FR257 YIXIN | Alldatasheet
Document overview
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Technical content
Reverse Voltage: 50 to 1000 Volts Forward Current:2.5Amperes
FEATURES
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Case: JEDEC DO-15 molded plastic body Terminals: Plated axial leads, solderable per MIL-STD-750,Method 2026 Polarity: Color band denotes cathode end Mounting Position: Any Weight: 0.03 ounce, 0.54 gram (Rating at 25°C ambient temperature unless otherwise specified.Single phase ,half wave ,60HZ,resistive or inductive load. For capacitive load,derate current by 20%.) 2.Measured at 1MHZ and applied reverse voltage of 4.0 Volts D.C. Low leakage Maximum Recurrent Peak Reverse Voltage VRRM Volts Volts Volts Volts A PF Amps Amps VRMS VDC I(AV) IFSM TSTG VF IR trr CJ Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current 0.375"(9.5mm)lead length at TA=75°C Maximum Instantaneous Forward Voltage at 2.5 A Operating junction and storage temperature range Maximum reverse recovery time(Note1) Typical junction capacitance(Note2) Peak Forward Surge Current ,8.3ms single half sine-wave -65 to+175 150 500250 CTJ 100 100 200 200 140 400 400 280 600 600 420 800 800 560 1000 1000 700 150 1.3 2.5 pF Dimensions in inches and (millimetrers) Symbols UnitsFR 251 FR 252 FR 253 FR 254 FR 255 FR 256 FR 257 Maximum DC Reverse Current at rated DC blocking voltage 150 10TA=25°C TA=100°C High reliability High current surge High current capability Low forward voltage drop COM Component in accordance to RoHS 2002/95/EC and WEEE 2002/96/EC High temperature soldering guaranteed:260°C/10 seconds at terminals ns DO-15 0.300(7.60) 0.144(3.6) 0.036(0.90) 1.0(25.4) MIN 1.0(25.4) MIN 0.230(5.60) 0.104(2.6) DIA 0.028(0.70) DIA JFJ www.szyxwkj.com A ll data sheet.com
RATINGS AND CHARACTERISTIC CURVES FR251 THRU FR257 100 125 150 0.4 1 4 8 62 6010 20 40 100 0 25 50 75 100 125 150 175 FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE FIG.2-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT FIG.3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS AVERAGE FORWARD CURRENT (A)INSTANTANEOUS FORWARD CURRENT( AMPERES) PEAK FORWARD SURGE CURRENT(AMPERES) INSTANTANEOUS FORWARD VOLTAGE (VOLTS) REVERSE VOLTAGE. (V) SET TIME BASE FOR 50/100 ns/cm NUMBER OF CYCLES AT 60Hz AMBIENT TEMPERATURE (°C) TJ=25°C 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) 0.1 0.2 0.4 1 4 2 10 40 20 1cm trr -0.25A +0.5A -1.0A 100 100 200 FIG.4-TYPICAL JUNCTION CAPACITANCE FIG.5-TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC JUNCTION CAPACITANCE(pF) TJ=25 C SINGIE PHASE HAIF WAVE 60HZ RESISTIVE OR INDUCTIVE LOAD Pulse Width=300µs 1% Duty Cycle 0.01 0.03 0.1 0.3 0.5 1.0 1.5 2.0 2.5 COM PULSE GENERATOR (NOTE2) NONINDUCTIVE OSCILLOSCOPE (NOTE1) D.U.T. NONINDUCTIVE NONIN- DUCTIVE 50Vdc 1(－) (＋) NOTES:1.Rise Time=7ns max. input lmpedance=1 megohm 22pF 2.Rise Time=10ns max. source lmpedance= 50 ohms (ADJUSTABLE) www.szyxwkj.com A ll data sheet.com