Pololu Basic SPDT Relais Bausatz (5VDC)

4,34 EUR

incl. 19 % USt zzgl. Versandkosten

Gewicht: 0.0180 kg

Hersteller: Pololu

Lagerbestand: 0

Nicht auf Lager.

Nicht auf Lager.

Art.Nr.: 2481


Relais Breakout mit einem Omron 5V Relais—Omron G5LE-14-DC5 and G5LE-14-DC12 (1MB pdf). Auf dem Breakout befindet sich ein MosFet Transistor der die Ansteuerung des Relais übernimmt, dadurch lässt sich die Schaltung direkt an einen Mikrocontroller anschließen. Der Status des Relais lässt sich über zwei LEDs einsehen.

Es handelt sich um einen Bausatz mit vor bestücktem SMD Bauteilen.

Advantages over similar products

  • Compact layout
  • Two LEDs to indicate coil actuation
  • Zener diode for fast current decay on relay coil
  • Specification of electrical routing clearance rules on relay switch nodes

Using the relay module

The switch portion of the relay is accessible on one side of the board while the control pins are routed to the other. The relay coil is powered by supplying 5 V or 12 V across the VDD and GND pins (depending on the relay), and it is activated by a digital high control signal on the EN pin. The control signal is fed directly to a BSS138 N-channel MOSFET, which in turn actuates the relay coil when the control voltage exceeds approximately 2.5 V (see BSS138 datasheet (92k pdf) for details).

The relay switch terminals COM (common), NO (normally open), and NC (normally closed) are routed on the PCB with a minimum clearance of 60 mils (1.5 mm) from other copper. The copper traces are designed to be at least 45 mil (1.1 mm) from the board edges, though manufacturing variations in the board edges can make those distances slightly lower.

In most applications, the current and voltage ratings for the module will match the ratings of the relay used. Maximum current, maximum voltage, and life expectancy are interdependent; we therefore recommend careful examination of your relay’s datasheet.

Warning: This product is not designed to or certified for any particular high-voltage safety standard. Working with voltages above 30 V can be extremely dangerous and should only be attempted by qualified individuals with appropriate equipment and protective gear.

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