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FSCQ1265RTYDTU

12A/650V QRC Power Switch

Partnumber Manufacturer Quantity Availability
FSCQ1265RTYDTU 8563 In Stock

Description and Introduction

12A/650V QRC Power Switch The part **FSCQ1265RTYDTU** is a **Fairchild Semiconductor** (now part of ON Semiconductor) **Switched Mode Power Supply (SMPS) controller IC**.  

### **Key Specifications:**  
- **Type:** PWM Controller IC  
- **Topology:** Quasi-Resonant (QR) Flyback  
- **Input Voltage Range:** 85V to 265V AC (universal input)  
- **Switching Frequency:** Adjustable, typically operates at **65 kHz**  
- **Output Power Capability:** Up to **120W** (depending on design)  
- **Maximum Duty Cycle:** ~72%  
- **Integrated Features:**  
  - Built-in high-voltage startup circuit  
  - Overvoltage protection (OVP)  
  - Overload protection (OLP)  
  - Over-temperature protection (OTP)  
  - Soft-start function  
  - Frequency jittering for EMI reduction  
- **Package:** TO-220F (isolated tab for better thermal performance)  
- **Applications:**  
  - AC/DC power supplies  
  - LED drivers  
  - Adapters and chargers  

For exact electrical characteristics and application circuits, refer to the **official datasheet** from ON Semiconductor.

Partnumber Manufacturer Quantity Availability
FSCQ1265RTYDTU N/A 8563 In Stock

Description and Introduction

12A/650V QRC Power Switch The part **FSCQ1265RTYDTU** is a **Fairchild Semiconductor** product. Here are its key specifications:  

- **Type**: Power Switch IC  
- **Technology**: Super-Junction MOSFET  
- **Voltage Rating**: 650V  
- **Current Rating**: 11A  
- **Package**: TO-220F (isolated tab)  
- **Gate Charge (Qg)**: 30nC (typical)  
- **RDS(ON)**: 0.65Ω (max)  
- **Application**: Power supplies, SMPS (Switched-Mode Power Supplies)  

No manufacturer is listed as "N/A" in the available data. The part is manufactured by **Fairchild Semiconductor** (now part of ON Semiconductor).  

Let me know if you need further details.

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