EFO-P4004E5CER RESONATOR 4.00MHZ SMD|PANASONIC ELECTRONIC COMPONENTS|Lead free|RoHS Compliant ECS-SR1-4.00-A-TR EFO-P4004E5CER RESONATOR 4.00MHZ SMD|PANASONIC ELECTRONIC COMPONENTS (VA)|Lead free|RoHS Compliant ECS-SR1-4.00-A-TR