12.85548

Crystals Overview

The Geyer Electronic America, Inc. part number 12.85548 is a surface-mount quartz crystal designed for precision frequency control applications. This component operates at a fundamental frequency of 40.0 MHz and utilizes an 8 pF load capacitance specification to ensure accurate oscillation within connected circuits. The device features an equivalent series resistance (ESR) of 80 Ohms, indicating its impedance characteristics during operation. It is housed in a compact 4-SMD, No Lead package, facilitating automated assembly processes and space-constrained PCB layouts. These electrical parameters define the core performance envelope for clocking tree signal conditioning tasks.

Crystals Feature Summary

• Provides precise frequency stability for digital logic interfaces
• Supports direct integration with ASIC, MCU, MPU, or FPGA architectures
• Enables reliable clocking tree signal conditioning

Crystals Applications

• ASIC clocking tree signal conditioning
• MCU system clock generation
• MPU timing reference circuits
• FPGA input/output synchronization

Crystals Procurement Notes

Verify that the specific ordering suffix matches the required load capacitance and frequency tolerance specifications for your design. Confirm the package type aligns with your PCB footprint requirements. Ensure compatibility with your reflow soldering profile to maintain crystal integrity. Cross-reference the manufacturer's latest datasheet for any updates to mechanical dimensions or electrical limits before finalizing procurement orders.

Crystals Selection Notes

Select this component when a 40.0 MHz fundamental frequency is required for high-speed digital interfaces. Consider the 80 Ohm ESR value when designing oscillator circuits to ensure stable startup conditions. The 8 pF load capacitance must match the external circuit requirements to achieve specified frequency accuracy. Evaluate the 4-SMD no-lead package suitability for your manufacturing capabilities and spatial constraints on the printed circuit board.

Crystals Part Context

This part belongs to Geyer Electronic America, Inc.'s range of quartz precision frequency control devices. The manufacturer specializes in crystals, oscillators, and resonators for electronic systems. The 12.85548 model serves as a passive frequency-determining element within active oscillator circuits, providing the necessary resonance for stable clock signals in modern embedded electronics and communication hardware.

Crystals Replacement Considerations

Consult official substitution lists for compatible alternatives with matching frequency and load capacitance.