2SA1943-O(Q) Transistor

Product Overview

The 2SA1943-O(Q) transistor belongs to the category of high-power PNP transistors. It is commonly used in audio amplifier circuits due to its high power and low distortion characteristics. The transistor comes in a TO-3P package and is typically sold in quantities of one or more.

Specifications

• Maximum Collector-Emitter Voltage: 230V
• Maximum Collector Current: 15A
• Power Dissipation: 150W
• Transition Frequency: 30MHz
• Operating Temperature Range: -55°C to 150°C

Pin Configuration

The 2SA1943-O(Q) transistor has a standard pin configuration with three pins: 1. Base (B) 2. Collector (C) 3. Emitter (E)

Functional Features

• High power capability
• Low distortion
• Wide operating temperature range
• High transition frequency

Advantages

• Suitable for high-power audio amplifiers
• Reliable and durable
• Wide operating temperature range allows for versatile applications

Disadvantages

• Higher cost compared to lower power transistors
• Requires careful heat management due to high power dissipation

Working Principles

The 2SA1943-O(Q) operates based on the principles of PNP transistor amplification. When a small current flows into the base (B) terminal, it controls a larger current flow between the collector (C) and emitter (E) terminals, allowing for amplification of signals in audio circuits.

Application Field Plans

The 2SA1943-O(Q) transistor is widely used in the following applications: - High-power audio amplifiers - Professional audio equipment - PA systems - High-fidelity stereo systems

Alternative Models

For those seeking alternative models, the following transistors can be considered: - 2SC5200-O(Q) - MJL4281A-O(Q) - NJW0281G-O(Q) - MJE15032G-O(Q)

In conclusion, the 2SA1943-O(Q) transistor is a high-power PNP transistor suitable for audio amplifier applications, offering high power capability, low distortion, and wide operating temperature range. While it may have a higher cost and require careful heat management, its reliability and performance make it a popular choice in professional audio equipment and high-fidelity systems.