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STK442-090

Manufacturer: SANYO

Function class AB 2 channels AF power amplifier

Partnumber Manufacturer Quantity Availability
STK442-090,STK442090 SANYO 677 In Stock

Description and Introduction

Function class AB 2 channels AF power amplifier The STK442-090 is a hybrid IC (integrated circuit) manufactured by SANYO. Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Manufacturer:** SANYO  
- **Type:** Hybrid IC (Thick Film Hybrid IC)  
- **Function:** Audio Power Amplifier  
- **Package:** SIP (Single In-line Package)  
- **Number of Channels:** 2 (Stereo)  
- **Output Power:** 20W per channel (typical at specified conditions)  
- **Operating Voltage:** Typically ±25V to ±30V (dual power supply)  
- **Total Harmonic Distortion (THD):** Low distortion for high-fidelity audio  
- **Frequency Response:** Suitable for audio applications (typically 20Hz–20kHz)  
- **Thermal Protection:** Includes built-in thermal shutdown  

### **Descriptions:**
The STK442-090 is a power amplifier IC designed for stereo audio applications. It integrates multiple amplifier stages into a single SIP package, reducing external component count. It is commonly used in audio systems such as amplifiers, home stereos, and other consumer electronics requiring moderate power output with good sound quality.

### **Features:**
- **High Power Output:** Capable of delivering up to 20W per channel.  
- **Low Noise & Distortion:** Designed for high-fidelity audio reproduction.  
- **Built-in Protection:** Includes thermal shutdown to prevent overheating.  
- **Compact Design:** SIP package allows space-efficient PCB mounting.  
- **Wide Supply Voltage Range:** Supports typical dual-supply operation (±25V to ±30V).  

This information is based on the manufacturer's datasheet and technical documentation. For exact performance parameters, always refer to the official datasheet.

Application Scenarios & Design Considerations

Function class AB 2 channels AF power amplifier

Alternative Part Number

  • STK441-090 --: Same STK44x series thick-film hybrid IC with similar pinout and supply voltage, commonly used as a direct substitute in CRT monitor deflection circuits.
  • STK443-090 --: Adjacent variant in the same STK44x family with comparable output capability, often interchangeable with minor circuit adjustment.
  • TDA8172 --: Widely available vertical deflection IC used in similar CRT applications; requires pinout verification but is a common functional replacement.
  • STK404-090 --: Same SANYO thick-film hybrid audio power amplifier family with comparable 90W-class output, similar supply voltage and pin layout, making it a practical drop-in substitute.
  • STK4036II --: SANYO hybrid audio power IC with similar output power rating and supply requirements; widely used as a replacement in audio amplifier repairs.
  • LM3886TF --: Modern monolithic Class-AB audio power amplifier delivering comparable output power with better reliability and availability, suitable when redesigning around the original hybrid module.

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