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FR251

GALAXY ELECTRICAL
Part Number FR251
Manufacturer GALAXY ELECTRICAL
Description FAST RECOVERY RECTIFIER
Published Apr 24, 2016
Detailed Description BL GALAXY ELECTRICAL FAST RECOVERY RECTIFIER FR251---FR257 VOLTAGE RANGE: 50 --- 1000 V CURRENT: 2.5 A FEATURES Low co...
Datasheet PDF File FR251 PDF File

FR251
FR251

Overview
BL GALAXY ELECTRICAL FAST RECOVERY RECTIFIER FR251---FR257 VOLTAGE RANGE: 50 --- 1000 V CURRENT: 2.
5 A FEATURES Low cost Diffused junction Low leakage Low forward voltage drop High current capability Easily cleaned with Freon,Alcohol,Isopropanol and similar solvents The plastic material carries U/L recognition 94V-0 MECHANICAL DATA Case:JEDEC R--3,molded plastic Terminals: Axial lead ,solderable per MIL- STD-202,Method 208 Polarity: Color band denotes cathode Weight:0.
021 unces,0.
58 grams Mounting position: Any R-3 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%.
FR 251 Maximum recurrent peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forw ard rectified current 9.
5mm lead length, @TA=75 Peak forw ard surge current VRRM VRMS VDC IF(AV) 50 35 50 8.
3ms single half-sine-w ave superimposed on rated load @TJ=125 Maximum instantaneous forw ard voltage @ 2.
5 A IFSM VF Maximum reverse current @TA=25 at rated DC blocking voltage @TA=100 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.
FR 252 FR 253 FR 254 FR 255 FR 256 FR 257 UNITS 100 200 400 600 800 1000 V 70 140 280 420 560 700 V 100 200 400 600 800 1000 V 2.
5 A 150.
0 1.
3 5.
0 100.
0 150 250 22 35 - 55---- +150 - 55---- + 150 A V A 500 ns pF www.
galaxycn.
com Document Number 0261005 BLGALAXY ELECTRICAL 1.
RATINGSANDCHARACTERISTICCURVES FIG.
1 -- TYPICAL FORWARD DERATINGCURVE FR251---FR257 FIG.
2-- FORWARDSURGECURRENT PEAK FORWARD SURGE CURRENT AMPERES AVERAGE FORWARD CURRENT AMPERES 2.
5...


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