CM315-32.768KDZY-UT Crystals, Oscillators, Resonators

Series:	CM315
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	kHz Crystal (Tuning Fork)
Frequency:	32.768kHz
Frequency Stability:	--
Frequency Tolerance:	±20ppm
Load Capacitance:	7pF
ESR (Equivalent Series Resistance):	70 kOhms
Operating Mode:	Fundamental
Operating Temperature:	-40°C ~ 85°C
Ratings:	--
Mounting Type:	Surface Mount
Package / Case:	2-SMD, No Lead
Size / Dimension:	0.126" L x 0.059" W (3.20mm x 1.50mm)
Height - Seated (Max):	0.035" (0.90mm)

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Crystals Crystals are materials that vibrate at very specific frequencies when an electrical signal is applied to them. They are used in many different types of applications and are especially useful in devices such as clocks and timing devices, communication devices, and electrical sensors where accuracy and reliability are essential.One type of crystal is called CM315-32.768KDZY-UT. This is a quartz crystal with a frequency of 32,768 kHz and a tolerance of ±20 ppm. It is a through-hole, thermally stable device and is hermetically sealed for reliable operation and long life. This crystal is suitable for use in a wide range of applications, including watches and clocks, remote control systems, medical instrumentation, and other precision instruments.The CM315-32.768KDZY-UT crystal has several distinct properties that make it a reliable choice in certain applications. First, this crystal can be operated over a wide temperature range (-20 °C to 75 °C) and is incredibly stable, so it can tolerate both sudden and gradual changes in temperature and environment. Second, it emits a precise frequency of 32.768 kHz and has high frequency accuracy, so it is suitable for devices that need precise timing. in Additionally, it has very high resistance to aging and moisture, so it will not drift off frequency over time or become damaged by environmental elements.The CM315-32.768KDZY-UT crystal works by applying an electrical current to the quartz crystal in a way that causes it to vibrate at its natural frequency. This vibration produces an output signal, which is typically combined with a gear mechanism to create a precise timing device. In devices that measure time or need to maintain clock accuracy, such as watches, clocks, remote controls, or medical instrumentation, the CM315-32.768KDZY-UT crystal is an ideal choice due to its high frequency accuracy, stability, and durability.In order to understand the working principle of the CM315-32.768KDZY-UT crystal, it is important to understand a few concepts about quartz crystals. A quartz crystal consists of two electrodes separated by an interlayer. When a voltage is applied to the electrodes, the crystal starts to vibrate at its natural frequency. This frequency is determined by the structural properties of the interlayer, which consists of a quartz dielectric material.The CM315-32.768KDZY-UT crystal vibrates at 32.768 kHz and creates a precision output signal. This signal is then transformed into a sequence of pulses with a gear mechanism, creating a precise timing reference. The gear mechanism is connected to the oscillator crystal and takes the output signal from the crystal and converts it to a sequence of pulses with accurate timings for measurement. The frequency of the pulses is determined by the crystal and is typically very accurate and stable, even over a wide temperature range.The CM315-32.768KDZY-UT crystal is an extremely reliable and accurate quartz crystal designed specifically for precision timing applications. It can withstand a wide temperature range and has very high frequency accuracy and stability. Moreover, it is durable and highly resistant to aging and moisture, making it suitable for long-term use in precision industrial applications.

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