FR251G SUNMATE | Alldatasheet
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Maximum Ratings and Electrical Characteristics T A = 25/c176C unless otherwise specified Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. FAST RECOVERY RECTIFIER DIODES Characteristic Symbol Unit Glass passivated device! A A B C D DO-15 Dim Min Max A 25.40 — B 5.50 7.62 C 0.686 0.889 D 2.60 3.60 All Dimensions in mm 1 of 2 www.sunmate.tw
RATING AND CHARACTERISTIC CURVES ( FR251G - FR257G ) FIG.1 - REVERSE RECOVERY TI ME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM NOTES : 1. Rise Ti me = 7 ns ma x., Input I mpedance = 1 megaohm, 22 pF. 2. Rise ti me = 10 ns ma x., Source I mpedance = 50 ohms. 3. All Resistors = Non-inductive Types. FIG.2 - DERATING CURVE FOR OUTPUT FIG.3 - MAXIMUM NON-REPETITIVE PEAK RECT IFIED CURRENT FORWARD SURGE CURRENT 0 25 50 75 100 125 150 175 1 2 4 6 10 20 40 60 100 AMBIENT TEMPERATURE, ( °C) NUMBER OF CYCLES AT 60Hz FIG.4 - TYPICAL FORWARD CHARACTERISTICS FIG.5 - TYPICAL REVERSE CHARACTERISTICS FOR WARD VOLTAGE, VOLTS 60Hz RESISTIVE OR INDUCTIVE LOAD 2.0 1.5 1.0 0.5 2.5 100 10 1.0 100 0.1 0.01 0.01 1.0 0.1 100 1400 20 40 60 120 PERCENT OF RATED REVERSE VOLTAGE, (%) PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD OUTPUT CURRENT, AMPERES FORWARD CURRENT, AMPERES REVERSE CURRENT, MICROAMPERES TJ = 25 °C TJ = 100 °C TJ = 25 °C Pulse W idth = 300 µs 2% Duty Cycle 8.3 ms S INGLE HALF S INE WAVE Ta = 50 °C SE T TIME BASE FOR 50/100 ns/cm Trr + 0.5 A - 0.25 A - 1.0 A 1 cm
50 Vdc
(approx) OSCILLOSCOPE ( NOTE 1 ) 1 Ω 50 Ω 10 Ω D.U.T. PULSE GENERATOR ( NOTE 2 ) 2 of 2 www.sunmate.tw