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SDH02 from SK

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SDH02

Manufacturer: SK, SANKEN

NPN Darlington With built-in flywheel diode

Partnumber Manufacturer Quantity Availability
SDH02 SK, SANKEN 825 In Stock

Description and Introduction

NPN Darlington With built-in flywheel diode The SDH02 is a power transistor module manufactured by SANKEN. Below are the factual specifications, descriptions, and features from the available knowledge base:  

### **Specifications:**  
- **Type:** NPN Silicon Power Transistor Module  
- **Collector-Emitter Voltage (VCE):** 500V  
- **Collector Current (IC):** 20A  
- **Collector Power Dissipation (PC):** 200W  
- **DC Current Gain (hFE):** 40 (min)  
- **Operating Junction Temperature (Tj):** -40°C to +150°C  
- **Package Type:** Module (TO-3P-like)  

### **Descriptions:**  
- Designed for high-power switching and amplification applications.  
- Suitable for industrial and automotive applications requiring high voltage and current handling.  
- Features a rugged construction for reliable performance in harsh environments.  

### **Features:**  
- High voltage and current capability.  
- Low saturation voltage for efficient switching.  
- Built-in fast recovery diode for improved switching performance.  
- Isolated base design for easy mounting and heat dissipation.  

For exact electrical characteristics and mechanical dimensions, refer to the official SANKEN datasheet.

Application Scenarios & Design Considerations

NPN Darlington With built-in flywheel diode

Alternative Part Number

  • 1N4148 --: Industry-standard small-signal switching diode, widely available and a common functional substitute for general-purpose signal diodes like the SDH02.
  • 1N914 --: Classic small-signal switching diode with similar fast-switching characteristics, suitable as a drop-in functional replacement.
  • BAV99 --: Dual small-signal switching diode in SOT-23, offering comparable switching performance and easy sourcing for signal-level applications.
  • 2SC1815 --: Widely available general-purpose NPN transistor often used as a substitute for small-signal Sanken parts in low-power switching and amplifier circuits.
  • 2N3904 --: Industry-standard NPN small-signal transistor with similar low-power switching characteristics, easy to source and well documented.
  • BC547 --: Common low-noise NPN transistor suitable for general amplification and switching, offering a practical cross-reference for small Sanken signal devices.

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