WILLAS
2.0A SURFACE MOUNT SUPER FAST RECTIFIERS -50V- 600V
SMA-LS PACKAGE
SFM21L
Pb Free Product
SFM28L
THRU
RATING AND CHARACTERISTIC CURVES
FIG.1-TYPICAL FORWARD
10
CHARACTERISTICS
AVERAGE FORWARD CURRENT,(A)
2.4
2.0
1.6
1.2
0.8
0.4
0
0
25
50
75
100
125
150
175
Single Phase
Half Wave 60Hz
Resistive Or Inductive Load
FIG.2-TYPICAL FORWARD CURRENT
DERATING CURVE
1L
~S
FM
24
L
INSTANTANEOUS FORWARD CURRENT,(A)
SF
M2
SF
M
.1
T
J
=25 C
Pulse Width 300us
1% Duty Cycle
SF
M
27
L~
S
FM
28
L
1.0
25
L
~S
FM
26
L
AMBIENT TEMPERATURE ( C)
.01
FIG.4-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
PEAK FORWARD SURGE CURRENT,(A)
50
.001
.4
.6
.8
1.0
1.2
1.4
1.6
1.8
FORWARD VOLTAGE,(V)
40
FIG.3- TEST CIRCUIT DIAGRAM AND REVERSE
RECOVERY TIME CHARACTERISTICS
50
NONINDUCTIVE
10
NONINDUCTIVE
30
T
J
=25 C
8.3ms Single Half
Sine Wave
JEDEC method
20
10
(+)
25Vdc
(approx.)
( )
1
NON-
INDUCTIVE
OSCILLISCOPE
(NOTE 1)
D.U.T.
( )
PULSE
GENERATOR
(NOTE 2)
(+)
0
1
5
10
50
100
NUMBER OF CYCLES AT 60Hz
NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF.
2. Rise Time= 10ns max., Source Impedance= 50 ohms.
FIG.5-TYPICAL JUNCTION CAPACITANCE
70
trr
+0.5A
|
|
|
|
|
|
|
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JUNCTION CAPACITANCE,(pF)
60
50
40
30
20
10
0
0
-0.25A
-1.0A
1cm
SET TIME BASE FOR
50 / 10ns / cm
.01
.05
.1
.5
1
5
10
50
100
REVERSE VOLTAGE,(V)
2012-12
WILLAS ELECTRONIC CORP.
WILLAS [ WILLAS ELECTRONIC CORP ]
