SF51
THRU
SF57
5.0 Amp Super Fast
Rectifier
50 to 600 Volts
Features
• Superfast recovery times-epitaxial construction
• Low forward voltage, high current capability
• Low leakage
• High surge capability
Maximum Ratings
• Operating Junction Temperature: -55°C to +150°C
• Storage Temperature: -55°C to +150°C
MCC
Part Number
Maximum
Recurrent
Peak Reverse
Voltage
Maximum
RMS
Voltage
Maximum DC
Blocking
Voltage
SF51 50V 35V 50V
SF52 100V 70V 100V
SF53 150V 105V 150V
SF54 200V 140V 200V
SF35 300V 210V 300V
SF56 400V 280V 400V
Electrical Characteristics @ 25°C Unless Otherwise Specified
Average Forward
Current IF(AV) 5.0A TA = 55°C
Peak Forward Surge
Current IFSM 150A 8.3ms, half sine
Maximum
Instantaneous
Forward Voltage
SF51-SF54
SF55-SF56
VF 0.95V
1.25V
Maximum DC
Reverse Current At
Rated DC Blocking
Voltage
IR 5.0uA
300uA TA = 25°C
TA = 125°C
Typical Junction
Capacitance CJ 45pF Measured at
1.0MHz, VR=4.0V
Maximum Reverse
Recovery Time TRR 35nS IF=0.5A, IR=1.0A,
IRR=0.25A
Pulse Test: Pulse width 300 usec, Duty cycle 1%.
A
B
C
D
D
Cathode
Mark
DIMENSIONS
INCHES MM
DIM MIN MAX MIN MAX NOTE
A--- .370 --- 9.50
B--- .250 --- 6.40
C.048 .052 1.20 1.30
D1.000 --- 25.40 ---
DO-201AD
www.mccsemi.com
omponents
21201 Itasca Street Chatsworth
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MCC
IFM = 5.0A;
TA = 25°C
• Maximum Thermal Resistance; 25°C/W Junction To Ambient
SF57 600V 420V 600V
SF57 1.70V
www.mccsemi.com
MCC
SF51 thru SF57
N
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:
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8.0
6.0
4.0
2.0
0
50 75 100 125 150 175 200
ON HEAT SINK
ON PCB
A
M
B
I
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N
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R
A
T
U
R
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Fig. 1-REVERSE RECOVERY TIME CHARACTERISTIC AND
TEST CIRCUIT DIAGRAM
Fig. 2-MAXIMUM AVERAGE FORWARD
CURRENT RATING
5.0
4.0
3.0
2.0
1.0
0 0 50 100 150
C
A
S
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T
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M
P
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R
A
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100
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1
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0.01
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
SF57
SF51-54
SF55-56
I
N
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T
A
N
T
A
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F
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W
A
R
D
V
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T
A
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V
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Fig. 3-MAXIMUM AVERAGE FORWARD CCURRENT
RATINGFig. 4-FORWARD CURRENT DERATING CURVE
¡y
200
150
125
75
35
1 5 10 50 100
8.3ms SINGLE HALF SINE
W
A
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J
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D
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C
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C
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z
100
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51 10 100
T
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=
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f
=
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0
M
H
z
V
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p
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V
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R
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O
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,
V
O
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Fig. 5-MAXIMUM NON-REPETITIVE SURGE CURRENTFig. 6-TYPICAL JUNCTION CAPACITANCE
A
VERAGE FORWARD CURRENT
(10)-AMP (10)-AAV
PE
AK FORWARD SURGE CURRENT,
AMPERES
JUNCTION CAPACITANCE, pF
AV
ERAGE FORWARD CURRENT,
AMPERES
INS
TANTANEOUS FORWARD CURRENT AMPERES
