The **RB751V40L-CC2-R** is a specific surface-mount Schottky barrier diode. It is widely used for high-speed switching and low-voltage rectification applications where space and efficiency are critical. --- ### ## 1. Technical Specifications The following table summarizes the key electrical and physical characteristics of the component: | Parameter | Symbol | Value | Unit | | :--- | :--- | :--- | :--- | | **Maximum Repetitive Peak Reverse Voltage** | $V_{RRM}$ | 40 | V | | **Maximum Average Forward Rectified Current** | $I_{O}$ | 30 | mA | | **Maximum Peak Forward Surge Current** | $I_{FSM}$ | 200 | mA | | **Maximum Forward Voltage** (at $I_F = 1mA$) | $V_F$ | 0.37 | V | | **Maximum Reverse Current** (at $V_R = 30V$) | $I_R$ | 0.5 | $\mu A$ | | **Operating Junction Temperature** | $T_j$ | -55 to +125 | °C | | **Package Type** | DFN / SOD | DFN1006-2L | - | --- ### ## 2. Key Features * **Low Forward Voltage ($V_F$):** Reduces power loss and heat generation, making it ideal for battery-powered devices. * **High Reliability:** The "L" and "CC2" suffixes often denote specific lead-free (RoHS compliant) or halogen-free manufacturing standards. * **Ultra-Small Footprint:** Housed in a DFN1006-2L (also known as 0402 inch size) package, which is essential for modern compact electronics like smartphones and wearables. * **Fast Switching:** As a Schottky diode, it has negligible reverse recovery time ($t_{rr}$), allowing it to operate efficiently in high-frequency circuits. --- ### ## 3. Typical Applications The RB751V40L is typically found in the following circuit types: 1. **Level Shifters:** Used to protect inputs from voltage spikes or to shift signal levels. 2. **Reverse Polarity Protection:** Protecting low-power sensitive ICs from accidental battery reversal. 3. **Clamping Circuits:** Used in high-speed data lines to limit voltage excursions. 4. **Signal Detection:** In RF or high-speed communication modules due to its low capacitance. --- ### ## 4. Marking and Ordering Information The part number can be broken down to understand its lineage: * **RB751:** The base series for ROHM-style Schottky barrier diodes. * **V40:** Indicates the 40V maximum reverse voltage rating. * **L:** Often indicates "Low" profile or specific lead-free plating. * **CC2-R:** Denotes the packaging style (Tape and Reel) and specific cathode orientation/lead frame details.