The ABS07-32.768KHZ-T is a compact surface-mount (SMD) crystal oscillator from Abracon, designed to provide a precise 32.768kHz frequency. This crystal is encapsulated in a 3.2x1.5x0.9mm ceramic package, making it suitable for high-density circuit boards where space is at a premium. It operates over a wide temperature range from -40°C to +85°C, with a frequency tolerance of ±20 parts per million (ppm) at 25°C, ensuring reliable performance across various environmental conditions.
Featuring a seam-sealed ceramic package, the ABS07-32.768KHZ-T offers excellent environmental and heat resistance, making it ideal for demanding commercial and industrial applications. It supports a flexural mode operation and has a temperature coefficient of -0.036 to -0.040 ppm/T², with a turnover temperature range of +20°C to +30°C. The crystal also exhibits a low equivalent series resistance (95 kΩ) and a high insulation resistance (500 MΩ at 100Vdc ± 15V), further enhancing its reliability.
The ABS07-32.768KHZ-T is designed for use in a wide range of applications, including wireless communications, commercial measuring equipment, and other electronic devices requiring precise timekeeping. Its low drive level (0.1 to 0.5 µW) and high Q value (up to 30,000) make it an energy-efficient choice for battery-powered applications.
Crystal
Crystals are fundamental components in electronic circuits where precise timing is crucial. They operate on the principle of piezoelectricity, converting mechanical vibrations into an electrical signal with a very precise frequency. This frequency stability makes crystals essential in applications like clocks, radios, and microprocessors where accurate timekeeping or signal processing is required.
When selecting a crystal, engineers consider parameters such as frequency, package size, temperature stability, and load capacitance. The frequency determines the crystal's operating speed, while the package size affects how it fits into the circuit layout. Temperature stability is important for applications exposed to varying environmental conditions, ensuring the crystal maintains its frequency over the specified temperature range. Load capacitance impacts the crystal's resonance frequency and must match the circuit requirements for optimal performance.
The ABS07-32.768KHZ-T crystal from Abracon combines a low-profile SMD package with a broad operating temperature range and tight frequency tolerance, making it suitable for a wide range of applications. Its seam-sealed ceramic package provides excellent environmental and heat resistance, ensuring reliable operation under challenging conditions. Whether used in commercial measuring equipment, wireless communications, or timekeeping devices, this crystal offers a balance of performance, reliability, and compactness.