LESHAN RADIO COMPANY, LTD.
SM320A thru SM3100A
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
Schottky Barrier Rectifiers
Reverse Voltage 20 to100V
Forward Current 3.0A
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:
0.0028 oz., 0.08 g
Handling precautin:None
We declare that the material of product
compliance with RoHS requirements.
Electrical Characteristic
Maximum Ratings & Thermal Characteristics Ratings
at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
0.375" (9.5mm) lead length (See fig. 1)
Peak forward surge current 8.3ms single half
sine-wave superimposed on rated load (JEDEC
Method)
symbol
V
RRM
V
RMS
V
DC
IF(AV)
I
FSM
SM
320A
20
14
20
SM
330A
30
21
30
SM
SM
SM
340A 350A 360A
40
28
40
50
35
50
60
42
60
3.0
100
50
–40 to +125
SM
380A
80
56
80
SM
3100A
100
70
100
Unit
V
V
V
A
A
°C/W
°C
Typical thermal resistance (Note 1)
RθJA
Operating junction and storage temperature rang TJ, TSTG
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 TA = 100°C
Typical junction capacitance at 4.0V, 1MHz
symbol
V
F
IR
CJ
SM
320A
SM
330A
0.50
SM
SM
SM
340A 350A 360A
0.70
0.5
10.0
110
SM
380A
0.85
SM
3100A
Unit
V
mA
PF
NOTES:
1. Thermal resistance from junction to ambient at 0.375” (9.5mm) lead length, P.C.B. mounted
1/3
LESHAN RADIO COMPANY, LTD.
SM320A thru SM3100A
Ratings and Characteristic Curves
Fig. 1
–
Forward Current Derating Curve
Average Forward Rectified Current (A)
60 Hz
Resistive or
Inductive Load
( TA = 25°C unless otherwise noted )
Fig. 2
–
Maximum Non-repetitive Peak
Forward Surge Current
TJ = TJ max
8.3ms Single Half Sine-wave
(JEDEC Method)
1.5
Peak forward surge current (A)
3.0
100
50
0
0
25 50 75 100 125 150 175
Ambient Temperature, °C
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
Junction Capacitance (pF)
0.001
0
20
40
60
80
100
Percent of Rated Peak Reverse Voltage (%)
Fig 6.
–
Typical Junction Capacitance
1000
TJ = 25°C
f = 1.0 MHz
Vsig = 50mVp-p
Transient thermal impedance(°C/W)
100
10
100
1.0
0.1
0.01
0.1
1.0
10
t,Pulse duration,sec
100
10
0.1
1
10
Reverse Voltage (V)
100
2/3
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