B5817W THRU B5819W
1.0
A Surface Mount Schottky Barrier
Rectifiers - 20V-
40V
Features
For use in low voltage, high frequency inverters
Free wheeling, and polarity protection applications
Package outline
SOD-123
Case:
JEDEC SOD-123 molded plastic body
Terminals:
Solder plated, solderable per MIL-STD-750,
Method 2026
Polarity:
Color band denotes cathode end
Mounting Position:
Any
0.110(2.80)
0.098(2.50)
0.026(0.65)
0.018(0.45)
Mechanical data
0.071(1.80)
0.055(1.40)
Marking
:
SL
Pb
e3
0.152(3.85)
0.140(3.55)
Dimensions in inches and (millimeters)
Maximum ratings and Electrical Characteristics
(AT
PARAMETER
Peak repetitive peak reverse voltage
Working peak
DC Blocking voltage
RMS Reverse voltage
Average rectified output current
Peak forward surge current @=8.3ms
Power dissipation
Thermal resistance junction to ambient
Operating junction temperature range
SYMBOLS
T
A
=25
o
C unless otherwise noted)
B5819W
40
28
UNITS
V
V
A
A
mW
K/W
B5817W
20
14
B5818W
30
21
1
9
250
500
-55 to +125
-55 to +150
V
RRM
V
RWM
V
R
V
R(RMS)
I
O
I
FSM
Pd
R
ΘJA
T
J
T
STG
V
RM
SYMBOLS
0.008(0.20)MAX
0.053(1.35)
0.037(0.95)
C
40
Test conditions
I
R
=1mA
V
R
=20V
B5817W
B5818W
B5819W
B5817W
B5818W
B5819W
B5817W
I
F
=1A
I
F
=3A
B5818W
B5819W
V
R
=4V,f=1.0MHz
V
Storage temperature
Non-Repetitive peak reverse voltage
PARAMETER
Reverse breakdown voltage
20
Min.
20
30
40
Max.
30
Unit
V
V
V
1
0.45
0.75
V
V
V
0.55
0.875
0.6
0.9
mA
V
R
=30V
V
R
=40V
V
(BR)
Reverse voltage leakage current
I
R
Forward voltage
V
F
Diode capacitance
C
D
120
pF
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Page 1
Ver2.1
B5817W THRU B5819W
1.0
A Surface Mount Schottky Barrier
Rectifiers - 20V-
40V
Rating and characteristic curves
FIG. 1- FORWARD CURRENT DERATING CURVE
1.25
PEAK FORWARD SURGE CURRENT(A)
FIG. 2-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
12
AVERAGE FORWARD CURRENT(A)
1.0
10
8
0.75
Resistive or inductive
load0.375''(9.5mm)
lead length
0.5
6
4
0.25
2
0
0
20
40
60
80
100
120
140
160
0
0
10
100
CASE
TEMPERATURE(
C
)
NUMBER OF CYCLES AT 60Hz
INSTANTANEOUS REVERSE CURRENT
(mS)
INSTANTANEOUS FORWARD CURRENT(A)
FIG. 3- TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
50
FIG. 4- TYPICAL REVERSE CHARACTERISTICS
100
10
10
T
J
=125
C
T
J
=125
C
T
J
=25
C
1.0
T
J
=75
C
0.1
1.0
0.1
Pulse width=300us
2% duty cycle
0.01
T
J
=25
C
0.01
0
0.4
0.8
1.2
1.6
0.001
0
20
40
60
80
100
INSTANTANEOUS FORWARD VOLTAGE(V)
PERCENT OF RATED PEAK PEVERSE VOLTAGE
(%)
TRANSIENT THERMAL IMPEDANCE
(C/W)
FIG. 5- TYPICAL JUNCTION CAPACITANCE
400
FIG. 6-TYPICAL TRANSIENT
THERMAL IMPEDANCE
100
JUNCTION CAPACITANCE (pF)
T
J
=25
C
f=1.0MHz
V
sp
=50mV
p-p
10
100
1
10
0
0.1
1
10
100
0
1
10
100
REVERSE VOLTAGE (V)
t--PULSE DURATION
(sec.)
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Page 2
Ver2.1
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