S21805T-26.000-X-R

Oscillators Overview

The S21805T-26.000-X-R is a surface-mount crystal oscillator manufactured by Aker Technology Corp. It operates at a standard frequency of 26.000 MHz with an HCMOS output type. The device supports a supply voltage of 1.8V and features an enable/disable function for power management. Frequency stability is specified at ±50ppm, ensuring reliable timing performance. The component utilizes a 4-pin SMD package with no leads, measuring 2mm in length, 1.6mm in width, and 0.5mm in height. It is designed for operation within a temperature range of -20°C to 70°C.

Oscillators Feature Summary

• Integrates enable/disable functionality for efficient power control
• Delivers stable HCMOS logic output signals
• Compact surface-mount design suitable for space-constrained PCBs

Oscillators Applications

• Portable electronic devices requiring low power consumption
• Communication modules needing precise clock synchronization
• Embedded systems utilizing 1.8V logic interfaces

Oscillators Procurement Notes

Verify the specific suffix 'X' against official manufacturer documentation to confirm exact electrical tolerances and pinout configurations. Ensure compatibility with 1.8V supply rails and check thermal specifications for the intended operating environment. Cross-reference the part number with authorized distributors to avoid counterfeit components.

Oscillators Selection Notes

Select this oscillator when a 26MHz reference with HCMOS output is required for 1.8V systems. Consider the ±50ppm stability requirement against system jitter budgets. Evaluate the small 2x1.6mm footprint against available board space. Confirm that the -20°C to 70°C industrial temperature range meets application environmental constraints.

Oscillators Part Context

This component belongs to the S21805T series of precision crystal oscillators from Aker Technology. The series offers various frequencies and packages tailored for modern electronics. The S21805T model specifically targets applications demanding low voltage operation and compact form factors while maintaining signal integrity through HCMOS outputs.

Oscillators Replacement Considerations

Direct substitutes include other 26MHz HCMOS oscillators with identical 1.8V supply requirements and similar 4-pin SMD footprints. Verify pin-to-pin compatibility and electrical parameter equivalence before substitution. Consult manufacturer cross-reference lists for validated alternative part numbers.