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  • HFD4/5 Signal Relay – DPDT 2A/250V, 5V Coil, 3ms Switching DIP-8 Industrial Grade
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HFD4/5 Signal Relay – DPDT 2A/250V, 5V Coil, 3ms Switching DIP-8 Industrial Grade

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About the Product

Ultra-Compact Power Relay for Precision Automation & Control Circuits

The HFD4/5 is a high-speed DPDT signal relay engineered for industrial automation and control systems. With its 2A/250V switching capacity and ultra-fast 3ms response time, this compact relay delivers precise circuit control in space-constrained applications.

3ms Response Time & 2.5kV Isolation – Reliable Switching for Sensitive Electronics

  • DPDT (2 Form C) contacts – controls two independent circuits simultaneously
  • 5VDC coil (178Ω) – low 140mW power consumption for energy-efficient designs
  • AgPd/Au contacts – ensures long lifespan (>100,000 cycles) in high-frequency switching
  • 2.5kV coil-contact isolation – prevents leakage in sensitive measurement circuits
  • -40°C to +85°C operation – reliable performance in harsh environments

Why Engineers Specify This Relay

  • Space-Saving Design: 10×6.5mm DIP-8 package fits PLC I/O modules, test equipment, and HVAC controls
  • Medical/Industrial Ready: Closed construction resists dust in patient monitors and factory automation
  • Simplified Integration: Standard DIP footprint works with existing PCB layouts

Typical Applications:

  • Circuit isolation in CNC machine control panels
  • Safety interlocking for industrial robotics
  • Mode switching in medical diagnostic equipment
  • Power routing for telecom base station modules

HFD4/5 Signal Relay Specifications Table

Parameter Specification
Contact Configuration DPDT (2 Form C)
Contact Rating 2A @ 250VAC/220VDC
Coil Voltage 5VDC (178Ω)
Switching Time 3ms (typical)
Isolation Voltage 2.5kV (coil-contact)
Operating Temperature -40°C to +85°C
Package DIP-8 (10×6.5mm)

International Customers Please Note:

This product ships from China. Please be aware that your order may be subject to import taxes, customs duties, and fees levied by the destination country once the shipment arrives. These charges are the customer's responsibility and are not included in the product price or shipping cost. We are unable to predict what these fees may be, as they vary by country.

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