Computer · Rectifiers
When choosing between a Full-wave center-tapped Rectifier and a Full-Wave Bridge Rectifier for a high-voltage application, why is the Bridge Rectifier often technically superior regarding diode specifications?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1For the same DC output voltage, the diodes in a Bridge Rectifier only need a Peak Inverse Voltage (PIV) rating of Vm, whereas the Center-tapped version requires 2Vm.✓
- 2The Bridge Rectifier requires a transformer with a center tap, which reduces stray inductance.
- 3The Bridge Rectifier has a lower ripple frequency, making it easier to filter.
- 4The Bridge Rectifier allows the use of smaller capacitors in the shunt filter.
Correct answer
For the same DC output voltage, the diodes in a Bridge Rectifier only need a Peak Inverse Voltage (PIV) rating of Vm, whereas the Center-tapped version requires 2Vm.
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