4channel Relay Board dual signal

4channel Relay Board dual signal

Description

This is 4 channel Relay Board Based on HK19F-5V DC Relay
driven by ULN2003A  that can cope with very low signal to control the relays with very low signal from any micro controllers  work at 5v signals

• 4 Signal RELAY
• Interface definition:
• IN(x): High level. Low level cut-off
• This item has been assembled,
• Led indicator for each relay.
• FR-4 Fiber glass PCB ( Double Layer ).
• PCB thickness: 1.6mm.
• Size: 103 x 50 x 16 mm .
• Power Supply: 5V DC / 90mA (relay all ON).

Input control signal voltage:  

• 0V - 0.5V Low stage (relay is OFF),
• 0.5V – 2.5V (unknown state).
• 2.5V - 5V High state (relay is ON).

Input control signal high state current:

• 2.5V: 0.1mA
• 3.3V: 0.18mA
• 5V: 0.35mA                 

Specifications:
Coil:

• Voltage: 5V DC.
• Current: 8.3mA.
• Resistance: 2880 ohm +-10%.

Contact Rating:

• Contact Resistance: <0.1 ohm.
• Contact Capacity: 125V AC / 1A,  30V DC / 2 A.