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KST5401MTF from FAI,Fairchild Semiconductor

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KST5401MTF

Manufacturer: FAI, FAIRCHILD

PNP Epitaxial Silicon Transistor
Partnumber Manufacturer Quantity Availability
KST5401MTF FAI, FAIRCHILD 9000 In Stock

Description and Introduction

PNP Epitaxial Silicon Transistor **Part Number:** KST5401MTF  
**Manufacturer:** FAIRCHILD  

### **Specifications:**  
- **Transistor Type:** PNP Bipolar Junction Transistor (BJT)  
- **Collector-Emitter Voltage (VCEO):** -160V  
- **Collector-Base Voltage (VCBO):** -160V  
- **Emitter-Base Voltage (VEBO):** -5V  
- **Collector Current (IC):** -600mA  
- **Power Dissipation (PD):** 625mW  
- **DC Current Gain (hFE):** 40 to 320 (at IC = -10mA, VCE = -1V)  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package Type:** SOT-23 (Surface Mount)  

### **Descriptions:**  
- The KST5401MTF is a PNP bipolar transistor designed for general-purpose amplification and switching applications.  
- It is suitable for low-power applications where high voltage and current handling are required.  

### **Features:**  
- High voltage capability (VCEO = -160V)  
- Low saturation voltage  
- Complementary NPN type available (KST5551)  
- Small SOT-23 package for space-constrained designs  
- RoHS compliant  

This transistor is commonly used in power management, signal amplification, and switching circuits.

Application Scenarios & Design Considerations

PNP Epitaxial Silicon Transistor

Alternative Part Number

  • MMBT5401LT1G --: PNP transistor with the same 5401 type and similar SOT-23 package, widely available and electrically equivalent.
  • BC807-40LT1G --: General-purpose PNP transistor in SOT-23 with comparable voltage and current ratings, suitable as a functional substitute.
  • 2SA1037AKT146R --: PNP small-signal transistor in SOT-23 with similar ratings, a viable alternative from a different series.
  • MMBT5401 --: PNP transistor with the same 5401 type and similar voltage/current ratings, widely available SOT-23 alternative.
  • BC857B --: Common PNP SOT-23 transistor suitable for general switching and amplification, different series and easy to source.
  • 2N5401 --: Classic PNP high-voltage transistor equivalent to the 5401 family, available in through-hole form for replacement use.

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