ROHS Compliant
FST15035*
FST15040*
FST15045*
40V
35V
Thermal and Mechanical Characteristics
35V
40V
Storage temp range
Operating junction temp range
Max thermal resistance per leg
Max thermal resistance per pkg.
Mounting torque
15-20 inch pounds
T
T
O
O
R
R
Weight
2.5 ounces (71 grams) typical
STG
J
JC
CS
-55°C to 150°C
-55°C to 175°C
1.0°C/W
Junction to case
Case to sink
Repetitive Peak
Reverse VoltageReverse Voltage
Working Peak
Catalog Number
Microsemi
Schottky PowerMod
FST15035 - FST15045
Average forward current per leg
F(AV)
I
75 Amps
C = 72°C, Square wave, 0JC = 1.0°C/W
T
R
*
*Pulse test: Pulse width 300µsec, Duty cycle 2%
R
RRM, J = 25°C
I
Max peak reverse current per leg
RM
2 mA
V
T
**
T
I
T
T
T
T
T
V
V
I
R = 5.0V, J = 25°C
RRM, J = 125°C
FM = 75A: J = 25°C
FM = 75A: J = 125°C
f = 1 KHz, 25°C, 1µsec Square wave
8.3 ms, half sine J = 150°C
C = 72°C, Square wave, 0JC = 0.5°C/W
2700 pF
500 mA
.64 Volts
.60 Volts
2 Amps
1000 Amps
150 Amps
V
FM
Max peak forward voltage per leg
Max repetitive peak reverse current per leg
R(OV)
I
C
I
V
I
I
J
RM
FM
FSM
F(AV)
Typical junction capacitance per leg
Max peak reverse current per leg
Max peak forward voltage per leg
Maximum surge current per leg
Average forward current per pkg
Electrical Characteristics
*Add Suffix A for Common Anode, D for Doubler
Typical thermal resistance (greased)
Junction to case
0.5°C/W
JC
R
O
0.1°C/W
45V 45V
Common Cathode
A=Common Anode
D=Doubler
Baseplate: Nickel plated copper;
M
9 Pins eq at .150
1.200
H
L
G
F
electrically isolated
Pins: Nickel plated copper
K
Notes:
J
P
1
2
1
2
C
1
32
A
N 4-PLCS.
E
1
2
Square
to Lead C
Minimum Maximum Minimum Maximum Notes
12.8312.57
0.495
C
0.506
1.010
0.052
0.195
0.130
0.260
0.510
0.400
1.510
2.410
K
3
N
P
M
L
3
G
J
H
F
E
0.240
0.175
0.032
0.040
0.490
0.990
---
0.120
1.490
2.390
25.15
0.81
4.45
1.02
37.85
3.05
6.10
12.45
---
60.71
.050
6.60
1.27
1.32
4.95
12.95
25.65
3.30
10.16
38.35
61.21
2.005
Dim. Inches
3
A
1.995
Millimeter
50.67 50.93
L
Dia
Industry
Part Number
150CMQ035
150CMQ040
150CMQ045
Reverse Energy Tested
Electrically isolated base
Schottky Barrier Rectifier
Center tap
V
RRM 35 to 45 Volts
Low forward voltage
Guard Ring for Reverse Protection
January, 2010 - Rev. 2
www.microsemi.com
25 C
Instantaneous Forward Voltage - Volts
Instantaneous Forward Current - Amperes
1000
800
600
400
200
100
80
60
40
20
10
8.0
6.0
4.0
2.0
1.0
Figure 1
Figure 2
50
100
5.0
10
1.0
0.5
10000
6000
4000
2000
1000
600
400
200
100
Figure 3
0.1
Junction Capacitance - pF
100
10
1.0
0.1
Reverse Voltage - Volts
10
20 30 40
Reverse Voltage - Volts
50
.01
Typical Reverse Current - mA
125 C
75 C
25 C
FST15035 - FST15045
Typical Forward Characteristics - Per Leg
Typical Junction Capacitance - Per Leg
Typical Reverse Characteristics - Per Leg
.1
.3 .5 .7 .9
1.1
1.3 1.5
1000
100 C
0
125 C
105
Maximum Allowable Case Temperature - C
100
Average Forward Current - Amperes
45
0
60
75
90
20
10
30 40 50
90
60
120
70 80
180
90
DC
Forward Current Derating - Per Leg
150
120
135
Figure 4
January, 2010 - Rev. 2
www.microsemi.com
