SF21
THRU
SF28
2.0 Amp Super Fast
Rectifier
50 to 600 Volts
Features
Low forward voltage drop
Maximum Ratings
Operating Temperature: -55°C to +125°C
Storage Temperature: -55°C to +150°C
For ca
p
acitive load, derate current b
y
20%
MCC
Part Number
Maximum
Recurrent
Peak Reverse
Voltage
Maximum
RMS
Voltage
Maximum DC
Blocking
Voltage
SF21 50V 35V 50V
SF22 100V 70V 100V
SF23 150V 105V 150V
SF24 200V 140V 200V
SF25 300V 210V 300V
SF26 400V 280V 400V
Electrical Characteristics @ 25°C Unless Otherwise Specified
Average Forward
Current IF(AV) 2.0A TC = 55°C
Peak Forward Surge
Current IFSM 50A 8.3ms, half sine
Maximum Instantaneous
Forward Voltage
SF21-SF24 0.95V
SF25-SF26
SF28
VF
1.30V
1.70V
IFM = 2.0A;
T
a = 25°C*
Maximum DC
Reverse Current At
Rated DC Blocking
Voltage
IR
5.0uA
100uA
T
C = 25°C
T
C = 100°C
Typical Junction
Capacitance
SF21-SF24
SF25-SF28
CJ60pF
30pF
Measured at
1.0MHz, VR=4.0V
Maximum Reverse
Recovery Time TRR 35nS IF=0.5A, IR=1.0A,
IRR
=0.25A
*Pulse Test: Pulse width 300 usec, Dut
y
c
y
cle 1%.
A
B
C
D
D
Cathode
Mark
DIMENSIONS
INCHES MM
DIM MIN MAX MIN MAX NOTE
A .230 .300 5.80 7.60
B .104 .140 2.60 3.60
C .026 .034 .70 .90
D 1.000 --- 25.40 ---
DO-15
omponents
20736 Marilla Street Chatsworth
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MCC
Revision: B 2013/01/01
TM
Micro Commercial Components
x Marking: Type Number
www.mccsemi.com
1 of 4
Lead Free Finish/Rohs Compliant (Note1) ("P"Suffix designates
Compliant. See ordering information)
Note: 1. High Temperature Solder Exemptions Applied, see EU Directive Annex 7.
SF28 600V 420V 600V
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
015025 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
MCC
SF21 thru SF28
Revision: B 2013/01/01
TM
Micro Commercial Components
www.mccsemi.com
2 of 4
FIG.1- TYPICAL REVERSE CHARACTERISTICS
20 40 60 80 100 120
0.1
1
10
100
1000
10000
PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)
Tj=100 C
0
Tj=25 C
0
INSTANTANEOUS REVERSE CURRENT.( A)
FIG.2- TYPICAL FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT. (A)
0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
0.01
0.1
1
10
100
FORWARD VOLTAGE. (V)
Tj=25 C
Pulse Width=300 s
1% Duty Cycle
o
SF21~SF24
SF25~SF26
SF28
trr
+0.5A
0
-0.25
-1.0
1cm
Set Time Base for 20/100ns/c
m
25Vdc
1
5010
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
MCC
Figure 4
Maximum Non-repetitive Forward Surge Current
PEAK FORWARD SURGE CURRENT. (A)
12 5 10 20 10050
0
10
40
30
20
50
60
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
0
25
50
75
100
125
150
REVERSE VOLTAGE. (V)
Tj=25 C
0
SF21~SF24
SF25~SF28
Typical Junction Capacitance
SF21 thru SF28
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
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1
Device Packing
Part Number-TP Tape&Reel: 4Kpcs/Reel
Part Number-BP Bulk: 25Kpcs/Carton
***IMPORTANT NOTICE***
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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
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problem and encourage our customers to do their part in stopping this practice by buying direct or from authorized
distributors.
Ordering Information :
Note : Adding "-HF" suffix for halogen free, eg. Part Number-TP-HF