SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER
VOLTAGE RANGE 20 to 60 Volts CURRENT 1.0 Ampere
FEATURES
*
*
*
*
*
SM120
THRU
SM160
Ideal for surface mounted applications
Low leakage current
Metallurgically bonded construction
Mounting position: Any
Weight: 0.015 gram
MECHANICAL DATA
DISCONTINUED-
* Epoxy : Device has UL flammability classification 94V-0
D
co
is
ed
nu
ti
n
.205 ( 5.2 )
.190 ( 4.8 )
SOLDERABLE
ENDS
MELF
"This series is replaced by the FM1XX series that meets to the same
fit and function parameters and share the same solder pad layout.
The FM1XX series is preferred for error-free vacuum pick-up and
PCB assembly.＂
.024 ( 0.6 )
.016 ( 0.4 )
.106 ( 2.7 )
.095 ( 2.4 )
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
o
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Dimensions in inches and (millimeters)
MAXIMUM RATINGS
(@ T
A
=25
O
C unless otherwise noted)
RATINGS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
at Derating Case Temperature
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Typical Junction Capacitance (Note 2)
Operating Temperature Range
Storage Temperature Range
SYMBOL
V
RRM
V
RMS
V
DC
I
O
I
FSM
C
J
T
J
T
STG
SM120
20
14
20
SM130
30
21
30
SM140
40
28
40
1.0
40
110
150
-55 to + 150
SM150
50
35
50
SM160
60
42
60
UNITS
Volts
Volts
Volts
Amps
Amps
pF
0
0
C
C
ELECTRICAL CHARACTERISTICS
(@T
A
=25
O
C unless otherwise noted)
CHARACTERISTICS
Maximum Instantaneous Forward Voltage at 1.0A DC
Maximum Average Reverse Current
at Rated DC Blocking Voltage
@T
A
= 25 C
@T
A
= 100 C
o
o
SYMBOL
V
F
I
R
SM120
SM130
.55
SM140
0.2
2
SM150
.70
SM160
UNITS
Volts
mA
mA
2007-5
NOTES : 1. Measured at 1 MHz and applied reverse voltage of 4.0 volts.
2. “Fully ROHS compliant”, “100% Sn plating (Pb-free)”.
RATING AND CHARACTERISTICS CURVES ( SM120 THRU SM160 )
INSTANTANEOUS FORWARD CURRENT, (mA)
AVERAGE FORWARD CURRENT, (A)
1.0
Single Phase Half Wave
60Hz Inductive Load
SM
12
100
10
1.0
0.1
0.01
0.001
0
T
A
= 100
O
C
0.75
SM1
SM1
50
~
SM
0
~
14
0
0.50
60
T
A
= 75
O
C
T
A
= 25
O
C
SM120
~
SM140
SM150~SM160
0.25
P.C.B. Mounted on
0.4
X
0.4"(10
X
10mm)
copper pad areas
0
0
25
50
75
100
125
O
150
175
20
40
60
80
100
120
140
CASE TEMPERATURE, ( C)
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
INSTANTANEOUS REVERSE CURRENT, (A)
10
SM120
~
SM140
C
J
, JUNCTION CAPACITANCE, (pF)
20
FIG.1 TYPICAL FORWARD CURRENT
DERATING CURVE
400
200
100
80
60
40
20
10
FIG.2 TYPICAL REVERSE
CHARACTERISTICS
T
J
= 25
O
C
1.0
SM150
~
SM160
T
J
= 25
O
C
Pulse width=300mS
1% Duty Cycle
0.1
0.1
0.3
0.5
0.7
0.9
1.1
1.3
1.5
1.7
1.9 2.1
0.1
0.4
1.0
4
10
40 80
INSTANTANEOUS FORWARD VOLTAGE, (V)
REVERSE VOLTAGE, (V)
FIG.3 TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
PEAK FORWARD SURGE CURRENT, (A)
FIG.4 TYPICAL JUNCTION CAPACITANCE
50
40
30
20
10
0
1
8.3mS Single Half Sine-Wave
JEDEC Method
2
4
6
8 10
20
40
80 100
NUMBER OF CYCLES AT 60Hz
FIG.5 MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
Mounting Pad Layout
.100 (2.54)
F-SLOT WIDTH
OPTIMUM PAD SIZE
.100 (2.54)
.100 (2.54)
.200 (5.08)
.300 (7.62)
Dimensions in inches and (millimeters)
