SXT1148DB27-40.000M

Crystals Overview

The SXT1148DB27-40.000M is a parallel fundamental quartz crystal manufactured by Suntsu Electronics, Inc. It operates at a nominal frequency of 40 MHz with a frequency stability of ±20ppm and a load capacitance of 8pF. The equivalent series resistance (ESR) is specified as 100 Ohms. This component utilizes a 4-SMD, no lead package with dimensions of 1.60mm x 1.20mm. It is designed for surface mount installation and supports base harmonic operation modes.

Crystals Feature Summary

• Parallel fundamental quartz crystal construction
• Surface mount 4-SMD no lead package format
• Base harmonic operation mode support

Crystals Applications

• Microcontroller clock generation
• Motor control system timing
• General electronic circuit oscillation

Crystals Procurement Notes

Verify the specific ordering suffix against official Suntsu documentation to ensure correct frequency tolerance and load capacitance specifications. Confirm that the 4-SMD package dimensions align with PCB footprint requirements. Request the latest datasheet to validate ESR values and operating temperature ranges before finalizing procurement decisions.

Crystals Selection Notes

Select this component when a 40 MHz reference signal is required for surface mount designs. Ensure the circuit design accommodates an 8pF load capacitance to maintain frequency accuracy. Verify that the ±20ppm stability meets the system timing requirements. Check compatibility with the 100 Ohm ESR specification for oscillator circuit stability.

Crystals Part Context

This part belongs to the SXT114 series of quartz crystals from Suntsu Electronics. The series offers various frequencies and package options for embedded applications. Similar parts in the lineup include variants with different frequencies such as 32 MHz or other standard clock rates, all sharing the compact SMD form factor.

Crystals Replacement Considerations

Direct substitutes may include other 40 MHz crystals with identical 8pF load capacitance and 4-SMD packaging. Verify pinout compatibility and physical dimensions before substitution. Cross-reference with manufacturer cross-reference lists for confirmed equivalent part numbers.