9HT7-32.768KDZF-T

Crystals Overview

The TXC CORPORATION 9HT7-32.768KDZF-T is a surface-mount quartz crystal resonator designed for precision timing applications. It operates at a nominal frequency of 32.768 kHz with a frequency tolerance of ±20 ppm and a load capacitance of 12.5 pF. The component features an equivalent series resistance (ESR) of 65 kOhms and utilizes a fundamental oscillation mode. It is housed in a compact 4-SMD, flat lead package measuring approximately 6.9 mm in length, 1.4 mm in width, and 1.3 mm in height. The device supports a wide operating temperature range from -40°C to +85°C and complies with RoHS3 standards.

Crystals Feature Summary

• Compact 4-SMD flat lead package design suitable for space-constrained surface mount layouts
• High stability frequency tolerance of ±20 ppm ensures accurate timekeeping
• Wide operating temperature range supporting reliable performance in varied environments

Crystals Applications

• Mobile phone clock circuits
• Notebook computer real-time clocks
• Digital still camera timing modules

Crystals Procurement Notes

Verify the specific suffix ZDF against the manufacturer's official datasheet to confirm pin configuration and soldering compatibility. Ensure the selected variant matches the required load capacitance and ESR specifications for the target oscillator circuit. Confirm RoHS3 compliance status if environmental regulations apply to the final assembly.

Crystals Selection Notes

Select this component when a small footprint 4-terminal SMD crystal is required for low-power timing applications. Compare the ±20 ppm tolerance against system requirements to ensure adequate accuracy. Consider the 65 kOhm ESR value for oscillator circuit stability and verify that the 12.5 pF load capacitance aligns with the host circuit design parameters.

Crystals Part Context

This part belongs to the 9HT7 series of quartz crystals manufactured by TXC Corporation. The series is specifically engineered for portable electronic devices requiring precise frequency references in minimal space. The 9HT7 family offers various tolerance options and package configurations to support diverse consumer electronics designs.

Crystals Replacement Considerations

Publicly confirmed parameter-equivalent substitutes include the CM7V-T1A-32.768KHZ-12.5PF-20PPM-TB-QA from Micro Crystal AG and the SC32A-12.5PF20PPM from Seiko Instruments. Verify mechanical dimensions and electrical characteristics before substitution.