Schottky Diode
FST8115, FST8120
F
A
Dim. Inches
Millimeter
N 2-PLCS
P
1 2 3
Common Cathode
Minimum Maximum Minimum Maximum Notes
A
C
E
F
G
H
J
1.180
.027
.350
1.490
.695
.088
.240
.115
1.195
.037
.370
1.510
.715
.098
.260
.135
.480
.085
.161
29.97
0.69
8.89
37.85
17.65
2.24
6.10
30.35
0.94
9.40
38.35
18.16
2.49
6.60
3.43
12.19
2.16
E
L
1
2
3
1 2 3
A=Common Anode
M
3 PINS eq sp at .200
K
L
2.92
11.68
1.65
G
.460
M .065
C
K
1 2 3
D=Doubler
N
P
.151
.015
3.84
0.38
4.09
0.64
Dia.
J
.025
H
Note: Baseplate Common with Pin 2
Schottky Barrier Rectifier
Guard ring protection
Common cathode center tap
2X40 Amperes avg.
Microsemi
Catalog Number
Industry
Part Number
Working Peak
Reverse Voltage Reverse Voltage
Repetitive Peak
FST8115*
FST8120*
15V
20V
15V
20V
125°C Junction temperature
Reverse energy tested
Low forward voltage
87CNQ020A
ROHS Compliant
*Add the Suffix A for Common Anode, D for Doubler
Electrical Characteristics
R
R
I
I
I
T
T
F(AV) 80 Amps
F(AV) 40 Amps
FSM 800 Amps
R(OV) 2 Amps
FM 0.32 Volts
FM 0.44 Volts
RM 1.0 Amp
C = 107°C, Square wave, 0JC = 0.5°C/W
Average forward current per pkg
Average forward current per leg
Maximum surge current per leg
Max repetitive peak reverse current per leg
Max peak forward voltage per leg
Max peak forward voltage per leg
Max peak reverse current per leg
Max peak reverse current per leg
Typical junction capacitance per leg
C = 107°C, Square wave, 0JC = 1.0°C/W
T
8.3 ms, half sine, J = 125°C
f = 1 KHZ, 25°C, 1µsec square wave
I
V
V
I
I
C
I
I
V
V
V
T
FM = 40A: J = 125°C
T
*
FM = 40A: J = 25°C
T
RRM, J = 125°C*
RRM, J = 25°C
T
RM 10 mA
J 4000 pF
T
R = 5.0V, C = 25°C
*Pulse test: Pulse width 300µsec, Duty cycle 2%
Thermal and Mechanical Characteristics
T
T
Storage temp range
STG
J
0JC
0JC
0CS
-55°C to 125°C
-55°C to 125°C
1.0°C/W Junction to case
0.5°C/W Junction to case
0.3°C/W Case to sink
10 inch pounds maximum
Operating junction temp range
Max thermal resistance per leg
Max thermal resistance per pkg
Typical thermal resistance (greased)
Mounting Base Torque
Weight
R
R
R
0.3 ounce (8.4 grams) typical
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January, 2010 - Rev. 5