12.88753

Crystals Overview

The Geyer Electronic America, Inc. model 12.88753 is a fundamental mode quartz crystal resonator designed for surface-mount applications. It operates at a nominal frequency of 40 MHz with a tolerance of ±30 ppm. The component features a load capacitance of 12 pF and an equivalent series resistance (ESR) of 30 Ohms. It utilizes a 4-SMD, no-lead package configuration. The device is rated for an operating temperature range from -40°C to +105°C. This unit is classified as a Class III Life Supporting Device within the frequency control products category.

Crystals Feature Summary

• Fundamental mode quartz crystal operation for stable frequency generation
• Surface-mount design utilizing a 4-pad no-lead package structure
• Extended industrial temperature rating suitable for harsh environments

Crystals Applications

• Clock generation circuits requiring precise timing references
• Microcontroller oscillator inputs
• Communication equipment synchronization modules

Crystals Procurement Notes

Verify the specific ordering suffix against the official manufacturer datasheet to ensure exact electrical parameters match the design requirements. Confirm that the 4-SMD no-lead package dimensions align with the PCB footprint. Check for any recent updates to the Class III Life Supporting Device classification or material compliance declarations prior to finalizing procurement orders.

Crystals Selection Notes

Select this component when a 40 MHz fundamental frequency with ±30 ppm stability is required in a compact surface-mount form factor. Ensure the circuit design accommodates the 12 pF load capacitance and 30 Ohm ESR specifications. Consider the extended -40°C to +105°C temperature range if the application involves variable thermal conditions. Validate compatibility with the target oscillator circuit topology before integration.

Crystals Part Context

This part belongs to Geyer Electronic's portfolio of frequency control products, which includes quartz crystals, oscillators, and ceramic resonators. The manufacturer specializes in providing timing devices for accurate clock generation and stable synchronization across various electronic systems. Geyer Electronic has established itself as a provider of these components since its founding in 1964.

Crystals Replacement Considerations

Consult the official Geyer Electronic replacement guide or authorized distributor catalogs for verified substitute part numbers. Cross-reference key parameters such as frequency, load capacitance, ESR, and package type to ensure functional equivalence. Do not assume interchangeability based solely on similar nominal frequencies without verifying detailed electrical specifications.