Search for the exact part number: STK412530 . Be aware that "clones" or re-branded modules exist. While cheaper, they may have lower-quality thermal compounds inside. Stick to reputable electronics distributors if possible.
An in-depth understanding of the STK412-530 thick-film hybrid IC is essential for audio engineers and repair technicians working on high-power stereo systems. This chip, developed by Sanyo, is a member of the STK412-000 series, designed to deliver clean, efficient audio output using a specialized power supply switching topology.
1 dB), covering the full audible spectrum and keeping phase shifts outside the audible band. 55 k Ωcap omega stk412530 datasheet
| Parameter | Conditions / Test Conditions | Min | Typ | Max | Unit | | :--- | :--- | :--- | :--- | :--- | :--- | | | No signal | ±18 | - | ±36 | V | | Supply Voltage (VCC) | With signal | - | - | ±44 | V | | Quiescent Current (ICCO) | VCC = ±36V, no signal | - | 100 | 120 | mA | | Output Power (PO) | VCC = ±36V, RL = 4Ω, THD = 0.08% | - | 50 | - | W/ch | | Output Power (PO) | VCC = ±52V / ±26V (H-class), RL = 8Ω | - | 80 | 120 | W/ch | | Total Harmonic Distortion (THD) | f = 1kHz, PO = 30W, RL = 8Ω | - | - | 0.08 | % | | Frequency Response | VCC = ±36V, PO = 20W, RL = 8Ω | 20 | - | 50k | Hz | | Input Impedance (ri) | f = 1kHz | - | 56 | - | kΩ | | Damping Factor (DF) | f = 1kHz, RL = 8Ω | - | 60 | - | - | | Voltage Gain (VG) | f = 1kHz, RL = 8Ω | - | 40 | - | dB | | Output Noise Voltage (VNO) | Input grounded, IHF-A | - | 0.6 | 1.2 | mV | | Storage Temperature (Tstg) | No bias | -30 | - | +100 | °C | | Load Short Protection Time | Any load short to GND or VCC | - | - | 0.3 | s |
Internal drive node for Channel 2 supply switching circuitry. +VLpositive cap V sub cap L : Low-voltage positive power supply rail. +VHpositive cap V sub cap H : High-voltage positive power supply rail. Search for the exact part number: STK412530
At least 1.5°C/W thermal resistance (e.g., 100x100x40mm extruded aluminum finned heatsink). Apply thermal grease and use insulating washers if the heatsink is grounded.
Part of a series (50W to 180W) that shares the same pin layout, allowing one PCB design to support multiple power grades. Stick to reputable electronics distributors if possible
The STK412-530 incorporates several features that make it suitable for high-fidelity audio applications:
Sanyo STK412-530 is a two-channel, high-efficiency audio power amplifier IC designed for high-fidelity audio systems, typically used in home theaters and professional equipment. It is part of a pin-compatible series that allows manufacturers to use a common PCB for different power ratings. Key Specifications
Suitable for driving 6-ohm or 8-ohm speakers.