A1
K
N
2-PLCS.
E
L
M
3 PINS eq sp at .200
G
J
C
H
FST8230SM
A2
Schottky MiniMod
Dim. Inches
3
Millimeter
Minimum Maximum Minimum Maximum Notes
1
2
F
1
2
3
1
2
3
Common Cathode
SM3 & SM4
A3
1
2
3
A=Common Anode
3
SM1 & SM2
B
D
1
2
A1
A2
A3
B
C
D
E
F
G
H
J
K
L
M
N
1.490
1.020
.695
.110
.027
.100
.350
.015
.695
.088
.240
1.180
.230
.065
.151
1.510
1.040
.715
.120
.037
.110
.370
.025
.715
.098
.260
1.195
.250
.085
.161
37.85
26.12
17.65
2.79
0.69
2.54
8.89
0.38
17.65
2.24
6.10
29.97
5.84
1.65
3.84
38.35
26.42
18.16
3.04
0.94
2.79
9.40
0.64
18.16
2.49
6.60
30.35
6.35
2.16
4.09
B
D
SM5 & SM6
1
2
3
D=Doubler
TYP. PIN CONFIGURATION
FOR SM1, SM3, & SM5
TYP. PIN CONFIGURATION
FOR SM2, SM4, & SM6
Dia.
Note: Baseplate Common with Pin 2
Working
Peak Reverse
Voltage
2
30V
Repetitive
Peak Reverse
Voltage
30V
Schottky Barrier Rectifier
Guard Ring Protection
2X40 Amperes avg.
150°C Junction Temperature
FST8230SM 1
Reverse Energy Tested
Low Forward Voltage
NOTE: 1 SPECIFY (1-6) TO IDENTIFY PACKAGE DESIRED
2 SPECIFY C-COMMON CATHODE, A-COMMON ANODE, D-DOUBLER
ROHS Compliant
Microsemi
Catalog Number
Electrical Characteristics
I F(AV) 80 Amps
Average forward current per pkg
I F(AV) 40 Amps
Average forward current per leg
I FSM 800 Amps
Maximum surge current per leg
Max repetitive peak reverse current per leg I R(OV) 2 Amps
VFM 0.42 Volts
Max peak forward voltage per leg
VFM 0.47 Volts
Max peak forward voltage per leg
I RM 300 mA
Max peak reverse current per leg
I RM 5 mA
Max peak reverse current per leg
I RM 3 mA
Typical reverse current per leg
CJ 2400 pF
Typical junction capacitance per leg
T C = 115°C, Square wave, R0JC = 0.5°C/W
T C = 115°C, Square wave, R0JC = 1.0°C/W
8.3 ms, half sine, T J = 150°C
f = 1 KHZ, 25°C, 1µsec square wave
I FM = 40A: T J = 150°C*
I FM = 40A: T J = 25°C*
VRRM, T J = 125°C*
VRRM, T J = 25°C
VRRM, T J = 25°C
VR = 5.0V, T C = 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)
Weight
T STG
TJ
R 0JC
R 0JC
R 0CS
-55°C to 175°C
-55°C to 150°C
1.0°C/W
Junction to case
0.5°C/W
Junction to case
0.3°C/W
Case to sink
0.3 ounce (8.4 grams) typical
www.microsemi.com
January, 2010 - Rev. 5
FST8230SM
Figure 1
Typical Forward Characteristics - Per Leg
1000
800
600
Junction Capacitance - pF
400
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
150
140
130
120
110
100
90
80
0
12
90
24
120
36
180
48
DC
60
20
150 C
25 C
10
8.0
6.0
4.0
2.0
1.0
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
Instantaneous Forward Voltage - Volts
Maximum Allowable Case Temperature - C
Average Forward Current - Amperes
Figure 5
Maximum Forward Power Dissipation -
35
Maximum Power Dissipation - Watts
30
25
20
15
10
5
0
0
12
24
36
48
60
Average Forward Current - Amperes
180
90 120
DC
Figure 2
Typical Reverse Characteristics - Per Leg
Typical Reverse Current - mAmperes
Per Leg
1000
100
10
1.0
0.1
25 C
0
10
20
30
125 C
75 C
Reverse Voltage - Volts
www.microsemi.com
January, 2010 - Rev. 5
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