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SMBT3906S from INFINEON

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SMBT3906S

Manufacturer: INFINEON

PNP Silicon Switching Transistor Array

Partnumber Manufacturer Quantity Availability
SMBT3906S INFINEON 3000 In Stock

Description and Introduction

PNP Silicon Switching Transistor Array The SMBT3906S is a PNP bipolar junction transistor (BJT) manufactured by Infineon. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Transistor Type:** PNP  
- **Collector-Emitter Voltage (VCE):** -40V  
- **Collector-Base Voltage (VCB):** -40V  
- **Emitter-Base Voltage (VEB):** -5V  
- **Collector Current (IC):** -200mA  
- **Power Dissipation (Ptot):** 300mW  
- **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 SMBT3906S is a general-purpose PNP transistor in a small SOT-23 surface-mount package.  
- Designed for amplification and switching applications.  
- Suitable for low-power and high-speed circuits.  

### **Features:**  
- High current gain (hFE) for improved efficiency.  
- Low saturation voltage for better switching performance.  
- Compact SOT-23 package for space-constrained designs.  
- RoHS compliant.  

For exact performance characteristics, refer to the official Infineon datasheet.

Application Scenarios & Design Considerations

PNP Silicon Switching Transistor Array

Alternative Part Number

  • MMBT3906 --: Widely available PNP switching transistor with similar 40V/200mA ratings, offered in SOT-23 and commonly used as a drop-in for dual PNP switching applications.
  • BC857BS --: Dual PNP transistor in SOT-363 with 45V/100mA ratings, suitable for low-power switching and signal amplification where the original dual PNP is used.
  • PMBT3906 --: Single PNP 40V/200mA switching transistor in SOT-23, a standard alternative when one half of the dual device is sufficient or when paired devices are used.

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