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STK405-030

Manufacturer: SK, Sanken

2ch AF Power Amplifier (Split Power Supply) 20W + 20 W min, THD =10%

Partnumber Manufacturer Quantity Availability
STK405-030,STK405030 SK, Sanken 359 In Stock

Description and Introduction

2ch AF Power Amplifier (Split Power Supply) 20W + 20 W min, THD =10% The STK405-030 is a hybrid IC (Integrated Circuit) power amplifier module manufactured by Sanyo (now part of Panasonic). Below are the factual specifications, descriptions, and features based on available knowledge:

### **Specifications:**  
- **Type:** Hybrid IC (Thick-film)  
- **Function:** Audio Power Amplifier  
- **Output Power:** 30W (typical, depends on configuration)  
- **Supply Voltage Range:** ±25V to ±35V (dual supply)  
- **Load Impedance:** 4Ω or 8Ω  
- **Total Harmonic Distortion (THD):** Low (typically <0.5%)  
- **Frequency Response:** 20Hz - 20kHz (typical)  
- **Package Type:** SIP (Single In-line Package) with heat sink mounting  

### **Descriptions:**  
- Designed for high-fidelity audio amplification in stereo systems.  
- Includes built-in thermal protection and short-circuit protection.  
- Commonly used in home audio amplifiers and professional audio equipment.  

### **Features:**  
- **High Power Output:** Capable of delivering up to 30W per channel.  
- **Low Noise:** Optimized for clean audio signal amplification.  
- **Thermal Protection:** Prevents overheating damage.  
- **Compact Design:** SIP package with integrated heat dissipation.  

For exact performance details, refer to the official datasheet from Sanyo/Panasonic.

Application Scenarios & Design Considerations

2ch AF Power Amplifier (Split Power Supply) 20W + 20 W min, THD =10%

Alternative Part Number

  • STK403-030 --: Same STK40x series audio power amplifier with comparable output rating and pinout, widely used as a direct substitute.
  • STK404-030 --: Similar STK40x series amplifier IC with matching supply voltage and output power class, suitable replacement with minor heatsink check.
  • LM3886TF --: Modern high-power audio amplifier IC that can replace the STK405-030 in many designs with equivalent output power and improved reliability.
  • STK4036II --: Similar STK series audio power amplifier IC with comparable supply voltage and output power, suitable for replacement in audio equipment.
  • TDA7294 --: Popular DMOS audio power amplifier IC offering similar output power range; requires minor circuit adaptation but is a reliable functional alternative.
  • STK4040II --: Sanken hybrid audio power amplifier IC with similar pinout and power rating, widely accepted as a replacement for STK405 series devices.

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