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KSA642 from Fairchild,Fairchild Semiconductor

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KSA642

Manufacturer: Fairchild

PNP Epitaxial Silicon Transistor

Partnumber Manufacturer Quantity Availability
KSA642 Fairchild 85 In Stock

Description and Introduction

PNP Epitaxial Silicon Transistor Here is the factual information about **part KSA642 manufacturer Fairchild** specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** Fairchild Semiconductor  
- **Part Number:** KSA642  
- **Transistor Type:** PNP Bipolar Junction Transistor (BJT)  
- **Collector-Base Voltage (VCBO):** -60V  
- **Collector-Emitter Voltage (VCEO):** -50V  
- **Emitter-Base Voltage (VEBO):** -5V  
- **Collector Current (IC):** -500mA  
- **Power Dissipation (PD):** 625mW  
- **DC Current Gain (hFE):** 100 to 320 (at IC = 10mA, VCE = -5V)  
- **Transition Frequency (fT):** 200MHz (Typical)  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package Type:** TO-92  

### **Description:**  
The **KSA642** is a high-voltage, high-speed PNP transistor designed for general-purpose amplification and switching applications. It is commonly used in audio amplifiers, signal processing circuits, and driver stages.  

### **Features:**  
- High current gain (hFE) range  
- Low saturation voltage  
- High-speed switching capability  
- Suitable for low-noise amplifier applications  
- Compact TO-92 package for easy PCB mounting  

This information is based on Fairchild Semiconductor's datasheet for the KSA642 transistor.

Application Scenarios & Design Considerations

PNP Epitaxial Silicon Transistor
Partnumber Manufacturer Quantity Availability
KSA642 SAMSUNG 6000 In Stock

Description and Introduction

PNP Epitaxial Silicon Transistor Here is the factual information about the part **KSA642** from the manufacturer **SAMSUNG**:  

### **Specifications:**  
- **Manufacturer:** SAMSUNG  
- **Part Number:** KSA642  
- **Type:** PNP Epitaxial Silicon Transistor  
- **Collector-Emitter Voltage (VCEO):** -30V  
- **Collector-Base Voltage (VCBO):** -30V  
- **Emitter-Base Voltage (VEBO):** -5V  
- **Collector Current (IC):** -500mA  
- **Power Dissipation (PD):** 625mW  
- **DC Current Gain (hFE):** 100 ~ 320 (at IC = -100mA, VCE = -1V)  
- **Transition Frequency (fT):** 150MHz  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** TO-92  

### **Descriptions:**  
- The **KSA642** is a general-purpose PNP bipolar junction transistor (BJT) designed for amplification and switching applications.  
- It is suitable for low-power circuits and is commonly used in audio amplifiers, signal processing, and driver stages.  

### **Features:**  
- High current gain (hFE) range  
- Low saturation voltage  
- High transition frequency for improved high-frequency performance  
- Compact TO-92 package for easy PCB mounting  

This information is based on the manufacturer's datasheet and technical documentation. Let me know if you need further details.

Application Scenarios & Design Considerations

PNP Epitaxial Silicon Transistor

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