FST17140 - FST17150
A
N 4 Places
Schottky PowerMod
Dim. Inches
1
2
3
Common Cathode
Millimeters
Min.
50.67
7.62
12.57
4.62
25.15
60.71
37.85
3.05
---
6.10
12.45
8.38
4.45
0.89
22.61
Min.
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
1.995
0.300
0.495
0.182
0.990
2.390
1.490
0.120
---
0.240
0.490
0.330
0.175
0.035
0.890
Max.
2.005
0.325
0.505
0.192
1.010
2.410
1.510
0.130
0.400
0.260
0.510
0.350
0.195
0.045
0.910
Max.
Notes
C
1
3
E
B
L
R
D
P
F
G
J
M
K
1
2
3
A=Common Anode
H
1
2
3
D=Doubler
Notes:
Baseplate: Nickel plated copper
Pins: Nickel plated copper
50.93
8.26
12.83
4.88
Dia.
25.65
61.21
38.35
3.30
10.16
6.60 to Lead C
L
12.95
8.90
Dia.
4.95
1.14
23.11
Microsemi
Catalog Number
FST17140*
FST17145*
FST17150*
Working Peak
Reverse Voltage
40V
45V
50V
Repetitive Peak
Reverse Voltage
40V
45V
50V
Schottky Barrier Rectifier
Guard Ring for Reverse Protection
High Surge Capacity
V RRM - 40 to 50 Volts
Reverse Energy Tested
ROHS Compliant
*Add Suffix A for Common Anode, D for Doubler
Electrical Characteristics
IF(AV) 170 Amps
Average forward current per pkg
IF(AV) 85 Amps
Average forward current per leg
IFSM
Maximum surge current per leg
1200 Amps
IR(OV) 2 Amps
Max repetitive peak reverse current per leg
VFM
.58 Volts
Max peak forward voltage per leg
VFM
.74 Volts
Max peak forward voltage per leg
IRM
Max peak reverse current per leg
60 mA
IRM
Max peak reverse current per leg
2 mA
C
Typical junction capacitance per leg
2300 pF
J
T C = 120°C, Square wave, R 0JC = 0.425°C/W
T C = 115°C, Square wave, R 0JC = 0.85°C/W
8.3 ms, half sine T J = 175°C
f = 1 KHz, 25°C, 1µsec Square wave
I FM = 80A: T J = 175°C*
I FM = 80A: T J = 25°C *
VRRM, T J = 125°C *
VRRM, T J = 25°C
VR = 5.0V, T J = 25°C
*Pulse test: Pulse width 300µsec, Duty cycle 2%
Thermal and Mechanical Characteristics
Storage temp range
Operating junction temp range
Max thermal resistance per leg
Max thermal resistance per pkg.
Typical thermal resistance (greased)
Mounting torque
Weight
T STG
TJ
R OJC
R OJC
R OCS
-55°C to 175°C
-55°C to 175°C
0.85°C/W
Junction to case
0.425°C/W Junction to case
Case to sink
0.1°C/W
15-20 inch pounds
2.5 ounces (71 grams) typical
www.microsemi.com
January, 2010 - Rev. 2
FST17140 - FST17150
Figure 1
Typical Forward Characteristics - Per Leg
1000
800
600
400
Junction Capacitance - pF
175 C
25 C
Figure 3
Typical Junction Capacitance - Per Leg
10000
6000
4000
2000
1000
600
400
200
100
0.1
200
100
80
60
40
Instantaneous Forward Current - Amperes
0.5
1.0
5.0
10
50
100
Reverse Voltage - Volts
Figure 4
Forward Current Derating - Per Leg
175
165
155
145
135
125
115
105
60 90
0
15
30
45
60
120 180
75
90
DC
105 120 135 150
20
10
8.0
6.0
4.0
2.0
1.0
0
.2
.4
.6
.8
1.0
1.2
1.4
Instantaneous Forward Voltage - Volts
Maximum Allowable Case Temperature - C
Maximum Power Dissipation - Watts
175 C
Average Forward Current - Amperes
Figure 5
Maximum Forward Power Dissipation - Per Leg
105
90
75
60
45
30
15
0
0
15
30
45
60
75
90
105 120 135 150
Average Forward Current - Amperes
60
180
120
90
DC
Figure 2
Typical Reverse Characteristics - Per Leg
100
Typical Reverse Current - mA
10
1.0 125 C
0.1
75 C
.01
.001
25 C
0
10
20
30
40
50
Reverse Voltage - Volts
www.microsemi.com
January, 2010 - Rev. 2