405C11A19M44000

Crystals Overview

The CTS-Frequency Controls 405C11A19M44000 is a surface-mount crystal resonator operating at a fundamental frequency of 19.44 MHz. It features a frequency stability and tolerance of ±10 ppm, with a load capacitance of 10 pF and an equivalent series resistance (ESR) of 60 Ohms maximum. The component utilizes a 4-SMD, no-lead package with dimensions of 5.00 mm in length, 3.20 mm in width, and a maximum height of 0.85 mm. Designed for industrial applications, it supports a temperature range from -20°C to +70°C and complies with RoHS3 standards.

Crystals Feature Summary

• Provides precise frequency control with ±10 ppm stability for reliable timing applications
• Features enable/disable functionality through the HCMOS/TTL output interface
• Supports low power consumption with a maximum supply current of 30 mA
• Complies with AEC-Q200 qualification standards for automotive reliability

Crystals Applications

• Automotive electronic systems requiring robust clock signals
• Industrial equipment needing stable frequency references
• Consumer electronics utilizing standard CMOS logic interfaces
• Communication devices requiring precise timing synchronization

Crystals Procurement Notes

Verify that the specific part number matches the required frequency and package dimensions before ordering. Confirm compatibility with the target circuit's load capacitance requirements. Ensure the supplier provides valid documentation regarding RoHS3 compliance and AEC-Q200 qualification status. Check for any specific handling instructions related to surface-mount assembly processes.

Crystals Selection Notes

Select this component when a 19.44 MHz frequency is specifically required for system timing. Consider the ±10 ppm stability requirement against environmental temperature variations within the specified operating range. Evaluate the 4-SMD package size constraints against available PCB space. Verify that the HCMOS/TTL output levels align with the receiving logic family voltage thresholds.

Crystals Part Context

This component belongs to the CA50 series of clock oscillators manufactured by CTS-Frequency Controls. The series is designed for automotive and industrial applications, offering various frequencies and package options. The CA50 series emphasizes reliability and compliance with automotive quality standards, making it suitable for demanding environments where consistent performance is critical.

Crystals Replacement Considerations

No direct substitute part numbers are publicly confirmed for this specific model. When evaluating alternatives, ensure the replacement matches the 19.44 MHz frequency, 10 pF load capacitance, and 4-SMD package dimensions. Verify that any substitute meets the same ±10 ppm stability and AEC-Q200 qualification requirements.