SP0503BAHTG 3-Channel TVS Diode Array / ESD Protection (5V, SOT-143)

Build an invisible shield around your sensitive microcontrollers and data ports with the SP0503BAHTG Transient Voltage Suppressor (TVS) array. When you plug a cable into a custom drone Flight Controller, or touch the exposed pins of an IoT sensor hub, the static electricity from your fingers can instantly destroy fragile 3.3V or 5V logic chips. This microscopic "bodyguard" IC sits right at the connector and instantly shunts high-voltage electrostatic discharge (ESD) spikes harmlessly to ground before they can reach your processor.

What makes this specific chip incredibly useful is its 3-channel configuration packed into a tiny SOT-143 package. With a single component, you can simultaneously protect the D+, D-, and VBUS lines of a USB port, or the RX, TX, and 5V lines of a telemetry module. Featuring a low capacitance design, it protects your circuits without distorting high-speed digital signals, making it an absolute necessity for any professional-grade DIY electronics, Arduino shields, or Raspberry Pi carrier boards.

Key Features:

• 3-Line Protection: A single chip safely guards up to three independent data or power lines, drastically reducing component count on your PCB.

• Bulletproof ESD Immunity: Safely absorbs massive electrostatic strikes (compliant with IEC 61000-4-2 standards), preventing sudden death of expensive microcontrollers.

• 5V Working Voltage: Perfectly optimized for standard 5V USB logic, as well as modern 3.3V I2C, SPI, and UART communication buses.

• Low Capacitance: Designed to maintain signal integrity, ensuring high-speed data transfers (like USB 2.0) remain clean and uninterrupted.

Specifications:

• Part Number: SP0503BAHTG

• IC Type: TVS Diode Array / ESD Protection

• Working Voltage (Vrwm): 5V

• Number of Channels: 3 Lines

• Package Type: SOT-143 (SMD/SMT)