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: -55°C to +125°C
Storage Temperature: -55°C to +150°C
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 @ 25°C Unless Otherwise Specified
Average Forward
I
F(AV)
3.0 A
T
C
= 55°C
Current
Peak Forward Surge
I
FSM
100A
8.3ms, half sine
Current
Maximum
Instantaneous
Forward Voltage
I
FM
= 3.0A;
V
F
.95V
SF31-SF34
1.3V
SF35-SF36
T
C
= 25°C
1.7V
SF38
Maximum DC
I
R
Reverse Current At
5.0µA
T
C
= 25°C
Rated DC Blocking
100µA T
C
= 100°C
Voltage
Typical Junction
Capacitance
C
J
SF31-SF34
100pF Measured at
1.0MHz, V
R
=4.0V
SF35-SF38
80pF
Maximum Reverse
I
F
=0.5A, I
R
=1.0A,
T
rr
35ns
Recovery Time
I
rr
=0.25A
*Pulse Test: Pulse Width 300µsec, 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
www.cnelectr .com
SF31 thru SF38
Figure 1
Typical Reverse Characteristics
Figure 2
Typical Forward Characteristics
SF31-SF34 SF35 -SF36
1000
10
T
j
=100°C
uAmps 100
Amps
1
SF38
T
j
=25°C
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
www.cnelectr.com
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
3
8
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
50Ω
10Ω
t
rr
+0.5A
0
25Vdc
Pulse
Generator
Note 2
1Ω
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
www.cnelectr.com
测试/测量
