B5817W THRU B5819WSCHOTTKY DIODE
Case: Molded plastic bodyTerminals: Plated leads solderable per MIL-STD-750, Method 2026Polarity: Polarity symbols marked on caseMarking: B5817W:SJ, B5818W:SK, B5819W:SL
FEATURES
MECHANICAL DATA
For use in low voltage, high frequency invertersFree wheeling, and polarity protection applications
Electrical ratings @TA=25CSYMBOLS Test conditions
V(BR)
Reverse breakdown voltage
Reverse voltage leakage current
Forward voltage
Diode capacitance
PARAMETER Min. Max. Unit
VVV
IR=1mA
0.450.750.55
0.8750.60.9120
19
250500
-55 to +15030
Maximum ratings and electrical characteristics, Single diode @TA=25CSYMBOLS UNITS
VRRM
VRWM
VR
Peak repetitive peak reverse voltageWorking peak reverse voltageDC Blocking voltageRMS Reverse voltageAverage rectified output currentPeak forward surge current @=8.3msPower dissipationThermal resistance junction to ambientStorage temperatureNon-Repetitive peak reverse voltage
TSTG
VRM
V
VAA
mWK/WCV
B5818W
30
21VR(RMS)
IO
Pd
PARAMETER
IFSM
RΘJA
IR
203040
pF
B5817W B5819W
20 40
14 28
20 40
CD
VF
1 mA
V
V
V
VR=4V,f=1.0MHz
B5817WB5818WB5819W
VR=20VVR=30VVR=40V
B5817WB5818WB5819W
IF=1AIF=3A
B5817W
B5818W
B5819W
.25(.010)MIN
SOD-1231.80(.071)1.40(.055)
3.86(0.152)3.56(0.145)
2.84(0.112)2.54(0.100)
.71(0.028)
.50(0.020)
1.35(.053).94(.037)
.15(.006)MAX
Dimensions in millimeters and (inches)
STAR SEADN:S11G04A0
RATINGS AND CHARACTERISTIC CURVES B5817W THRU B5819W
0 10 100
NUMBER OF CYCLES AT 60Hz
FIG. 2-MAXIMUM NON-REPETITIVE PEAKFORWARD SURGE CURRENT
FIG. 1- FORWARD CURRENT DERATING CURVEA
VE
RA
GE
FO
RW
AR
D C
UR
RE
NT(
A) 10.8
9.0
7.2
5.4
3.6
1.8
0
CASE TEMPERATURE( C)
PE
AK
FO
RW
AR
D S
UR
GE
CU
RR
EN
T(A
)
1.25
1.0
0.75
0.5
0.25
00 20 40 60 80 100 120 140
FIG. 3- TYPICAL INSTANTANEOUSFORWARD CHARACTERISTICS
INS
TAN
TAN
EO
US
FO
RW
AR
D C
UR
RE
NT(
A)
0 0.4 0.8 1.2 1.6
50
10
1.0
0.1
0.01
INSTANTANEOUS FORWARD VOLTAGE(V)
FIG. 4- TYPICAL REVERSE CHARACTERISTICS
INS
TAN
TAN
EO
US
RE
VE
RS
E C
UR
RE
NT
(mA
)
0 20 40 60 80 100
100
10
1.0
0.1
0.01
0.001
PERCENT OF RATED PEAK PEVERSE VOLTAGE (%)
TA=125 C
FIG. 5- TYPICAL JUNCTION CAPACITANCE
JUN
CTI
ON
CA
PAC
ITA
NC
E (p
F)
REVERSE VOLTAGE (V)
400
100
100.1 1 10 100
Resistive or inductive load0.375''(9.5mm)lead length
TA=25 C
Pulse width=300us1% duty cycle
TJ=125 C
TJ=75 C
TJ=25 C
0.01 1 10 100
100
10
1
0.1
TRA
NS
IEN
T TH
ER
MA
L IM
PE
DA
NC
E ( C/
W) FIG. 6-TYPICAL TRANSIENT
THERMAL IMPEDANCE
t--PULSE DURATION (sec.)
STAR SEADN:S11G04A0
