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| FR251G THRU FR257G GLASS PASSIVATED JUNCTION FAST SWITCHING RECTIFIER Reverse Voltage - 50 to 1000 Volts Forward Current - 2.5 Amperes Features Plastic package has Underwriters Laboratory Flammability Classification 94V-0 utilizing Flame retardant epoxy molding compound Glass passivated junction in R-3 package 2.5 ampere operation at TA=55 with no thermal runaway Fast switching for high efficiency Mechanical Data Case: Molded plastic, R-3 Terminals: Axial leads, solderable per MIL-STD-202, method 208 Polarity: Band denotes cathode Mounting Position: Any Weight: 0.021 ounce, 0.60 gram DIM ENSIONS DIM A B C D inches Min. 0.138 0.138 0.040 1.000 Max. 0.161 0.161 0.043 Min. 3.50 3.50 1.0 25.40 mm Max. 4.10 4.10 1.10 Note Maximum Ratings and Electrical Characteristics Ratings at 25 ambient temperature unless otherwise specified. Single phase, half wave, 60Hz, resistive or inductive load. Symbols FR 251G FR 252G FR 253G FR 254G FR 255G FR 256G FR 257G Units Maximum repetitive peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current 0.375" (9.5mm) lead length at TA=55 Peak forward surge current, IFM (Surge): 8.3mS single half sine-wave superimposed on rated load (MIL-STD-750D 4066 method) Maximum forward voltage @2.5A, 25 Maximum DC reverse current, @ rated reverse voltage Reverse recovery time (Note 1) Typical junction capacitance (Note 2) Typical thermal resistance (Note 3) Operating and storage temperature range Tj=25 Tj=125 VRRM VRMS VDC I(AV) IFSM VF IR Trr CJ R JA 50 35 50 100 70 100 200 140 200 400 280 400 2.5 70.0 1.3 5.0 300.0 600 420 600 800 560 800 1000 700 1000 Volts Volts Volts Amps Amps Volts A 150 35.0 22.0 -55 to +150 250 500 nS F /W TJ, TSTG Notes: (1) Reverse recovery test conditions: IF=0.5A, IR=1.0A, Irr=0.25A (2) Measured at 1.0MHz and applied reverse voltage of 4.0 volts (3) Thermal resistance from junction to ambient at 0.375 (9.5mm) lead length, P.C.B. mounted 1 RATINGS AND CHARACTERISTIC CURVES 2 |
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