Stk412530 Datasheet (2024)
The STK412-530 is a high-performance, two-channel Class H audio power amplifier hybrid IC originally developed by Sanyo (now part of ON Semiconductor). It is designed to provide high-efficiency audio amplification for home theater systems, car audio, and professional equipment Core Technical Features The module utilizes a shift power supply
Typical application circuits
- Stereo power amp with dual supply rails (±VCC), input coupling capacitors, feedback network and bootstrap components as specified by the manufacturer.
- Recommended heatsinking and mounting using the module’s screw holes; follow thermal mounting instructions.
module. This isn't just another chip; it’s a high-performance Two-Channel Shift Power Supply Audio Power Amplifier IC stk412530 datasheet
Conclusion for the Engineer
If you are designing a new product, do not use the STK412-530. The datasheet shows a product frozen in 1995 technology. However, if you are restoring a vintage Kenwood, JVC, or Technics surround receiver, the datasheet is your bible. The STK412-530 is a high-performance, two-channel Class H
: It is often part of a pin-compatible series (STK412-000 series), allowing manufacturers to use the same PCB layout for different power output classes (e.g., 50W to 180W models). Application & Implementation Stereo power amp with dual supply rails (±VCC),
Operating Voltage: Requires a bipolar (dual) power supply, often around ±30V to ±40V (VL) and ±57V (VH) for full power operation. Maximum Supply Voltage: Up to ±69V (no signal).
The STK412-530 is a thick-film hybrid integrated circuit (IC) designed by Sanyo (now part of ON Semiconductor) for high-fidelity audio power amplification. Part of the renowned STK series, this module is specifically engineered for Class H audio amplification, providing high efficiency and robust power output for home stereo systems and AV receivers.
- A differential input stage (2SA992/2SC1845 equivalents off-chip).
- Bootstrap capacitors (100µF) to maximize voltage swing.
- Zobel networks (10Ω + 0.1µF) on every output.
Manufacturer / family
Sanyo / STK series (hybrid amplifier modules). Commonly used in stereo power amplifier applications.