 |
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
| Datasheet File OCR Text: |
| BL FEATURES Low cost Low leakage GALAXY ELECTRICAL USF21 --- USF24 VOLTAGE RANGE: 50 --- 200 V CURRENT: 2.0 A SUPER FAST RECTIFIER DO - 15 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 MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 ambient temperature unless otherwise specified. Single phase,half wave,60Hz,resistive or inductive load. For capacitive load,derate by 20%. USF21 Maximum recurrent peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forw ard rectified current 9.5mm lead length, @TA=75 USF22 100 70 100 2.0 USF23 150 105 150 USF24 200 140 200 UNITS V V V A VRRM VRMS VDC IF(AV) 50 35 50 Peak forw ard surge current 8.3ms single half-sine-w ave superimposed on rated load @TJ=125 IFSM 75.0 A Maximum instantaneous forw ard voltage @ 2.0A Maximum reverse current at rated DC blocking voltage @TA=25 @TA=100 VF IR trr CJ RJA TJ TSTG 0.92 10.0 350.0 20 15 40 - 55 ----- + 150 - 55 ----- + 150 V A ns pF /W Maximum reverse recovery time (Note1) Typical junction capacitance Typical thermal resistance (Note2) (Note3) Operating junction temperature range Storage temperature range NOTE: 1. Measured with I F=0.5A, I R=1A, I rr=0.25A. www.galaxycn.com 2. Measured at 1.0MHz and applied rev erse v oltage of 4.0V DC. 3. Thermal resistance f rom junction to ambient. Document Number 0264029 BLGALAXY ELECTRICAL 1. RATINGS AND CHARACTERISTIC CURVES trr 50 N 1. 10 N 1. USF21 --- USF24 FIG.1 -- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC +0.5A 0 PULSE GENERATOR (NOTE2) 1 NONINDUCTIVE OSCILLOSCOPE (NOTE 1) D.U.T. (+) 25VDC (approx) (-) -0.25A -1.0A 1cm NOTES:1.RISE TIME = 7ns MAX.INPUT IMPEDANCE = 1M .22pF. JJJJJ2.RISE TIME =10ns MAX.SOURCE IMPEDANCE=50 . SET TIME BASE FOR 10/20 ns/cm FIG.2 -- TYPICAL FORWARD CHARACTERISTIC 100 40 20 10 4.0 2.0 1.0 0.4 0.2 0.1 0.04 0.02 0.01 0 0 .2 0 .4 0 .6 0 .8 1 .0 1 .2 1 .4 FIG.3 -- FORWARD DERATING CURVE AVERAGE FORWARD CURRENT AMPERES 3 z INSTANTANEOUS FORWARD CURRENT, AMPERES TJ=25 P u l s e W id t h = 3 0 0 s 2 1 S in g le P h a se H a lf W a ve 6 0 H Z R e s is tive o r In d u c tiv e L o a d 0 .3 7 5 "(9 .5 m m )L e a d L e n g th 0 0 25 50 75 100 125 150 175 INSTANTANEOUS FORWARD VOLTAGE, VOLTS FIG.4 -- TYPICAL JUNCTION CAPACITANCE AMBIENT TEMPERATURE, FIG.5 -- PEAK FORWARD SURGE CURRENT JUNCTION CAPACITANCE,pF PEAK FORWARD SURGE CURRENT, AMPERES 100 60 40 20 10 6 4 2 1 0.1 0.2 TJ=25 f=1.0MHZ 90 75 60 45 30 15 0 1 5 10 50 100 8.3ms Single Half Sine-Wave 0.4 1 2 4 10 20 40 100 REVERSE VOLTAGE,VOLTS FIG.6 -- TYPICAL REVERSE CHARACTERISTICS CURRENT, MICROAMPERES NUMBER OF CYCLES AT 60Hz INSTANTANEOUS REVERSE 100 T J= 1 5 0 10 1 T J= 1 0 0 .1 T J= 2 5 .0 1 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE, www.galaxycn.com Document Number 0264029 BLGALAXY ELECTRICAL 2. |
Price & Availability of USF21
 |
|
|
|
|
All Rights Reserved © IC-ON-LINE 2003 - 2022 |
| [Add Bookmark] [Contact Us] [Link exchange] [Privacy policy] |
|
Mirror Sites : [www.datasheet.hk]
[www.maxim4u.com] [www.ic-on-line.cn]
[www.ic-on-line.com] [www.ic-on-line.net]
[www.alldatasheet.com.cn]
[www.gdcy.com]
[www.gdcy.net] |