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SI-3091N from SANKEN

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SI-3091N

Manufacturer: SANKEN, SK/Sanken

3-Terminal, Full-Mold, Low Dropout Voltage Dropper Type

Partnumber Manufacturer Quantity Availability
SI-3091N,SI3091N SANKEN, SK/Sanken 222 In Stock

Description and Introduction

3-Terminal, Full-Mold, Low Dropout Voltage Dropper Type Here are the factual details about the part SI-3091N from the manufacturer SK/Sanken:

### **Specifications:**
- **Part Number:** SI-3091N  
- **Manufacturer:** SK/Sanken  
- **Type:** Silicon NPN Power Transistor  
- **Collector-Emitter Voltage (VCEO):** 900V  
- **Collector Current (IC):** 8A  
- **Power Dissipation (PD):** 100W  
- **DC Current Gain (hFE):** 15 (min)  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package Type:** TO-3P  

### **Descriptions:**
- The SI-3091N is a high-voltage NPN power transistor designed for switching and amplification applications.  
- It is suitable for use in power supplies, inverters, and other high-voltage circuits.  

### **Features:**
- High collector-emitter voltage (900V)  
- High current capability (8A)  
- Low saturation voltage  
- High-speed switching performance  
- Robust TO-3P package for efficient heat dissipation  

For exact performance characteristics, refer to the official datasheet from SK/Sanken.

Application Scenarios & Design Considerations

3-Terminal, Full-Mold, Low Dropout Voltage Dropper Type

Alternative Part Number

  • L4960 --: Step-down switching regulator in a similar power class, widely available and often used as a substitute in power supply designs.
  • LM2596S-ADJ --: Adjustable buck regulator with comparable current capability and simple external component requirements, suitable for similar applications.
  • MC34063A --: Versatile DC-DC switching regulator IC commonly used as a functional replacement in step-down/step-up converter circuits.
  • LNK304PN --: Offline switcher IC in a different series that can serve as a functional substitute in many low-power SMPS designs, with integrated MOSFET and simple buck topology.
  • VIPER12A --: Widely available offline PWM controller with integrated power switch, commonly used as a cross-reference replacement for Sanken switching regulator ICs in small power supplies.
  • TNY274PN --: TinySwitch family offline switcher offering comparable low-power regulation function, useful as an alternative when the original Sanken device is unavailable.

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