12.85757

Crystals Overview

The Geyer Electronic America, Inc. model 12.85757 is a quartz crystal component designed for frequency control applications. It operates within a frequency range of 12.85757 MHz to 20 MHz with a tolerance of ±10ppm. The device features a load capacitance of 7pF and an equivalent series resistance (ESR) of 200 Ohms. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly.

Crystals Feature Summary

• Super ultra-miniature footprint ideal for space-constrained designs
• Suitable for hearing aids, earbuds, and wireless applications

Crystals Applications

• Hearing aids
• Earbuds
• Wireless applications

Crystals Procurement Notes

Verify the specific part number against official Geyer Electronic America datasheets to ensure compatibility with your circuit design. Confirm that the 4-SMD, No Lead package matches your PCB layout requirements. Check for any ordering suffixes that may indicate variations in specifications or packaging. Ensure that the supplier provides genuine components from authorized channels to maintain quality and reliability standards.

Crystals Selection Notes

Consider the ±10ppm frequency tolerance when selecting this crystal for precision timing applications. The 7pF load capacitance must align with the oscillator circuit's requirements. The 200 Ohm ESR value should be compatible with the driving circuitry. Evaluate the super ultra-miniature footprint against available board space constraints. Verify that the operating temperature range meets the environmental conditions of the intended application.

Crystals Part Context

Geyer Electronic America specializes in frequency control products, including quartz crystals, oscillators, and ceramic resonators. The 12.85757 model is part of their KX-2 series, which focuses on providing high-performance solutions in a compact form factor. This series is tailored for modern electronic devices where size and weight are critical factors.

Crystals Replacement Considerations

Cross-reference with other manufacturers' quartz crystals offering similar frequency, tolerance, and package dimensions. Ensure that any substitute component maintains the same electrical characteristics, particularly the 7pF load capacitance and 200 Ohm ESR. Verify that the replacement part is available in a 4-SMD, No Lead package to fit existing PCB footprints.