SM320AF thru SM3100AF
Schottky Barrier Rectifiers
Reverse Voltage 20 to100V Forward Current 3.0A
FEATURES
* Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
* Low power loss,high efficiency
* For use in low voltage high frequency inverters,
free wheeling,and polarity protection applications
* Guardring for over voltage protection
* High temperature soldering guaranteed:
260°C/10 seconds at terminals
Mechanical Data
Case:
JEDEC SMA-FL
molded plastic over glass die
Terminals:
Plated leads, solderable per
MIL-STD-750, Method 2026
Polarity:
Color band denotes cathode end
Mounting Position:
Any
Weight:
0.0327 g
Handling precautin:None
We declare that the material of product is
Haloggen free (green epoxy compound)
1.Electrical Characteristic
Maximum& Thermal Characteristics Ratings
Parameter Symbol
device marking code
Maximum repetitive peak reverse voltage
Maximum RSM voltage
Maximum DC blocking voltage
Maximum average forward rectified current
lead length (See fig. 1) at TC = 75°C
Peak forward surge current 8.3ms single half sine-wave
superimposed on rated load (JEDEC Method)
Typical thermal resistance (Note 1)
Operating junction and storage temperature range
V
RRM
V
RSM
V
DC
IF(AV)
I
FSM
RθJ
A
RθJ
C
TJ,
TSTG
symbol
at 25°C ambient temperature unless otherwise specified.
SM320 SM330 SM340
AF
AF
AF
S32
20
14
20
S33
30
21
30
S34
40
28
40
SM345
AF
S345
45
31.5
45
SM350
AF
S35
50
35
50
3.0
100
150
25
SM360 SM380
AF
AF
S36
60
42
60
S38
80
56
80
SM3100
AF
S310
100
70
100
Unit
V
V
V
A
A
°C/W
°C
–40 to +150
Electrical Characteristics Ratings
at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
Maximum instantaneous forward voltage at 3.0A
Maximum DC reverse current TA = 25°C
at rated DC blocking voltage TJ = 100°C
Typical junction capacitance at 4.0V, 1MHz
NOTES:
1. 8.0mm2 (.013mm thick) land areas
symbol
V
F
IR
CJ
SM320 SM330 SM340
AF
AF
AF
0.50
SM345
AF
SM350 SM360 SM380 SM3100
AF
AF
AF
AF
0.70
0.85
0.5
30.0
110
Unit
V
mA
PF
SM320AF thru SM3100AF
2.Ratings and Characteristic Curves
( TA = 25°C unless otherwise noted )
Fig. 1
–
Forward Current Derating Curve
Average Forward Rectified Current (A)
Peak forward surge current (A)
60 Hz
Resistive or
Inductive Load
Fig. 2
–
Maximum Non-repetitive Peak
Forward Surge Current
TJ = TJ max
8.3ms Single Half Sine-wave
(JEDEC Method)
3.0
100
1.5
50
0
0
25 50 75 100 125
Case Temperature, °C
150 175
0
1
10
Number of Cycles at 60Hz
100
Instantaneous Forward Current (A)
10
TJ = 25°C
Pulse width = 300µs
1% Duty Cycle
Instantaneous Reverse Current (mA)
100
Fig 3.
–
Typical Instantaneous Forward
Characteristics
Fig 4.
–
Typical Reverse Characteristics
10
Tj=125℃
1.0
Tj=75℃
1.0
0.1
0.1
0.01
Tj=25℃
0.01
0.2
0.4
0.6
0.8
1.0
1.2
Instantaneous Forward Voltage (V)
Fig 5.
–typical
transient thermal
impedance
0.001
0
20
40
60
80
100
Percent of Rated Peak Reverse Voltage (%)
Fig 6.
–
Typical Junction Capacitance
1000
Junction Capacitance (pF)
TJ = 25°C
f = 1.0 MHz
Vsig = 50mVp-p
1000
Transient thermal impedance(°C/W)
100
100
10
1
0.01
0.1
1.0
10
t,Pulse duration,sec
100
10
0.1
1
10
Reverse Voltage (V)
100
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