MLT-8530 - 8.5 x 3 mm Electromagnetic Passive Buzzer : 3V - 5V – SMD

The MLT-8530 Electromagnetic Passive Buzzer, a compact SMD component designed for seamless integration into small-scale devices. Measuring just 8.5 x 8.5 x 3 mm, this 3V to 5V buzzer delivers a crisp 80 dB sound output at 5V, perfect for audible alerts in timers, alarms, and DIY prototypes. As a passive buzzer, it requires an external square wave signal (optimal at 4 kHz) to produce customizable tones, offering flexibility for engineers and hobbyists alike. Its side-firing design and durable black casing ensure efficient sound projection, making the MLT-8530 a top pick for space-conscious PCB applications. Shop now and add reliable audio feedback to your next build!

Key Features

• Ultra-compact: 8.5 x 8.5 x 3 mm for tight PCB layouts
• Wide voltage range: 3V to 5V operation
• Clear sound: 80 dB at 5V (10 cm distance)
• Adjustable frequency: 2700 Hz resonant, 100 Hz to 10 kHz range
• Surface-mount (SMD) design with side sound emission
• Reliable performance: 16 ± 3 ohms coil resistance

Specifications

• Size: 8.5 x 8.5 x 3 mm
• Voltage Range: 3V - 5V
• Sound Pressure Level (SPL): 80 dB at 5V, 10 cm
• Resonant Frequency: 2700 Hz
• Frequency Range: 100 Hz - 10 kHz
• Coil Resistance: 16 ± 3 ohms
• Operating Temperature: -20°C to +70°C
• Mounting Type: Surface-mount (SMD)
• Sound Emission: Side-firing

Applications

The MLT-8530 SMD buzzer is perfect for a variety of projects, including:

• Consumer Electronics: Alarms in clocks, timers, and kitchen appliances
• Wearables: Audio notifications in smartwatches or fitness trackers
• DIY Projects: Arduino or Raspberry Pi-based sound modules
• Industrial Use: Warning signals in machinery or control panels
• Medical Devices: Alerts in portable diagnostic tools