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KST56MTF from FAI,Fairchild Semiconductor

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KST56MTF

Manufacturer: FAI, FAIRCHILD, FAIRCHILD

PNP Epitaxial Silicon Transistor

Partnumber Manufacturer Quantity Availability
KST56MTF FAI, FAIRCHILD, FAIRCHILD 15000 In Stock

Description and Introduction

PNP Epitaxial Silicon Transistor The KST56MTF is a semiconductor component manufactured by Fairchild Semiconductor. Below are the specifications, descriptions, and features based on available factual information:  

### **Specifications:**  
- **Manufacturer:** Fairchild Semiconductor  
- **Part Number:** KST56MTF  
- **Type:** NPN Bipolar Junction Transistor (BJT)  
- **Package:** SOT-23 (Surface Mount)  
- **Collector-Emitter Voltage (VCEO):** 60V  
- **Collector-Base Voltage (VCBO):** 60V  
- **Emitter-Base Voltage (VEBO):** 5V  
- **Collector Current (IC):** 500mA  
- **Power Dissipation (PD):** 350mW  
- **DC Current Gain (hFE):** 100–300 (at IC = 10mA, VCE = 1V)  
- **Transition Frequency (fT):** 250MHz  
- **Operating Temperature Range:** -55°C to +150°C  

### **Descriptions:**  
The KST56MTF is a high-voltage NPN transistor in a compact SOT-23 package, designed for general-purpose amplification and switching applications. It is suitable for low-power circuits requiring fast switching speeds and moderate current handling.  

### **Features:**  
- High voltage capability (VCEO = 60V)  
- High current gain (hFE) with good linearity  
- Low saturation voltage for efficient switching  
- Compact SOT-23 package for space-constrained designs  
- Suitable for high-frequency applications (fT = 250MHz)  

This information is based on Fairchild Semiconductor's datasheet for the KST56MTF. For exact performance characteristics, refer to the official documentation.

Application Scenarios & Design Considerations

PNP Epitaxial Silicon Transistor

Alternative Part Number

  • MMBT4403 --: PNP general-purpose transistor in SOT-23 with similar current and voltage ratings, widely available and pin-compatible.
  • BC807-40 --: SOT-23 PNP transistor with comparable gain and current capability, a common drop-in substitute.
  • 2SA1037AK --: SOT-23 PNP transistor offering similar electrical characteristics and package compatibility.
  • 2SA2018 --: SOT-23 PNP small-signal transistor with similar electrical characteristics, suitable as an alternative.
  • BC857B --: PNP transistor in SOT-23 with similar current gain and voltage ratings, a common drop-in replacement for general switching applications.

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