Micro Crystal CC7V-T1A Tuning Fork Crystals

Introduction

The Micro Crystal CC7V-T1A is a compact 32.768 kHz tuning fork quartz crystal designed for precise, low-power timekeeping. Its ultra-small ceramic SMD package makes it suitable for space-constrained electronic products that require a stable clock reference.

Part Description

The CC7V-T1A is a 32.768 kHz quartz tuning fork crystal from Micro Crystal. This frequency is widely used as a real-time clock reference because it can be divided efficiently to produce one-second timing intervals.

Built in a low-profile, hermetically sealed ceramic surface-mount package, the device is designed to provide dependable operation in compact assemblies. Key characteristics include high frequency stability, low aging behavior, and resistance to mechanical shock and vibration. The part is also AEC-Q200 qualified, supporting use in demanding automotive and industrial environments, and it is RoHS compliant.

Applications

Potential applications for the CC7V-T1A include:

• Real-time clock circuits
• Battery-backed timekeeping modules
• Low-power microcontroller systems
• Wearable electronics
• Smart meters
• Wireless sensor nodes
• Portable medical devices
• Automotive control modules
• GPS and GNSS timing support circuits
• Data logging equipment
• Security and access-control devices
• IoT endpoints

Industries

Possible industries using this crystal include:

• Automotive electronics
• Consumer electronics
• Industrial automation
• Internet of Things
• Medical electronics
• Smart energy and utility metering
• Telecommunications
• Building automation
• Security systems
• Wearable technology
• Logistics and asset tracking

Usage Ideas

1. Low-Power Environmental Sensor
   Use the crystal with a microcontroller RTC to wake a temperature and humidity sensor at scheduled intervals while minimizing battery consumption.

2. Automotive Event Logger
   Add accurate timestamping to a vehicle monitoring or diagnostic logger designed to record events during operation and standby periods.

3. Wearable Reminder Device
   Build a compact wearable timer or medication reminder that maintains accurate time while operating from a small rechargeable or coin-cell battery.

Conclusion

The Micro Crystal CC7V-T1A is a small, robust 32.768 kHz tuning fork crystal intended for reliable timekeeping in compact electronic systems. Its stable performance, low aging, mechanical durability, AEC-Q200 qualification, and RoHS compliance make it a practical choice for consumer, industrial, medical, IoT, and automotive timing applications.