Maximum Ratings
Operating Temperature: -40 C to +175
Storage Temperature: -40 C to +175
Part Number Maximum
Recurrent
Peak Reverse
Voltage
Maximum
RMS Voltage
Maximum DC
Blocking
Voltage
Electrical Characteristics @ 25 Unless Otherwise Specified
Average Forward
Current IF(AV) 200A
TC =126
Peak Forward Surge
Current IFSM 1500A
8.3ms,
half
sine
Maximum
Instantaneous
Forward Voltage
Maximum Thermal
Resistance Junction
To Case
(Per Pkg)
FST20035
FST20040
FST20045 45V
40V
35V
32V
28V
25V
45V
40V
35V
(Per leg)
(Per leg)
Features
High Surge Capability
Types Up to 45V VRRM
SCHOTTKY DIODES MODULE TYPE 200A
FST20020
THRU
FST20045
200Amp Rectifier
20-45 Volts
VF 0.70V
IR
mA TJ = 25
R j c C/W
mA
4
600 TJ = 125
1.0
T
J = 25
IFM =100
A;
Pulse Test: Pulse Width 300usec,
Duty Cycle 2%
NOTE :
(1) <
NOTE (1)
Voltage (Per leg)
Maximum
Instantaneous
Reverse Current At
Rated DC Blocking
NOTE (1)
FST20020 20V 14V 20V
DIMENSIONS
INCHES MM
DIMMIN MAX MIN MAX NOTE
A¼
B
C.495 12.57
D
E
F
G
37.90
J
1.495
2.90
M
----- -----
N
P
.300 .325 7.62 8.26
.114
JJ
HH
KK
PPGG
FF
H
R
K
L
Q
1.995
.182
.990
2.390
.240
.890
.490
.330
.175
.445
.035
2.005
.505
.192
1.010
2.410
1.525
.122
0.420
.260
.510
.350
.195
.045
.455
.910
50.67
60.71
25.15
4.62
6.10
22.61
11.30
0.89
4.45
8.38
12.45
50.93
12.83
4.88
26.65
61.21
38.70
3.10
8.90
12.95
6.60
10.67
4.95
1.14
11.56
23.11
DD
AA
BB
EE
LL
CC
RR
MM
QQ
NN
POWER MOD
TO-249AB
PIN 1
PIN 2
PIN 2 and Plate
123
Transys
Electronics
LI
M
ITE
D
AvErage
ForwArd Rectified Current - AmPeres
Case Te mperature -
Figure .2-Forward Derating Curve
0180
30 60 90 120
0
40
150
InStantaneous
Forward Current
- Amperes
Instantaneous Forward Voltage - Volts
Figure .1-Typical Forward Characteristics
Amps
Volts
1100
4
250
500
8
Figure Peak Forward Surge Current
Peak
Forward Surge Current -
Amperes
Number Of Cycles At 60Hz - Cycles
Cycles
2610 20 60 80
40
Amps
Amps
750
1000
1250
0
0 0.2 0.4 0.6 0.8 1.0 1.2
60
20
FST20020 THRU FST20045
80
100
120
Per leg
Per leg
Per leg
1500
2.0
4.0
6.0
10
20
40
100
60
200
400
600
1000
1.0 Figure .4-Typical Reverse Characteristics
Reverse Voltage - Volts
Volts
Tj =125 C
T
J=25
T
J=75
Tj =150 C
40
60
200
100
.1
.2
.4
.6
1
2
4
6
10
20
400
600
.04
.06
1000
.02
T
J=25
Single Phase, Half Wave
60Hz Resistive or Inductive Load
.3-
10 20 30 40
050
Amps
m
Instantaneous
Reverse
Leakage
Current - Mill mperes
A
8.3ms Single Half
Sine Wave
JEDEC method
T
J=25
