Active Buzzer 3v/5v/12v/16r Tmb12a03 Tmb12a05 Tmb12a12.

Key Features ⦁ Type: Active buzzer (self-driven, no external oscillation needed) ⦁ Operating Voltage: 3.3V – 5V DC ⦁ Sound Type: Continuous tone when powered ⦁ Sound Pressure Level: ≥ 85 dB at 10 cm ⦁ Frequency Range: 2–4 kHz (typical 2.7 kHz) ⦁ Current Consumption: ≤ 30 mA ⦁ Mounting: Through-hole or header pin connection ⦁ Dimensions: Approx. 27mm × 22mm × 11mm