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STK400-020 from SANYO

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STK400-020

Manufacturer: SANYO

2ch AF Power Amplifier (Split Power Supply) 15 W + 15 W, THD = 0.08%

Partnumber Manufacturer Quantity Availability
STK400-020,STK400020 SANYO 334 In Stock

Description and Introduction

2ch AF Power Amplifier (Split Power Supply) 15 W + 15 W, THD = 0.08% The STK400-020 is a hybrid IC (Integrated Circuit) audio amplifier module manufactured by Sanyo. Below are the factual details about its specifications, descriptions, and features:

### **Specifications:**  
- **Type:** Hybrid IC (Thick-film)  
- **Function:** Audio Power Amplifier  
- **Output Power:** 20W per channel (stereo)  
- **Operating Voltage:** Typically ±25V to ±30V (dual power supply)  
- **Total Harmonic Distortion (THD):** Low distortion (exact value depends on operating conditions)  
- **Frequency Response:** Suitable for audio applications (typically 20Hz–20kHz)  
- **Package Type:** SIP (Single In-line Package) with a heat sink tab  

### **Descriptions:**  
- The STK400-020 is designed for stereo audio amplification in consumer electronics like amplifiers and audio systems.  
- It integrates multiple amplifier stages into a single module, simplifying circuit design.  
- The thick-film hybrid construction ensures reliability and thermal stability.  

### **Features:**  
- **Dual-Channel:** Supports stereo amplification.  
- **Built-in Thermal Protection:** Prevents overheating damage.  
- **Low Noise:** Optimized for high-quality audio output.  
- **Compact Design:** Reduces external component count.  

For exact electrical characteristics, refer to the official datasheet from Sanyo (now part of ON Semiconductor).

Application Scenarios & Design Considerations

2ch AF Power Amplifier (Split Power Supply) 15 W + 15 W, THD = 0.08%

Alternative Part Number

  • 2SD2390 --: High-voltage/high-current NPN Darlington transistor commonly used to replace Sanyo STK audio power stages in discrete rebuilds; widely available and robust.
  • TDA7294 --: Integrated Class-AB audio power amplifier IC with comparable output power range, often used as a modern substitute when replacing STK-series hybrid modules.
  • LM3886 --: Well-known high-performance audio power amplifier IC with similar power capability, frequently chosen as a functional replacement for obsolete STK hybrid amplifiers.
  • STK402-020 --: Same STK400 series audio power amplifier family with comparable output rating and pinout, widely used as a direct substitute.
  • STK4036II --: Similar dual-channel audio power amplifier IC with comparable supply voltage and output power, commonly used in replacement of STK400-series devices.
  • TDA7265 --: Alternative stereo audio power amplifier IC with similar output power and supply range, suitable for equivalent audio applications.

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