SXT22418CA17-25.000M

Crystals Overview

The SXT22418CA17-25.000M is a quartz crystal resonator manufactured by Suntsu Electronics, Inc., designed for surface-mount applications. It operates at a fundamental frequency of 25.000 MHz with a load capacitance of 18 pF. The component features a frequency tolerance of ±25 ppm and a stability of ±30 ppm. It exhibits an equivalent series resistance (ESR) of 80 Ohms maximum and supports a drive level up to 100 μW. The device is housed in a compact 4-SMD, No Lead package measuring 2.5 x 2.0 mm, suitable for high-density circuit board layouts.

Crystals Feature Summary

• Utilizes a 4-pad SMD ceramic package design that provides enhanced electromagnetic interference shielding compared to standard two-pin variants.
• Operates on AT-cut fundamental mode resonance, simplifying oscillator circuit requirements without the need for additional matching inductors.
• Engineered for industrial-grade reliability with stable performance across specified temperature ranges.

Crystals Applications

• Bluetooth and short-range wireless communication devices
• PCMCIA cards and modem interfaces
• Industrial control systems with dense PCB layouts

Crystals Procurement Notes

Verify the specific suffix CA17 against the manufacturer's official datasheet to confirm exact electrical tolerances and temperature ratings. Ensure the ordering quantity aligns with the supplier's minimum order requirements and packaging specifications. Cross-reference the part number with the latest revision history to guarantee compatibility with current production standards.

Crystals Selection Notes

Select this component when a small 2520 footprint is required alongside superior EMI suppression capabilities provided by the four-terminal ground connection. It is appropriate for designs where standard two-pin crystals fail EMC testing due to radiation issues. Consider the 80 Ohm ESR limit when designing the oscillator circuit to ensure reliable startup conditions.

Crystals Part Context

This model belongs to the SXT224 series of surface-mount crystals from Suntsu Electronics. The series is characterized by its 2.5 x 2.0 mm ceramic package and four-electrode structure. This specific variant targets applications requiring robust signal integrity in compact wireless and industrial electronics.

Crystals Replacement Considerations

Direct substitutes must match the 25 MHz frequency, 18 pF load capacitance, and 4-SMD 2520 package dimensions. Verify that alternative components support similar ESR limits and offer comparable EMI shielding through a four-terminal design.

Crystals FAQ

How does the four-terminal design improve performance?

The four-terminal configuration allows unused pins to be connected to the main ground, providing effective shielding that reduces electromagnetic interference emissions compared to two-pin packages.

What is the maximum drive level for this crystal?

The maximum drive level is 100 μW, ensuring safe operation within standard oscillator circuits without risking frequency drift or damage.