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2SA1345

50 Volt, 100 Milliampere

Inventory:6,445

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Overview of 2SA1345

The 2SA1345 is a PNP epitaxial silicon transistor designed for high-voltage amplifier applications. This transistor offers high voltage capability and low saturation voltage, making it suitable for use in audio amplifiers and power supply circuits.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • E: Emitter
  • B: Base
  • C: Collector

Circuit Diagram

Include a circuit diagram illustrating the typical connection of the 2SA1345 transistor in an amplifier circuit for a visual representation.

Key Features

  • High Voltage Capability: The 2SA1345 can handle high voltage levels, making it suitable for high-power applications.
  • Low Saturation Voltage: With low saturation voltage characteristics, this transistor contributes to efficient amplifier operation.
  • PNP Epitaxial Silicon: The use of PNP epitaxial silicon technology ensures reliable performance in amplifier circuits.
  • High Current Gain: The 2SA1345 offers high current gain, enabling it to amplify weak signals effectively.

Note: For detailed technical specifications, please refer to the 2SA1345 datasheet.

Application

  • Audio Amplifiers: Ideal for use in audio amplifier circuits due to its high voltage capability and low saturation voltage.
  • Power Supply Circuits: Suitable for power supply regulator applications where high voltage handling is required.
  • Signal Amplification: Used for signal amplification in various electronic circuits due to its high current gain.

Functionality

The 2SA1345 is a high-voltage PNP transistor designed for amplification purposes, providing reliable performance in audio and power supply circuits.

Usage Guide

  • Mounting: Connect the Emitter, Base, and Collector pins according to the circuit design and datasheet specifications.
  • Voltage Ratings: Ensure that the voltage levels in the circuit are within the specified limits of the transistor to prevent damage.
  • Heat Dissipation: Provide adequate heat sinking if operating the transistor at high currents to ensure reliability.

Frequently Asked Questions

Q: Is the 2SA1345 suitable for audio amplifier circuits requiring high power output?
A: Yes, the 2SA1345's high voltage capability and low saturation voltage make it suitable for high-power audio amplifier applications.

Equivalent

For similar functionalities, consider these alternatives to the 2SA1345:

  • 2N5401: A PNP transistor with comparable characteristics suitable for general amplification applications.
  • BC557: This is another PNP transistor commonly used in audio amplifier circuits for signal amplification.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Packaging Bulk Part Status Active
Transistor Type PNP - Pre-Biased Current - Collector (Ic) (Max) 100 mA
Voltage - Collector Emitter Breakdown (Max) 50 V Resistor - Base (R1) 47 kOhms
Resistor - Emitter Base (R2) 47 kOhms Vce Saturation (Max) @ Ib, Ic 300mV @ 250µA, 5mA
Current - Collector Cutoff (Max) 500nA Frequency - Transition 250 MHz
Power - Max 300 mW Mounting Type Through Hole
Package / Case 3-SSIP Supplier Device Package 3-SPA

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