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KSC3503DS from FAIRCHILD,Fairchild Semiconductor

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KSC3503DS

Manufacturer: FAIRCHILD, FSC

NPN Epitaxial Silicon Transistor

Partnumber Manufacturer Quantity Availability
KSC3503DS FAIRCHILD, FSC 8405 In Stock

Description and Introduction

NPN Epitaxial Silicon Transistor The KSC3503DS is a high-voltage NPN transistor manufactured by Fairchild Semiconductor. Below are its specifications, descriptions, and features based on factual information:  

### **Specifications:**  
- **Transistor Type:** NPN  
- **Voltage Ratings:**  
  - **Collector-Base Voltage (VCB):** 300V  
  - **Collector-Emitter Voltage (VCE):** 300V  
  - **Emitter-Base Voltage (VEB):** 5V  
- **Current Ratings:**  
  - **Collector Current (IC):** 100mA  
  - **Base Current (IB):** 50mA  
- **Power Dissipation (PD):** 1.5W  
- **DC Current Gain (hFE):** 60 to 320 (at IC = 10mA, VCE = 10V)  
- **Transition Frequency (fT):** 50MHz  
- **Operating Temperature Range:** -55°C to +150°C  

### **Description:**  
The KSC3503DS is a high-voltage NPN bipolar junction transistor (BJT) designed for applications requiring high breakdown voltage and medium power handling. It is commonly used in power switching, amplification, and high-voltage circuits.  

### **Features:**  
- High breakdown voltage (300V)  
- Medium power dissipation (1.5W)  
- High DC current gain (hFE) range  
- Suitable for switching and amplification in high-voltage circuits  
- TO-126 package (similar to TO-220 but with lower power handling)  

This information is based on Fairchild Semiconductor's datasheet for the KSC3503DS.

Application Scenarios & Design Considerations

NPN Epitaxial Silicon Transistor

Alternative Part Number

  • 2SC3503 --: Same high-voltage NPN transistor family with comparable Vceo and current ratings, widely used as a direct substitute in audio and video driver stages.
  • MJE340 --: High-voltage NPN transistor with similar voltage and current capability, commonly used as an alternative in driver and amplifier circuits.
  • 2N5551 --: High-voltage NPN transistor with adequate Vceo and current rating, suitable for low-power driver applications as a functional replacement.
  • 2SC4793 --: High-voltage, high-current NPN transistor commonly used as an alternative in audio driver stages; verify pinout and thermal ratings for the specific circuit.

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