CAN Transceivers

The controller area network (CAN bus) in a vehicle is the internal communication control centre that relays information between the vehicle’s various electronic control units (ECUs). Each ECU needs a central processing unit (CPU), CAN transceiver and CAN controller to allow it to pass data to and from the CAN bus. 


What do CAN transceivers do?

The CAN transceiver connects the CAN controller to the CAN bus. Its main job is to translate the data from the bus so that the controller can read it, and vice versa. By ensuring the efficient running of the communication system, they help minimise the amount of current used. 


Types of CAN transceivers

The main distinction between different types of CAN transceivers is their speed:

  • Low-speed CAN transceivers allow data rates up to 125 kilobits per second
  • High-speed CAN transceivers allow for data rates of up to 1 megabit per second

The advantage of low-speed CAN transceivers is that they can tolerate a fault in one of the communication lines without the whole communication system failing.


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Description Price Maximum Data Rate Number of Transceivers Standard Supported Power Down Mode Maximum Supply Current Mounting Type Package Type Pin Count Dimensions Length Width Height Maximum Operating Supply Voltage Maximum Operating Temperature
New
RS Stock No. 184-9861
Mfr. Part No.BD41000AFJ-CE2
BrandROHM
SGD1.427
Each (On a Reel of 2500)
units
20kbit/s 1 - - 10 μA Surface Mount SOP-J 8 5.25 x 3.9 x 1.37mm 5.25mm 3.9mm 1.37mm 18 V +125 °C
New
RS Stock No. 185-0189
Mfr. Part No.BD41000AFJ-CE2
BrandROHM
SGD2.616
Each (In a Pack of 5)
units
20kbit/s 1 - - 10 μA Surface Mount SOP-J 8 5.25 x 3.9 x 1.37mm 5.25mm 3.9mm 1.37mm 18 V +125 °C
RS Stock No. 169-8914
Mfr. Part No.BD41030FJ-CGE2
BrandROHM
SGD1,629.97
1 Reel of 2500
Reel(s)
20kbit/s 1 - Standby 1 → 8 μA, 100 → 1000 μA, 200 → 2000 μA, 300 → 2000 μA Surface Mount SOP 8 4.9 x 6 x 1.65mm 4.9mm 6mm 1.65mm 27 V +125 °C
RS Stock No. 169-9329
Mfr. Part No.BD41030FJ-CGE2
BrandROHM
SGD1.049
Each (In a Pack of 10)
units
20kbit/s 1 - Standby 1 → 8 μA, 100 → 1000 μA, 200 → 2000 μA, 300 → 2000 μA Surface Mount SOP 8 4.9 x 6 x 1.65mm 4.9mm 6mm 1.65mm 27 V +125 °C