

Features

• PNP Silicon Transistor
• Low Saturation Voltage
• High Collector Current
• Fast Switching Speed
• High hFE (DC Current Gain)

Benefits

• Efficient Switching: The fast switching speed reduces power loss during switching transitions, improving the overall efficiency of the circuit.
• High Gain Amplification: High hFE allows for efficient signal amplification with minimal input current.
• Low Power Dissipation: Low saturation voltage minimizes power dissipation in the ON state, contributing to cooler operation.
• Versatile: Suitable for a wide range of switching and amplification applications.

Technical Specifications

The 2SA1645-Z features a collector-emitter voltage (VCEO) of -50V, a collector current (IC) of -1.5A, and a collector power dissipation (PC) of 1W. The DC current gain (hFE) typically ranges from 85 to 170. The transition frequency (fT) is typically 140 MHz. It is typically available in a SOT-89 package. Always refer to the official datasheet for precise specifications.