CHENYI SF31

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