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KSR2005 from FSC,Fairchild Semiconductor

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KSR2005

Manufacturer: FSC, Fairchild

PNP (SWITCHING APPLICATION)

Partnumber Manufacturer Quantity Availability
KSR2005 FSC, Fairchild 2696 In Stock

Description and Introduction

PNP (SWITCHING APPLICATION) The part **KSR2005** is manufactured by **FSC (Fairchild Semiconductor Corporation)**. Below are the specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** FSC (Fairchild Semiconductor Corporation)  
- **Part Number:** KSR2005  
- **Type:** NPN Silicon Epitaxial Planar Transistor  
- **Application:** General-purpose amplification and switching  
- **Collector-Emitter Voltage (VCE):** 40V  
- **Collector-Base Voltage (VCB):** 60V  
- **Emitter-Base Voltage (VEB):** 5V  
- **Collector Current (IC):** 600mA  
- **Total Power Dissipation (PD):** 625mW  
- **DC Current Gain (hFE):** 100-300 (at IC = 150mA, VCE = 1V)  
- **Transition Frequency (fT):** 250MHz  
- **Operating Temperature Range:** -55°C to +150°C  

### **Description:**  
The **KSR2005** is an NPN bipolar junction transistor (BJT) designed for general-purpose amplification and switching applications. It is suitable for low-power circuits where moderate voltage and current handling are required.  

### **Features:**  
- High current gain (hFE)  
- Low saturation voltage  
- Fast switching speed  
- Epitaxial planar construction for improved performance  
- Suitable for small-signal amplification and switching  

This information is based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

PNP (SWITCHING APPLICATION)

Alternative Part Number

  • 2N3904 --: General-purpose NPN transistor in TO-92, widely available and commonly used as a substitute for small-signal NPN parts like the KSR2005.
  • BC547 --: Low-noise NPN transistor with similar small-signal switching characteristics, pin-compatible in TO-92 and easy to source.
  • MMBT3904 --: SMD version of the 2N3904 with comparable NPN switching performance, suitable when a surface-mount alternative is acceptable.

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