Kingtronics Blog

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Features

• Low-cost, industry-standard crystal unit
• AT-Cut strip crystal with hermetically sealed can
• Frequency range 3.200MHz to 90.00MHz
• Package height options available

Description

HC-49S crystals share the same base outline as the industry standard HC49 crystal. The crystal uses at AT-cut strip crystal with an hermetically sealed can. HC-49S crystals provide a low cost source of system clock frequency.

Multilayer ceramic capacitors with silver/palladium (Ag/Pd)terminations have often been used in medical applications where non-magnetic components are required, for example in MRI equipment. The use of conventional nickel barrier terminations is not suitable due to nickel exhibiting magnetic properties.

However, RoHS requirements have dictated the use of lead-free solders, and the composition of these solders has resulted in an increase in soldering temperatures. This has caused solder leaching problems for the Ag/Pd termination, and meant alternative terminations have had to be found.

This copper barrier termination is offered with selected nonmagnetic C0G/NP0, High Q and X7R dielectrics, providing a fully non-magnetic component.

To view the data sheet, including the range of capacitance values, please click http://www.kingtronics.com/pdf/Kingtronics-Tantalum-and-Ceramic-Capacitors-Cross-Reference.pdf