PASSIVATED RECTIFIERS. SF28G Datasheet

SF28G RECTIFIERS. Datasheet pdf. Equivalent

Part SF28G
Description GLASS PASSIVATED RECTIFIERS
Feature BL GALAXY ELECTRICAL GLASS PASSIVATED RECTIFIERS SF21G---SF28G VOLTAGE RANGE: 50 --- 600 V CURRENT:.
Manufacture GALAXY ELECTRICAL
Datasheet
Download SF28G Datasheet

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SF28G
BL GALAXY ELECTRICAL
GLASS PASSIVATED RECTIFIERS
SF21G---SF28G
VOLTAGE RANGE: 50 --- 600 V
CURRENT: 2.0 A
FEATURES
Low cost
Glass passivated junction
Low forward voltage drop
High current capability
Easily cleaned with alcohol,Isopropanol
and similar solvents
The plastic material carries U/L recognition 94V-0
MECHANICAL DATA
Case:JEDEC DO--15,molded plastic
Terminals: Axial lead ,solderable per
MIL- STD-202,Method 208
Polarity: Color band denotes cathode
Weight: 0.014 ounces,0.39 grams
Mounting position: Any
DO - 15
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 ambient temperature unless otherwise specified.
Single phase,half wave,60 Hz,resistive or inductive load. For capacitive load,derate by 20%.
SF21 SF22 SF23 SF24 SF25 SF26 SF27 SF28 UNITS
G G G G G GGG
Maximum recurrent peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
VRRM
VRMS
VDC
50
35
50
Maximum average forw ard rectified current
9.5mm lead length,
@TA=75
Peak forw ard surge current
IF(AV)
8.3ms single half-sine-w ave
IFSM
superimposed on rated load @TJ=125
Maximum instantaneous forw ard voltage
@ 2.0A
VF
Maximum reverse current
@TA=25
at rated DC blocking voltage @TA=125
IR
Maximum reverse recovery time (Note1)
trr
Typical junction capacitance (Note2)
CJ
Typical thermal resistance
(Note3)
RθJA
Operating junction temperature range
TJ
Storage temperature range
TSTG
NOTE: 1. Measured with IF=0.5A, IR=1A, Irr=0.25A.
2. Measured at 1.0MHZ and applied rev erse v oltage of 4.0V DC.
3. Thermal resistance f rom junction to ambient.
100 150 200 300 400 500 600
70 105 140 210 280 350 420
100 150 200 300 400 500 600
2.0
V
V
V
A
50
0.95 1.3
5.0
50.0
35
60
20
- 55 ----- + 175
- 55 ----- + 175
1.7
30
A
V
A
ns
pF
/W
www.galaxycn.com
Document Number 0269033
BLGALAXY ELECTRICAL
1.



SF28G
RATINGS AND CHARACTERISTIC CURVES
SF21G - - - SF28G
FIG.1 -- TEST CIRCUIT DIAGRAM AND REV ERSE RECOVERY TIM E CHARACTERISTIC
50 10
N 1. N 1.
+ 0 .5 A
trr
(+)
25VDC
(approx)
(-)
D.U.T.
1
NONIN-
DUCTIVE
OSCILLOSCOPE
(NOTE 1)
PULSE
GENERATOR
(NOTE2)
N OTES:1 .R ISE TIME = 7n s MAX.IN PU T IMPED AN C E = 1M .2 2p F.
JJJJJ2.R ISE TIME =10 ns MAX.SOU R C E IMPED AN C E=5 0 .
0
-0 .2 5 A
-1 .0 A
1cm
SE T TIM E BA SE FOR 10 ns/cm
FIG.2 -- TYPICAL FORW ARD CHARACTERISTIC
100
10
1
0.1
0.01
.4
.6
Tj=25oC
Pulse Width=300 s
1% Duty Cycle
.8 1.0 1.2 1.4 1.6 1.8
INSTA NTANE OUS FORW ARD VOLTAGE , VOLTS
FIG.4 -- TYPICAL JUNCTION CAPACITANCE
200
100
60
40
20
10
6
4
TJ=25
2
1
0.1 0.2 0.4 1 2 4
SF21G-SF24G
SF25G-SF28G
10 20 40 100
REV ERS E V OLTA GE ,VOLTS
FIG.3 -- FORW ARD DERATING CURVE
z
3.0
Single Phase
2.5 Half Wave 60HZ
Resistive or
Inductive Load
2.0 0.375"(9.5mm)Lead Length
1.5
1.0
0.5
0
0 25 50 75 100 125 150 175
A M BIENT TE M P ERA TURE,
FIG.5 -- PEAK FORW ARD SURGE CURRENT
70
60
50
40
30
20
10
0
1
8.3ms Single Half
Sine-Wave
5 10
50 100
NUMBER OF CYCLES AT 60Hz
Document Number 0269033
BLGALAXY ELECTRICAL
www.galaxycn.com
2.





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