Vr
APT2X30/2X31D40J
D.U.T.
30µH
trr/Qrr
Waveform
+15v
di
F
/dt Adjust
0v
-15v
PEARSON 411
CURRENT
TRANSFORMER
Figure 9, Diode Reverse Recovery Test Circuit and Waveforms
1
2
3
4
I
F
- Forward Conduction Current
di
F
/dt - Current Slew Rate, Rate of Forward
Current Change Through Zero Crossing.
Zero
I
RRM
- Peak Reverse Recovery Current.
trr - Reverse Recovery Time Measured from Point of I
F
3
Current Falling Through Zero to a Tangent Line
{
6
diM/dt
}
Extrapolated Through Zero Defined by 0.75 and 0.50 I
RRM
.
5
0.5 IRRM
0.75 IRRM
2
Qrr = 1/2
(
trr . I
RRM
)
1
4
6
5
6
Qrr - Area Under the Curve Defined by I
RRM
and trr.
diM/dt - Maximum Rate of Current Change During the Trailing Portion of trr.
Figure 10, Diode Reverse Recovery Waveform and Definitions
APT Reserves the right to change, without notice, the specifications and information contained herein.
SOT-227 Package Outline
11.8 (.463)
12.2 (.480)
W=4.1 (.161)
W=4.3 (.169)
H=4.8 (.187)
H=4.9 (.193)
(4 places)
8.9 (.350)
9.6 (.378)
Hex Nut M4 H100
(4 places)
31.5 (1.240)
31.7 (1.248)
7.8 (.307)
8.2 (.322)
r = 4.0 (.157)
(2 places)
4.0 (.157)
4.2 (.165)
(2 places)
25.2 (0.992)
0.75 (.030) 12.6 (.496) 25.4 (1.000)
0.85 (.033) 12.8 (.504)
3.3 (.129)
3.6 (.143)
14.9 (.587)
15.1 (.594)
30.1 (1.185)
30.3 (1.193)
38.0 (1.496)
38.2 (1.504)
1.95 (.077)
2.14 (.084)
Anti-parallel
Parallel
APT2X30D40J
APT2X31D40J
Anode 2
Cathode 1 Cathode 2
Anode 2
053-4003 Rev D
Dimensions in Millimeters and (Inches)
Cathode 2
Anode 1
Cathode 1
Anode 1
ISOTOP
®
is a Registered Trademark of SGS Thomson.