Stk411-210e Datasheet May 2026

STK411-210E Datasheet: A Comprehensive Guide to Sanyo’s High-Fidelity Audio Power Amplifier

Introduction

The STK411-210E is a hybrid integrated circuit (Hybrid IC) manufactured by Sanyo Semiconductors (now part of ON Semiconductor). Part of the renowned STK series of audio amplifier modules, this component was designed specifically for high-quality stereo audio applications in the late 1980s through the early 2000s. While the STK series has been largely discontinued, the STK411-210E remains highly sought after by vintage audio enthusiasts, repair technicians, and DIY audiophiles who restore classic stereo receivers, powered mixers, and home theater systems.

Since Sanyo discontinued many STK modules years ago, many chips on the market today are "new old stock" or third-party replacements. Ensure you buy from a reputable supplier to avoid "New-In-Box" failures. Circuit Protection Stk411-210e Datasheet

Specified to operate over an extended range of -40°C to 105°C (TA). Split Power Supply: Key features and benefits of the component, such

Compact Footprint: Replaces dozens of discrete components, saving PCB space. Specifications

2. Features

• Key features and benefits of the component, such as high performance, low power consumption, etc.

Specifications

• Electrical Characteristics: This section includes details like:

  In summary – The STK411-210E datasheet “story” is a ghost: a once-common part lost to time, where only the base STK411-210 specs survive. If you need to service an old stereo using that module, treat it as an STK411-210 and verify with a curve tracer or low-voltage test before powering up.

  1. Overview and Key Features

  The STK411-210E is a Class-AB, dual-channel (stereo) audio power amplifier IC. It is packaged in a compact, isolated SIP (Single Inline Package) that includes built-in power transistors, driver stages, and bias circuitry. The "210E" suffix indicates a specific voltage/power variant within the STK411 series.