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KST3906MTF from FAIRCHILD

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KST3906MTF

Manufacturer: FAIRCHILD

PNP Epitaxial Silicon Transistor

Partnumber Manufacturer Quantity Availability
KST3906MTF FAIRCHILD 9000 In Stock

Description and Introduction

PNP Epitaxial Silicon Transistor The KST3906MTF is a PNP bipolar junction transistor (BJT) manufactured by Fairchild Semiconductor (now part of ON Semiconductor). Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Transistor Type:** PNP  
- **Maximum Collector-Base Voltage (VCB):** -40V  
- **Maximum Collector-Emitter Voltage (VCE):** -40V  
- **Maximum Emitter-Base Voltage (VEB):** -5V  
- **Continuous Collector Current (IC):** -200mA  
- **Total 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  
- **Package Type:** SOT-23 (Surface Mount)  

### **Descriptions:**  
- The KST3906MTF is a general-purpose PNP transistor designed for amplification and switching applications.  
- It is a complementary pair to the NPN KST3904MTF.  
- Suitable for low-power applications in consumer electronics, signal processing, and driver circuits.  

### **Features:**  
- High current gain (hFE) for improved amplification.  
- Low noise performance.  
- Fast switching speed.  
- Compact SOT-23 package for space-constrained designs.  
- RoHS compliant.  

For detailed electrical characteristics and application notes, refer to the official Fairchild/ON Semiconductor datasheet.

Application Scenarios & Design Considerations

PNP Epitaxial Silicon Transistor

Alternative Part Number

  • MMBT3906 --: PNP general-purpose transistor with the same 3906 electrical characteristics in SOT-23, a widely available industry-standard equivalent.
  • 2N3906 --: Classic PNP 3906 transistor with matching voltage and current ratings, usable in through-hole or adapted layouts.
  • BC857 --: PNP transistor in SOT-23 with comparable small-signal ratings, suitable as a functional substitute in most circuits.
  • BC807-40 --: PNP transistor in SOT-23 with 45V/500mA ratings, a suitable higher-current substitute for general switching applications.

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