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SI-8050E from SK

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SI-8050E

Manufacturer: SK, SANKEN

Full-Mold, Separate Excitation Switching Type

Partnumber Manufacturer Quantity Availability
SI-8050E,SI8050E SK, SANKEN 3500 In Stock

Description and Introduction

Full-Mold, Separate Excitation Switching Type The SI-8050E is a PNP transistor manufactured by SANKEN. Below are its specifications, descriptions, and features based on factual information:  

### **Specifications:**  
- **Type:** PNP Bipolar Junction Transistor (BJT)  
- **Collector-Base Voltage (VCBO):** -30V  
- **Collector-Emitter Voltage (VCEO):** -25V  
- **Emitter-Base Voltage (VEBO):** -5V  
- **Collector Current (IC):** -1.5A  
- **Power Dissipation (PC):** 1W  
- **DC Current Gain (hFE):** 120 - 400 (at IC = 0.5A, VCE = -1V)  
- **Transition Frequency (fT):** 150MHz  
- **Operating Temperature Range:** -55°C to +150°C  

### **Descriptions:**  
- The SI-8050E is a general-purpose PNP transistor designed for amplification and switching applications.  
- It is housed in a TO-92 package, making it suitable for compact circuit designs.  
- It is commonly used in audio amplification, signal processing, and low-power switching circuits.  

### **Features:**  
- High current gain (hFE) for improved amplification performance.  
- Low saturation voltage for efficient switching.  
- Suitable for high-frequency applications due to its transition frequency (fT) of 150MHz.  
- Robust construction for reliable operation in various electronic circuits.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Full-Mold, Separate Excitation Switching Type

Alternative Part Number

  • L4960 --: Classic step-down switching regulator in the same power class, widely available and easy to substitute with minor external component changes.
  • LM2576-5 --: Robust 3A step-down regulator with fixed 5V output, very common and well documented as a replacement for Sanken switching regulators.
  • MC34063A --: Versatile DC-DC converter IC usable in step-down configuration, low cost and broadly stocked as a fallback option.
  • LM2596S-5.0 --: Widely available 5V fixed step-down regulator with similar current capability and pin-compatible TO-263 package, easy drop-in replacement.
  • L5973D --: 5V fixed-output buck converter rated up to 2.5A with integrated switch, comparable performance and thermal characteristics.
  • MP1584EN --: Compact 3A step-down converter with adjustable/fixed 5V output, low cost and good efficiency for similar applications.

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