SR240M
2 Amp Schottky
Barrier Rectifier
40 Volts
MELF
SUGGESTED SOLDER
PAD LAYOUT
Features
• Schottky Barrier Rectifier
• Guard Ring Protection
• Low Forward Voltage
• Low Power Loss For High Efficiency
• High Current Capability
• Surface Mount Applications
DIMENSIONS
INCHES MM
DIM MIN MAX MIN MAX NOTE
A .190 .205 4.80 5.20
B --- .022 --- .55 Nominal
C .095 .105 2.40 2.67 ∅
Maximum Ratings
• Operating Temperature: -55°C to +125°C
• Storage Temperature: -55°C to +150°C
• Maximum Thermal Resistance: 10°C/W Junction To Lead
• Maximum Thermal Resistance: 40°C/W Junction To Ambient
MCC
Part Number Device
Marking
Maximum
Recurrent
Peak Reverse
Voltage
Maximum
RMS
Voltage
Maximum
DC
Blocking
Voltage
SR240M --- 40V 28V 40V
Electrical Characteristics @ 25°C Unless Otherwise Specified
Average Forward
Current IF(AV) 2.0A TA =75°C
Peak Forward Surge
Current IFSM 50A 8.3ms, half sine
Maximum
Instantaneous
Forward Voltage VF .50V IFM = 2.0A;
TJ = 25°C*
Maximum DC
Reverse Current At
Rated DC Blocking
Voltage
IR 0.5mA
10mA TJ = 25°C
TJ = 100°C
Typical Junction
Capacitance CJ 150pF Measured at
1.0MHz, VR=4.0V
*Pulse test: Pulse width 300 µsec, Duty cycle 2%
A
B
C
Cathode Mark
.220”
.035”
.115”
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omponents
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Instantaneous Forward Current - Amperes versus
Instantaneous Forward Voltage - Volts
Figure 1
Typical Forward Characteristics
0
.2 .4 .6 .8 1.0 1.2 1.4
.1
.2
.4
.6
.8
1.0
2.0
4.0
6.0
8.0
10
20
40
60
80
100
25°C
Volts
Amps
Figure 2
Typical Junction Capacitance
Junction Capacitance - pF versus
Reverse Voltage - Volts
Volts
pF
0.
0.5
1.0
5.0
10
50
100
10
20
40
60
100
200
400
600
1000
SR240M
Average Forward Rectified Current - Amperes versus
Ambient Temperature - °C
Figure 3
Forward Derating Curve
0 150 25 50 75 100
0
.2
.4
.6
.8
1.0
1.2
1.4
Amps
°C
125
1.6
1.8
2.0
2.2
2.4
Single Phase, Half Wave
60Hz Resistive or Inductive Load
1 100
4
0
9
18
27
8
Figure 4
Peak Forward Surge Current
Peak Forward Surge Current - Amperes versus
Number Of Cycles At 60Hz - Cycles
Amps
Cycles
2
6
10
20
60
80
40
36
45
54
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