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KSP45 from FSC,Fairchild Semiconductor

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KSP45

Manufacturer: FSC, FAIRCHILD

NPN Epitaxial Silicon Transistor

Partnumber Manufacturer Quantity Availability
KSP45 FSC, FAIRCHILD 4809 In Stock

Description and Introduction

NPN Epitaxial Silicon Transistor The KSP45 is a PNP bipolar junction transistor (BJT) manufactured by **FAIRCHILD Semiconductor**.  

### **Specifications:**  
- **Transistor Type:** PNP  
- **Maximum Collector-Emitter Voltage (VCE):** -45V  
- **Maximum Collector-Base Voltage (VCB):** -50V  
- **Maximum Emitter-Base Voltage (VEB):** -5V  
- **Continuous Collector Current (IC):** -150mA  
- **Power Dissipation (PD):** 625mW  
- **DC Current Gain (hFE):** 40 to 250 (depending on operating conditions)  
- **Transition Frequency (fT):** 50MHz  
- **Operating Temperature Range:** -55°C to +150°C  

### **Description:**  
The KSP45 is a general-purpose PNP transistor designed for amplification and switching applications. It is housed in a **TO-92** package, making it suitable for low-power circuits.  

### **Features:**  
- **Low Saturation Voltage**  
- **High Current Gain**  
- **Fast Switching Speed**  
- **Reliable Performance**  

This transistor is commonly used in **audio amplifiers, signal processing, and switching circuits**.  

(Note: Always refer to the official datasheet for precise technical details.)

Application Scenarios & Design Considerations

NPN Epitaxial Silicon Transistor

Alternative Part Number

  • MPSA45 --: NPN high-voltage transistor with similar 350V rating and low current, direct functional equivalent in TO-92.
  • 2N6517 --: NPN high-voltage switching transistor rated 350V, suitable replacement for KSP45 in most circuits.
  • BF820 --: High-voltage NPN transistor with 300V VCEO, close electrical match for low-current high-voltage applications.

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