MR850 THRU MR856 FAST RECOVERY RECTIFIER DIODES 50V-600V 3.0A FEATURES l High surge current capability l Plastic package has Underwriters Laboratory Flammability Classification 94V-O l Void-free molded plastic package l 3.0 ampere operation at TA=50 with no thermal runaway l Exceeds environmental standards of MIL-S-19500/228 l Fast switching for high efficiency Mechanical Data Case: JEDEC DO-201AD molded plastic Terminals: Plated Axial leads, solderable per MIL-STD-750, Method 2026 Polarity: Color Band denotes end Mounting Position: Any Weight: 0.04 ounce, 1.1 gram MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 ambient temperature unless otherwise specified. Resistive or inductive load. Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current .375"(9.5mm) Lead Length at TA=50 Peak Forward Surge Current 10ms single half sinewave superimposed on rated load at TA=25 Maximum Repetitive Peak Forward Surge(Note1) Maximum Instantaneous Forward Voltage at 3.0A Maximum DC Reverse Current TA=25 at Rated DC Blocking Voltage TA=100 Maximum Reverse Recovery Time(Note 3) TJ=25 Typical Junction capacitance (Note 2) Typical Thermal Resistance (Note 4) Operating Junction Temperature Range Storage Temperature Range SYMBOLS MR850 MR851 MR852 MR854 MR856 UNITS VRRM 50 100 200 400 600 Volts VRMS 35 70 140 280 480 Volts VDC 50 100 200 400 600 Volts I(AV) 3.0 Amps IFSM 100.0 Amps IFRM VF IR 10.0 1.25 10.0 500.0 150 60 15.0 -50 to +125 -50 to +150 Amps Volts A A ns PF /W TRR CJ R JA TJ TSTG NOTES: 1. Repetitive Peak Forward Surge Current at f<15KHz 2. Measured at 1 MHz and applied reverse voltage of 4.0 Volts 3. Reverse Recovery Test Conditions: IF=0.5A, IR=1.0A, Irr=0.25A 4. Thermal Resistance From Junction to Ambient at 0.375"(9.5mm) lead length with both leads to heat sink E-mail: [email protected] 1 of 2 Web Site: www.taychipst.com MR850 THRU MR856 50V-600V FAST RECOVERY RECTIFIER DIODES RATINGS AND CHARACTERISTIC CURVES 3.0A MR850 THRU MR856 FIG.1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 50 Ω Trr 10 Ω + 0.5 D.U.T. + 0 PULSE GENERATOR ( NOTE 2 ) 50 Vdc (approx) 1Ω - 0.25 OSCILLOSCOPE ( NOTE 1 ) - 1.0 A SET TIME BASE FOR 50 ns/cm NOTES : 1. Rise Time = 7 ns max., Input Impedance = 1 megaohm, 22 pF. 1 2. Rise time = 10 ns max., Source Impedance = 50 ohms. 3. All Resistors = Non-inductive Types. FIG.2 - DERATING CURVE FOR OUTPUT RECTIFIED CURRENT FIG.3 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 100 PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD OUTPUT CURRENT, AMPERES 3.0 2.4 1.8 1.2 0.6 8.3 ms SINGLE HALF SINE WAVE Ta = 50 °C 80 60 40 20 60Hz RESISTIVE OR INDUCTIVE LOAD 0 0 25 50 75 100 125 150 0 175 1 2 AMBIENT TEMPERATURE, ( °C) 6 10 20 40 60 100 FIG.5 - TYPICAL REVERSE CHARACTERISTICS REVERSE CURRENT, MICROAMPERES FIG.4 - TYPICAL FORWARD CHARACTERISTICS 100 FORWARD CURRENT, AMPERES 4 NUMBER OF CYCLES AT 60Hz Pulse Width = 300 µs 2% Duty Cycle TJ = 25 °C 10 1.0 0.1 10 TJ = 100 °C 1.0 0.1 TJ = 25 °C 0.01 0 20 40 60 80 100 120 140 PERCENT OF RATED REVERSE VOLTAGE, (%) 0.01 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 FORWARD VOLTAGE, VOLTS E-mail: [email protected] 2 of 2 Web Site: www.taychipst.com