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01-01-2014, 08:33 PM
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Selenium rectifier Spice model
Did some current and voltage drop measurements on a selenium rectifier that I had laying around, and did some curve fitting to create a 3f4 Spice model. the diode was marked "RCA 752652" and has 6 fins.
* seleniumdiode CircuitMaker model .SUBCKT Xrca752652 P K Bp P K I=(12.42276354/1.0e4)*uramp((V(P,K)*0.55)+(-2.938702085))^2.4 .ends Xrca752652 The curve as I saw and plotted it: Not that you're going to use selenium rectifiers in a new design, but so you can compare a modern silicon diode circuit with an existing selenium diode circuit.
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Last edited by wa2ise; 01-01-2014 at 08:55 PM. 
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