12.85515

Crystals Overview

The Geyer Electronic America, Inc. model 12.85515 is a quartz crystal component designed for frequency control applications. It operates at a fundamental frequency of 27 MHz with a specified load capacitance of 8 pF and an equivalent series resistance (ESR) of 100 Ohms. The device exhibits a frequency tolerance of ±30 ppm. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.00 mm x 1.60 mm (0.079" L x 0.063" W). This component is RoHS compliant and suitable for surface-mount assembly processes.

Crystals Feature Summary

• Surface-mount design utilizing a 4-SMD no-lead package configuration
• Quartz crystal construction providing stable frequency generation
• RoHS compliant manufacturing status

Crystals Applications

• Frequency reference circuits
• Oscillator modules
• RF communication systems

Crystals Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to ensure compatibility with required load capacitance and tolerance specifications. Confirm that the 4-SMD package style aligns with the target PCB footprint and reflow soldering profile requirements. Cross-reference the part number with authorized distributor lists to validate supply chain authenticity and avoid counterfeit components.

Crystals Selection Notes

Select this component when a 27 MHz fundamental frequency is required with moderate stability needs defined by the ±30 ppm tolerance. Ensure the circuit design accommodates the 8 pF load capacitance and 100 Ohm ESR characteristics. Evaluate the physical constraints of the 2.00 mm x 1.60 mm SMD package against available board space. Consider environmental factors and temperature range requirements relative to standard crystal performance curves.

Crystals Part Context

This part belongs to the quartz crystal product line manufactured by Geyer Electronic, a company specializing in frequency control devices. The manufacturer provides various crystal types including tuning fork crystals, THT crystals, and oscillators. The 12.85515 represents a standard surface-mount solution within their portfolio, supporting global distribution through authorized channels and technical support services.

Crystals Replacement Considerations

Consult official cross-reference data or manufacturer substitution guides for compatible alternatives. Verify that any substitute part matches the 27 MHz frequency, 8 pF load capacitance, and 4-SMD package dimensions. Ensure electrical parameters such as ESR and tolerance meet or exceed original specifications.