APT40GF120JRDDYNAMIC CHARACTERISTICS (FRED)SymbolCharacteristicMINTYPMAXUNIT t Reverse Recovery Time, I = 1.0A, di /dt = -15A/µs, V = 30V, T = 25°C rr1 70 85 F F R J t Reverse Recovery Time T = 25°C rr2 70 J t I = 60A, di /dt = -480A/µs, V = 650V T = 100°C 130 ns rr3 F F R J t Forward Recovery Time T = 25°C 170 fr1 J t I = 60A, di /dt = 480A/µs, V = 650V T = 100°C 170 fr2 F F R J I Reverse Recovery Current T = 25°C 18 30 RRM1 J Amps I I = 60A, di /dt = -480A/µs, V = 650V T = 100°C 29 40 RRM2 F F R J Q Recovery Charge T = 25°C 630 rr1 J nC Q I = 60A, di /dt = -480A/µs, V = 650V T = 100°C 1820 rr2 F F R J Vfr1 Forward Recovery Voltage T = 25°C 12 J Volts Vfr2 I = 60A, di /dt = 480A/µs, V = 650V T = 100°C 12 F F R J Rate of Fall of Recovery Current T = 25°C 900 J dIM/dt A/µs I = 60A, di /dt = -480A/µs, V =650V T = 100°C 600 F F R J Vr D.U.T. t 30µH rr/Qrr Waveform PEARSON 411 +15v CURRENT di /dt Adjust F TRANSFORMER 0v -15v Figure 17, Diode Reverse Recovery Test Circuit and Waveforms1 I - Forward Conduction Current F 12 di /dt - Current Slew Rate, Rate of Forward 46 F Current Change Through Zero Crossing. Zero 3 I - Peak Reverse Recovery Current. RRM 54 t 3 rr - Reverse Recovery Time Measured from Point of IF 0.5 IRRM Current Falling Through Zero to a Tangent Line { 6 diM/dt} 0.75 I Extrapolated Through Zero Defined by 0.75 and 0.50 I . RRM RRM 25 Qrr - Area Under the Curve Defined by IRRM and trr. Qrr . I = 1/2 (trr RRM) 6 diM/dt - Maximum Rate of Current Change During the Trailing Portion of t rr. Figure 18, Diode Reverse Recovery Waveform and Definitions 052-6256 Rev B 7-2002