Qspeed Diodes

Qspeed™ diodes have the lowest QRR of any Silicon diode. Their recovery characteristics increase efficiency, reduce EMI and eliminate snubbers. These features help designers improve the performance of their power conversion circuits.

Compare Qspeed Products

H-SeriesUltra-fast silicon diode600 V3 A to 12 A5.9 nC to 8.9 nC
Q-SeriesFast silicon diode, with superb EMI behavior150 V, 200 V, 300 V, 600 V3 A to 40 A5 nC to 61 nC
X-SeriesFast silicon diode with balanced EMI and switching speed600 V3 A to 20 A21 nC to 51 nC


Two 200 V diodes, LQ10N200CQ and LQ20N200CQ, are AEC-Q101 qualified for automotive use, offering the perfect solution for in-car audio amplification applications.