Product Overview

The 2SA1162-GR,LF(T is a silicon PNP epitaxial bipolar transistor (PCT process) from Toshiba, designed for general-purpose audio frequency amplification. It features high voltage (V_CEO=-50V) and high current (I_C=-150mA) capabilities, combined with excellent hFE linearity /h_FE(I_C=-0.1mA)/h_FE(I_C=-2mA)=0.95typ.) and low noise performance (NF=1dB typ.). Housed in a compact TO-236MOD package (0.012g weight), it is ideal for audio amplification, signal processing, and general-purpose amplification circuits.

Key Features

• High Voltage & Current Handling: Supports \(V_{CEO}=-50V\) and \(I_C=-150mA\) (max), suitable for high-power amplification tasks.
  Superior hFE Linearity: Maintains consistent hFE across current ranges, with a typical linearity of 0.95 for low-distortion signal amplification.
  High DC Current Gain: hFE ranges from 70~400 (GR grade: 200~400), enabling wide dynamic range amplification.
  Low Noise Figure: NF as low as 1dB (typ.) makes it suitable for high-fidelity audio and sensitive signal processing.
  Compact Package Design: TO-236MOD (SC-59) package ensures space-saving surface mounting for dense PCB layouts.

Technical Specifications

Typical Applications

• Audio Amplification: Ideal for audio systems and microphone preamps, offering low noise (1dB typ.) and high hFE linearity for pure sound reproduction.
• General Signal Amplification: Suits industrial instrumentation and consumer electronics for signal conditioning, supporting wide voltage/current inputs.
• Complementary Symmetry Circuits: Pairs with 2SC2712 (NPN) to form push-pull amplifiers, suitable for power amplification and voltage regulation.

Why Choose 2SA1162-GR,LF(T?

• Hi-Fi Audio Performance: 1dB typical noise and 0.95 hFE linearity meet strict requirements for low-distortion audio applications.
• Wide Operational Range: -50V voltage and -150mA current capability reduce the need for (multi-stage amplification).
• Space-Saving Design: TO-236MOD package is 50% smaller than traditional designs, optimizing space in portable devices.
• Reliable Thermal Stability: Epitaxial (PCT) process ensures stable operation across -55~125°C, suitable for harsh environments.
• Flexible Gain Options: Multiple hFE grades (O/Y/GR) allow customization, with GR grade (200~400) for high-gain precision amplifiers.

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