CAN Bus Isolation Comparison Chart

CAN bus networks in industrial, automotive, and medical environments face real electrical threats: ground loops, EMI, and voltage spikes that disrupt communication and damage equipment. This chart compares two isolation solutions side by side — from isolation voltage and CAN FD speed to power supply and physical specs — so you spend less time researching and more time building.


GC-CAN-3KV-ISOLATOR PCAN-Optoadapter
Product identification
SKU GC-CAN-3KV-ISOLATOR GC-CAN-OPTO-ISO
MPN GC-CAN-3KV-ISOLATOR IPEH-002038
Manufacturer Grid Connect PEAK-System
Isolation
Isolation technology Digital isolator (TI ISO6721) DC/DC converter (galvanic)
Isolation voltage 3,000 V 500 V
Ground loop elimination Yes Yes
EMI / RFI immunity Yes Yes
CAN interface
CAN specification ISO 11898-2 (CAN 2.0A, 2.0B, CAN FD) ISO 11898-2 (CAN 2.0A, 2.0B, CAN FD)
Standard CAN bit rate 5 kbit/s – 1 Mbit/s 5 kbit/s – 1 Mbit/s
CAN FD max data rate 5 Mbit/s 2 Mbit/s
Transceiver IC TCAN1462 NXP PCA82C251
Signal delay ~80 ns ~80 ns
Connectors
Connector type DB9 — 1× male, 1× female DB9 — 1× male, 1× female
Pin standard PEAK-System compatible CiA® 106
Bus termination — primary side 120 Ω 120 Ω (fixed)
Bus termination — secondary side None None
Power supply
Primary power source USB-C (+5 V) Pin 1 of DB9 female (+5 V from CAN interface)
Max current draw 500 mA 100 mA
Indicators
Status LED Blue (power) Green (power)
Configuration required No No
Mechanical
L × W × H (mm) 67.6 × 35.6 × 18.8 63 × 34 × 17
Weight (g) 10 25
Enclosure Plastic Plastic
Environment
Operating temperature −40°C to +85°C −40°C to +85°C
Storage temperature −40°C to +100°C −40°C to +100°C
Relative humidity 15–90%, non-condensing 15–90%, non-condensing
Installation warning Install with device power OFF — damage can occur if connected live

Receive 10% off your next web order when you Subscribe to our Newsletter