CS03981-30.32M

Overview

The CS03981-30.32M is a surface-mount quartz crystal resonator manufactured by NDK (NIHON DEMPA KOGYO CO., LTD). It operates at a fundamental frequency of 30.32 MHz with a frequency tolerance of ±10 ppm and a load capacitance of 6 pF. The component features an equivalent series resistance (ESR) of 100 Ohms and utilizes a 4-SMD, no-lead package measuring 3.20 mm in length, 2.50 mm in width, and 0.70 mm in maximum height. Designed for base mode operation, it supports a standard operating temperature range of -10°C to +70°C.

Feature Summary

• Compact 4-SMD surface-mount footprint suitable for space-constrained PCB layouts
• High frequency stability with ±10 ppm tolerance for precise timing applications
• Low profile design with 0.70 mm maximum seated height
• Compliant with RoHS standards for environmental safety

Applications

• Clock signal generation for microcontrollers and digital logic circuits
• Timing references for communication interfaces such as UART and SPI
• Frequency control in portable consumer electronics devices
• Oscillator circuits requiring stable 30.32 MHz reference signals

Procurement Notes

Verify the specific load capacitance requirement of your oscillator circuit matches the 6 pF specification to ensure accurate frequency performance. Confirm that the operating temperature range of -10°C to +70°C aligns with your system's environmental conditions. Check for any specific handling instructions regarding moisture sensitivity level (MSL) during storage and reflow soldering processes.

Selection Notes

Select this component when a 30.32 MHz frequency is required with tight ±10 ppm stability. The 6 pF load capacitance dictates compatibility with specific oscillator ICs or MCU internal capacitors. Consider the 100 Ohm ESR value for drive level limitations. Ensure the 4-SMD package dimensions fit within the designated board area and clearance requirements.

Part Context

This part belongs to NDK's portfolio of surface-mount crystals designed for general-purpose timing applications. It shares the standard 3.2mm x 2.5mm footprint common in many embedded systems. The 30.32 MHz frequency is often used in specific data transmission protocols or custom clocking schemes where standard frequencies like 30 MHz are insufficient.

Replacement Considerations

Direct substitutes must match the 30.32 MHz frequency, 6 pF load capacitance, and 4-SMD package size. Verify equivalent ESR and frequency tolerance specifications. Cross-reference with other manufacturers offering similar SMD crystals if supply constraints exist.