FR251 DAESAN | Alldatasheet
Document overview
- Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
- PDF pages: 2
Technical content
Features
- Fast switching
- Low leakage
- Low forward voltage drop
- High current capability
- High current surge
- High reliability Maximum Ratings And Electrical Characteristics
- Case : JEDEC DO-201AD molded plastic body
- Terminals : Plated axial lead solderable per MIL-STD-750, method 2026
- Polarity : Color band denotes cathode end
- Mounting Position : Any
- Weight : 0.041 ounce, 1.18 gram (Ratings at 25¡É ambient temperature unless otherwise specified, Single phase, half wave 60Hz, resistive or inductive load. For capacitive load, derate by 20%) CURRENT 2.5 Amperes VOLTAGE 50 to 1000 Volts Notes: (1) Test conditions: IF=0.5A, IR=1.0A, Irr=0.25A. (2) Measured at 1MHz and applied reverse voltage of 4.0 Volts. Maximum recurrent peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Volts Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC) method VDC Maximum average forward rectified current 0.375"(9.5mm) lead length TA=75¡É Maximum instantaneous forward voltage at 2.5A VRRM Volts Symbols Units 1.3VF VRMS 2.5 Amps Amps IFSM TJ TSTG -65 to +150 ¡É Volts Maximum DC reverse current at rated DC blocking voltage Maximum reverse recovery time (Note 1) Typical junction capacitance (Note 2) Operating junction and storage temperature range FR 251 5.0 250 Volts ¥ìA ns pF I(AV) IR Trr 60CJ 100 FR 252 100 200 FR 253 140 200 400 FR 254 280 400 600 FR 255 420 600 800 FR 256 560 800 1000 FR 257 700 1000 Maximum full load reverse current full cycle average. 0.375"(9.5mm) lead length at TL=55¡É 500150 150 100 Dimensions in inches and (millimeters) DO-201AD 1.0(25.4) MIN. 1.0(25.4) MIN. 0.375(9.5) 0.285(7.2) 0.042(1.1) 0.037(0.9) DIA. 0.210(5.3) 0.188(4.8) DIA.
FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE 1250 25 1501007550 175 AVERAGE FORWARD CURRENT(A) AMBIENT TEMPERATURE ( ¡É) SINGLE PHASE HALF WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD 0.5 1.0 1.5 2.5 2.0 FIG.3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS INSTANTANEOUS FORWARD CURRENT(AMPERES) INSTANTANEOUS FORWARD VOLTAGE (VOLTS) 0.1 0.01 0.03 0.3 TJ=25¡É Pulse Width=300mS 1% Duty Cycle FIG.4-TYPICAL JUNCTION CAPACITANCE REVERSE VOLTAGE. (V) JUNCTION CAPACITANCE(pF) 100.1 0.2 4 200.4 21 40 100 TJ=25¡É 100 200 FIG.2-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT NUMBER OF CYCLES AT 60Hz PEAK FORWARD SURGE CURRENT(AMPERES) 1 2 1006010864 4020 8.3m SINGLE HALF SINE WAVE (JEDEC Method) 125 100 150 Trr 1cm SET TIME BASE FOR 50/100 ns/cm -1.0A +0.5A -0.25A FIG.5-TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC OSCILLOSCOPE (NOTE1) NON IN- DUCTIVE 50W NON INDUCTIVE 10W NON INDUCTIVE D.U.T. 25Vdc (APPROX) ( + ) NOTES: 1.Rise Time=7ns max. input impedance=1 megohm 22pF 2.Rise Time=10ns max. source impedance =50 ohms PULSE GENERATOR (NOTE2) ( ) RATINGS AND CHARACTERISTIC CURVES FR251 THRU FR257