MELF Schottky Barrier Diodes
SM120 THRU SM160
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 T
A
=25
o
C unless otherwise noted)
PARAMETER
Forward rectified current
Forward surge current
See Fig.1
8.3ms single half sine-wave superimposed on
rate load (JEDEC methode)
V
R
= V
RRM
T
A
=
25
o
C
o
CONDITIONS
Symbol
I
O
I
FSM
MIN.
TYP.
MAX.
1.0
40
1.0
10
UNIT
A
A
mA
mA
o
Reverse current
Thermal resistance
Diode junction capacitance
Storage temperature
I
R
Rq
JA
C
J
T
STG
-55
50
110
V
R
= V
RRM
T
A
= 125 C
Junction to ambient
f=1MHz and applied 4vDC reverse voltage
C / w
pF
+150
o
C
SYMBOLS
MARKING
CODE
-
-
-
-
-
V
RRM
(V)
*1
V
RMS
(V)
14
21
28
35
42
*2
V
R
*3
V
F
*4
Operating
temperature
(
o
C)
(V)
20
30
40
50
60
(V)
SM120
SM130
SM140
SM150
SM160
20
30
40
50
60
0.55
-55 to +125
*1 Repetitive peak reverse voltage
*2 RMS voltage
0.70
-55 to +150
*3 Continuous reverse voltage
*4 Maximum forward voltage
RATING AND CHARACTERISTIC CURVES (SM120 THRU SM160)
FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT,(A)
FIG.2-TYPICAL FORWARD
CHARACTERISTICS
1.2
1.0
50
INSTANTANEOUS FORWARD CURRENT,(A)
0.8
15
SM
12
SM
0.4
0.2
1.0
0
20
40
60
80
100
120
140
160
180
200
AMBIENT TEMPERATURE ( C)
FIG.3-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
PEAK FORWAARD SURGE CURRENT,(A)
50
SM
15
0~
SM
16
3.0
SM
12
0~
SM
14
0
0.6
10
0
0~
0~
14
SM
0
16
SM
0
Tj=25 C
Pulse Width 300us
1% Duty Cycle
0.1
40
.01
.1
.3
.5
.7
.9
1.1
1.3
1.5
FORWARD VOLT
AGE,(V)
30
Tj=25 C
8.3ms Single Half
Sine Wave
JEDEC method
20
10
FIG.5 - TYPICAL REVERSE
0
1
5
10
50
100
CHARACTERISTICS
100
NUMBER OF CYCLES AT 60Hz
FIG.4-TYPICAL JUNCTION CAPACITANCE
350
300
250
200
150
100
50
0
JUNCTION CAPACITANCE,(pF)
REVERSE LEAKAGE CURRENT, (mA)
10
1.0
Tj=75 C
.1
Tj=25 C
.01
.05
.1
.5
1
5
10
50
100
.01
0
20
40
60
80
100 120 140
REVERSE VOLTAGE,(V)
PERCENTAGE RATED PEAK REVERSE VOL
TAGE