SD820CT SERIES
SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS
VOLTAGE
FEATURES
• Plastic package has Underwriters Laboratory
Flammability Classification 94V-O
• For surface mounted applications
• Low profile package
• Built-in strain relief
• Low power loss, High efficiency
• High surge capacity
• For use in low voltage high frequency inverters, free wheeling, and
polarity protection applications
0.307(7.8)
0.283(7.2)
0.225(5.7)
0.209(5.3)
0.216(5.5)
0.200(5.1)
20 to 60 Volts
CURRENT
8 Amperes
0.264(6.7)
0.248(6.3)
0.063(1.6)
0.047(1.2)
0.098(2.5)
0.082(2.1)
0.024(0.6)
0.016(0.4)
• In compliance with EU RoHS 2002/95/EC directives
MECHANICAL DATA
• Case: TO-251AB molded plastic
• Terminals: Solder plated, solderable per MIL-STD-750,Method 2026
• Polarity: As marking
• Standard packaging: 16mm tape (EIA-481)
• Weight: 0.0104 ounces, 0.297 grams.
0.032(0.8)
0.012(0.3)
0.09(2.3)
0.071(1.8)
0.051(1.3)
0.02(0.5)
0.09(2.3)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings 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%
PA RA ME TE R
Ma xi m um Re c urre nt P e a k R e ve rs e Vo lt a g e
Ma xi m um RM S Vo lt a g e
Ma xi m um D C B lo c k i ng Vo lt a g e
Ma xi m um A ve ra g e F o r wa rd C ur re nt a t
T
C
= 7 5
O
C
P e a k F o r wa rd S urg e C urre nt : 8 . 3 m s s i ng le ha lf
s i ne -wa ve s up e r i m p o s e d o n r a te d lo a d ( J E D E C
me t ho d )
Ma xi m um F o rwa r d Vo lt a g e a t 4 . 0 A
Ma xi m um D C Re ve rs e C urr e nt a t
Ra te d D C B lo c k i ng Vo lta g e
Typ i c a l The rma l Re s i s t a nce
Op e r a ti ng J unc t i o n Te mp e r a ture Ra ng e
S to r a g e Te m p e ra t ure Ra ng e
T
J
= 2 5
O
C
T
J
= 1 0 0
O
C
S YM B OL S D 8 2 0 C T S D 8 3 0 C T S D 8 4 0 C T S D 8 5 0 C T S D 8 6 0 C T
V
RRM
V
RM S
V
DC
I
F ( AV )
I
F S M
V
F
I
R
R
J
C
R
J
A
T
J
T
S TG
-5 5 to + 1 2 5
0 .5 5
0 .2
20
5 .0
80
-5 5 to + 1 5 0
-5 5 t o + 1 5 0
O
UNITS
V
V
V
A
20
14
20
30
21
30
40
28
40
8
50
35
50
60
42
60
85
A
0 .7 5
V
mA
C / W
O
C
C
O
August 17,2010-REV.02
PAGE . 1
SD820CT SERIES
RATING AND CHARACTERISTIC CURVES
PEAK FORWARD SURGE CURRENT
AMPERES
AVERAGE
FORWARD
CURRENT
AMPERES
10
8
6
4
2
0
120
100
80
60
40
20
0
20-30V
40-60V
0
50
100
O
150
1
2
5
10
20
50
100
CASE TEMPERATURE, C
NO. OF CYCLE AT 60Hz
Fig
.
1
-
FORWARD CURRENT DERATING CURVE
Fig
.
2
-
MAXIMUM NON
-
REPETITIVE SURGE CURRENT
INSTANTANEOUS REVERSE CURRENT,mA
10
40
INSTANTANEOUS FORWARD CURRENT
AMPERES
T
=100 C
J
O
20V
~
40V
10
8
6
4
2
50
~
60V
1.0
0.1
T
=75C
J
O
0.01
T
=25 C
J
O
1.0
0.8
0.6
0.4
0.2
T
J
=25 C
Pulse Width=300
m
s
1% Duty Cycle
0.4
0.5
0.6
0.7
0.8
0.9
1.0
O
0.1
0.3
0.001
0
20
40
60
80
100
PERCENT OF INSTANTANEOUS REVERSE VOLTAGE, (%)
INSTANTANEOUS FORWARD VOLTAGE
,VOLTS
Fig
.
3
-
TYPICAL REVERSE CHARACTERISTIC
Fig
.
4
-
TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTIC
August 17,2010-REV.02
PAGE . 2
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