GigaBlox Rugged -40°C to +100°C GigaBit Switch

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  • Buy 25 - 49 and get 4% off
  • Buy 50 - 99 and get 6% off
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The Smallest Industrial Gigabit Ethernet Switch

GigaBlox Rugged is a very small layer 2 unmanaged and managed ethernet switch that fits four 10/100/1000Mbps copper ethernet ports in an ultra-compact 50mm x 55mm form factor. GigaBlox Rugged is designed to be a more rugged and more capable upgrade to our GigaBlox product and is designed for space, weight and price-sensitive (SWaP) industrial, mobile and military applications.

GigaBlox Rugged has an input voltage range of 10V to 60V with transient, overvoltage, and reverse polarity protection on board, meaning it can be dropped directly into a system powered by unregulated bus voltage. This wide input voltage range is particularly advantageous in motor control systems where additional voltage headroom is required due to motor voltage transients.

The -40°C to +105°C ambient operation range is achieved by using automotive/military-grade components whose operation is rated for -40°C to +125°C.

Annotations of GigaBlox Rugged showing programmable RGB, automotive chip, voltage input range, port connectors and port activity LEDs

Annotations of GigaBlox Rugged showing programming header and onboard flash

GigaBlox Rugged does not require any configuration and works “out-the-box” as an unmanaged layer 2 switch. More advanced management features are also possible thanks to the powerful embedded VSC7512 ethernet switch IC from Microsemi. Such features can be enabled by customizing the boot image using reference software from Microchip. 

Initial performance tests for GigaBlox Rugged can be found here.

GigaBlox Rugged supports jumbo frames up to 9,000 bytes, meaning it works well with GigE Vision cameras.

Block Diagram

Block diagram of the rugged gigabit ethernet switch

(Please note, the previous SKU of this board was BB-GGR-C-1)


 Input Voltage Range 8-60V (reverse protected)
Power Consumption 1W (Idle), 4W (Max)
Ports 4 x 10/100/1000Mb ports
Operating Temperature -40 to +100°C
Storage Temperature -55 to +125°C
Dimensions 50mm x 55mm x 16.2mm


Supported protocols 10/100/1000BASE-T
Number of PHY Ports 4 x 10/100/1000BASE-T non-blocking ports
Number of non-PHY ports 1 x 1G SGMII, 1 x 2.5G SGMII
Frame buffer Jumbo frame support up to 9600 bytes
Packet buffer 1.75Mbits
Boot image VSC6825 unmanaged software (openly available), F5 unmanaged, loaded onto onboard IS25LQ040B flash
Programming method SPI Flash programming via Tag-Connect 10 pin header or STM32L011D4P7 programming
Indicator LEDs 4 x Onboard LEDs and broken out onto header, 1 x RGB (controlled by STM32)
HS Tariff Code 8517620000

Covered under the BotBlox Supply Guarantee Program

This board is covered by our supply guarantee, which guarantees availability and low lead times until at least 2028. Read more about the BotBlox Supply Guarantee Program.

Custom Cables

All our boards are shipped with the required 0.3 meter power and data cables included, so you do not need to purchase extra cables. However if you need custom cable lengths for your application, you can order those here


Electronics > Networking
Digi-Key (International distributor):