APT2X101_100D40J
Vr
+18V
0V
D.U.T.
30µH
trr/Qrr
Waveform
di
F
/dt Adjust
APT50M50L2LL
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)
Anti-parallel
Parallel
APT2X100D40J
Anode 2
APT2X101D40J
Anode 1
Cathode 1 Cathode 1
053-4007 Rev E
Dimensions in Millimeters and (Inches)
®
Cathode 2
Anode 1
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
5,262,336 6,503,786 5,256,583 4,748,103 5,283,202 5,231,474 5,434,095 5,528,058 and foreign patents. US and Foreign patents pending. All Rights Reserved.