9B20000442

Series:	9B
Packaging:	Bulk
Part Status:	Active
Type:	MHz Crystal
Frequency:	20MHz
Frequency Stability:	±30ppm
Frequency Tolerance:	±50ppm
Load Capacitance:	32pF
Operating Mode:	--
Operating Temperature:	-40°C ~ 85°C
Ratings:	--
Mounting Type:	Through Hole
Package / Case:	HC-49/US
Size / Dimension:	0.453" L x 0.197" W (11.50mm x 5.00mm)
Height - Seated (Max):	0.145" (3.68mm)

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Introduction

Crystals possess a variety of remarkable characteristics that can be utilized for a range of applications across different industries. 9B20000442 belongs to a class of crystals known as Piezoelectric Crystals, these crystals are capable of converting mechanical energy into electrical energy, or vice versa. In these crystals, electrical fields can cause mechanical strain, and mechanical strain can generate electrical charge. This key feature is what gives 9B20000442 its utility across a range of industries.

Piezoelectric Crystals and 9B20000442

Piezoelectric Crystals, such as 9B20000442, can be manufactured from a range of materials, including semi-conductive, electro-magnetic, and ferro-electric. These crystals are anisotropic crystals, meaning that some of their physical and electrical properties depend on the direction in which the crystal is applied. Examples of different types of piezo crystals include quartz, lithium-titanite, and lead-zirconate-titanite. 9B20000442 is a piezo crystal made from quartz, and is used primarily in electronics and electrical appliances.

Piezoelectricity

Piezoelectricity is the phenomenon by which electrical charge is generated in response to mechanical stress, or vice versa. This phenomenon is why crystals of piezoelectric materials such as 9B20000442 are able to convert electrical energy into mechanical energy, or vice-versa. Some materials are piezoelectric without needing to be subjected to a voltage, and others need to be subjected to a voltage before they exhibit piezoelectricity. 9B20000442 is a polarised crystal, meaning that it must be subjected to a voltage before being able to exhibit piezoelectricity. When a voltage is applied to a 9B20000442 crystal, several processes occur: the electric field creates a polarization of the crystal, which in turn creates mechanical strain in the crystal, and the mechanical strain generates an electrical charge. The generated electrical charge can then be collected and used for a variety of different applications in electronics and electrical appliances.

Applications

Piezoelectric crystals, such as 9B20000442, have a wide range of applications in a variety of industries. For example, 9B20000442 can be used in the production of pressure sensors, strain-gauges, and ultrasonic transducers. Pressure sensors are used in applications that require the measurement of a pressure or force, such as in medical equipment, pilot’s displays, automotive, and in industrial pressure sensing applications. 9B20000442 is perfect for this application, as the pressure being measured is converted into an electrical charge that is then measured by the pressure sensor and used accordingly. Strain-gauges are used in the monitoring and measurement of strain, such as in automotive suspension systems, bridges and aircraft engine components. They measure the strain by using a Sensor-Crystal Assemblies (SCAs) that contain 9B20000442 crystals, which convert the strain into an electrical charge. Ultrasonic transducers are transducer devices that are used to convert mechanical (sound) waves into electrical signals, and vice-versa. 9B20000442 can be used as the base material for ultrasonic transducers, due to its ability to convert electrical energy into mechanical energy.

Conclusion

Piezoelectric crystals are an important component in a range of industries, and 9B20000442 is a popular choice for many applications. It exhibits the same capabilities as other piezo crystals, but more importantly its polarised nature allows it to be used for a variety of applications. From pressure sensors to strain-gauges and ultrasonic transducers, 9B20000442 is an excellent choice for a huge variety of applications.

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