Size: 14 pin full size Industry standard Wide frequency range Low cost Tri-state enable/disable Resistance weld package 3.3 V Compliant to RoHS Directive 2002/95/EC Halogen-free according to IEC 61249-2-21 definition
The XO-543 series is with 3.3 V power supply. The metal package with pin 7 case ground acts as shielding to minimize EMI radiation.