18QHTF21-35.251-PD

Oscillators Overview

The 18QHTF21-35.251-PD is a quartz crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 35.251 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes standby (power down) capabilities. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.

Oscillators Feature Summary

• Supports low voltage operation at 1.8V for power efficiency.
• Integrates standby functionality to enable power down modes.
• Delivers standard LVCMOS output signals.

Oscillators Applications

• General clock signal generation in electronic circuits
• Timing reference for digital systems requiring 35.251 MHz
• Embedded devices utilizing surface mount technology

Oscillators Procurement Notes

Verify the specific order code against manufacturer documentation to ensure correct frequency and package alignment. Confirm that the 1.8V supply requirement matches system design constraints. Check for any specific handling instructions related to the small 4-SMD no lead form factor during assembly processes.

Oscillators Selection Notes

Select this component when a precise 35.251 MHz timing source is required within space-constrained designs. Ensure the application supports the 1.8V operating voltage range. Consider the LVCMOS output compatibility with downstream logic levels. Verify thermal requirements against the specified operating temperature range for the target environment.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which offers various frequencies in a 2.0x1.6 mm SMD package. The series provides options for different output voltages and logic types. The -PD suffix typically indicates specific packaging or tape-and-reel configuration details as defined by the manufacturer.

Oscillators Replacement Considerations

Direct substitutes must match the 35.251 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm footprint. Cross-reference with other manufacturers offering equivalent SMD oscillators in this size class. Verify pinout compatibility and electrical specifications before substitution.