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HR1A4A from NEC

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HR1A4A

Manufacturer: NEC

Hybrid transistor
Partnumber Manufacturer Quantity Availability
HR1A4A NEC 2400 In Stock

Description and Introduction

Hybrid transistor The part HR1A4A is manufactured by NEC. According to the specifications:  

- **Type**: Relay  
- **Contact Configuration**: 1 Form A (SPST-NO)  
- **Coil Voltage**: 5V DC  
- **Contact Rating**: 2A at 30V DC / 1A at 125V AC  
- **Operate Time**: 3ms max  
- **Release Time**: 1ms max  
- **Insulation Resistance**: 1000MΩ min at 500V DC  
- **Dielectric Strength**: 500V AC for 1 minute  
- **Operating Temperature Range**: -40°C to +85°C  
- **Life Expectancy**: 100,000 operations (mechanical), 10,000 operations (electrical at rated load)  

This information is based on NEC's published specifications for the HR1A4A relay.

Application Scenarios & Design Considerations

Hybrid transistor

Alternative Part Number

  • EC2-4.5NU --: NEC/TOKIN EC2 series 4.5V latching relay in the same family as HR1A4A, direct functional replacement with matching coil voltage and contact configuration.
  • TX2-L-4.5V --: Panasonic TX2 series 4.5V latching signal relay with similar footprint and contact ratings, widely used as a drop-in substitute for NEC HR series relays.
  • G6AK-274P-ST-US-DC4.5 --: Omron G6AK 4.5V latching relay offering comparable contact capacity and coil characteristics, suitable alternative when NEC parts are unavailable.

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