SD820T~SD860T
SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS
8 Amperes
CURRENT
VOLTAGE
20 to 60 Volts
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
• In compliance with EU RoHS 2002/95/EC directives
.264(6.7)
.248(6.3)
.098(2.5)
.082(2.1)
.024(0.6)
.016(0.4)
TO-251AB
Unit : inch (mm)
.307(7.8)
.283(7.2)
.225(5.7)
.209(5.3)
.063(1.6)
.047(1.2)
.216(5.5)
.200(5.1)
.071(1.8)
.051(1.3)
.032(0.8)
.012(0.3)
.02(0.5)
.09 .09
(2.3) (2.3)
MECHANICALDATA
• 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.
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 M E TE R
M a xi m um R e c ur r e nt P e a k R e ve r s e V o l t a g e
M a xi m um R M S V o l t a g e
M a xi m um D C B l o c k i ng V o l t a g e
M a xi m um A ve r a g e F o r w a r d C ur r e nt a t T
C
= 7 5
O
C
P e a k F o r w a r d S ur g e C ur r e nt : 8 . 3 m s s i ng l e ha l f s i ne -
w a ve s up e r i m p o s e d o n r a t e d l o a d ( J E D E C m e t ho d )
M a xi m um F o r w a r d V o l t a g e a t 8 . 0 A ( N o t e 1 )
M a xi m um D C R e ve r s e C ur r e nt T
J
= 2 5
O
C
a t R a t e d D C B l o c k i ng Vo l t a g e T
J
= 1 0 0
O
C
Ty p i c a l T h e r m a l R e s i s t a n c e
O p e r a t i n g J u n c t i o n Te m p e r a t u r e R a n g e
S t o r a g e Te m p e r a t u r e R a n g e
S YM B O L
V
RRM
V
RMS
V
D C
I
F ( A V )
I
F S M
V
F
I
R
R
θ
J C
R
θ
J A
T
J
T
S TG
SD820T
20
14
20
SD830T
30
21
30
SD840T
40
28
40
8
85
SD850T
50
35
50
SD860T
60
42
60
U N IT S
V
V
V
A
A
0 .5 5
0 .2
20
5 .0
80
-5 5 to +1 2 5
0 .7 5
0 .1
20
O
V
mA
C / W
O
-5 5 to +1 5 0
-5 5 to +1 5 0
C
C
O
STAD-APR.27.2009
PAGE . 1
SD820T~SD860T
RATING AND CHARACTERISTIC CURVES
AVERAGE FORWARD CURRENT
AMPERES
10
8
6
4
2
0
0
50
100
O
PEAK FORWARD SURGE CURRENT
AMPERES
120
100
80
60
40
20
0
150
CASE TEMPERATURE, C
1
2
5
10
20
50
100
NO. OF CYCLE AT 60Hz
Fig.1- FORWARD CURRENT DERATING CURVE
Fig.2- MAXIMUM NON - REPETITIVE SURGE CURRENT
10
40
INSTANTANEOUS REVERSE CURRENT, mA
INSTANTANEOUS FORWARD CURRENT
AMPERES
20V~45V
10
8
6
4
2
1.0
.8
.6
.4
.2
.1
50~60V
1.0
T
J
= 1 C
00
O
0.1
T
J
= 7 C
5
O
0.01
T
J
= 2 C
5
O
V
RRM
=20-40V
V
RRM
=50-60V
T
J
= 25 C
Pulse Width = 300ms
1% Duty Cycle
O
.001
0
20
40
60
80
100
.3
.4
.5
.6
.7
.8
0.9
1.0
PERCENT OF INSTANTANEOUS REVERSE VOLTAGE,(%)
INSTANTANEOUS FORWARD VOLTAGE ,VOLTS
Fig.3- TYPICAL REVERSE CHARACTERISTICS
Fig.4- TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
STAD-APR.27.2009
PAGE . 2
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