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PCA82C251

Manufacturer: PHILIPS, NXP

CAN transceiver for 24 V systems

Partnumber Manufacturer Quantity Availability
PCA82C251 PHILIPS, NXP 477 In Stock

Description and Introduction

CAN transceiver for 24 V systems **Introduction to the PCA82C251 CAN Transceiver**  

The PCA82C251 is a high-performance CAN (Controller Area Network) transceiver designed to facilitate reliable communication in automotive and industrial applications. As a key interface between the CAN protocol controller and the physical bus, this component ensures robust data transmission while adhering to the ISO 11898-2 standard.  

Featuring high-speed operation up to 1 Mbps, the PCA82C251 is optimized for low electromagnetic emissions and excellent electromagnetic immunity, making it suitable for noise-sensitive environments. Its differential transmit and receive capabilities enhance signal integrity, reducing errors in harsh operating conditions.  

The device includes advanced protection mechanisms such as thermal shutdown, bus-line short-circuit protection, and transient voltage suppression, ensuring durability in demanding applications. Additionally, its low-power standby mode supports energy-efficient operation, aligning with modern power-saving requirements.  

Compatible with both 3.3V and 5V microcontrollers, the PCA82C251 offers flexibility in system design. Its compact package and reliable performance make it a preferred choice for automotive networks, industrial automation, and other CAN-based systems requiring dependable communication.  

Engineers value the PCA82C251 for its balance of speed, robustness, and efficiency, making it a critical component in modern networked control systems.

Application Scenarios & Design Considerations

CAN transceiver for 24 V systems

Alternative Part Number

  • TJA1050 --: Pin-compatible high-speed CAN transceiver from the same vendor, widely used as a direct drop-in replacement for PCA82C251 in 5V CAN networks.
  • MCP2551 --: Industry-standard 5V CAN transceiver with pinout and function matching PCA82C251, commonly substituted in automotive and industrial designs.
  • SN65HVD230 --: 3.3V CAN transceiver offering similar functionality; suitable when the system can operate at 3.3V and requires a lower-power alternative.
  • TJA1050 --: Pin-compatible high-speed CAN transceiver from NXP (former Philips semiconductor division), widely used as a direct replacement for PCA82C251 in 5V CAN systems.
  • MCP2551 --: Industry-standard 5V high-speed CAN transceiver with pinout and function compatible with PCA82C251, well supported and readily available.
  • SN65HVD230 --: 3.3V CAN transceiver offering similar CAN bus interface functionality; suitable when a lower supply voltage design is acceptable, with good availability and documentation.
  • TJA1050 --: Pin-compatible high-speed CAN transceiver from the same vendor, widely used as a direct substitute for PCA82C251 in 5V CAN networks.
  • MCP2551 --: Industry-standard 5V CAN transceiver with pinout and function matching PCA82C251, commonly used as a drop-in alternative.
  • SN65HVD230 --: 3.3V CAN transceiver offering similar CAN bus interface functionality; suitable when the design can accommodate a 3.3V supply instead of 5V.

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