The **BAS70CG-AE3-R** is a high-frequency, surface-mount Schottky barrier diode. It is commonly utilized in high-speed switching, circuit protection, and signal clamping applications. --- ### 1. General Specifications The following table highlights the key electrical and physical characteristics of the component: | Feature | Description | | :--- | :--- | | **Component Type** | Schottky Barrier Diode | | **Configuration** | Single Diode | | **Package Type** | SOT-23 (Surface Mount) | | **Forward Current ($I_F$)** | 70 mA | | **Reverse Voltage ($V_R$)** | 70 V | | **Forward Voltage ($V_F$)** | ~0.41V @ 1mA / 1.0V @ 15mA | | **Reverse Recovery Time ($t_{rr}$)** | < 5.0 ns | | **Operating Temperature** | -55°C to +150°C | --- ### 2. Key Features and Benefits * **Low Forward Voltage:** The Schottky construction ensures a low voltage drop, which improves efficiency in low-power applications. * **Ultrafast Switching:** With a recovery time under 5ns, it is ideal for high-frequency signal processing and RF applications. * **High Reverse Voltage:** A 70V rating provides a significant safety margin for standard 5V, 12V, and 24V logic circuits. * **Small Footprint:** The SOT-23 package is standardized for automated assembly and space-constrained PCB designs. --- ### 3. Common Applications The BAS70CG is versatile and found in various electronic circuits: 1. **Clamping Circuits:** Protecting sensitive IC inputs from overvoltage transients. 2. **Mixers and Detectors:** Used in RF stages for signal detection due to low capacitance and fast response. 3. **Reverse Polarity Protection:** Protecting low-current circuits against battery reversal. 4. **Logic Steering:** Directing signals in digital circuits with minimal delay. --- ### 4. Part Number Breakdown (UTC Convention) Usually, parts from manufacturers like Unisonic Technologies (UTC) follow this naming logic: * **BAS70:** Base part number (70V Schottky). * **CG:** Often denotes specific electrical grades or lead-free/halogen-free status. * **AE3:** Refers to the **SOT-23** package type. * **R:** Indicates **Tape and Reel** packaging for automated pick-and-place machines.