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1-ch Relay

1 Channel Single Ch Relay Module 5V

  • Electromechanical 1 channel Switch
  • Control voltage: 5V
  • HIGH level active
  • Quiescent current: 2mA
  • Current when the relay is active: ~70mA
  • Relay maximum contact voltage – 250VAC or 30VDC
  • Relay maximum current – 10A
2-ch Relay
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2 Channel Double Ch Relay Module 5V

  • Supply voltage – 3.75V to 6V
  • Trigger current – 5mA
  • Current when relay is active - ~70mA (single), ~140mA (both)
  • Relay maximum contact voltage – 250VAC, 30VDC
  • Relay maximum current – 10A

4 Channel Four Ch Relay Module 5V

  • Supply voltage – 3.75V to 6V
  • Trigger current – 5mA
  • Current when the relay is active - ~70mA (single), ~300mA (all four)
  • Relay maximum contact voltage – 250VAC, 30VDC
  • Relay maximum current – 10A
8-ch Relay

8 Channel Eight Ch Relay Module 5V

  • Supply voltage – 3.75V to 6V
  • Trigger current – 5mA
  • Current when relay is active - ~70mA (single), ~600mA (all eight)
  • Relay maximum contact voltage – 250VAC, 30VDC
  • Relay maximum current – 10A
uln2003

ULN2003 Current Relay Driver IC

  • Contains 7 high-voltage and high current Darlington pairs
  • Each pair is rated for 50V and 500mA
  • Input pins can be triggered by +5V
  • All seven Output pins can be connected to gather to drive loads up to (7×500mA) ~3.5A.
  • Can be directly controlled by logic devices like Digital Gates, Arduino, PIC etc
uln2803

ULN2803 Current Relay Driver IC

  • Maximum voltage allowed between COLLECTOR and EMITTER of  each DARLINGTON TRANSISTOR: 50V
  • Maximum current allowed trough COLLECTOR of each DARLINGTON TRANSISTOR: 500mA
  • Maximum voltage allowed between BASE and EMITTER of  each DARLINGTON TRANSISTOR: 30V
  • Maximum current allowed trough FLYBACK DIODE of each DARLINGTON TRANSISTOR: 500mA
  • Typical Rise Time: 130ns
  • Typical Fall Time: 20us
  • Operating temperature: -65°C  to 150 °C
  • No additional power needed to be applied for chip for making it work
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