Ceramic Resonators

What is a Ceramic Resonator?
A Ceramic Resonator is sometimes referred to a dielectic resonator, they are commonly used for timing devices which create a clock signal. This type of signal oscillates between a high and low state using a piece of piezoelectric ceramic, connected to two or more electrodes. A resonator usually has a built in capacitor to help save space on a printed circuit board.

How do Ceramic Resonators work?
When connected in an electronic oscillating circuit, a ceramic resonator will vibrate, generating an oscillating signal with a specific frequency. Like the similar crystal oscillator, they're used to generate a clock signal to control the timing in oscillating circuits.

What are Ceramic Resonators used for?
The properties and components of Ceramic Resonators make them particularly useful in a broad range of applications. They are mainly used as a source of a clock signal for microprocessors. Ceramic Resonators are ideal for applications where the precision of the frequency may not be so important, such as microprocessors. They're also commonly used in:

• Communications equipment
• Automotive electronics
• TVs
• Medical/healthcare equipment
• Telephones
• Toys
• Personal computing
• Household appliances
• Radios

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Description Price Resonance Frequency Frequency Tolerance Mode of Oscillation Load Capacitance Resonance Resistance Frequency Ageing Frequency Stability Mounting Type Package Type Pin Count Dimensions Height Length Maximum Operating Temperature
RS Stock No. 702-7318
Mfr. Part No.PBRV4.91HR50Y000
Each (In a Pack of 10)
4.91MHz ±0.5% - 30pF - - ±0.5% Surface Mount SMD 3 7.4 x 3.4 x 2mm 2mm 7.4mm 125°C
RS Stock No. 390-873
Mfr. Part No.PBRC5.00HR50X000
Each (In a Pack of 10)
5MHz ±0.5% - - - - ±0.5% Surface Mount SMD 3 7.4 x 3.4 x 2mm 2mm 7.4mm 85°C