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HR1A4M from NEC

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HR1A4M

Manufacturer: NEC

Hybrid transistor
Partnumber Manufacturer Quantity Availability
HR1A4M NEC 4300 In Stock

Description and Introduction

Hybrid transistor The part HR1A4M is manufactured by NEC. It is a high-speed switching diode with the following specifications:  

- **Type**: Switching Diode  
- **Maximum Reverse Voltage (V_R)**: 70V  
- **Average Rectified Current (I_O)**: 1A  
- **Peak Forward Surge Current (I_FSM)**: 30A (non-repetitive)  
- **Forward Voltage (V_F)**: 1V (at 1A)  
- **Reverse Recovery Time (t_rr)**: 4ns  
- **Operating Temperature Range**: -55°C to +150°C  
- **Package**: SOD-123  

These specifications are based on NEC's standard datasheet for the HR1A4M diode.

Application Scenarios & Design Considerations

Hybrid transistor

Alternative Part Number

  • 1N4004 --: Standard 400V 1A rectifier diode, widely available and a common replacement for general-purpose rectifier applications.
  • 1N4005 --: 400V-class 1A rectifier with higher voltage rating, offering extra margin and broad availability.
  • 1N4936 --: Fast-recovery 400V 1A rectifier suitable where switching speed matters, with a different series naming for easy distinction.

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