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KSC3502 from FSC,Fairchild Semiconductor

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KSC3502

Manufacturer: FSC, 仙童, Fairchild

NPN Epitaxial Silicon Transistor

Partnumber Manufacturer Quantity Availability
KSC3502 FSC, 仙童, Fairchild 119280 In Stock

Description and Introduction

NPN Epitaxial Silicon Transistor The part **KSC3502** is a high-voltage NPN transistor manufactured by **Fairchild Semiconductor**.  

### **Specifications:**  
- **Type:** NPN Transistor  
- **Collector-Emitter Voltage (VCE):** 300V  
- **Collector-Base Voltage (VCB):** 300V  
- **Emitter-Base Voltage (VEB):** 5V  
- **Collector Current (IC):** 100mA  
- **Power Dissipation (PD):** 7W  
- **DC Current Gain (hFE):** 30 to 120 (at IC = 10mA, VCE = 10V)  
- **Transition Frequency (fT):** 50MHz  
- **Package:** TO-126  

### **Description:**  
The **KSC3502** is designed for high-voltage applications, such as power supply circuits, CRT displays, and other electronic systems requiring reliable switching and amplification at elevated voltages.  

### **Features:**  
- High breakdown voltage (300V)  
- Medium current capability (100mA)  
- Suitable for switching and linear amplification  
- TO-126 package for easy mounting  

This transistor is commonly used in flyback transformers, horizontal deflection circuits, and other high-voltage electronic applications.

Application Scenarios & Design Considerations

NPN Epitaxial Silicon Transistor

Alternative Part Number

  • 2SC3502 --: Same 2SC-series NPN transistor with comparable voltage and current ratings, widely available and pin-compatible.
  • 2SC1815 --: Common general-purpose NPN transistor with similar small-signal characteristics, suitable for many low-power audio and switching applications.
  • BC337 --: Popular NPN transistor with comparable current gain and voltage ratings, often used as a functional substitute in general switching and amplifier circuits.
  • MJE340 --: NPN high-voltage transistor with comparable Vceo and power ratings, widely available and suitable for similar amplifier and switching applications.
  • 2N5551 --: General-purpose NPN high-voltage transistor with similar voltage and current ratings, commonly used as a functional substitute in low-power circuits.
  • MPSA42 --: High-voltage NPN transistor offering comparable breakdown voltage and gain, commonly used as an alternative in similar applications.

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