SF31
THRU
SF38
3.0 Amp Super Fast
Rectifier
50 to 600 Volts
Features
Maximum Ratings
• Operating Temperature: -55°C to +125°C
• Storage Temperature: -55°C to +150°C
• For capacitive load, derate current by 20%
MCC
Part Number
Maximum
Recurrent
Peak Reverse
Voltage
Maximum
RMS Voltage
Maximum DC
Blocking
Voltage
SF31 50V 35V 50V
SF32 100V 70V 100V
SF33 150V 105V 150V
SF34 200V 140V 200V
SF35 300V 210V 300V
SF36 400V 280V 400V
SF38 600V 420V 600V
Electrical Characteristics @ 25°C Unless Otherwise Specified
Average Forward
Current IF(AV) 3.0 A TC = 55°C
Peak Forward Surge
Current IFSM 100A 8.3ms, half sine
Maximum
Instantaneous
Forward Voltage
SF31-SF34
SF35-SF36
SF38
VF .95V
1.3V
1.7V
IFM = 3.0A;
TC = 25°C
Maximum DC
Reverse Current At
Rated DC Blocking
Voltage
IR 5.0µA
100µA TC= 25°C
TC = 100°C
Typical Junction
Capacitance
SF31-SF34
SF35-SF38 CJ 100pF
80pF Measured at
1.0MHz, VR=4.0V
Maximum Reverse
Recovery Time Trr 35ns IF=0.5A, IR=1.0A,
Irr=0.25A
DO-201AD
DIMENSIONS
INCHES MM
DIM MIN MAX MIN MAX NOTE
C .048 .052 1.20 1.30
D 1.000 --- 25.40 ---
A
B
C
D
D
Cathode
Mark
omponents
20736 Marilla Street Chatsworth
!"#
$% !"#
MCC
Revision: B 2013/01/01
TM
Micro Commercial Components
A .287 .374 7.30 9.50
B .189 .208 4.80 5.30
www.mccsemi.com
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Notes:1.High Temperature Solder Exemption Applied, see EU Directive Annex 7.
• Lead Free Finish/RoHS Compliant(Note 1) ("P" Suffix designates
RoHS Compliant. See ordering information)
• High Surge Capability
• Marking: Type Number
• Epoxy meets UL 94 V-0 flammability rating
• Moisture Sensitivity Level 1
• Halogen free available upon request by adding suffix "-HF"
Average Forward Rectified Current Per Leg - Amperes versus
Case Temperature - °C
Figure 3
Forward Derating Curve
0 150 25 50 75 100
0
0.5
1.0
1.5
Single Phase, Half Wave
60Hz Resistive or Inductive Load
Amps
°C
125
2.0
2.5
3.0
Instantaneous Reverse Current - uAmperes versus
Percent of Rated Peak Reverse Voltage - %
Figure 1
Typical Reverse Characteristics
1000
uAmps
20 40 60 80 100
120
1
10
100
Tj=100°C
Volts
Instantaneous Forward Current - Amperes versus
Instantaneous Forward Voltage - Volts
Figure 2
Typical Forward Characteristics
10
Amps
0.6 0.8 1.0 1.2 1.4 1.6
0.01
0.1
1
Volts
Tj=25
°
C
SF31-SF34 SF35-SF36
MCC
SF31 thru SF38
SF38
Revision: B 2013/01/01
TM
Micro Commercial Components
www.mccsemi.com
2 of 4
trr
+0.5A
0
-0.25
-1.0
1cm
Set Time Base for 20/100ns/cm
25Vdc
1Ω
50Ω
10Ω
Oscilloscope
Note 1
Pulse
Generator
Note 2
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
Figure 6
Reverse Recovery Time Characteristic And Test Circuit Diagram
Figure 4
Maximum Non-repetitive Forward Surge Current
PEAK FORWARD SURGE CURRENT. (A)
12 5 10 20 10050
20
0
40
100
80
60
120
140
NUMBER OF CYCLES AT 60Hz
8.3ms Single Half Sine Wave
JEDEC Method
Figure 5
JUNCTION CAPACITANCE.(pF)
.1 .5 1 52 10 20 50 100 200 500 1000
60
80
100
120
140
160
180
200
REVERSE VOLTAGE. (V)
SF31~SF34
SF35~SF38
Typical Junction Capacitance
MCC
SF31 thru SF38
Revision: B 2013/01/01
TM
Micro Commercial Components
www.mccsemi.com
3 of 4
MCC
Revision: B 2013/01/01
TM
Micro Commercial Components
www.mccsemi.com
4 of 4
Device Packing
Part Number-TP Tape&Reel: 1.2Kpcs/Reel
Part Number-AP Ammo Packing: 1.2Kpcs/Ammo Box
Part Number-BP Bulk: 12Kpcs/Carton
Ordering Information :
***IMPORTANT NOTICE***
Micro Commercial Components Corp. reserves the right to make changes without further notice to any product herein to
make corrections, modifications , enhancements , improvements , or other changes . Micro Commercial Components
Corp . does not assume any liability arising out of the application or use of any product described herein; neither does it
convey any license under its patent rights ,nor the rights of others . The user of products in such applications shall assume all
risks of such use and will agree to hold Micro Commercial Components Corp . and all the companies whose products are
represented on our website, harmless against all damages.
***LIFE SUPPORT***
MCC's products are not authorized for use as critical components in life support devices or systems without the express written
approval of Micro Commercial Components Corporation.
***CUSTOMER AWARENESS***
Counterfeiting of semiconductor parts is a growing problem in the industry. Micro Commercial Components (MCC) is taking
strong measures to protect ourselves and our customers from the proliferation of counterfeit parts. MCC strongly encourages
customers to purchase MCC parts either directly from MCC or from Authorized MCC Distributors who are listed by country on
our web page cited below. Products customers buy either from MCC directly or from Authorized MCC Distributors are genuine
parts, have full traceability, meet MCC's quality standards for handling and storage. MCC will not provide any warranty
coverage or other assistance for parts bought from Unauthorized Sources. MCC is committed to combat this global
problem and encourage our customers to do their part in stopping this practice by buying direct or from authorized
distributors.
Note : Adding "-HF" suffix for halogen free, eg. Part Number-TP-HF
