Product 7BB-20-3 from Murata Electronics North America is a standard buzzer element with a frequency of 3.6 kHz and a diameter of 20 mm. It has a resistance of 500 ohms and is typically used in a variety of applications, such as alarms, timers, and other electronic devices.

The buzzer element is made of a piezoelectric material, which means that it can generate sound when an electrical voltage is applied to it. The frequency of the sound is determined by the thickness and shape of the piezoelectric material. The 7BB-20-3 buzzer element has a frequency of 3.6 kHz, which is a relatively high-pitched sound.

The buzzer element is also very small and lightweight, making it ideal for use in portable devices. It is also very durable and can withstand a wide range of temperatures and operating conditions.

Here is a more detailed description of the 7BB-20-3 buzzer element:

• Frequency: 3.6 kHz
• Diameter: 20 mm
• Resistance: 500 ohms
• Operating voltage: 3 V to 12 V
• Operating temperature: -20°C to +85°C
• Storage temperature: -30°C to +85°C

The 7BB-20-3 buzzer element is typically used in the following applications:

• Alarms: The buzzer element can be used to generate a loud alarm sound to alert users of a potential problem.
• Timers: The buzzer element can be used to generate a sound to indicate that a timer has expired.
• Electronic devices: The buzzer element can be used to generate a sound to indicate various events, such as the pressing of a button or the completion of a task.

Here are some specific examples of how the 7BB-20-3 buzzer element can be used:

• In a smoke detector, the buzzer element can be used to generate a loud alarm sound to alert users to a fire.
• In a microwave oven, the buzzer element can be used to generate a sound to indicate that the cooking time has expired.
• In a toy, the buzzer element can be used to generate a sound to indicate that a button has been pressed or that a task has been completed.

Overall, the 7BB-20-3 buzzer element is a versatile and reliable component that can be used in a variety of applications. It is small, lightweight, and durable, and it can generate a loud, high-pitched sound.