SXT11412CB27-27.120M

Crystals Overview

The SXT11412CB27-27.120M is a surface-mount crystal oscillator manufactured by Suntsu Electronics, Inc., designed for precision timing applications. It operates at a fundamental frequency of 27.12 MHz with a nominal load capacitance of 12 pF and an equivalent series resistance of 150 Ohms. The component features a 4-SMD, No Lead package configuration, specifically sized as SMD1612-4P. Frequency stability is rated at ±30 ppm, while the normal temperature frequency tolerance is specified at ±25 ppm. The device supports an operating temperature range from -20°C to +70°C, ensuring reliable performance in standard commercial environments.

Crystals Feature Summary

• Surface-mount design utilizing a 4-SMD, No Lead package structure for automated assembly compatibility
• Fundamental mode operation providing stable oscillation at 27.12 MHz
• Integrated load capacitance specification of 12 pF for direct circuit integration
• Compliance with RoHS standards for environmental safety

Crystals Applications

• Precision timing circuits requiring 27.12 MHz reference signals
• Commercial electronic devices operating within -20°C to +70°C ranges
• Embedded systems utilizing surface-mount assembly processes

Crystals Procurement Notes

Verify the exact frequency tolerance and stability specifications against the official manufacturer datasheet prior to procurement, as variations may exist between different production batches or specific ordering suffixes. Confirm the physical package dimensions and pinout configuration match the target PCB footprint requirements. Ensure that the operating temperature range aligns with the thermal environment of the final application to guarantee long-term reliability and frequency accuracy under all expected conditions.

Crystals Selection Notes

Select this component when a 27.12 MHz fundamental frequency is required with a compact 1612 surface-mount form factor. Consider the ±25 ppm tolerance and ±30 ppm stability ratings to ensure compatibility with the host oscillator circuit's phase noise and jitter requirements. Evaluate the 150 Ohm ESR value to confirm it matches the driving capability of the intended microcontroller or clock generator. Verify that the -20°C to +70°C temperature range satisfies the operational constraints of the end product.

Crystals Part Context

This part belongs to the Suntsu SXT11412 series of surface-mount crystals, which are engineered for general-purpose timing applications. The series offers various frequency options and package sizes to accommodate diverse design needs. The CB27 designation typically indicates specific internal construction parameters related to the crystal cut and electrode configuration, optimized for the 27.12 MHz frequency point within the broader product line.

Crystals Replacement Considerations

Direct substitutes must match the 27.12 MHz frequency, 12 pF load capacitance, 150 Ohm ESR, and 4-SMD No Lead package dimensions. Verify that alternative components meet the same ±25 ppm tolerance and ±30 ppm stability specifications. Ensure the replacement part supports the -20°C to +70°C operating temperature range and maintains RoHS compliance for seamless integration without redesigning the surrounding circuitry.