Rectifier Type
Filter Type
Approximate Secondary RMS Current
Full Wave Center Tap
Full Wave Bridge
Capacitor Input
Choke Input
Power Transformer
Small Toroid Transformers
Class: Ambient + Rise
Open Frame Impregnated May 13, 2008
Sealed Encapsulated
Hermetic Metal Cased
Grade Type of Component
Custom Transformers
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Method of Approximating Secondary
AC Current Requirements
Since transformers may be used in many possible configurations, the current ratings shown above are AC-RMS secondary winding currents. When selecting the "Secondary Amp" rating, the conversion chart shown below may be helpful.
Rectifier Type Filter Type Approximate Secondary
RMS Current
Full Wave
Center Tap
Choke Input .7 times DC Current
Full Wave
Center Tap
Capacitor Input 1.2 times DC Current
Full Wave
Bridge
Choke Input Equal to DC Current
Full Wave
Bridge
Capacitor Input 1.8 times DC Current
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Secondary AC Current Requirements
 
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