PGB1010603MR: Overview, Features, and Applications


The PGB1010603MR is a TVS (Transient Voltage Suppressor) diode array designed to protect sensitive electronics from voltage transients caused by lightning, inductive load switching, and electrostatic discharge. This specific TVS diode array is manufactured by Littelfuse. Here's an overview of its features and typical applications:


  • Type: TVS Diode Array
  • Package: 0603 (1608 Metric)
  • Manufacturer: Littelfuse



  1. TVS Array: The PGB1010603MR consists of multiple TVS diodes in a single package, providing protection for multiple data or power lines.

  2. High Surge Capability: Capable of efficiently clamping high-energy transients, safeguarding sensitive components against damage.

  3. Low Clamping Voltage: Offers low clamping voltage to prevent damage to protected circuits.

  4. Low Leakage Current: The diode array has low leakage current, minimizing power consumption and ensuring the integrity of the protected circuit.

  5. ESD Protection: Provides electrostatic discharge (ESD) protection for sensitive electronic devices.

  6. Space-Saving Design: The 0603 package denotes a small footprint, making it suitable for applications with space constraints.

  7. RoHS Compliant: The device is compliant with the Restriction of Hazardous Substances (RoHS) directive, ensuring environmental and human safety standards are met.


  1. Data Line Protection: Used to protect communication ports, data lines, and interfaces against voltage surges and ESD events.

  2. Power Line Protection: Often integrated into power supply circuits to safeguard against transient voltage spikes and surges.

  3. Ethernet and Communication Systems: Employed to protect Ethernet interfaces and communication systems from damaging voltage transients and ESD events.

  4. Industrial Control Systems: Incorporated in various industrial control and monitoring systems to ensure protection against transient events.

  5. Automotive Electronics: Utilized in automotive electronics to guard against transient voltage surges, especially in systems prone to voltage spikes, such as CAN bus lines, LIN bus lines, and communication interfaces.

  6. Portable Electronics: Integrated into devices such as smartphones, tablets, and portable consumer electronics to provide protection against voltage transients and ESD events.

  7. Medical Devices: Used in medical equipment to protect sensitive circuitry and ensure the safety and reliability of the electronic systems.

The PGB1010603MR TVS diode array provides comprehensive transient voltage and ESD protection in a compact design, making it suitable for a wide array of applications including data lines, power supplies, communication systems, and various electronics subjected to voltage transients and ESD events.