### BAV99-AL6-R Electronic Component Overview The **BAV99-AL6-R** is a high-speed switching diode configured in a common series connection. It is widely used in signal processing and circuit protection due to its fast switching capabilities and small footprint. --- ### 1. Key Technical Specifications | Parameter | Symbol | Value | Unit | | :--- | :--- | :--- | :--- | | **Configuration** | - | Dual Series (Common) | - | | **Continuous Reverse Voltage** | $V_R$ | 70 | V | | **Peak Repetitive Reverse Voltage** | $V_{RRM}$ | 100 | V | | **Forward Continuous Current** | $I_F$ | 215 | mA | | **Reverse Recovery Time** | $t_{rr}$ | 4 | ns | | **Total Capacitance** | $C_T$ | 1.5 | pF | | **Power Dissipation** | $P_D$ | 225 - 350 | mW | --- ### 2. Functional Description The BAV99 consists of two diodes connected in series within a single package. In the context of the **AL6-R** suffix (often associated with specific manufacturers like UTC - Unisonic Technologies), it typically comes in a **SOT-23** or similar small-outline package. #### Pin Configuration (Standard SOT-23): 1. **Pin 1:** Anode of Diode 1 2. **Pin 2:** Cathode of Diode 2 3. **Pin 3:** Common Connection (Cathode 1 / Anode 2) --- ### 3. Core Applications * **High-Speed Switching:** Due to the 4ns recovery time, it is ideal for high-frequency signal switching. * **ESD & Overvoltage Protection:** The series configuration allows the device to clamp positive and negative voltage spikes on signal lines to the supply rails ($V_{CC}$ and GND). * **Signal Steering:** Used in logic circuits to direct signals while maintaining low capacitance to prevent signal distortion. --- ### 4. Part Number Breakdown (Suffixes) * **BAV99:** Base part number for a dual high-speed switching diode. * **AL6:** Often refers to the specific package type (e.g., SOT-26 or a specific SOT-23 variant depending on the manufacturer). * **R:** Generally indicates "Tape and Reel" packaging for automated SMT assembly. --- ### 5. Equivalent/Alternative Parts If the BAV99-AL6-R is unavailable, the following are common equivalents: * **MMBD914** (Single diode equivalent) * **BAV70** (Common Cathode configuration) * **BAW56** (Common Anode configuration)