QTK325-32.768KBD-T

Overview

The QTK325-32.768KBD-T is a surface-mount crystal oscillator from the QTK325 series, manufactured by TXC Corporation. It operates at a nominal frequency of 32.768 kHz with a CMOS output signal. The device supports a supply voltage of 3.3 V and draws a maximum supply current of 3 mA. Frequency stability is rated at ±25 ppm over an operating temperature range of -40°C to +85°C. The component utilizes a 4-pin CSMD package with physical dimensions of 3.2 mm x 2.5 mm.

Feature Summary

• Provides stable 32.768 kHz timing signals via CMOS output interface
• Operates within extended industrial temperature ranges for reliable performance
• Designed for low-power applications with minimal supply current consumption

Applications

• Real-time clock circuits in embedded systems
• Microcontroller backup timing sources
• Low-frequency reference generation for portable electronics

Procurement Notes

Verify the specific suffix 'BD' against the manufacturer's official documentation to confirm the exact frequency tolerance and temperature grade. Ensure that the required 3.3 V supply voltage aligns with the target circuit design. Confirm that the 4-pin CSMD footprint matches the PCB layout specifications before finalizing procurement orders.

Selection Notes

Select this component when a precise 32.768 kHz reference is required for timekeeping or synchronization tasks. The ±25 ppm stability rating suits applications where moderate accuracy is sufficient. Consider the 3.3 V operating voltage constraint and ensure compatibility with the system's power rails and logic levels.

Part Context

This oscillator belongs to the QTK325 series, which features compact 3.2mm x 2.5mm surface-mount packages. The series offers various frequency options and stability grades, catering to different timing requirements in consumer and industrial electronics while maintaining consistent physical form factors for design flexibility.

Replacement Considerations

The QTK325-32.768KBA-T shares similar physical dimensions but may differ in stability specifications. Verify electrical parameters carefully before substitution. No other direct substitute part numbers are publicly confirmed for this specific model variant.