B5817WS thru B5819WS
SURFACE MOUNT
SCHOTTKY BARRIER DIODE
REVERSE VOLTAGE – 20 to 40 Volts
FORWARD CURRENT – 1 Ampere
FEATURES
•
For use in low voltage, high frequency inverters, free
wheeling, and polarity protection applications
MECHANICAL DATA
•
Case: SOD-323 Plastic
•
Case Material: “Green” molding compound, UL
flammability classification 94V-0, (No Br. Sb. CI)
•
Moisture Sensitivity: Level 1 per J-STD-020D
•
Lead Free in RoHS 2002/95/EC Compliant
SOD-323
SOD-323
Dim. Min. Max.
A 2.50 2.70
B 1.20 1.40
C 1.60 1.80
D 0.25
0.35
E 0.08 0.15
F 0.25 0.40
G --- 1.0
H 0.00 0.10
Dimensions in millimeter
Maximum Ratings & Thermal Characteristics
@ T
A
= 25℃ unless otherwise specified
Characteristic Symbol B5817WS B5818WS B5819WS Units
Repetitive Peak Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
V
RRM
V
RWM
V
R
20 30 40 V
RMS Reverse Voltage V
R(RMS)
14 21 28 V
Average Rectified Output Current I
F
1 A
Peak Forward Surge Current@t=8.3ms I
FSM
9 A
Repetitive Peak Forward Current I
FRM
1.5 A
Power Dissipation P
D
250 mW
Thermal Resistance Junction to Ambient R
Θ
JA
500 /W℃
Storage Temperature Range T
STG
-65~+150 ℃
Electrical Characteristics
@
T
A
= 25℃ unless otherwise specified
Characteristic Test Condition
Symbol B5817WS B5818WS B5819WS Unit
Reverse Breakdown Voltage I
R
= 1mA V
BR
20 30 40 V
Maximum Forwar
d Voltage
I
F
= 1A
I
F
= 3A V
F
450
750
550
875
600
900 mV
Maximum DC Reverse Current
at Rated DC Blocking Voltage
V
R
= 20V
V
R
= 30V
V
R
= 40V
I
R
1
--
--
--
1
--
--
--
1
mA
Typical Junction Capacitance V
R
=4V,f=1MHz
C
T
120 pF
REV. 1, Oct-2010, KSHR09
RATING AND CHARACTERISTIC CURVES
B5817WS thru B5819WS
FIG.1- FORWARD CURRENT DERATING CURVE
0
0.2
0.4
0.6
0.8
1
1.2
0 25 50 75 100 125 150
T
L
, LEAD TEMAERATURE, ( C)
I
O
, AVERAGE FORWARD CURRENT, (A)
FIG.2- MAXIMUM NON-REPETITIVE SURGE
CURRENT
0
1
2
3
4
5
6
7
8
9
10
1 10 100
NUMBER OF CYCLES AT 60Hz
PEAK FORWARD SURGE CURRENT,
(A)
FIG.3- TYPICAL FORWORD CHARACTERISTICS
0.01
0.1
1
10
100
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6
V
F
, INSTANTANEOUS FORWARD VOLTAGE, (V)
I
F
, INSTANTANEOUS FO RWARD
CURRENT, (A)
FIG.4- TYPICAL REVERSE CHARACTERISTICS
0.001
0.01
0.1
1
10
100
0 20 40 60 80 100
PERCENT OF RATED PEA K REVERS E VOLTAGE, (%)
I
R
, INSTANTANEOUS REVERSE
CURRENT, (mA)
FIG.5- TYPICAL JUNCTION CAPACITANCE
1
10
100
1000
0.1 1 10 100
REVERSE VOLTAGE, (V)
CAPACI TANCE, (pF)
Device Marking :
Device P/N Marking Equivalent Circuit Diagram
B5817WS SJ
B5818WS SK
B5819WS SL
O
Pulse width=300us,
2% duty cycle
25℃
8.3ms Single Half-Wave
Tj=25℃, f=1MHz
Resistive or Inductive load,
0.375
”
(9.5mm) lead length.
125℃
25℃
75℃
125℃
Legal Disclaimer Notice
B5817WS thru B5819WS
Important Notice and Disclaimer
LSC reserves the right to make changes to this document and its products and specifications
at any time without notice. Customers should obtain and confirm the latest product
information and specifications before final design, purchase or use.
LSC makes no warranty, representation or guarantee regarding the suitability of its products
for any particular purpose, nor does LSC assume any liability for application assistance or
customer product design. LSC does not warrant or accept any liability with products which
are purchased or used for any unintended or unauthorized application.
No license is granted by implication or otherwise under any intellectual property rights of
LSC.
LSC products are not authorized for use as critical components in life support devices or
systems without express written approval of LSC.
