SY B5819W Schottky diode Datasheet

B5817W THRU B5819W
SCHOTTKY DIODE
SOD-123
1.80(.071)
1.65(.065)
1.40(.055)
1.55(.061)
3.86(0.152)
3.56(0.145)
2.84(0.112)
3.9(0.154)
2.54(0.100)
3.7(0.146)
FEATURES
For use in low voltage, high frequency inverters
Free wheeling, and polanty protection applications
2.7(0.106)
2.6(0.102)
.71(0.028)
0.6(.023)
.50(0.020)
0.5(.020)
.15(.006)
MAX
MECHANICAL DATA
1.35(.053)
.135(.005)
1.15(.045)
.94(.037)
.127(.004)
1.05(.041)
.25(.010)
MIN
Dimensions in millimeters and (inches)
Case: Molded plastic body
Terminals: Plated leads solderable per MIL-STD-750,
Method 2026
Polarity: Polarity symbols marked on case
Marking: B5817W:SJ, B5818W:SK, B5819W:SL
Maximum ratings and electrical characteristics, Single diode @TA=25C
PARAMETER
Peak repetitive peak reverse voltage
Working peak reverse voltage
DC Blocking voltage
RMS Reverse voltage
Average rectified output current
Peak forward surge current @=8.3ms
Repetitive peak forward current
Power dissipation
Thermal resistance junction to ambient
Storage temperature
Non-Repetitive peak reverse voltage
Electrical ratings @TA=25C
SYMBOLS
B5817W
B5818W
B5819W
UNITS
VRRM
VRWM
VR
20
30
40
V
14
21
1
25
625
250
500
-65 to +150
30
28
V
A
A
mA
mW
K/W
C
V
PARAMETER
Reverse breakdown voltage
SYMBOLS
VR(RMS)
IO
IFSM
IFRM
Pd
RΘJA
TSTG
VRM
V(BR)
Reverse voltage leakage current
IR
20
Min.
Max.
20
30
40
1
0.45
Forward voltage
0.75
VF
0.55
0.875
0.6
0.9
Diode capacitance
CD
120
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Unit
40
Test conditions
V
V
V
IR=1mA
B5817W
B5818W
B5819W
mA
VR=20V
VR=30V
VR=40V
B5817W
B5818W
B5819W
B5817W
V
V
V
pF
IF=1A
IF=3A
B5818W
B5819W
VR=4V,f=1.0MHz
RATINGS AND CHARACTERISTIC CURVES B5817W THRU B5819W
PEAK FORWARD SURGE CURRENT(A)
AVERAGE FORWARD CURRENT(A)
FIG. 1- FORWARD CURRENT DERATING CURVE
1.25
1.0
0.75
Resistive or inductive
load0.375''(9.5mm)
lead length
0.5
0.25
0
0
20
40
60
80
100
120
FIG. 2-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
30
25
20
15
10
5
0
0
140
10
FIG. 3- TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
50
10
TA=25 C
TA=125 C
1.0
Pulse width=300us
1% duty cycle
0.1
0.01
0
0.4
0.8
1.2
FIG. 4- TYPICAL REVERSE CHARACTERISTICS
100
10
TJ=125 C
1.0
TJ=75 C
0.1
0.01
TJ=25 C
0.001
0
1.6
TRANSIENT THERMAL IMPEDANCE ( C/W)
FIG. 5- TYPICAL JUNCTION CAPACITANCE
400
JUNCTION CAPACITANCE (pF)
20
40
60
80
100
PERCENT OF RATED PEAK PEVERSE VOLTAGE (%)
INSTANTANEOUS FORWARD VOLTAGE(V)
100
10
0.1
100
NUMBER OF CYCLES AT 60Hz
INSTANTANEOUS REVERSE CURRENT (mA)
INSTANTANEOUS FORWARD CURRENT(A)
CASE TEMPERATURE( C)
FIG. 6-TYPICAL TRANSIENT
THERMAL IMPEDANCE
100
10
1
0.1
1
10
100
0.01
REVERSE VOLTAGE (V)
1
10
t--PULSE DURATION (sec.)
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100
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