Specification AgeRangeDescription : big_kid Brand : AmAir BulletPoint : Package contents:HC-49S (20pieces) BulletPoint1 : Quartz crystal oscillator frequency: the quartz resonator crystal oscillator designed for use in the oscillating circuits BulletPoint2 : Crystal oscillator: professional and practical design with beautiful appearance, easy to carry and use BulletPoint3 : Quartz resonator: the third pin (if present, typically the center pin) is connected to ground BulletPoint4 : Air conditionee: widely used in timing circuitry, such as tv, automotive electronic devices, telephones, copiers, cameras, voice synthesizers, communication equipment, remote controls and toys BulletPoint5 : Quartz crystal oscillator: the quartz resonators crystal oscillator designed for control of the frequency with stability Color : As Shown CpsiaCautionaryStatement : no_warning_applicable ExternallyAssignedProductIdentifier : 4279642548089 ExternallyAssignedProductIdentifier1 : 0027541769241 ExternallyAssignedProductIdentifier2 : 027541769241 ItemName : 20PCS 20.000Mhz 20Quartz Crystal Resonator Passive Oscillator HC 49S HC-49S ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 1 centimeters ItemPackageDimensions_Width : 1 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : oscillators Manufacturer : AmAir ManufacturerMinimumAge : 144 Material : quartz ModelName : Radio Crystals ModelNumber : QY629GDV4RJTCK5011L73R0 NumberOfItems : 1 PartNumber : DZZP1646-262-2221122702 ProductDescription : 20PCS 20.000Mhz 20Quartz Crystal Resonator Passive Oscillator HC 49S HC-49S