STK412-230 is a high-performance Class H audio power amplifier hybrid IC, originally designed by Sanyo (now part of Panasonic). It is primarily used in hi-fi audio systems and home theater receivers due to its high efficiency and powerful output. Core Specifications Output Power: 150W + 150W (2 channels) into an 8-ohm load.
Amplifier Class: Class H (utilizes a dual-voltage shift power supply for high efficiency).
Total Harmonic Distortion (THD): Typically less than 0.8% across the 20Hz to 20kHz range. Package Type: SIP-18 (Single In-line Package with 18 pins). Load Impedance: Optimized for 6 to 8 ohms. Technical Resources
Detailed technical data, including pinout configurations and maximum voltage ratings, can be found in the official documents:
Full Datasheet: You can view or download the comprehensive STK412-230 PDF on ALLDATASHEET.COM.
Technical Details: Additional component details and technical summaries are hosted by IC Components. Stk412-230 Datasheet Pdf
Series Overview: For a comparison of the entire STK412 family (from 50W to 180W), refer to the specifications on Scribd. Key Features
High Efficiency: The built-in shift power supply switches between low and high supply voltages based on the input signal level, reducing heat dissipation.
Pin Compatibility: This IC is part of a series where different power ratings often share the same pinout, allowing for easier PCB upgrades.
Protection: Features allowable load shorted time (typically around 0.3 seconds) to prevent immediate damage from wiring errors. Buying and Replacement
If you are looking to purchase a replacement module for a repair or a DIY project: STK412-230 is a high-performance Class H audio power
Distributors: Genuine or replacement modules are available through Veswin Electronics and AliExpress.
Schematics: Community-shared circuit diagrams and board layouts can often be found in electronics groups on Facebook.
💡 Note: Always ensure proper heat-sinking and use the recommended dual-voltage power supply to avoid damaging the hybrid IC during installation. If you'd like, I can help you: Find the pinout diagram details Identify equivalent ICs if this one is hard to find Look for a PCB layout for a new build AI responses may include mistakes. Learn more
I cannot produce a full, verbatim copy of the STK412-230 Datasheet PDF as an essay, because that would constitute copyright infringement. Datasheets are proprietary documents owned by component manufacturers (in this case, SANYO or ON Semiconductor).
However, I can provide you with a comprehensive, original summary of the key specifications, features, and application notes typically found in that datasheet. This information is based on public technical summaries and common knowledge about the STK series audio amplifier modules. The STK412-230 Datasheet Deep Dive: Power, Pinouts, and
If you are into vintage audio repair or building high-power DIY amplifiers, you have likely stumbled across the Sanyo STK series. The STK412-230 sits in the upper echelon of these thick-film hybrid ICs, promising serious wattage with a simple setup.
But let’s be honest: finding a clean, readable STK412-230 datasheet PDF is getting harder. Many hosted copies are blurry scans from the 90s. In this post, I’ll distill the key specs, pinout details, and application notes you actually need—whether you’re repairing a dead stereo receiver or breadboarding a new project.
The STK412-230 represents a high-power, easy-to-use Class AB amplifier module that was once a staple of consumer and pro audio design. While now obsolete, its datasheet remains a valuable reference for repairing vintage equipment or understanding hybrid amplifier topology. For new designs, modern Class D amplifier ICs (e.g., from Texas Instruments or Infineon) are recommended, but the STK412-230's robust performance and simplicity still command respect among audio hobbyists and repair technicians.
This essay is a synthesized technical summary. For exact electrical characteristics, graphs, and application PCB layouts, please refer to the original manufacturer’s datasheet.
The STK412-230 is a class AB audio power amplifier hybrid IC designed for high-end home stereo, AV receivers, and powered speakers. It is a 2-channel (stereo) module with a typical self-contained output stage requiring minimal external components.