18QHTF21-2.5625-PD

Oscillators Overview

The 18QHTF21-2.5625-PD is a crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 2.5625 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a Standby mode for power down functionality. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm.

Oscillators Feature Summary

• Supports Low Voltage CMOS (LVCMOS) output logic levels
• Includes Standby function for power management
• Utilizes surface-mount technology for board integration

Oscillators Applications

• Digital signal processing circuits requiring precise clocking
• Embedded systems utilizing low-voltage microcontrollers
• Communication modules needing stable frequency references

Oscillators Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required voltage and package specifications. Confirm that the 'PD' suffix corresponds to the intended power-down feature as documented in the manufacturer's official datasheet. Cross-reference part numbers with authorized distributors to avoid counterfeit components. Ensure environmental compliance matches project requirements.

Oscillators Selection Notes

Select this component when a 2.5625 MHz reference is required for 1.8V logic interfaces. Consider the small 2.0x1.6mm footprint for space-constrained designs. Evaluate the need for standby capabilities versus continuous operation. Compare against other frequencies in the QHTF21 series if different timing standards are applicable.

Oscillators Part Context

This model belongs to the QHTF21 series of high-performance crystal oscillators from Mercury Electronics. The series typically offers standard packaging options suitable for automated assembly. The product line focuses on providing reliable frequency control solutions for consumer electronics and industrial applications requiring low power consumption.

Oscillators Replacement Considerations

Direct substitutes within the same series include models such as 18QHTF21-2.560-OE or 18QHTF21-8.3125-PD, provided the frequency difference is acceptable. Verify pinout and voltage compatibility before substitution. Consult the manufacturer's cross-reference guide for approved alternatives.