2.0 AMP SUPER FAST RECTIFIERS
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating 25 C ambient temperature uniess otherwies specified.
Single phase half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
TYPE NUMBER
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
.375"(9.5mm) Lead Length at Ta=55 C
FEATURES
MECHANICAL DATA
Peak Forward Surge Current, 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Maximum Instantaneous Forward Voltage at 2.0A
Maximum DC Reverse Current Ta=25 C
at Rated DC Blocking Voltage Ta=100 C
Maximum Reverse Recovery Time (Note 1)
Typical Junction Capacitance (Note 2)
2.0
60
5.0
50
60
-65 +150
A
A
V
A
A
nS
pF
NOTES:
1. Reverse Recovery Time test condition: IF=0.5A, IR=1.0A, IRR=0.25A
2. Measured at 1MHz and applied reverse voltage of 4.0V D.C.
* Low forward voltage drop
* High current capability
* High reliability
* High surge current capability
* Case: Molded plastic
* Epoxy: UL 94V-0 rate flame retardant
* Lead: Axial leads, solderable per MIL-STD-202,
method 208 guranteed
* Polarity: Color band denotes cathode end
* Mounting position: Any
* Weight: 0.40 grams
SF21
SF28
THRU
35
VOLTAGE RANGE
50 to 600 Volts
CURRENT
2.0 Amperes
Dimensions in inches and (millimeters)
DO-15
1.0(25.4)
MIN.
1.0(25.4)
MIN.
.300(7.6)
.230(5.8)
.034(.9)
.028(.7)
DIA.
.140(3.6)
.104(2.6)
DIA.
SF21 SF22 SF23 SF24 SF25 SF26 SF28 UNITS
50 100 150 200 300 400 600 V
50 100 150 200 300 400 600 V
35 70 105 140 210 280 420
V
0.95
1.25
1.70
Operating and Storage Temperature Range T , T
J
STG
C
0.1
1.0
.01
10
50
RATING AND CHARACTERISTIC CURVES (SF21 THRU SF28)
FIG.4-TYPICAL REVERSE
FIG.1- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
CHARACTERISTICS
FIG.2-TYPICAL FORWARD CURRENT
A
V
E
R
A
G
E
F
O
R
W
A
R
D
C
U
R
R
E
N
T
,
(
A
)
FIG.6-TYPICAL JUNCTION CAPACITANCE
REVERSE VOLTAGE,(V)
J
U
N
C
T
I
O
N
C
A
P
A
C
I
T
A
N
C
E
,
(
p
F
)
R
E
V
E
R
S
E
L
E
A
K
A
G
E
C
U
R
R
E
N
T
,
(
A
)
0.4
0.8
1.2
1.6
2.0
2.4
175
150
125
100
75
50
25
0
(+)
(+)
25Vdc
(approx.)
( )
( )
10
NONINDUCTIVE
50
NONINDUCTIVE
PULSE
GENERATOR
(NOTE 2)
OSCILLISCOPE
(NOTE 1)
1
NON-
INDUCTIVE
NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF.
2. Rise Time= 10ns max., Source Impedance= 50 ohms.
+0.5A
0
-0.25A
-1.0A
|
|
|
|
|
|
|
|
1cm
SET TIME BASE FOR
50 / 10ns / cm
trr
.01 .05 .1 .5 1 5 10 50 100
D.U.T.
3.0
Single Phase
Half Wave 60Hz
Resistive Or Inductive Load
0.375"(9.5mm) Lead Length
DERATING CURVE
Tj=100 C
Tj=25 C
20
0
40
60
80
100
NUMBER OF CYCLES AT 60Hz
1
10
5
50
100
Tj=25 C
8.3ms Single Half
Sine Wave
JEDEC method
P
E
A
K
F
O
R
W
A
R
D
S
U
R
G
E
C
U
R
R
E
N
T
,
(
A
)
0
PERCENT OF RATED PEAK REVERSE VOLTAGE,(%)
20 40 60 80 100 120 140
AMBIENT TEMPERATURE,( C)
0
0
25
50 75 100 125 150 175
FIG.5-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
0.1
1.0
.01
10
50
FIG.3-TYPICAL FORWARD
CHARACTERISTICS
I
N
S
T
A
N
T
A
N
E
O
U
S
F
O
R
W
A
R
D
C
U
R
R
E
N
T
,
(
A
)
FORWARD VOLTAGE,(V)
Pulse Width 300us
1% Duty Cycle
.4 .6 .8 1.0 1.2 1.4 1.6 1.8
3.0
S
F2
5~
S
F2
6
SF
28
S
F2
1~
S
F2
4
Tj=25 C
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