B5817W THRU B5819W
SCHOTTKY DIODE
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
FEATURES
MECHANICAL DATA
For use in low voltage, high frequency inverters Free wheeling, and polanty protection applications
Electrical ratings @T A =25C SYMBOLS
Test conditions V (BR)
Reverse breakdown voltage
Reverse voltage leakage current
Forward voltage
Diode capacitance PARAMETER
Min.Max.
Unit V V V
I R =1mA 0.450.750.55
0.8750.60.9
120191.5250500-65 to +150
30
Maximum ratings and electrical characteristics, Single diode @T A =25C SYMBOLS
UNITS V RRM V RWM V R 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 T STG V RM
V V A A A mW K/W C V
B5818W
3021V R(RMS)
I O Pd PARAMETER
I FSM R ΘJA I R
203040
pF
I FRM B5817W
B5819W 204014
28
2040
C D V F
1mA
V V V
V R =4V,f=1.0MHz
B5817W B5818W B5819W V R =20V V R =30V V R =40V
B5817W B5818W B5819W I F =1A I F =3A
B5817W
B5818W B5819W
SOD-123
Dimensions in millimeters and (inches)
RATINGS AND CHARACTERISTIC CURVES B5817W THRU B5819W
0 10 100
NUMBER OF CYCLES AT 60Hz
FIG. 2-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
FIG. 1- FORWARD CURRENT DERATING CURVE
A V E R A G E F O R W A R D C U R R E N T (A )
10.8
9.0
7.2
5.4
3.6
1.8
CASE TEMPERATURE( C )P E A K F O R W A R D S U R G E C U R R E N T (A )
0 20 40 60 80 100 120 140
FIG. 3- TYPICAL INSTANTANEOUS
I N
S T A N T A N E O
U S F O R W A R D C U R R E N T (A )
0 0.4 0.8 1.2 1.6INSTANTANEOUS FORWARD VOLTAGE(V)FIG. 4- TYPICAL REVERSE CHARACTERISTICS
I N S T A N T A N E O U S R E V E R S E C U R R E N T (m A )
0 20 40 60 80 100
100
10
1.0
0.1
0.010.001
PERCENT OF RATED PEAK PEVERSE VOLTAGE (%)
FIG. 5- TYPICAL JUNCTION CAPACITANCE
J U N C T I O N C A P A C I T A N C E (p F )
REVERSE VOLTAGE (V)400
100
10
0.1 1 10 100
0.01 1 10 100
100
10
1
0.1
T R A N S I E N T T H E R M A L I M P E D A N C E ( C /W )
FIG. 6-TYPICAL TRANSIENT THERMAL IMPEDANCE
t--PULSE DURATION (sec.)
