## AS09208AR-R: Electronic Part Specifications The **AS09208AR-R** is a high-quality, weather-resistant micro speaker manufactured by **PUI Audio**. It is part of their "AS" series, designed for applications where space is limited but moisture protection and acoustic clarity are required. ### 1. General Overview | Attribute | Specification | | :--- | :--- | | **Manufacturer** | PUI Audio | | **Type** | Dynamic Speaker (Moving Coil) | | **Shape** | Rectangular | | **Special Feature** | Waterproof / Weather Resistant | | **Compliance** | RoHS Compliant | --- ### 2. Technical Specifications The following table highlights the critical electrical and mechanical parameters of the AS09208AR-R: | Parameter | Value | | :--- | :--- | | **Impedance** | 8 Ohms ± 15% | | **Rated Input Power** | 0.5 Watts | | **Maximum Input Power** | 0.8 Watts | | **Resonant Frequency (Fo)** | 850 Hz ± 20% | | **Frequency Range** | 850 Hz ~ 20,000 Hz | | **Sound Pressure Level (SPL)** | 84 dB ± 3dB (at 0.1W / 0.1M) | | **Magnet Material** | NdFeB (Neodymium) | | **Operating Temperature** | -20°C to +60°C | --- ### 3. Key Physical Characteristics * **Dimensions:** Approximately 9mm x 20mm. * **Height:** Ultra-slim profile (8mm depth), making it ideal for handheld devices. * **Housing:** Plastic frame with a specialized diaphragm designed to resist water ingress. * **Terminals:** Solder pads for wire attachment or direct PCB integration. --- ### 4. Common Applications Due to its small footprint and environmental resistance, this part is frequently used in: 1. **Handheld Radios:** Where voice clarity is needed in outdoor conditions. 2. **IoT Devices:** Smart doorbells or outdoor sensors. 3. **Medical Instrumentation:** Equipment that may require light cleaning or exposure to fluids. 4. **Wearable Technology:** Where sweat resistance and small size are mandatory.