APT2X61S20J
Vr
+18V
0V
D.U.T.
30µH
trr/Qrr
Waveform
di
F
/dt Adjust
APT20M36BLL
PEARSON 2878
CURRENT
TRANSFORMER
Figure 9. Diode Test Circuit
1
2
3
4
I
F
- Forward Conduction Current
di
F
/dt - Rate of Diode Current Change Through Zero Crossing.
I
RRM
- Maximum Reverse Recovery Current.
Zero
1
4
5
3
2
trr -
Reverse
Recovery
Time, measured from zero crossing where diode
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.
Qrr - Area Under the Curve Defined by I
RRM
and trr.
0.25 IRRM
5
Figure 10, Diode Reverse Recovery Waveform and Definitions
SOT-227 Package Outline
31.5 (1.240)
31.7 (1.248)
7.8 (.307)
8.2 (.322)
W=4.1 (.161)
W=4.3 (.169)
H=4.8 (.187)
H=4.9 (.193)
(4 places)
11.8 (.463)
12.2 (.480)
8.9 (.350)
9.6 (.378)
Hex Nut M4 H100
(4 places)
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)
1.95 (.077)
2.14 (.084)
9-2004
14.9 (.587)
15.1 (.594)
30.1 (1.185)
30.3 (1.193)
38.0 (1.496)
38.2 (1.504)
Parallel
Cathode 1
APT2X61S20J
Anode 1
053-6044 Rev C
Dimensions in Millimeters and (Inches)
Cathode 2
Anode 2
ISOTOP
®
is a Registered Trademark of SGS Thomson. APT’s products are covered by one or more of U.S.patents 4,895,810 5,045,903 5,089,434 5,182,234 5,019,522
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