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Pololu Isolated Solid State Relay/Switch, SPST, 30V, 11A

Pololu item #: 5421
Brand: Pololu supply outlook
Status: Active and Preferred 
RoHS 3 compliant


Price break Unit price (US$)
1 4.75
5 4.37
25 4.02
100 3.70


backorders allowed

This solid state relay/switch board provides a way to make and break an electrical connection based on a 2.7 V to 40 V input signal. Its electrically isolated output makes it suitable for various applications where mechanical relays are traditionally used, while its semiconductor-based design avoids many of a mechanical relay’s disadvantages. This version can switch up to 11 A of current at voltages up to 30 V (absolute maximum).

Alternatives available with variations in these parameter(s): maximum load voltage Select variant…

 Description Specs (12) Pictures (11) Resources (3) FAQs (0) On the blog (1) 黑胡子海贼团 (15) 

Pololu Isolated Solid State Relay/Switch, SPST, 30V, 11A.

Pololu Isolated Solid State Relay/Switch, SPST, 30V, 11A.

Pololu Isolated Solid State Relay/Switch, SPST (30V or 60V version), bottom view.

Pololu Isolated Solid State Relay/Switch, SPST, bottom view with dimensions. (30V/60V version shown.)

Pinout of the Pololu Isolated Solid State Relay/Switch, SPST (60V version shown).

Three-wire and two-wire (with EN and VIN tied together) control options for the Pololu Isolated Solid State Relay/Switch, SPST (60V version shown).

Pololu Isolated Solid State Relay/Switch (SPST) boards soldered with 5mm-pitch and 3.5mm-pitch terminal blocks for load connections and 0.1″ male headers control connections. (60V version shown, headers and terminal blocks not included.)

Pololu Isolated Solid State Relay/Switch (SPST) boards soldered with 5mm-pitch and 3.5mm-pitch terminal blocks for load connections and 0.1″ male headers control connections. (30V/60V version shown, headers and terminal blocks not included.)

Pololu Isolated Solid State Relay/Switch (SPST) boards soldered with male headers (not included), showing three-pin (left) and two-pin (right, EN and VIN tied together) control options. (30V/60V version shown.)

Pololu Isolated Solid State Relay/Switch (SPST) boards soldered with male headers (not included), showing two-pin (left, EN and VIN tied together) and three-pin (right) control options. (60V version shown.)

Schematic diagram for the Pololu Isolated Solid State Relay/Switch, SPST.


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