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STR-A6251M from SK

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15.625ms

STR-A6251M

Manufacturer: SK

Universal-Input/15 W 67 kHz Flyback Switching Regulator

Partnumber Manufacturer Quantity Availability
STR-A6251M,STRA6251M SK 2000 In Stock

Description and Introduction

Universal-Input/15 W 67 kHz Flyback Switching Regulator The STR-A6251M is a power supply control IC manufactured by Sanken (SK). Here are the specifications, descriptions, and features based on the available knowledge:  

### **Specifications:**  
- **Input Voltage Range:** 85V to 265V AC  
- **Output Power:** Up to 15W (depending on design)  
- **Switching Frequency:** ~50kHz (fixed)  
- **Standby Power Consumption:** <100mW  
- **Operating Temperature Range:** -40°C to +105°C  
- **Package Type:** TO-92 (3-pin)  

### **Descriptions:**  
- The STR-A6251M is a high-voltage startup and control IC designed for offline switching power supplies.  
- It integrates a high-voltage MOSFET and PWM controller, reducing external component count.  
- Suitable for low-power applications such as adapters, chargers, and auxiliary power supplies.  

### **Features:**  
- **Built-in High-Voltage MOSFET:** Simplifies design by eliminating the need for an external switching transistor.  
- **Auto-Restart Protection:** Includes overcurrent, overvoltage, and thermal shutdown protection.  
- **Low Standby Power:** Optimized for energy-efficient applications.  
- **Fixed Frequency Operation:** Ensures stable switching performance.  
- **Soft-Start Function:** Reduces inrush current during startup.  

For detailed application notes or exact performance characteristics, refer to the official Sanken datasheet.

Partnumber Manufacturer Quantity Availability
STR-A6251M,STRA6251M SANKEN 5000 In Stock

Description and Introduction

Universal-Input/15 W 67 kHz Flyback Switching Regulator **Manufacturer:** SANKEN  

**Part Number:** STR-A6251M  

**Specifications:**  
- **Type:** Switching Power Supply IC  
- **Package:** TO-220F-5L (isolated type)  
- **Input Voltage Range:** 85V to 265V AC  
- **Output Power:** Up to 15W (depending on design)  
- **Switching Frequency:** Fixed (typically around 60kHz)  
- **Standby Power Consumption:** Low (typically <100mW)  
- **Protection Features:** Overcurrent protection (OCP), overvoltage protection (OVP), thermal shutdown (TSD)  

**Descriptions:**  
The STR-A6251M is a power supply IC designed for offline switching power supplies. It integrates a high-voltage MOSFET and control circuitry, making it suitable for compact and efficient power supply designs.  

**Features:**  
- Built-in high-voltage startup circuit  
- Auto-restart function for fault protection  
- Frequency jittering for reduced EMI  
- Low standby power consumption  
- Isolated package for improved safety  

This IC is commonly used in adapters, LED drivers, and auxiliary power supplies.

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