Stk412-230 Datasheet Pdf ((new)) May 2026

STK412-230 Datasheet PDF: The Complete Guide to Pinouts, Specifications, and Application Circuits

Introduction

If you are working on high-fidelity audio amplification, vintage stereo repair, or a DIY project requiring robust power output, you have likely encountered the STK412-230. This hybrid thick-film IC from SANYO (now ON Semiconductor) has been a workhorse in mid-to-high-end consumer electronics for decades. However, finding a complete, reliable STK412-230 Datasheet PDF can be challenging, as many online sources offer incomplete scans or misleading information.

Schematics: Community-shared circuit diagrams and board layouts can often be found in electronics groups on Facebook. Stk412-230 Datasheet Pdf

  • Supply Voltage (Vcc): Typically rated for ±35V to ±45V.
  • Output Power:
    • Re-branded pulls: Old chips with the top sanded down and re-printed.
    • Fake internals: Empty shells or low-power chips disguised as STK modules.
    • Advice: Buy from reputable surplus electronics vendors, not general marketplaces, and verify the print quality on the chip face.

    Muting Function: Pin 8 is TTL-compatible. A logic low (0V) mutes the output; a logic high (>2.5V) enables normal operation. STK412-230 Datasheet PDF: The Complete Guide to Pinouts,

    Package Type: SIP-18 or HZIP with a metal heat sink for superior thermal management. Core Features Supply Voltage (Vcc): Typically rated for ±35V to ±45V

    • Maximum output power: 23W (10% THD, 4Ω load)
    • Total harmonic distortion: 0.04% (1kHz, 1W output)
    • Voltage gain: 50dB (typ)
    • Input impedance: 30kΩ (typ)
    • Quiescent current: 50mA (typ)