16x Isolated Solid State Relay Phidget

Product Code: REL1101_1

16x Isolated Solid State Relay Phidget
16x Isolated Solid State Relay Phidget
16x Isolated Solid State Relay Phidget
16x Isolated Solid State Relay Phidget
Brand: Phidgets

GST inclusive


Availability: 1 In Stock

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The REL1101 is a PWM-enabled solid state relay. The relay is great for controlling LED strips, DC motors, power relays, fans, and other small circuits. Solid-state relays switch silently and quickly, and last much longer than mechanical relays. This Phidget connects to your computer through a VINT Hub.


  • Sixteen Solid-State Relays
  • Low-Side Switching - Each solid state relay switches to ground when enabled
  • Control power for a circuit or device up to a maximum of 30V and 8A
  • Pulse-width modulation - useful for dimmable electronics such as LEDs or fans
  • Controllable frequency for the pulse width modulation on ports 0-7
  • VINT connection is isolated, improving stability by eliminating potential ground loops
  • Failsafe Protection can be enabled to turn off the device if your program becomes unresponsive



Open Collector Digital Output Guide

Open collector digital outputs behave like a solid-state relay that switches a line to ground. Learn more here.

VINT Upgrades

VINT Upgrades

Second generation VINT devices have increased communication speeds, longer Phidget cables, and improved electrical immunity. Learn more here.


Cable Length Calculator Guide

Second generation VINT devices can now extend up to 50 meters from a VINT Hub. Learn more here.

Product Specifications

Board Properties
Controlled By VINT
VINT Communication Speed Max 100 kbit/s
Current Consumption Min 4 mA
Current Consumption Max 45 mA
Relay Properties
Number of Relays 16
Contact Resistance Max 35 mΩ
Turn-off Time Max 100 ns
Switch Type Low Side MOSFET Switch
Turn-on Time Max 100 ns
PWM Frequency Max 20 kHz
PWM Frequency Min 100 Hz
Duty Cycle Resolution 0.5 %
Electrical Properties
Load Current Max (DC) (per channel) 8 A
Load Voltage Max (DC) (per channel) 30 V DC
Switching Power Max (Real) * 240 W
Isolation Voltage (DC) 3.8 kV DC
Physical Properties
Recommended Wire Size 16 - 26 AWG
Operating Temperature Min -40 °C
Operating Temperature Max 85 °C
Customs Information
Canadian HS Export Code 8536.41.00
American HTS Import Code 8536.41.00.50
Country of Origin CN (China)

* Note: At switching powers powers higher than 50W, external cooling may be required. For high power applications, a hockey-puck style SSR may be more appropriate. See the "Other Relays" tab for more details.

Cable Length Calculator

For information on how to use this calculator, visit our Cable Length Calculator Guide

Select VINT Hub






Wire Gauge (AWG) Max Phidget Cable Length (m)
26 27.5
22 50.0
18 50.0

* The maximum USB cable length is 5 meters.


Product History

Date Board Revision Device Version Comment
June 2017 0 102 Product Release
May 2019 0 110 Added failsafe timer functionality
April 2021 1 100 Added frequency control for PWM on ports 0-7
April 2021 1 200 Same as above; corrected device version number
August 2021 1 201 PWM frequency is now more stable across varying duty cycle; Improved general stability
April 2022 1 212
  • Failsafe now resets from any successful packet being sent
  • Fixed a bug that occured when setting frequency from attach handler
  • Fixed a bug where timers remained active after closing the channel
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