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FEATURES
GALAXY ELECTRICAL
SX5817--- SX5819
VOLTAGE RANGE: 20 --- 40 V
CURRENT: 1.0 A
SURFACE MOUNT SCHOTTKY
BARRIER RECTIFIERS
MECHANICAL DATA
Case:JEDEC
SOD-123FL,molded
plastic
Terminals:
Solderable
per
MIL- STD-202,method 208
Polarity: Color band denotes cathode
Weight: 0.0008 ounces,0.22 grams
Mounting position: Any
1.4± 0.15
The plastic material carries U/L recognition 94V-0
0.6
±
0.25
3.7
±
0.2
Dimensions in millimeters
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
ambient temperature unless otherwise specified.
Single phase,half wave,60 Hz,resistive or inductive load. For capacitive load,derate by 20%.
SX5817
Device marking code
Maximum recurrent peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forw ard rectified current
9.5mm lead length,
@T
A
=75
SX5818
S3
30
21
30
1.0
SX5819
S4
40
28
40
0.10-0.30
Metal-Semiconductor junction with guard ring
Epitaxial construction
Low forward voltage drop,low switching losses
High surge capability
For use in low voltage,high frequency inverters free
xxxx
wheeling,and polarity protection applications
SOD-123FL
Cathode Band
Top View
1.0
±
0.2
2.8
±
0.1
1.9± 0.1
UNITS
V
V
V
A
S2
V
RRM
V
RMS
V
DC
I
F(AV)
20
14
20
Peak forw ard surge current
8.3ms single half-sine-w ave
superimposed on rated load
@T
J
=70
I
FSM
0.45
0.75
25.0
A
Maximum instantaneous forw ard voltage @ 1.0A
z
(Note 1)
@ 3.0A
Maximum reverse current
at rated DC blocking voltage
Typical junction capacitance
Typical thermal resistance
@T
A
=25
@T
A
=100
(Note2)
(Note3)
V
F
I
R
C
J
R
θ
JA
T
J
T
STG
0.55
0.875
1.0
10.0
110
50
- 55 ---- + 125
- 55 ---- + 150
0.60
0.90
V
mA
pF
／Ｗ
Operating junction temperature range
Storage temperature range
NOTE: 1. Pulse test : 300
s pulse width,1% duty cy cle.
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2. Measured at 1.0MH
Z
and applied rev erse v oltage of 4.0V DC.
3.Thermal resistance junction to ambient
Document Number 0281063
BL
GALAXY ELECTRICAL
1.
RATINGS AND CHARACTERISTIC CURVES
SX5817
---
SX5819
FIG.1 -- FORWARD DERATING CURVE
AVERAGE FORWARD RECTIFIED CURRENT
PEAK FORWARD SURGE CURRENT
AMPERES
FIG.2 -- PEAK FORWARD SURGE CURRENT
1.0
30
25
20
25
10
5
0
1
10
100
T
J
=T
J
MAX
8.3ms Single Half
Sine-Wave
0.75
AMPERES
0.5
0.25
Resistive or
Inductive Load
0.375"(9.5mm)Lead
Length
0
0
25
50
75
100
125
150
LEAD TEMPERATURE,
NUMBER OF CYCLES AT 60Hz
FIG.3 -- TYPICAL INSTANTANEOUS FORWARD
X -CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT
FIG.4 -- TYPICAL JUNCTION CAPACITANCE
20
400
CAPACITANCE, pF
10
SX5
81 7
SX
5819
T
J
=25℃
f=1.0MHz
Vsig=50mVp-p
AMPERES
100
1
SX5
81 8
T
J
= 25
P ulse w id th= 300
1 % D uty C yc le
s
10
0.1
1
10
100
.1
.1
.3
.5
.7
.9
1.1 1.3
1.5 1.7 1.9
2.1
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
REVERSE VOLTAGE,VOLTS
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Document Number 0281063
BL
GALAXY ELECTRICAL
2.
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