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APT30D40HCT Datasheet, PDF (4/4 Pages) Advanced Power Technology – ULTRAFAST SOFT RECOVERY RECTIFIER DIODES
Vr
30µH
D.U.T.
APT30D40HCT
trr/Qrr
Waveform
+15v
0v
-15v
diF/dt Adjust
PEARSON 411
CURRENT
TRANSFORMER
Figure 9, Diode Reverse Recovery Test Circuit and Waveforms
1 IF - Forward Conduction Current
2
diF/dt
-
Current
Current
Slew Rate, Rate of Forward
Change Through Zero Crossing.
3 IRRM - Peak Reverse Recovery Current.
1
Zero
4 trr - Reverse Recovery Time Measured from Point of IF
{ } Current Falling Through Zero to a Tangent Line 6 diM/dt
Extrapolated Through Zero Defined by 0.75 and 0.50 IRRM.
2
5 Qrr - Area Under the Curve Defined by IRRM and trr.
6 diM/dt - Maximum Rate of Current Change During the Trailing Portion of trr.
4
6
5
3
0.5 IRRM
0.75 IRRM
Qrr = 1/2 (trr . IRRM)
Figure 10, Diode Reverse Recovery Waveform and Definitions
21.21 (.835)
20.70 (.815)
TO-258AA Package Outline
1.14 (.045)
0.88 (.035)
TO-258AA (Revised 3/1/90)
17.65 (.695)
17.39 (.685)
13.84 (.545)
13.58 (.535)
17.96 (.707)
17.70 (.697)
8.89 (.350)
8.63 (.340)
4.19 (.165)
3.94 (.155)
19.05 (0.750)
12.70 (0.500)
3.56 (.140) BSC
6.86 (.270)
6.09 (.240)
1.65 (.065) Dia. Typ.
1.39 (.055) 3 Leads
5.08 (.200) BSC
Dimensions in Millimeters and (Inches)
Anode 1
Common Cathode
Anode 2
APT Reserves the right to change, without notice, the specifications and information contained herein.