12.87153

Crystals Overview

The Geyer Electronic America, Inc. model 12.87153 is a ceramic surface-mount crystal oscillator designed for precision timing applications. It operates at a fundamental frequency of 32.768 kHz with a tolerance of ±20ppm. The component features a load capacitance of 7pF and an equivalent series resistance of 80 kOhms. It is housed in a compact 2-SMD, No Lead package with dimensions of 0.126 inches in length by 0.059 inches in width.

Crystals Feature Summary

• Super ultra-miniature footprint suitable for space-constrained designs
• Ceramic construction for stable frequency generation
• Surface-mount technology for automated assembly

Crystals Applications

• Hearing aids
• Earbuds
• Wireless applications

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 2-SMD, No Lead package matches the target PCB footprint. Request official documentation from authorized distributors to validate authenticity and traceability before finalizing procurement orders.

Crystals Selection Notes

Select this component when a low-profile, cost-effective timing solution is required for portable audio or wireless devices. The 32.768 kHz frequency is standard for real-time clock division. Ensure the circuit design accommodates the 7pF load capacitance and 80 kOhms ESR to maintain oscillation stability within the specified ±20ppm tolerance range.

Crystals Part Context

This part belongs to the KX-2 series of quartz crystals from Geyer Electronic America, Inc., which are engineered for super ultra-miniature form factors. The series targets the growing demand for compact timing components in wearable electronics and personal audio devices where size and weight are critical constraints.

Crystals Replacement Considerations

Consult the official Geyer Electronic cross-reference list for verified substitutes. Ensure any replacement maintains the 32.768 kHz frequency, 2-SMD package, and compatible electrical parameters.