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STK401-120 from SANYO

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STK401-120

Manufacturer: SANYO

AF Power Amplifier (Split Power Supply) (40 W + 40 W + 40W min, THD = 0.4%)

Partnumber Manufacturer Quantity Availability
STK401-120,STK401120 SANYO 227 In Stock

Description and Introduction

AF Power Amplifier (Split Power Supply) (40 W + 40 W + 40W min, THD = 0.4%) The STK401-120 is a hybrid IC (Integrated Circuit) power amplifier module manufactured by Sanyo. Here are its key specifications, descriptions, and features:

### **Specifications:**  
- **Type:** Hybrid IC (Thick Film)  
- **Function:** Audio Power Amplifier  
- **Output Power:** 120W (typically at 8Ω, ±45V supply)  
- **Supply Voltage Range:** ±30V to ±50V (recommended)  
- **Total Harmonic Distortion (THD):** Typically 0.08% (at 1kHz, 60W, 8Ω)  
- **Frequency Response:** 20Hz–20kHz (±1dB)  
- **Input Impedance:** 50kΩ  
- **Gain:** 30dB (fixed)  
- **Package:** SIP (Single In-line Package) with 10 pins  
- **Operating Temperature Range:** -20°C to +85°C  

### **Descriptions:**  
- Designed for high-fidelity audio amplification in stereo systems.  
- Includes built-in thermal protection and overcurrent protection.  
- Features a thick-film hybrid construction for reliability.  

### **Features:**  
- **High Power Output:** Capable of delivering 120W into an 8Ω load.  
- **Low Distortion:** Ensures clean audio reproduction.  
- **Built-in Protections:** Thermal shutdown and short-circuit protection.  
- **Compact Design:** SIP package for easy PCB mounting.  
- **Wide Supply Voltage Range:** Supports flexible power supply configurations.  

This module is commonly used in audio amplifiers, home stereo systems, and professional audio equipment.

Application Scenarios & Design Considerations

AF Power Amplifier (Split Power Supply) (40 W + 40 W + 40W min, THD = 0.4%)

Alternative Part Number

  • LM3886TF --: Popular single-chip audio power amplifier in the same output power class, widely available and well documented as a replacement for Sanyo STK hybrid modules in audio designs.
  • TDA7294 --: DMOS audio power amplifier IC with comparable supply voltage and output power range, commonly used to replace STK-series hybrid amplifier modules.
  • STK404-120 --: Different STK series (404 vs 401) hybrid audio amplifier module with similar voltage and power ratings, offering a closer pin/function match than discrete ICs.
  • STK4036II --: Same Sanyo thick-film hybrid audio power amplifier family with comparable output power and supply voltage, widely used as a substitute in audio equipment.
  • STK4040II --: Similar hybrid audio power amplifier IC with slightly higher output rating, pin-compatible layout in the same STK series and commonly used for replacement.

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