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| FR251 THRU FR257 FAST RECOVERY RECTIFIER Reverse Voltage - 50 to 1000 Volts Forward Current - 2.5 Amperes Features Plastic package has Underwriters Laboratory Flammability Classification 94V-0 Fast switching for high efficiency Construction utilizes void-free molded plastic technique 2.5 ampere operation at TA=85 with no thermal runaway High temperature soldering guaranteed: 250 /10 seconds, 0.375(9.5mm) lead length, 5 lbs. (2.3kg) tension Mechanical Data Case: R-3 molded plastic body Terminals: Plated axial leads, solderable per MIL-STD-750, method 2026 Polarity: Color band denotes cathode end Mounting Position: Any Weight: 0.021 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 1.00 25.40 mm Max. 4.10 4.10 1.10 Note Maximum Ratings and Electrical Characteristics Symbols FR251 FR252 @25 FR253 unless otherwise specified FR254 FR255 FR256 FR257 FR257 -STR Units Maximum repetitive peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Average forward rectified current at TA=85 Peak forward surge current 8.3mS single half sine-wave (MIL-STD-750D 4066 method) Maximum instantaneous forward voltage at IFM=2.5A, TA=25 (Note 3) Maximum DC reverse current at rated DC blocking voltage TA=25 TA=55 VRRM VRMS VDC I(AV) IFSM VF IR Trr CJ TJ, TSTG 50 35 50 100 70 100 200 140 200 400 280 400 2.5 150.0 1.3 10.0 150.0 600 420 600 800 560 800 1000 700 1000 1000 700 1000 Volts Volts Volts Amps Amps Volts A Maximum reverse recovery time (Note 1) Typical junction capacitance (Note 2) Operating and storage temperature range 150 65.0 250 500 250 nS F -65 to +150 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) Pulse test: pulse width 300uSec, Duty cycle 1% 1 RATINGS AND CHARACTERISTIC CURVES 2 RATINGS AND CHARACTERISTIC CURVES 3 |
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