C7S-27.000-12-1520-R

Crystals Overview

The C7S-27.000-12-1520-R is a microprocessor crystal unit manufactured by Aker Technology Corp, operating at a standard frequency of 27 MHz with a ±15 ppm tolerance. It features a load capacitance of 12 pF and a series resistance of 30 Ohms. The component utilizes a 4-SMD, No Lead surface mount package with dimensions of 7.0 mm in length, 5.0 mm in width, and 1 mm in height. It supports an operating temperature range from -40°C to 85°C and complies with RoHS standards.

Crystals Feature Summary

• Low profile surface mount design for compact circuit integration
• Seam-welded ceramic-metal package construction
• Precision timing stability suitable for microprocessor applications

Crystals Applications

• Microprocessor clock circuits
• General purpose timing applications
• Surface mount electronic assemblies

Crystals Procurement Notes

Verify the specific frequency tolerance against official datasheets, as some sources indicate ±15 ppm while others reference ±30 ppm for similar variants. Confirm the exact package dimensions and lead-free status directly with the manufacturer or authorized distributors to ensure compliance with project specifications and regulatory requirements before finalizing procurement orders.

Crystals Selection Notes

Select this component when a 27 MHz reference signal is required for microprocessor systems. Ensure the circuit design accommodates the 12 pF load capacitance and 30 Ohm series resistance. Verify that the 7.0 x 5.0 mm footprint fits within the available PCB space and that the -40°C to 85°C temperature range meets the environmental operating conditions of the target application.

Crystals Part Context

This part belongs to the C7S series of microprocessor crystal units from Aker Technology Corp. These components are designed as low-profile surface mount devices intended for general product specifications. The series typically utilizes seam-welded ceramic-metal packages to provide reliable performance in various electronic timing applications requiring stable frequency generation.

Crystals Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Cross-reference with other 27 MHz SMD crystals only if electrical parameters such as load capacitance, frequency tolerance, and package dimensions match exactly. Consult the manufacturer for approved alternates.