Now available from PMD Way are 4MHz crystal oscillators from PMD Way in packs of ten. Specifications: Equivalent Series Resistance (ESR): 150 Ohm Max Frequency tolerance: ±30ppm (@25°C) Operating temperature: -20°C to 70°C Shunt capacitance: 7pf max. Load capacitance: 10 to 32pf or series resonant Insulation resistance: 500Meg Ohm @ 100VDC Drive level: 1mW max Don't forget to check out our full range of through-hole crystals if this doesn't meet your needs. And as always, all orders receive free delivery. And remember ... if you: can't find what you need not sure what to order want a bulk deal need technical support or just want to have a talk ... Please email us via [email protected]. To keep up to date with new products, news, tutorials and more - we're on x, Facebook, Instagram, threads, reddit, and instructables.