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 Shanghai Lunsure Electronic Technology Co.,Ltd Tel:0086-21-37185008 Fax:0086-21-57152769
SF31 THRU SF38
3.0 Amp Super Fast Rectifier 50 to 600 Volts
DO-201AD
* * * *
Features
High Surge Capability Low Forward Voltage Drop High Current Capability High Reliability
* * *
Maximum Ratings
Operating Temperature: -55C to +125C Storage Temperature: -55C to +150C For capacitive load, derate current by 20% Maximum Recurrent Peak Reverse Voltage 50V 100V 150V 200V 300V 400V 600V Maximum RMS Voltage 35V 70V 105V 140V 210V 280V 420V Maximum DC Blocking Voltage
D
Part Number SF31 SF32 SF33 SF34 SF35 SF36 SF38
50V 100V 150V 200V 300V 400V 600V
A Cathode Mark B D
Electrical Characteristics @ 25C Unless Otherwise Specified
Average Forward IF(AV) 3.0 A TC = 55C Current Peak Forward Surge IFSM 100A 8.3ms, half sine Current Maximum Instantaneous Forward Voltage IFM = 3.0A; VF .95V SF31-SF34 1.3V SF35-SF36 TC = 25C 1.7V SF38 Maximum DC IR Reverse Current At 5.0A TC= 25C Rated DC Blocking 100A TC = 100C Voltage Typical Junction Capacitance CJ SF31-SF34 100pF Measured at 1.0MHz, VR=4.0V SF35-SF38 80pF Maximum Reverse IF=0.5A, IR=1.0A, Trr 35ns Recovery Time Irr=0.25A *Pulse Test: Pulse Width 300sec, Duty Cycle 1%
C
DIMENSIONS INCHES MIN MAX --.370 --.250 .048 .052 1.000 --MM MIN ----1.20 25.40 MAX 9.50 6.40 1.30 --NOTE
DIM A B C D
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SF31 thru SF38
Figure 1 Typical Reverse Characteristics Figure 2 Typical Forward Characteristics SF31-SF34 SF35 -SF36 1000 10
Tj =100C uAmps 100 Amps 1
SF38
Tj =25C 10 0.1
1 20
0.01 40 60 80 100 120 Volts Instantaneous Reverse Current - uAmperes versus Percent of Rated Peak Reverse Voltage - % Figure 3 Forward Derating Curve
0.6
0.8
1.0 Volts
1.2
1.4
1.6
Instantaneous Forward Current - Amperes versus Instantaneous Forward Voltage - Volts
3.0
2.5
2.0
1.5 Amps 1.0
0.5 0
Single Phase, Half Wave 60Hz Resistive or Inductive Load 0 25 50 75 C 100 125 150
Average Forward Rectified Current Per Leg - Amperes versus Case Temperature - C
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SF31 thru SF38
140
Figure 4 Maximum Non-repetitive Forward Surge Current
Figure 5
200 180 160 140 120 100 80 60 .1
Typical Junction Capacitance
PEAK FORWARD SURGE CURRENT. (A)
100 80 60 40 20 0
8.3ms Single Half Sine Wave JEDEC Method
JUNCTION CAPACITANCE.(pF)
120
SF
SF
31
~S
F3
35~
4
SF
38
1
2
5
10
20
50
100
NUMBER OF CYCLES AT 60Hz
.5
1
2 5 10 20 REVERSE VOLTAGE. (V)
50
100 200
500
1000
Figure 6 Reverse Recovery Time Characteristic And Test Circuit Diagram 50 10 trr
+0.5A 0 25Vdc Pulse Generator Note 2 1 Oscilloscope Note 1 -0.25
-1.0 1cm Set Time Base for 20/100ns/cm
Notes: 1. Rise Time = 7ns max. Input impedance = 1 megohm, 22pF 2. Rise Time = 10ns max. Source impedance = 50 ohms 3. Resistors are non-inductive
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