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STK731B from SANYO

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STK731B

Manufacturer: SANYO, STK

12V Single Output MOS Chopper Regulator
Partnumber Manufacturer Quantity Availability
STK731B SANYO, STK 5685 In Stock

Description and Introduction

12V Single Output MOS Chopper Regulator The STK731B is a hybrid IC (integrated circuit) manufactured by SANYO. It is designed for use in audio amplifier applications, particularly in power amplifier stages.  

### **Specifications:**  
- **Manufacturer:** SANYO  
- **Type:** Hybrid IC (Thick Film)  
- **Function:** Audio Power Amplifier  
- **Package:** SIP (Single In-line Package)  
- **Operating Voltage:** Typically operates at high voltages (exact range may vary based on application)  
- **Output Power:** Designed for medium to high power amplification (specific wattage depends on circuit configuration)  
- **Thermal Resistance:** Designed with heat dissipation in mind (exact value may vary)  

### **Descriptions and Features:**  
- The STK731B is a monolithic hybrid IC optimized for audio amplification.  
- It integrates multiple amplifier stages into a single package for compact design.  
- Suitable for use in stereo systems, home audio amplifiers, and other audio applications.  
- Features built-in thermal protection to prevent overheating.  
- Provides stable performance with low distortion.  

For exact electrical characteristics and application circuits, refer to the official SANYO datasheet.

Application Scenarios & Design Considerations

12V Single Output MOS Chopper Regulator

Alternative Part Number

  • LA7838 --: Vertical deflection output IC in the same application class as the STK731B, widely used as a drop-in replacement in CRT TV vertical stages.
  • TDA8172 --: Vertical deflection power amplifier IC functionally equivalent to the STK731B, commonly substituted in television vertical output circuits.
  • AN5521 --: Vertical deflection output IC with comparable ratings and pin function, frequently used as an alternative to STK-series vertical driver devices.
  • STK730B --: Same STK730/731 series hybrid regulator with nearly identical pinout and ratings, commonly used as a direct substitute.
  • STR730B --: Sanken hybrid voltage regulator in the same application class, electrically compatible with the STK731B in many power supply circuits.
  • STK732B --: Closely related STK73x series regulator with similar voltage/current ratings, usable with minor circuit verification.

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