Shanghai Lunsure Electronic
Technology Co.,Ltd
Tel:0086-21-37185008
Fax:0086-21-57152769
SR305
THRU
SR3010
3 Amp Schottky
Barrier Rectifier
50 to 100 Volts
DO-201AD
Features
•
•
•
•
Low Switching Noise
Low Forward Voltage Drop
High Current Capability
High Surge Current Capability
•
•
•
Maximum Ratings
Operating Temperature: -55°C to +125°C
Storage Temperature: -55°C to +150°C
Maximum Thermal Resistance; 30
°C/W
Junction To Ambient
Device
Marking
Maximum
Recurrent
Peak
Reverse
Voltage
50V
60V
80V
100V
Maximum
RMS
Voltage
Maximum
DC
Blocking
Voltage
50V
60V
80V
100V
Catalog
Number
D
SR305
SR306
SR308
SR3010
---
---
---
---
35V
42V
56V
70V
A
Cathode
Mark
B
Electrical Characteristics @ 25°C Unless Otherwise Specified
Average Forward
I
F(AV)
3.0A
T
A
= 85°C
Current
Peak Forward Surge
I
FSM
80A
8.3ms, half sine
Current
Maximum
Instantaneous
Forward Voltage
.72V
I
FM
= 3.0A;
SR305-306
V
F
.85V
SR308-3010
T
J
= 25°C*
Maximum DC
1.0mA
Reverse Current At
I
R
T
J
= 25°C
30mA
Rated DC Blocking
T
J
= 100°C
Voltage
Typical Junction
C
J
200pF
Measured at
Capacitance
1.0MHz, V
R
=4.0V
*Pulse test: Pulse width 300
µsec,
Duty cycle 1%
D
C
DIMENSIONS
INCHES
MIN
---
---
.048
1.000
MM
MIN
---
---
1.20
25.40
DIM
A
B
C
D
MAX
.370
.250
.052
---
MAX
9.50
6.40
1.30
---
NOTE
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SR305 thru SR3010
Figure 1
Typical Forward Characteristics
20
10
6
4
2
SR305-SR306
Amps
1
.6
.4
1
.2
25°C
.1
.06
.04
.02
.01
.2
.4
.6
Volts
Instantaneous Forward Current - Amperes
versus
Instantaneous Forward Voltage - Volts
.8
1.0
1.2
90
75
60
45
Amps
30
15
5
0
0
Single Phase, Half Wave
60Hz Resistive or Inductive Load
0
50
75
100
°C
Average Forward Rectified Current - Amperes
versus
Ambient Temperature -
°C
Figure3
Maximum Non-Repetitive Forward Surge Current
125
150
175
SR308-SR3010
Amps
2
4
6
Figure 2
Forward Derating Curve
5
3
1
2
4
6
8 10
Cycles
20
40
60 80 100
Figure 4
Junction Capacitance
100
60
0
40
0
200
pF
10
6
4
0
20
10
.1
.2
.4
1
2
Volts
4
10
20
4
0
100 200 400
100
0
T
J
=25°
C
Peak Forward Surge Current - Amperes
versus
Number Of Cycles At 60Hz - Cycles
Junction Capacitance - pF
versus
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