Schottky PowerMod 'OR'ing Rectifier
FST15515
1
2
3
Common Cathode
A
C
E
F
G
H
J
K
L
M
N
P
1.995
0.495
0.990
2.390
1.490
0.120
---
0.240
0.490
0.040
0.175
0.032
A
N 4-PLCS.
Dim. Inches
Millimeter
Minimum Maximum Minimum Maximum Notes
2.005
0.506
1.010
2.410
1.510
0.130
0.400
0.260
0.510
.050
0.195
0.052
50.67
12.57
25.15
60.71
37.85
3.05
---
6.10
12.45
1.02
4.45
0.81
50.93
12.83
25.65
61.21
38.35
3.30
10.16
6.60to Lead C
L
12.95
Square
1.27
Dia
4.95
1.32
C
1
L
P
1.200
9 Pins eq at .150
F
G
J
2
3
E
K
1
2
3
A=Common Anode
H
M
Notes:
Baseplate: Nickel plated copper;
electrically isolated
Pins: Nickel plated copper
Industry
Part Number
155CMQ015
1
2
3
D=Doubler
Microsemi
Catalog Number
FST15515*
Working Peak Repetitive Peak
Reverse Voltage Reverse Voltage
15V
15V
Schottky Barrier Rectifier
Low Forward Voltage Drop
Guard Ring for Reverse Protection
15V @ 75A/leg
Electrically isolated base
ROHS Compliant
*Add Suffix A for Common Anode, D for Doubler
Electrical Characteristics
IF(AV) 75 Amps
Average forward current per leg
IF(AV) 150 Amps
Average forward current per pkg
IFSM
Maximum surge current per leg
1000 Amps
IR(OV) 2 Amps
Max repetitive peak reverse current per leg
VFM
0.48 Volts
Max peak forward voltage per leg
VFM
0.36 Volts
Max peak forward voltage per leg
IRM
Max peak reverse current per leg
5 mA
VISOL 1000VDC
Minimum Isolation Voltage
C
4600 pF
Typical junction capacitance per leg
J
T C = 107°C
T C = 107°C
8.3 ms, half sine T J = 150°C
f = 1 KHz, 25°C, 1µsec Square wave
I FM = 75A: T J = 25°C *
I FM = 75A: T J = 150°C*
VRRM, T J = 25°C
any terminal to base
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 150°C
1.0°C/W
Junction to case
0.5°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
FST15515
Figure 1
Typical Forward Characteristics
1000
800
600
Junction Capacitance - pF
400
20000
10000
6000
4000
2000
1000
0.1
Figure 3
Typical Junction Capacitance
200
150 C
25 C
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
150
140
130
120
110
100
90
80
90
0
15
30
45
120 180
60
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
100 C
Average Forward Current - Amperes
Figure 5
Maximum Forward Power Dissipation
70
60
50
40
30
20
10
0
0
15
30
45
60
75
90
105 120 135 150
Average Forward Current - Amperes
90
120
180
DC
Figure 2
Typical Reverse Characteristics
10,000
Typical Reverse Current - mA
1000
100
150 C
125 C
10
1.0
0.1
100 C
75 C
25 C
0
2
4
6
8
10
12
14
16
18
20
Reverse Voltage - Volts
www.microsemi.com
January, 2010 - Rev. 2
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