山东晶导微电子有限公司
Jingdao Microelectronics
SCHOTTKY BARRIER RECTIFIERS
FEATURES
• Metal silicon junction, majority carrier conduction
• Guarding for overvoltage protection
• Low power loss, high efficiency
• High current capability
• low forward voltage drop
• High surge capability
• For use in low voltage, high frequency inverters,
free wheeling, and polarity protection applications
B5817WS THRU B5819WS
PINNING
PIN
1
2
DESCRIPTION
Cathode
Anode
2
1
Top View
Marking Code: B5817WS---SJ
B5818WS---SK
B5819WS---SL
Simplified outline SOD-323 and symbol
MECHANICAL DATA
▪Case:
SOD-323
▪Terminals:
Solderable per MIL-STD-750, Method 2026
▪
A pprox. Weight: 5.48mg / 0.00019oz
Maximum Ratings and Electrical characteristics
Ratings at 25
°C
ambient temperature unless otherwise specified.
Parameter
Maximum Repetitive Peak Reverse Voltage
Symbols
V
RRM
V
RMS
V
DC
I
F(AV)
B5817WS
20
14
20
B5818WS
30
21
30
B5819WS
40
28
40
Units
V
V
V
Maximum RMS voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
1
A
A
0.6
0.9
Peak Forward Surge Current, 8.3ms Single Half Sine-wave
Superimposed On Rated Load (JEDEC method)
at 1 A
at 3 A
I
FSM
0.45
0.75
9
0.55
0.875
1
10
110
-55 ~ +150
Maximum Instantaneous Forward Voltage
V
F
V
Maximum Instantaneous Reverse Current at TA = 25°C
Rated DC Reverse Voltage
TA = 100°C
Typical Junction Capacitance
I
R
C
j
T
j
, T
stg
mA
pF
°C
Storage and Operating Junction Temperature Range
2016.10
SOD323-S-B5817WS~B5819WS-1A40V
Page 1 of 3
山东晶导微电子有限公司
Jingdao Microelectronics
B5817WS THRU B5819WS
Fig.1 Forward Current Derating Curve
Instaneous Reverse Current (
μA)
1.2
10
4
Fig.2 Typical Reverse Characteristics
Average Forward Current (A)
1.0
0.8
0.6
0.4
0.2
Single phase half-wave 60 Hz
resistive or inductive load
10
3
T
J
=125
°C
10
2
T
J
=75
°C
10
1
T
J
=25
°C
0.0
25
50
75
100
125
150
10
0
0
20
40
60
80
100
Case Temperature (°C)
Percent of Rated Peak Reverse Voltage（%）
Fig.3 Typical Forward Characteristic
Instaneous Forward Current (A)
1.0
500
Fig.4 Typical Junction Capacitance
Junction Capacitance ( pF)
0.5
0.6
0.7
200
100
50
5
°
C
12
0.2
T
J
=
T
J
=2
5
°
C
0.5
20
10
0.1
1
10
100
0.1
0
0.1
0.2
0.3
0.4
Instaneous Forward Voltage (V)
Reverse Voltage (V)
Fig.5 Maximum Non-Repetitive Peak
Forward Surage Current
Peak Forward Surage Current (A)
30
25
20
15
10
05
00
1
10
100
8.3 ms Single Half Sine Wave
(JEDEC Method)
Number of Cycles at 50Hz
2016.10
www.sdjingdao.com
Page 2 of 3
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