Details, datasheet, quote on part number: FR251-B
PartFR251-B
CategoryDiscrete => Diodes & Rectifiers
Description2.5A,50V,150ns,R-3
CompanyRectron
DatasheetDownload FR251-B datasheet
  

 

Features, Applications

FEATURES

Fast switching Low leakage Low forward voltage drop High current capability High current surge High reliability

Case: Molded plastic Epoxy: Device has UL flammability classification 94V-O Lead: MIL-STD-202E method 208C guaranteed Mounting position: Any Weight: 0.54 gram

Ratings 25 C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%.

MAXIMUM RATINGS (At 25 oC unless otherwise noted) RATINGS Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current 75 oC Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Typical Junction Capacitance (Note 2) Operating and Storage Temperature Range SYMBOL VRRM VRMS VDC IO I FSM CJ STG FR257 FR257P UNITS to Volts Amps pF

ELECTRICAL CHARACTERISTICS (At = 25oC unless otherwise noted) CHARACTERISTICS Maximum Instantaneous Forward Voltage 2.5A DC Maximum DC Reverse Current at Rated DC Blocking Voltage 25 oC Maximum Full Load Reverse Current Average, Full Cycle.375" (9.5mm) lead length 55 oC Maximum Reverse Recovery Time (Note 1) NOTES : 1. Test Conditions: = -1.0A, IRR -0.25A 2. Measured at 1 MHZ and applied reverse voltage of 4.0 volts SYMBOL FR257 FR257P UNITS 1.3 Volts IR 100 trr uAmps nSec 2002-11 uAmps

FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE
FIG. 3 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 150
Single Phase Half Wave 60Hz Resistive or Inductive Load
FIG. 5 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
1 megohm. 22pF. 2. Rise Time = 10ns max. Source Impedance = 50 ohms.

 

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