LFSPXO018033

Overview

The IQD LFSPXO018033 is a standard clock oscillator operating at a nominal frequency of 4MHz. It features an HCMOS output format and operates within a supply voltage range of 5V ±10%. The device maintains a frequency stability of ±50ppm across the industrial temperature range of 0°C to +70°C. Key electrical parameters include a maximum current consumption of 20mA and a standby current of 10μA when disabled. The unit utilizes a 7mm x 5mm surface-mount package with NiAu termination, supporting reflow soldering up to 260°C for 10 seconds.

Feature Summary

• Features a fully hermetically sealed ceramic body with welded metal cover for superior resistance to moisture and dust in harsh environments.
• Includes a dedicated control pin that enables high-impedance shutdown mode when driven low, eliminating the need for external switching circuits.

Applications

• Industrial RS-485 data acquisition systems requiring robust timing sources
• Low-speed serial communication interfaces such as UART and SPI
• Sampling clocks for 12-bit analog-to-digital converters (ADCs)
• Industrial gateways and automotive applications subject to mechanical vibration

Procurement Notes

Verify the specific suffix against official documentation to confirm packaging configuration and compliance status. Ensure the selected variant matches the required operating temperature range and frequency tolerance specifications for the target application environment. Confirm RoHS and REACH compliance requirements prior to final procurement decisions.

Selection Notes

Select this component for applications demanding high reliability under mechanical stress due to its MIL-STD certified shock and vibration resistance. The integrated enable/disable functionality simplifies power management in intermittent operation scenarios. Verify that the total load capacitance on the output trace remains within the specified limits to maintain signal integrity and rise/fall time performance.

Part Context

This part belongs to the CFPS-72 series of standard clock oscillators manufactured by IQD Frequency Products, a subsidiary of Würth Elektronik. The series is designed for industrial-grade applications requiring stable timing signals in compact surface-mount packages. The product line emphasizes durability and low phase noise suitable for precision measurement and communication tasks.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Consult official manufacturer cross-reference guides for potential alternatives.

FAQ

How does the control pin function affect power consumption?

When the control pin is driven below 30% of Vcc, the oscillator enters a shutdown state with output in high impedance, reducing current consumption to a maximum of 10μA.

What are the mechanical reliability standards met by this oscillator?

The device complies with MIL-STD-202 Method 213 Condition E for shock resistance and MIL-STD-883 Method 2007 Condition A for vibration resistance.