ABM3BN-25.000MHZ-18-B1U-T

Crystals Overview

The ABM3BN-25.000MHZ-18-B1U-T is a parallel fundamental quartz crystal oscillator manufactured by Abracon LLC, designed for surface-mount applications. It operates at a standard frequency of 25 MHz with a frequency tolerance of ±10 ppm and a frequency stability of ±10 ppm across the operating temperature range. The component features an 18 pF load capacitance and a maximum series resistance (ESR) of 50 Ohms. It utilizes a 4-SMD, no-lead package with dimensions of 5.0 mm in length, 3.2 mm in width, and 1.1 mm in height. The device supports a commercial operating temperature range from -20°C to +70°C and complies with RoHS standards.

Crystals Feature Summary

• High precision timing performance with ±10 ppm tolerance and stability suitable for communication equipment
• Robust ceramic construction with metal cover and seam sealing for enhanced reliability
• Compact 5.0 x 3.2 mm SMD footprint optimized for space-constrained PCB designs
• Supports standard reflow soldering processes for automated manufacturing

Crystals Applications

• Wireless communication terminals and modules
• Portable consumer electronics requiring precise clock signals
• PCMCIA cards and compact data storage devices
• Test and measurement instruments

Crystals Procurement Notes

Verify that the specific suffix B1U-T corresponds to the required -20°C to +70°C temperature range and ±10 ppm stability specifications. Confirm compatibility with the target circuit's load capacitance requirements, as the default is 18 pF. Ensure that the ordering documentation explicitly references the full part number to avoid substitution with similar variants having different thermal or electrical characteristics.

Crystals Selection Notes

Select this component when high accuracy is critical for wireless protocols or data integrity. The ±10 ppm stability ensures minimal frequency drift over the specified temperature range. Consider the 50 Ohm ESR limit for oscillator circuit design to ensure reliable startup. This part is ideal for dense layouts where the 5032 package size provides necessary space savings without compromising signal quality.

Crystals Part Context

This model belongs to the ABM3B series of surface-mount crystals, which are widely used in portable and industrial applications. The series is characterized by its small form factor and high reliability due to the seam-sealed ceramic package. The ABM3BN variant specifically denotes a version with defined thermal and electrical parameters tailored for commercial and light industrial environments.

Crystals Replacement Considerations

Direct substitutes include other Abracon ABM3B series parts with matching 25 MHz frequency, 18 pF load, and compatible ESR. Verify that any replacement maintains the same package dimensions and pin configuration. Cross-reference with other manufacturers' 5032 SMD crystals if supply constraints exist, ensuring equivalent frequency tolerance and stability ratings.