Voltage-Controlled SPST Switch

Official

Passives

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Generic

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Curated by CircuitSim

Voltage-Controlled SPST Switch schematic symbol
Details

Manufacturer

Generic


Part number


Pins

4


Used in

No circuits


Added

Jul 2026

About this component

A four-terminal single-pole single-throw switch whose contact resistance changes when the differential control voltage crosses the configured thresholds.

Parameters

Basic settings
4 parameters
ParameterNameDescriptionDefault

VON

On-state voltage

Differential control voltage at or above which the switch uses the on resistance.

5 V

VOFF

Off-state voltage

Differential control voltage at or below which the switch uses the off resistance.

0 V

RON

On resistance

Contact resistance used when the differential control voltage is at or above the on threshold.

10m

ROFF

Off resistance

Contact resistance used when the differential control voltage is at or below the off threshold.

1M

Pins

Pins
4 pins
NumberNameDescription

1

CTRL-

Negative control input for the differential switch control voltage.

2

CTRL+

Positive control input for the differential switch control voltage.

3

IN

First terminal of the switched contact path.

4

OUT

Second terminal of the switched contact path.

Public circuits using this component

No public circuits are using this component yet.

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