Document
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,
Schottky Barrier Rectifiers
Reverse Voltage 20 to100V Forward Current 3.0A
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: 0.0028 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
symbol
SM 320A
SM SM SM SM SM SM 330A 340A 350A 360A 380A 3100A
Unit
Maximum repetitive peak reverse voltage
VRRM
20 30 40 50 60 80 100
V
Maximum RMS voltage
VRMS
14 21 28 35 42 56 70
V
Maximum DC blocking voltage
VDC
20 30 40 50 60 80 100
V
Maximum average forward rectified current 0.375" (9.5mm) lead length (See fig. 1)
IF(AV)
3.0 A
Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method)
IFSM
100 A
Typical thermal resistance (Note 1)
RθJA
50 °C/W
Operating junction and storage temperature rang TJ, TSTG
–40 to +125
°C
Electrical Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
symbol
Maximum instantaneous forward voltage at 3.0A
Maximum DC reverse current TA = 25°C at rated DC blocking voltage TA = 100°C
VF IR
SM 320A
SM 330A
0.50
SM SM SM 340A 350A 360A
0.70
0.5 10.0
SM SM 380A 3100A
0.85
Typical junction capacitance at 4.0V, 1MHz
CJ
110
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
60 Hz Resistive or
3.0 Inductive Load
( TA = 25°C unless otherwise noted )
Fig. 2 – Maximum Non-repetitive Peak Forward Surge Current
100
TJ = TJ max 8.3ms Single Half Sine-wave (JEDEC Method)
Peak forward surge current (A)
Average Forward Rectified Current (A)
1.5 50
Instantaneous Forward Current (A)
0 0 25 50 75 100 125 150 175 Ambient Temperature, °C Fig 3. – Typical Instantaneous Forward
100 Characteristics
TJ = 25°C Pulse width = 300µs 1% Duty Cycle
10
1.0
0.1
0.01 0.2 0.4 0.6 0.8 1.0 1.2 Instantaneous Forward Voltage (V) Fig 5. –typical transient thermal impedance
100
10
1.0
0.1 0.01
0.1 1.0 10 t,Pulse duration,sec
100
Junction Capacitance (pF)
Instantaneous Reverse Current (mA)
0 1 10 100 Number of Cycles at 60Hz
Fig 4. – Typical Reverse Characteristics 10
Tj=125℃
1.0
Tj=75℃
0.1
0.01
Tj=25℃
0.001 0
20 40
60 80 100
Percent of Rated Peak Reverse Voltage (%)
1000
Fig 6. – Typical Junction Capacitance
TJ = 25°C f = 1.0 MHz Vsig = 50mVp-p
100
10 0.1
1 10 Reverse Voltage (V)
100
2/3
Transient thermal impedance(°C/W)
LESHAN RADIO COMPANY, LTD.
Package Dimensions in inches and (millmeters) Package outline
Dimensions
inches
mm
Note: DO-214AC
Min. Max. Min. Max. molded plastic case
A 0.086 0.110 2.2
2.8 The marking band indicates the
B 0.051 0.067 1.3
1.7 cathode
C
0.185 0.209
4.7
5.3
D
0.067 0.100
1.7
2.55
E 0.035 0.059 0.9
1.5
F 0.035 0.059 0.9 1.5
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LESHAN RADIO COMPANY, LTD.
SMA Packing Specification
1./Reel Packing
Unit:mm
AB C
Label stike this position
Item 7“ 13“
Q'ty/Taping 2K 5K
2./ Inside Box Specification C
B A 3./Outer Box Specification
C
W
Item
13“ Size
7“ Size
Symbol A B C W A B C W
Dimension 13.0±0.2 75.0±0.5 330±1.0 13.2±1.0 13.0±0.2 54±0.5 177±1.0 13.2±1.0
Item Size
Symbol
A B C
Dimension
335±2 335±2 40±1
Item Size
Symbol
A B C
Dimension
350±2 350±2 345±2
B A
.