Back to results
US 5,294,843 AGranted
Freewheeling diode circuit
AssigneeSemikron Elektronik GmbH & Co. KG
InventorsWerner Tursky, Josef Lutz
Life of this patent
Estimating the term…
Abstract
A freewheeling diode device (10) for a commutation branch includes a first diode (12) with a soft recovery behavior and a second diode (14) with a snappy recovery behavior. The second diode (14) is connected in parallel to the first diode (12).
Claims24
A freewheeling diode device for a commutation branch comprising
- a common anode terminal;
- a first freewheeling diode with a soft recovery behavior and having a first anode and having a first cathode wherein the first anode is connected to the common anode terminal;
- a second freewheeling diode with a snappy recovery behavior and having a second anode and a second cathode, wherein the second anode is connected to the common anode terminal;
- a common cathode terminal connected to the first cathode and connected to the second cathode such that the second freewheeling diode is connected in parallel to the first freewheeling diode.
1 more element
A freewheeling diode device for a commutation branch including a switchable device element, wherein
- the freewheeling diode device (10) includes a first diode (12) with a soft recovery behavior and a second diode (14) with a snappy recovery behavior, wherein the second diode (14) is connected in parallel to the first diode (12).
A method for minimizing switching losses in freewheeling diodes, comprising
- furnishing a common anode terminal;
- connecting a first anode of a first freewheeling diode with a soft recovery behavior to the common anode terminal;
- connecting a second anode of a second freewheeling diode with a snappy recovery behavior to the common anode terminal;
- connecting a common cathode terminal to a first cathode of the first freewheeling diode;
- connecting the common cathode terminal to a second cathode of the second freewheeling diode such that the second freewheeling diode is connected in parallel to the first freewheeling diode.
2 more elements
Dependencies are inferred from the claim text.