APT2X31_30D20J
053-4058 Rev A 1-2004
4
3
1
2
5
5
Zero
1
2
3
4
diF/dt - Rate of Diode Current Change Through Zero Crossing.
IF - Forward Conduction Current
IRRM - Maximum Reverse Recovery Current.
trr - Reverse
R
ecovery Time, measured from zero crossing where
diode
Qrr - Area Under the Curve Defined by IRRM and trr.
current goes from positive to negative, to the point at which the straight
line through I
RRM
and 0.25 I
RRM
passes through zero.
Figure 9. Diode Test Circuit
Figure 10, Diode Reverse Recovery Waveform and Definitions
0.25 IRRM
PEARSON 2878
CURRENT
TRANSFORMER
diF/dt Adjust
30µH
D.U.T.
+18V
0V
Vr
trr/Qrr
Waveform
APT20M36BLL
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Anode 1
31.5 (1.240)
31.7 (1.248)
Dimensions in Millimeters and (Inches)
7.8 (.307)
8.2 (.322)
30.1 (1.185)
30.3 (1.193)
38.0 (1.496)
38.2 (1.504)
14.9 (.587)
15.1 (.594)
11.8 (.463)
12.2 (.480)
8.9 (.350)
9.6 (.378)
Hex Nut M4 H100
(4 places)
0.75 (.030)
0.85 (.033)
12.6 (.496)
12.8 (.504)
25.2 (0.992)
25.4 (1.000)
1.95 (.077)
2.14 (.084)
Anode 2
Anti-parallel Parallel
Cathode 1
r = 4.0 (.157)
(2 places) 4.0 (.157)
4.2 (.165)
(2 places)
W=4.1 (.161)
W=4.3 (.169)
H=4.8 (.187)
H=4.9 (.193)
(4 places)
3.3 (.129)
3.6 (.143)
Cathode 2
Anode 1
Cathode 2 Anode 2
Cathode 1
APT2X30D20J APT2X31D20J
SOT-227 Package Outline