12.85554

Crystals Overview

The Geyer Electronic America, Inc. part number 12.85554 is a surface-mount quartz crystal designed for frequency control applications. It operates at a fundamental frequency of 25.0 MHz with a load capacitance of 8 pF and an equivalent series resistance of 100 Ohms. The component utilizes the KX-5T package configuration and features a tolerance of ±20 ppm. This Class III life-supporting device is intended for use in circuits requiring stable oscillation frequencies.

Crystals Feature Summary

• Surface-mount design for automated assembly
• Quartz resonator technology for frequency stability
• Class III life-supporting device classification

Crystals Applications

• Frequency control circuits
• Oscillator designs
• Time base generation

Crystals Procurement Notes

Verify the specific ordering suffix and package variant against the official datasheet before procurement. Confirm that the component meets all required environmental and electrical specifications for the target application. Ensure compliance with Class III life-supporting device guidelines during integration.

Crystals Selection Notes

Select this component based on the required 25.0 MHz operating frequency and 8 pF load capacitance. Consider the ±20 ppm tolerance and 100 Ohm ESR limits when designing the oscillator circuit. Verify compatibility with the KX-5T surface-mount footprint and manufacturing processes.

Crystals Part Context

This part belongs to Geyer Electronic's range of quartz crystals and frequency control products. It is manufactured by Geyer Electronic America, Inc., a provider of timing solutions including crystals, oscillators, and resonators. The product line supports various industrial and commercial electronic applications requiring precise frequency references.

Crystals Replacement Considerations

Consult the manufacturer's substitution guide or cross-reference list for verified alternatives. Ensure any replacement matches the 25.0 MHz frequency, 8 pF load capacitance, and KX-5T package dimensions. Verify electrical parameters such as ESR and tolerance meet original design requirements.