BAT760 Independent 30V 1A 550mV Schottky Diode SOD-323

BAT760 Independent 30V 1A 550mV Schottky Diode SOD-323 is an exceptionally fast switching, low forward voltage drop diode crucial for enhancing the efficiency of modern miniaturized electronic circuits. This device features two independent (unconnected) Schottky diodes integrated into a tiny SOD-323 surface-mount package. Consequently, it offers excellent performance characteristics, including a low typical forward voltage (V_F) of just 550 mV at 1 A and a quick recovery time. These features make it highly suitable for high-frequency applications where speed and minimal power loss are paramount. Therefore, engineers frequently select the BAT760 to handle demanding tasks like voltage clamping, power rectification, and reverse polarity protection in compact, battery-powered systems.

Key Features:

• Low Forward Voltage Drop: Provides a typical forward voltage (V_F) of only 550 mV at 1 A, significantly reducing power dissipation and improving system efficiency.
• Fast Switching Speed: Features an extremely short reverse recovery time (t_rr), making it ideal for high-frequency switching and RF applications.
• Dual Independent Diodes: Incorporates two separate diodes within a single package, allowing flexible configuration for tasks like full-wave rectification or bridge circuits.
• High Current Capability: Handles a maximum continuous forward current (I_F) up to 1 A, which is robust for a small signal diode in this size class.
• Ultra-Compact Package: Utilizes the small SOD-323 surface-mount device (SMD) package, saving valuable space on dense printed circuit boards (PCBs).

Technical Specifications:

• Diode Type: Schottky Barrier Diode
• Configuration: Dual Independent
• Maximum Reverse Voltage (V_R): 30 V
• Maximum Forward Current (I_F): 1 A (Continuous)
• Maximum Peak Forward Current (I_FSM): 10 A (Non-repetitive pulse)
• Typical Forward Voltage (V_F): 550 mV at I_F = 1 A
• Maximum Reverse Leakage Current (I_R): ≤ 10 μA at V_R = 10 V
• Operating Junction Temperature (T_J): −55°C to +125°C

Mechanical Specifications:

• Package Type: SOD-323 (Surface Mount Device)
• Mounting: Surface Mount Technology (SMT)
• Lead Finish: Lead-free (Pb-free) plating
• Moisture Sensitivity Level (MSL): Level 1

Dimensions:

• Body Length (L): ≈ 1.7 mm
• Body Width (W): ≈ 1.25 mm
• Body Height (H): ≈ 0.95 mm (Extremely low-profile)
• Solder Pad Size: Requires custom pads designed for the SOD-323 footprint.

Pinout and Wiring:

• Pin 1 (Cathode 1): This is the cathode (negative) terminal of the first independent diode.
• Pin 2 (Anode 2): This is the anode (positive) terminal of the second independent diode.
• Pin 3 (Anode 1 / Cathode 2): This pin contains the anode of the first diode and the cathode of the second diode. The exact configuration must be checked against the specific datasheet for the manufacturer’s pin assignment.
• Wiring Note: Since the diodes are independent, you can wire them separately for parallel operation, voltage clamping, or as two distinct components. Always verify the cathode marking (often a line on the package) for polarity.

Datasheet Reference:

• Download Nexperia BAT760S Schottky Diode Datasheet

Commonly Used in:

• Portable Devices: Used extensively in smartphones, tablets, and wearable devices where battery life is critical.
• Switch-Mode Power Supplies (SMPS): Essential for high-frequency rectification in compact DC-DC converters and power management circuits.
• RF Circuits: Employed in mixers, detectors, and low-noise applications due to their high speed and low capacitance.

Applications:

• Reverse Polarity Protection: The low V_F effectively minimizes power loss when used to protect sensitive circuits from incorrect battery connection.
• Voltage Clamping & Protection: Furthermore, the diodes safely clamp signal lines to ground or V_CC to prevent electrostatic discharge (ESD) or transient voltage spikes.
• High-Speed Switching: Designers utilize these diodes in logic and signal processing circuits requiring sub-nanosecond response times.

Equivalent Models:

• RB751V-40 (ROHM): A very low V_F, low I_R Schottky diode in a similar package, often used as a direct alternative.
• BAS70 Series (ON Semi/Nexperia): A related family of low-forward-voltage Schottky diodes, though configurations and current ratings may vary slightly.
• 1N5711 (Legacy): Although a much older part, the BAT760 offers far superior modern performance, however, it serves the same general function.

Package Includes:

• 1 x BAT760 Dual Independent Schottky Diode (SOD-323)