Document
MELF Schottky Barrier Diodes
SM5817 THRU SM5819
Silicon epitaxial planer type
Formosa MS
SM-1
Features
Plastic package has Underwriters Laboratory Flammability Classification 94V-O Utilizing Flame Retardant Epoxy M olding Compound. For surface mounted applications.
.205(5.2) .190(4.8) .024(.60) .018(.46)
SOLDERABLE ENDS
Exceeds environmental standards of MIL-S-19500 / 228 Low leakage current.
.105(2.7) .095(2.4)
Mechanical data
Case : Molded plastic, SM-1 (MELF) Terminals : Solder plated, solderable per MIL-STD-750, Method 2026 Polarity : Indicated by c athode band Mounting P osition : Any Weight : 0.015 gram
Dimensions in inches and (millimeters)
MAXIMUM RATINGS (AT TA=25oC unless otherwise noted)
PARAMETER Forward rectified current Forward surge current See Fig.2 8.3ms single half sine-wave superimposed on rate load (JEDEC methode) VR = VRRM TA = 25o C CONDITIONS Symbol IO IFSM MIN. TYP. MAX. 1.0 25 1.0 10 Rq JA CJ TSTG -55 80 110 +150
o
UNIT A A mA mA C / w pF
o
Reverse current Thermal resistance Diode junction capacitance Storage temperature
VR = VRRM TA = 100o C Junction to ambient f=1MHz and applied 4vDC reverse voltage
IR
C
SYMBOLS
MARKING CODE -
V RRM
(V)
*1
V RMS
(V) 14 21 28
*2
VR
*3
VF
*4
Operating temperature ( o C)
*1 Repetitive peak reverse voltage *2 RMS voltage
(V) 20 30 40
(V) 0.45 0.55 0.60
SM5817 SM5818 SM5819
20 30 40
-55 to +125
*3 Continuous reverse voltage *4 Maximum forward voltage
RATING AND CHARACTERISTIC CURVES (SM5817 THRU SM5819)
FIG.1-TYPICAL FORWARD CHARACTERISTICS
AVERAGE FORWARD CURRENT,(A)
FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE
50
INSTANTANEOUS FORWARD CURRENT,(A)
1.2 1.0 0.8 0.6 0.4 0.2 0 0 20 40 60 80 100 120 140 160 180 200
Single Phase Half Wave 60Hz Resistive Or Inductive Load
10
SM 58
1.0
Tj=25 C Pulse Width 300us 1% Duty Cycle
SM 58
3.0
18
~S M 58
17
19
AMBIENT TEMPERATURE ( C) FIG.4-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT
PEAK FORWAARD SURGE CURRENT,(A)
25
0.1
.01
.1
.3
.5
.7
.9
1.1
1.3
1.5
20
FORWARD VOLT AGE,(V)
15
Tj=25 C 8.3ms Single Half Sine Wave JEDEC method
10
5
FIG.3 - TYPICAL REVERSE CHARACTERISTICS 100
0 1 5 10 50 100
NUMBER OF CYCLES AT 60Hz
REVERSE LEAKAGE CURRENT, (mA)
10
350 300 250 200 150 100 50 0
FIG.5-TYPICAL JUNCTION CAPACITANCE
1.0
Tj=75 C
.1
Tj=25 C
.01 0
JUNCTION CAPACITANCE,(pF)
.01
.05
.1
.5
1
5
10
50
100
20
40
60
80
100 120 140
REVERSE VOLTAGE,(V)
PERCENTAGE RATED PEAK REVERSE VOL TAGE
.