Signal Consulting, LLC 

 Model Si7SDOIGD1-120V-20A


Single, 120V 20A Solenoid Driver with Optically Isolated Input and with Integrated Heat Sink


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 Si7SDOIGD1-120V-20A Features:
Power Semiconductors: One 90A MOSFET
Max. Continuous Current: 20A with  Heat Sink (as shown).
Max. Current for 5sec: 40A with Heat Sink  (as shown).
Overall Dimensions: 2.4" x 2.3" x 2.2" (61 x 58 x55mm).
Components Type: 100% Solid State, NO Relays

  A single Inductive Load (Coil or Solenoid) is turned on  or off by a digital control voltage VI1,G

 Switching Frequency: 0 to 10kHz (or min. switching period is 100 micro Sec with rise and fall time of approximately 5 micro Sec).

  The load current is off (zero) when 0< VI1,G<2.5V and the load current is on (20A max.) when 2.5V< VI1,G<15V

Control Input I1: This digital control input is optically isolated from the power source VP (Isolation Breakdown Voltage of 1000V). In addition, the control input (I1) is zener-diode protected and requires only 2mA input current at VI1,G=5V to turn the load-current fully on.

Load Isolation: The Load or coil must be isolated from the source voltage (VP)

  High Power-Efficiency: 98.5% typical, at 60V and 20A

On Board:
Filter Capacitors
VTS diodes
Snubber Circuit Ready
 

Voltage Requirement:
A single DC Source Voltage (unregulated) with any voltage value from 40V to 120V (for Vp). The Source Voltage must be greater than 40V and less than 120V.

 

 

 Si7SDOIGD1-120V-20A-2TOI, Spec Sheet  (PDF)


The Si7SDOIGD1-120V-20A is a Single, 120V 20A Solenoid Driver with an integrated heat sink that uses an optically isolated digital control voltage VI1,G (0 to 15V) to turn a load-current on or off in the 0 to 10kHz frequency range. This board requires a single 40V to 120V DC power source (unregulated and unfiltered) at a 0A to 20A current range to operate normally with a wide range of inductive loads (coils or Solenoids). This Source Voltage must be greater than 40V and less than 120V. The digital control input is zener-diode protected and optically isolated from the power source Vp  (with a breakdown voltage of 1000V); this input requires only 2mA current at (VIn,G=5V) to fully turn on the load current. This current is off (zero) when 0< VI1,G<2.5V and the load current is fully on (max.) when 2.5V< VI1,G<15V. Snubbing circuits and filter capacitors are included to suppress inductive switching transients. An onboard LED (red) is used to monitor the load-voltage. A small (2.4”x2.3”x1.0”) integrated finned heat sink is included with mounting hardware (as shown on the photograph) to operate at 20A or 2000W power levels. Higher power-levels can be achieved with more efficient heat-sinks. Please click on this link and read the Board Mounting Instructions and Heat Sink Selection Guide. Typical applications are: Inductive-Plunger Driver, SPST Solid State Relay, etc. This board can be configured to perform efficiently in many customized applications.

 A Typical Application of the Si7SDOIGD1-120V-20A

In this application, a high-current (20A at 120V) inductive load (coil or solenoid) is turned on and off by the optically isolated Digital Control Voltage VI1,G. The load current is off (zero) when 0< VI1,G<2.5V and the load current is on (max.) when 2.5V< VI1,G<15V. 

 


Si7SDOIGD1-120V-20A, Solenoid Driver with Optically Isolated Input an Heat Sink, 1 DC Loads at 120V, 20A
Price $209.00

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Availability: We usually ship in 2-3 business days.

      

 

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