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KSA539-Y from FAIRCHILD,Fairchild Semiconductor

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KSA539-Y

Manufacturer: FAIRCHILD, FSC

Low Frequency Amplifier

Partnumber Manufacturer Quantity Availability
KSA539-Y,KSA539Y FAIRCHILD, FSC 49000 In Stock

Description and Introduction

Low Frequency Amplifier The part **KSA539-Y** is manufactured by **FAIRCHILD**. Below are the specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Type:** PNP Bipolar Junction Transistor (BJT)  
- **Collector-Emitter Voltage (VCE):** -50V  
- **Collector-Base Voltage (VCB):** -60V  
- **Emitter-Base Voltage (VEB):** -5V  
- **Collector Current (IC):** -500mA  
- **Power Dissipation (PD):** 625mW  
- **DC Current Gain (hFE):** 60 to 320 (depending on operating conditions)  
- **Transition Frequency (fT):** 100MHz  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package Type:** TO-92  

### **Descriptions:**  
- The **KSA539-Y** is a general-purpose PNP transistor designed for amplification and switching applications.  
- It is commonly used in audio amplifiers, signal processing circuits, and low-power switching applications.  

### **Features:**  
- High current gain (hFE)  
- Low saturation voltage  
- Fast switching speed  
- Suitable for linear and switching applications  
- TO-92 package for easy mounting  

This information is based solely on the manufacturer's datasheet and specifications.

Application Scenarios & Design Considerations

Low Frequency Amplifier

Alternative Part Number

  • BC337-25 --: NPN general-purpose transistor with similar current and voltage ratings, widely available and often used as a substitute in low-power switching and amplifier circuits.
  • 2N3904 --: Very common NPN small-signal transistor with comparable gain and current capability, suitable for general-purpose amplification and switching applications.
  • 2SC1815-Y --: Japanese NPN audio/small-signal transistor with similar hFE grade and voltage/current ratings, commonly cross-referenced for KSA-series parts.

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