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HFD31 DPDT 5V 1A SMD Relay Datasheet

HFD31-05-SMD - DPDT 5V 1A SMD Relay


arrowLow Profile Type

arrowEasy PCB Mounting

arrowEconomically Priced

arrowStandard Size, Replaces Similar Types

arrowRoHS Compliant

Circuit Diagram
HFD31-05-SMD - DPDT 5V 1A SMD Relay Circuit Diagram

Pin Layout
HFD31-05-SMD - DPDT 5V 1A SMD Relay Pin Layout


Coil Data

  • Coil Power: 140mW
  • Nominal Voltage: 5Vdc
  • Pick-Up Voltage: 3.75Vdc
  • Drop-Out Voltage: 0.5Vdc
  • Maximum Voltage: 7.5Vdc
  • Coil Resistance: 178ohm

Contact Data

  • Contact Rating: 0.5A 125Vac / 1A 30Vdc
  • Maximum Switching Voltage: 125Vac / 110Vdc
  • Maximum Switching Current: 1 A
  • Maximum Switching Power: 62.5VA / 30W
  • Mechanical Endurance: 10,000,000 Operations
  • Electrical Endurance: 100,000 Operations (NO Contact)
  • Maximum Turn-On Time: 3 ms
  • Maximum Turn-Off Time: 3 ms


  • Dielectric Strength (Between Contacts): 1000 VAC 1 min
  • Insulation Resistance: 1000 Mohm@500 VDC
  • Ambient Operating Temperature Range: -40°C to +70°C
  • Weight: 1.5g
  • Termination: PCB Pin Mounting
  • RoHS Compliant: Yes

HFD31-05-SMD - DPDT 5V 1A SMD Relay Dimensions

Datasheet - HFD31-05-SMD Relay Datasheet