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STK4843 from SANYO

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STK4843

Manufacturer: SANYO, SanKen

2-Channel 10 To 50W Min AF Power AMP(Dual Supply)

Partnumber Manufacturer Quantity Availability
STK4843 SANYO, SanKen 81 In Stock

Description and Introduction

2-Channel 10 To 50W Min AF Power AMP(Dual Supply) The STK4843 is a hybrid IC (thick-film hybrid IC) manufactured by SANYO (now part of ON Semiconductor). Below are its key specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Type:** Audio Power Amplifier IC (Hybrid)  
- **Output Power:** 50W (per channel, typical at specified conditions)  
- **Operating Voltage:** Typically ±35V (dual power supply)  
- **Number of Channels:** 2 (Stereo)  
- **Package:** SIP (Single In-line Package)  
- **THD (Total Harmonic Distortion):** Low distortion (exact value depends on operating conditions)  
- **Load Impedance:** Typically 4Ω or 8Ω  

### **Descriptions:**
- The STK4843 is a high-performance stereo power amplifier IC designed for audio applications.  
- It integrates multiple amplifier stages into a single hybrid module, reducing external component count.  
- Suitable for use in stereo amplifiers, home audio systems, and other audio equipment.  

### **Features:**
- **High Power Output:** Capable of delivering up to 50W per channel.  
- **Built-in Thermal Protection:** Includes safeguards against overheating.  
- **Low Noise:** Designed for minimal noise interference in audio signals.  
- **Compact Design:** SIP package allows for space-efficient PCB mounting.  
- **Wide Operating Voltage Range:** Supports dual power supply configurations.  

For exact application details, refer to the official datasheet from SANYO/ON Semiconductor.

Application Scenarios & Design Considerations

2-Channel 10 To 50W Min AF Power AMP(Dual Supply)

Alternative Part Number

  • LM3886TF --: Popular high-power audio amplifier IC in the same class as the STK4843 hybrid module; widely available and well documented as a replacement in audio power stages.
  • TDA7294 --: DMOS audio power amplifier with comparable output power and supply range, commonly used to replace Sanyo STK-series hybrid audio modules.
  • STK404-130 --: Alternative Sanyo thick-film hybrid audio power amplifier from a different STK sub-series with similar voltage and power ratings, suitable as a functional substitute.
  • LM3886 --: High-performance audio power amplifier IC with similar power output and voltage ratings, well-documented and readily available alternative for STK-based designs.

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