SF51-SF58
5.0 AMP. Super Fast Rectifiers
DO-201AD
Features
High efficiency, low VF
High current capability
High reliability
High surge current capability
Low power loss.
For use in low voltage, high frequency inventor, free
wheeling, and polarity protection application
Mechanical Data
Case: Molded plastic
Epoxy: UL 94V-0 rate flame retardant
Polarity: Color band denotes cathode
High temperature soldering guaranteed:
o
260 C/10 seconds/.375”,(9.5mm) lead
lengths at 5 lbs., (2.3kg) tension
Mounting position: Any
Weight: 1.2 grams
o
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25 C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%
Symbol
SF SF SF SF SF SF SF SF
Units
Type Number
51
52
53
54
55
56
57
58
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
o
.375 (9.5mm) Lead Length @T
A
= 55 C
Peak Forward Surge Current, 8.3 ms Single
Half Sine-wave Superimposed on Rated Load
(JEDEC method )
Maximum Instantaneous Forward Voltage
@ 5.0A
Maximum DC Reverse Current @ T
A
=25 C
o
at Rated DC Blocking Voltage @ T
A
=100 C
Maximum Reverse Recovery Time (Note 1)
Typical Junction Capacitance (Note 2)
Typical Thermal Resistance (Note 3)
Operating Temperature Range
Storage Temperature Range
Notes:
o
V
RRM
V
RMS
V
DC
I
(AV)
I
FSM
V
F
I
R
50 100 150 200 300 400 500 600
35 70 105 140 210 280 350 420
50 100 150 200 300 400 500 600
5.0
150
0.975
5.0
100
35
120
20
5.0
-65 to +125
-65 to +150
60
o
V
V
V
A
A
1.3
1.7
V
uA
uA
nS
pF
C/W
o
o
Trr
Cj
R
θJA
R
θJL
T
J
T
STG
C
C
1. Reverse Recovery Test Conditions: I
F
=0.5A, I
R
=1.0A, I
RR
=0.25A
2. Measured at 1 MHz and Applied Reverse Voltage of 4.0 V D.C.
3. Mount on Cu-Pad Size 16mm x 16mm on P.C.B
http://www.luguang.cn
mail:lge@luguang.cn
SF51-SF58
5.0 AMP. Super Fast Rectifiers
RATINGS AND CHARACTERISTIC CURVES ( SF51 THRU SF58 )
FIG.1- MAXIMUM AVERAGE FORWARD CURRENT
DERATING
6.0
FIG.2- TYPICAL REVERSE CHARACTERISTICS
1000
AVERAGE FORWARD CURRENT. (A)
5.0
INSTANTANEOUS REVERSE CURRENT. ( A)
4.0
100
Tj=100
0
C
3.0
2.0
1.0
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0.375" (9.5mm)
Lead Length
0
25
50
75
100
125
O
10
0
150
175
AMBIENT TEMPERATURE. ( C)
Tj=25
0
C
1
FIG.3- MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
175
PEAK FORWARD SURGE CURRENT. (A)
150
125
100
75
50
25
0
8.3ms Single Half Sine Wave
JEDEC Method
0.1
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)
FIG.5- TYPICAL FORWARD CHARACTERISTICS
100
INSTANTANEOUS FORWARD CURRENT. (A)
FIG.4- TYPICAL JUNCTION CAPACITANCE
180
160
140
120
100
80
60
40
0.1
SF54
10
SF
51
NUMBER OF CYCLES AT 60Hz
-S
F
-S
F5
6
55
SF
0.1
Tj=25
0
C
PULSE WIDTH-300 S
2% DUTY CYCLE
54
1
2
5
10
20
50
100
JUNCTION CAPACITANCE.(pF)
SF58
Tj=25
0
C
0.5
1
2
5
10
20
50
100 200
500
1000
0.01
0.4
0.6
0.8
1.0
1.2
SF
1.4
1.0
57
-S
F5
8
1.6
1.8
REVERSE VOLTAGE. (V)
FORWARD VOLTAGE. (V)
FIG.6- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
50
NONINDUCTIVE
10
NONINDUCTIVE
+0.5A
(-)
DUT
(+)
50Vdc
(approx)
(-)
NON
INDUCTIVE
PULSE
GENERATOR
(NOTE 2)
OSCILLOSCOPE
(NOTE 1)
(+)
0
-0.25A
trr
NOTES: 1. Rise Time=7ns max. Input Impedance=
1 megohm 22pf
2. Rise Time=10ns max. Sourse Impedance=
50 ohms
-1.0A
1cm
SET TIME BASE FOR
5/ 10ns/ cm
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mail:lge@luguang.cn
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