The ECS-SR-B Series SMD ceramic resonator includes.
ECS-SR-A - SMD Ceramic Resonator
The ECS-SR-A Series SMD ceramic resonator is an excellent low cost frequency control solution when absolute frequency accuracy is not important. ECS-.ECS-SR-B - SMD Ceramic Resonator
The ECS-SR-B Series SMD ceramic resonator includes built in capacitors for reduced component count. The SMD Ceramic resonator is an excellent low cost.