SM320A thru SM3100A
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 DO-214AC,
molded plastic over glass body
Terminals: Plated axial leads, solderable per
MIL-STD-750, Method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight: 0.0023 oz., 0.065 g
Handling precautin:None
We declare that the material of product compliance
with ROHS requirements
1.Electrical Characteristic
Maximum & Thermal Characteristics Ratings
at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
device marking code
Maximum repetitive peak reverse voltage
Maximum RSM voltage
Maximum DC blocking voltage
Maximum average forward rectified current
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
RθJA
TJ,
TSTG
symbol SM320A SM330A SM340A SM350A SM360A SM380A SM3100A
S32
20
14
20
S33
30
21
30
S34
40
28
40
S35
50
35
50
3.0
100
160
–40
to +150
S36
60
42
60
S38
80
56
80
S310
100
70
100
V
V
V
A
A
°C/W
°C
Unit
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 SM320A SM330A SM340A SM350A SM360A SM380A SM3100A
V
F
IR
CJ
0.50
0.2
30
180
0.70
0.85
Unit
V
mA
PF
SM320A thru SM3100A
2.Ratings and Characteristic Curves
( TA = 25°C unless otherwise noted )
Fig. 1
–
Forward Current Derating Curve
Average Forward Rectified Current (A)
60 Hz
Resistive or
Inductive Load
Fig. 2
–
Maximum Non-repetitive Peak
Forward Surge Current
Peak forward surge current (A)
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
10
Fig 4.
–
Typical Reverse Characteristics
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
Instantaneous Forward Voltage (V)
1.2
0.001
0
20
40
60
80
Percent of Rated Peak Reverse Voltage (%)
1000
Fig 6.
–
Typical Junction Capacitance
TJ = 25°C
f = 1.0 MHz
Vsig = 50mVp-p
100
Transient thermal impedance(°C/W)
100
10
1
0.01
0.1
1.0
10
t,Pulse duration,sec
100
Junction Capacitance (pF)
1000
Fig 5.
–typical
transient thermal
impedance
100
10
0.1
1
10
Reverse Voltage (V)
100
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