SXT11412FB48-25.000M

Crystals Overview

The SXT11412FB48-25.000M is a 25 MHz AT-cut fundamental frequency crystal manufactured by Suntsu Electronics, Inc. It utilizes a compact 1.6×1.2 mm 4-pad surface-mount package with no leads. The component operates within an industrial temperature range of -40°C to +85°C. Key electrical specifications include a frequency tolerance of ±10 ppm and a load capacitance of 12 pF. The equivalent series resistance (ESR) is rated at 150 Ohms maximum for the 24–30 MHz band. The device features a first-year aging rate of ±2 ppm and meets MIL-STD-883 reliability standards.

Crystals Feature Summary

• Compact 1.6x1.2mm four-pad surface mount design with two integrated ground pads for enhanced electromagnetic interference immunity in high-density layouts.
• AT-cut fundamental resonance architecture ensures reliable startup characteristics across the specified operating temperature range without requiring additional temperature compensation circuits.
• Industrial-grade environmental resilience compliant with MIL-STD-883 mechanical and thermal testing protocols, supporting direct soldering without pre-baking requirements.

Crystals Applications

• Bluetooth wireless modules requiring Class B communication stability
• Wi-Fi transceivers and industrial short-range wireless devices
• High-density printed circuit boards with strict space constraints

Crystals Procurement Notes

Verify that the ordering suffix matches the required frequency tolerance and temperature range specifications. Confirm the load capacitance aligns with the host oscillator circuit design. Ensure the package variant corresponds to the intended surface-mount footprint. Cross-reference the ESR limits against the application's startup requirements. Validate compliance with specific industry reliability standards if applicable.

Crystals Selection Notes

Select this component when space optimization is critical alongside robust industrial temperature performance. The four-pad configuration offers superior noise rejection compared to two-pad alternatives of similar dimensions. Consider the low ESR value for easier impedance matching in sensitive oscillator circuits. Evaluate the long-term aging rate for applications demanding stable frequency over extended operational lifespans.

Crystals Part Context

This model belongs to the SXT114 series of ultra-small crystals from Suntsu Electronics. The series covers frequencies between 24 MHz and 54 MHz, targeting modern wireless communication standards. The naming convention encodes package size, tolerance, temperature range, and frequency. This specific part represents the industrial grade variant optimized for challenging environments.

Crystals Replacement Considerations

Direct substitutes must match the 1.6x1.2mm 4-pad footprint and 25 MHz frequency. Verify identical load capacitance and ESR limits to maintain circuit stability. Check for compatible temperature ranges and aging rates. Consult manufacturer cross-reference lists for verified equivalents.