For high-quality internal buzzers, look to the RS PRO range. These continuous, fast-pulse buzzers deliver a clear tone and come in a space-saving unit, meaning they're a versatile choice.

With an operating range of 6 V dc and 28 V dc, these buzzers are compatible with most consumer appliances. They draw a 29 mA supply current to produce a continuous and fast pulsing 92 dB tone, which is loud enough to cut through loud environmental noise. All of this comes in a compact, panel-mount design measuring 42.5 mm. The buzzer units also feature FASTON terminals, so wires can be easily connected and crimped onto them without the need to solder.

They conform to the ANSI/ESD S20.20:2014 and BS EN 61340-5-1:2007 Electrostatic Control Standards so they've been protected from harmful electrostatic discharges while being handled and packaged. You'll find buzzers such as these in devices such as microwaves and doorbells.

• Piezo buzzer with a continuous, fast pulsed tone
• Panel mounting
• Minimum supply voltage of 6 V DC
• Maximum supply voltage of 28 V DC
• 92 dB sound level
• Internal drive
• Diameter of 42.5 mm
• Height of 33 mm
• Operating temperature range of -30°C to +85°C
• Supply current of 29 mA
• Minimum frequency of 2300 Hz
• Maximum frequency of 3.3 kHz

RS PRO is our own brand range and brings you a wide range of high-quality, great value products offering you more choice. Trusted by engineers all over the world, every part of every RS PRO product has been rigorously tested against demanding industry standards