MOSPEC
F20C05 Thru F20C20
Switchmode
Dual Fast Recovery Power Rectifiers
Designed for use in switching power supplies. inverters and as free
wheeling diodes. These state-of-the-art devices have the following
features:
Glass Passivated chip junctions
Low Reverse Leakage Current
Fast Switching for High Efficiency
150
Operating Junction Temperature
Low Stored Charge Majority Carrier Conduction
Low Forward Voltage , High Current Capability
Plastic Material used Carries Underwriters Laboratory
Flammability Classification 94V-O
MAXIMUM RATINGS
F20C
Characteristic Symbol
05 10 15 20
Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
V
RRM
V
RWM
V
R
50 100 150 200 V
RMS Reverse Voltage
V
R(RMS)
35 70 105 140 V
Average Rectifier Forward Current
Per Leg T
C
=125
Per Total Device
I
F(AV)
10
20
A
Peak Repetitive Forward Current
(Rate V
R
, Square Wave, 20kHz)
I
FM
20 A
Non-Repetitive Peak Surge Current
(Surge applied at rate load conditions
halfware, single phase, 60Hz)
I
FSM
175 A
Operating and Storage Junction
Temperature Range
T
J
, T
stg
-65 to +150
ELECTRIAL CHARACTERISTICS
F20C
Characteristic Symbol
05 10 15 20
Unit
Maximum Instantaneous Forward Voltage
( I
F
=10 Amp T
C
= 25
)
V
F
1.30 V
Maximum Instantaneous Reverse Current
( Rated DC Voltage, T
C
= 25
)
( Rated DC Voltage, T
C
= 125
)
I
R
10
200
uA
Reverse Recovery Time
( I
F
= 0.5 A, I
R
=1.0 , I
rr
=0.25 A )
T
rr
150 ns
Typical Junction Capacitance
(Reverse Voltage of 4 volts & f=1 MHz)
C
P
55
P
F
FAST RECOVERY
RECTIFIERS
20 AMPERES
50-200 VOLTS
TO-220AB
MILLIMETERS
DIM
MIN MAX
A 14.68
15.32
B 9.78
10.42
C 5.02
6.52
D 13.06
14.62
E 3.57
4.07
F 2.42
2.66
G 1.12
1.36
H 0.72
0.96
I 4.22
4.98
J 1.14
1.38
K 2.20
2.98
L 0.33
0.55
M 2.48
2.98
O 3.70
3.90
F20C05 Thru F20C20
FIG-3 FORWARD CURRENT DERATING CURVE
A
VERAGE FOR
W
ARD RECT
IFIED CURRENT
(A
m
p
.)
LEAD TEMPERATURE (
)
FIG-4TYPICAL JUNCTION CAPACITANCE
J
UNCT
ION CAP
A
CIT
A
NCE (
P
F)
REVERSE VOLTAGE (Volts.)
FIG-5PEAK FORWARD SURGE CURRENT
PEAK F
O
R
W
ARD SURG
E CURRENT
(
A
m
p
.)
NUMBER OF CYCLES AT 60 Hz
FIG-1 TYPICAL FORWARD CHARACTERISITICS
A
V
E
R
A
G
E
FOR
W
A
RD RE
CT
IFIE
D CURRE
NT
(A
m
p
.)
FORWARD VOLTAGE (Volts)
FIG-2 TYPICAL REVERSE CHARACTERISTICS
INST
ANT
A
NEOUS REVERSE CURRENT
(uA.)
PERCENT OF PEAK REVERSE VOLTAGE (
)
Set time base for 20/50 ns/cm
FIG-6 Reverse Recovery Time Characteristic and Test Circuit Diagram
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