SR320 thru SR3100
Axial Lead Schottky Rectifiers
P b
Lead(Pb)-Free
FEATURES:
* Axial lead type devices for through hole design
* High current capability, low forward voltage drop.
* High surge capability.
* Guardring for overvoltage protection.
* Ultra high-speed switching.
* Silicon epitaxial planar chip, metal silicon junction.
* Lead-free parts meet environmental standards of
MIL-STD-19500 /228
REVERSE VOLTAGE
20 TO 100 VOLTS
FORWARD CURRENT
3.0 AMPERE
MECHANICAL DATA:
* Case: Molded plastic
* Epoxy: UL 94V-0 rat
retardant
* Lead: Axial leads, solderable per MIL-STD-202,
method 208 guranteed
* Polarity: Color band denotes cathode end
* Mounting position: Any
* Weight: 1.10 grams
DO-201AD
DO-201AD Outline Dimensions
Unit:mm
DO-201AD
25.40
7.30
9.50
1.20
1.30
4.80
5.60
WEITRON
http://www.weitron.com.tw
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23-May-08
SR320 thru SR3100
Maximum Rating
Characteristic
Maximum Recurrent Peak Reverse Voltage
RMS Reverse Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rec
See Fig.1
Current
Symbol
SR320 SR330 SR340 SR350 SR360 SR380 SR3100
UNIT
V
RRM
VR
(RMS)
V
R
I
F(AV)
20
14
20
30
21
30
40
28
40
50
35
50
3.0
60
42
60
80
56
80
100
70
100
V
V
V
A
Peak Forward Surge Current
8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Thermal Resistance
I
FSM
80
A
R
θJA
C
J
T
J
T
STG
300
50
250
-65 to +150
-65 to +150
°C/W
pF
°C
°C
Diode Junction Capacitance
f=1MHz and applied 4V DC reverse voltage
Operating Junction Temperature Range
Storage Junction Temperature Range
Electrical Characteristic
Characteristic
Maximum Instanatneous Forward Voltage
I
F
=3.0A
Maximum Instantaneous Reverse Current
Rated DC Blocking Voltage, T
A
=25°C
Rated DC Blocking, T
A
=100°C
Symbol
SR320 SR330 SR340 SR350 SR360 SR380 SR3100
UNIT
V
F
0.55
0.70
1.0
30
0.85
V
mA
I
R
WEITRON
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23-May-08
SR320 thru SR3100
RATINGAND CHARACTERISTIC CURVES
WEITRON
AVERAGE FORWARD CURRENT,(A)
3.0
2.5
INSTANTANEOUS FORWARD CURRENT,(A)
2.0
SR
1.5
1.0
0.5
0
0
20
40
60
80
10
3.0
0V
~6
0
~4
V
20
50
1.0
100
120
140
160
180
200
AMBIENT TEMPERATURE,( C)
FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE
0.1
T
J
=25 C
Pulse Width 300us
1% Duty Cycle
o
PEAK FORWAARD SURGE CURRENT,(A)
100
80
.01
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
FORWARD VOLT
AGE,(V)
60
T
J
=25 C
8.3ms Single Half
Sine Wave
JEDEC method
FIG.2-TYPICAL FORWARD CHARACTERISTICS
40
20
0
1
5
10
50
100
100
NUMBER OF CYCLES AT 60Hz
FIG.3-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
700
600
500
400
300
200
100
0
JUNCTION CAPACITANCE,(pF)
REVERSE LEAKAGE CURRENT, (mA)
10
1.0
T
J
=75 C
.1
T
J
=25 C
.01
.05
.1
.5
1
5
10
50
100
.01
0
20
40
60
80
REVERSE VOLTAGE,(V)
PERCENT OF RATED PEAK REVERSE VOLTAGE,(%)
FIG.4-TYPICAL JUNCTION CAPACITANCE
FIG.5 - TYPICAL REVERSE CHARACTERISTICS
WEITRON
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80
~1
100 120 140
00
V
0
32
SR
R
~S
34
0
35
3
SR
0~
10
0
23-May-08
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