ALLNET 122181 Resistor 120 Ohm CAN Bus Termination

The ALLNET 122181 is a high-quality 120 Ohm resistor specifically designed for terminating CAN (Controller Area Network) bus systems. This passive termination component ensures reliable signal integrity and reduces reflections on CAN networks, making it an essential accessory for industrial automation, automotive, and embedded systems applications. The resistor is pre-wired with a D-sub 9 male connector, allowing for easy inline installation.

Advantages

This CAN bus termination resistor offers several key benefits: it provides precise 120 Ohm resistance with ±5% tolerance, ensuring compliance with ISO 11898 standards. The compact inline design with a D-sub 9 male connector simplifies integration into existing networks. Its robust plastic housing and wide operating temperature range (-20°C to +70°C) make it suitable for demanding environments.

Suitable for

• Terminating CAN bus networks in industrial control systems
• Automotive diagnostic and communication networks
• Embedded systems and microcontroller projects using CAN protocol
• Building automation and sensor networks

Key specifications

• Resistance Value: 120 Ohm
• Tolerance: ±5%
• Bus Type: CAN (Controller Area Network)
• Standard: ISO 11898
• Termination Type: Passive
• Connector: D-sub 9 Male
• Pinout: Resistor between CAN_H (Pin 7) and CAN_L (Pin 2)
• Number of Resistors: 1
• Mounting: Inline / Cable Mount
• Housing Material: Plastic
• Color: Black
• Operating Temperature: -20°C to +70°C
• Power Rating: <0.5W (typical)

Recommendations

For optimal CAN bus performance, always terminate both ends of the network with 120 Ohm resistors. This ALLNET resistor is a reliable choice for ensuring proper signal termination and minimizing data errors.