Fast Rectifiers. SF28 Datasheet

SF28 Rectifiers. Datasheet pdf. Equivalent

Part SF28
Description Axial Lead Super Fast Rectifiers
Feature Axial Lead Super Fast Rectifiers P b Lead(Pb)-Free Features: * Low forward voltage drop. * High curr.
Manufacture WEITRON
Datasheet
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SF28
Axial Lead Super Fast Rectifiers
P b Lead(Pb)-Free
Features:
* Low forward voltage drop.
* High current capability.
* High reliability.
* High surge current capability.
SF21 thru SF28
REVERSE VOLTAGE
50 TO 600 VOLTS
CURRENT
2.0 AMPERE
Mechanical Data:
* Case: Molded plastic.
* Epoxy: UL 94V-0 rate ame retardant.
* Lead: Axial leads, solderable per MIL-STD-202,
method 208 guranteed.
* Polarity: Color band denotes cathode end.
* Mounting position: Any.
* Weight: 0.40 grams.
DO-15 Outline Dimensions
Axial Device (Through-Hole)
AB C
DO-15
Unit:mm
Dim
DO-15
A
Min Max
25.4
-
B
Min Max
5.8 7.6
C
Min Max
25.4
-
D
Min Max
0.7 0.9
E
Min Max
2.6 3.6
WEITRON
http://www.weitron.com.tw
1/3
Rev.A 04-Aug-09



SF28
SF21 thru SF28
Maximum Ratings and Electrical Characteristics
Rating 25°C Ambient Temperature Unless Otherwise Speci ed. Single Phase Half Wave, 60Hz, Recti ed or Inductive
Load. For Capacitive Load, Derate Current By 20%.
Characteristics
Symbol SF21 SF22 SF23 SF24 SF25 SF26 SF27 SF28 Unit
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
VRRM 50 100 150 200 300 400 500 600
VRMS 35 70 105 140 210 280 350 420
VDC 50 100 150 200 300 400 500 600
V
V
V
Maximum Average Forward Rectified Current
.375”(9.5mm) Lead Length @TA = 55°C
IF(AV)
2.0
A
Peak Forward Surge Current, 8.3 ms Single Half
Sine-Wave Superimposed on Rated Load (JEDEC)
IFSM
50
A
Maximum Instantaneous Forward Voltage
At 2.0A
VF
0.97
1.25
1.50 V
Maximum DC Reverse Current @TA = 25°C
At Rated DC BlockingVoltage @TA= 100°C
Typical Junction Capacitance (Note 1)
IR
CJ
5.0
50
60
Maximum Reverse Recovery Time (Note 2)
Trr
35
Operating Temperature Range
TJ
+150
Storage Temperature Range
TSTG
-65 to +150
NOTES: 1. Measured At 1MHz and Applied Reverse Voltage of 4.0 V.D.C
2. Reverse Recovery Time Test Condition: IF=0.5A, IR= 1.0A, IRR= 0.25A
μA
pF
nS
°C
°C
WEITRON
http://www.weitron.com.tw
2/3 Rev.A 04-Aug-09





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