SIT1051TK/3

The SIT1051TK/3 is a CAN transceiver chip. Equivalent alternatives include:
- TJA1051T/3 (NXP)
- SN65HVD251 (Texas Instruments)
- MCP2551 (Microchip)
- MAX3051 (Maxim Integrated)
These are drop-in replacements with similar CAN FD or high-speed CAN functionality. Verify pin compatibility and voltage requirements for your specific application.

The SIT1051TK/3 is a CAN transceiver IC designed for in-vehicle networks, compliant with ISO 11898-2/5.
- Pin Count: 8 pins (SOIC-8 package).
- Key Functions:
- TXD (Pin 1): Transmit data input (from microcontroller).
- GND (Pin 2): Ground connection.
- VCC (Pin 3): Supply voltage (typically 5V).
- RXD (Pin 4): Receive data output (to microcontroller).
- VIO (Pin 5): I/O voltage reference (optional, for logic-level matching).
- CANL (Pin 6): CAN bus low line.
- CANH (Pin 7): CAN bus high line.
- S (Pin 8): Standby mode control (low = active, high = standby).
It supports high-speed CAN (up to 1 Mbps) and features low-power standby mode, ESD protection, and fault detection.

The SIT1051TK/3 is a TO-263-5L (D²PAK) package type. It features a 5-lead design with a surface-mount configuration, commonly used for power applications due to its efficient thermal performance and compact size. The package includes a metal tab for heat dissipation, making it suitable for high-current and high-voltage applications.