Description Specifications The Okystar SFM-27 is an active piezoelectric buzzer designed to produce a loud and clear continuous tone for audible alerts. It features a self-contained design with a built-in oscillator, requiring only a DC power source for operation.Key Features- Wide Operating Voltage: Functions reliably across a broad 3V to 24V DC power supply range.- High-Volume Output: Generates a powerful, continuous sound signal of at least 95 dB at a frequency of approximately 3.1 kHz.- Simple Integration: The built-in drive circuit means it only needs power to activate, simplifying electronic designs.- Durable Construction: Housed in a robust ABS plastic casing designed for easy panel mounting.ApplicationsIts loud output and simple two-wire operation make this buzzer ideal for use in alarm systems, notification panels, industrial equipment, and various electronic devices requiring a distinct audible indicator. Model: SFM-27SKU: OKYN220420-19Type: Piezoelectric active buzzerOperating Voltage Range: 3 - 24V DCRated Voltage: 12V DCRated Current: Resonant Frequency: 3100 ± 500 HzSound Pressure Level: ≥ 95 dB (at 10 cm)Sound Type: ContinuousOperating Temperature: -20°C to 60°CMounting Type: Panel, flangeDiameter: 29 mmHeight: 15 mm
