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KSA539 from FAIRCHIL,Fairchild Semiconductor

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KSA539

Manufacturer: FAIRCHIL

PNP Epitaxial Silicon Transistor

Partnumber Manufacturer Quantity Availability
KSA539 FAIRCHIL 1000 In Stock

Description and Introduction

PNP Epitaxial Silicon Transistor The part **KSA539** is a **PNP Bipolar Junction Transistor (BJT)** manufactured by **FAIRCHILD Semiconductor**. Below are its specifications, descriptions, and features based on available data:  

### **Specifications:**  
- **Transistor Type:** PNP  
- **Maximum Collector-Emitter Voltage (VCE):** -60V  
- **Maximum Collector-Base Voltage (VCB):** -80V  
- **Maximum Emitter-Base Voltage (VEB):** -5V  
- **Continuous Collector Current (IC):** -1A  
- **Power Dissipation (PD):** 1W  
- **DC Current Gain (hFE):** 60 to 320 (depending on operating conditions)  
- **Transition Frequency (fT):** 50MHz (typical)  
- **Operating Temperature Range:** -55°C to +150°C  

### **Description:**  
The **KSA539** is a general-purpose PNP transistor designed for amplification and switching applications. It is housed in a **TO-92** package, making it suitable for through-hole PCB mounting.  

### **Features:**  
- **High voltage capability** (up to -60V VCE)  
- **High current gain (hFE)** for improved signal amplification  
- **Low saturation voltage** for efficient switching  
- **Complementary NPN pair:** KSC3503 (for push-pull configurations)  

This information is based on Fairchild Semiconductor's datasheet for the KSA539 transistor.

Application Scenarios & Design Considerations

PNP Epitaxial Silicon Transistor
Partnumber Manufacturer Quantity Availability
KSA539 FAIRCHILD 1000 In Stock

Description and Introduction

PNP Epitaxial Silicon Transistor Here are the factual details about part **KSA539** from the **FAIRCHILD** manufacturer based on available specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Fairchild Semiconductor  
- **Part Number:** KSA539  
- **Transistor Type:** PNP Bipolar Junction Transistor (BJT)  
- **Collector-Base Voltage (VCBO):** -50V  
- **Collector-Emitter Voltage (VCEO):** -50V  
- **Emitter-Base Voltage (VEBO):** -5V  
- **Collector Current (IC):** -500mA (max)  
- **Power Dissipation (PD):** 625mW (max)  
- **DC Current Gain (hFE):** 60-320 (depending on variant)  
- **Transition Frequency (fT):** 100MHz (typical)  
- **Operating Temperature Range:** -55°C to +150°C  

### **Descriptions:**
- The **KSA539** is a general-purpose PNP transistor designed for amplification and switching applications.  
- It is housed in a **TO-92** package, making it suitable for compact circuit designs.  
- This transistor is commonly used in audio amplifiers, signal processing, and low-power switching circuits.  

### **Features:**
- **High current gain (hFE)** for improved signal amplification.  
- **Low saturation voltage**, enhancing efficiency in switching applications.  
- **Wide operating temperature range**, suitable for various environments.  
- **Complementary NPN pair:** Often paired with **KSC3503** for push-pull amplifier circuits.  

For exact performance characteristics, always refer to the **Fairchild datasheet** for the KSA539.

Application Scenarios & Design Considerations

PNP Epitaxial Silicon Transistor

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