SXT1148DD16-25.000M

Crystals Overview

The SXT1148DD16-25.000M is a 25 MHz AT-cut fundamental mode crystal oscillator manufactured by Suntsu Electronics, Inc. It features a 4-SMD, No Lead package with dimensions of 1.60mm x 1.20mm. The component operates within a -40°C to +85°C temperature range and maintains a frequency tolerance and stability of ±20ppm. It utilizes an 8pF load capacitance and exhibits an equivalent series resistance (ESR) of 150 Ohms maximum. The device supports a first-year aging rate of ±2ppm and complies with MIL-STD-883 mechanical and environmental standards.

Crystals Feature Summary

• Compact 1.6x1.2mm four-pad surface mount design for high-density PCB layouts
• AT-cut fundamental resonance architecture ensuring reliable oscillation startup
• Industrial-grade thermal stability covering -40°C to +85°C operational range
• Low equivalent series resistance facilitating broader matching capacitor selection

Crystals Applications

• TWS earphone modules requiring precise timing signals
• Bluetooth Class B communication devices
• Industrial wireless sensor networks
• WiFi-enabled compact electronic equipment

Crystals Procurement Notes

Verify the specific ordering suffix against official Suntsu documentation to confirm exact frequency tolerance, temperature range, and load capacitance specifications. Ensure compatibility with automated pick-and-place assembly processes due to the leadless package format. Confirm that the selected variant meets the required MIL-STD-883 reliability standards for the intended application environment before finalizing procurement orders.

Crystals Selection Notes

Select this component when space constraints necessitate a footprint smaller than standard 0402 packages while maintaining industrial temperature performance. The low ESR characteristic makes it suitable for circuits requiring wide load capacitance tuning ranges. Consider the ±20ppm stability limit for applications where strict frequency accuracy without external compensation is mandatory. Evaluate the four-pad grounding structure for superior noise immunity compared to two-pad alternatives in sensitive RF environments.

Crystals Part Context

This part belongs to the SXT114 series of ultra-small crystals from Suntsu Electronics. The series is designed for modern miniaturized electronics, offering a balance between physical size reduction and electrical performance. Variants within the series differ primarily in frequency, tolerance codes, and temperature grades, allowing designers to customize timing solutions for diverse consumer and industrial products.

Crystals Replacement Considerations

Direct substitutes include other 1.6x1.2mm 4-pad crystals with identical 25MHz frequency and ±20ppm stability. Verify pinout compatibility and ESR limits to ensure circuit stability. Cross-reference with similar form-factor components from other manufacturers only if they explicitly match the package dimensions and electrical parameters defined in the original datasheet.