MUR440 and MUR460 Reverse Voltage 400 to 600 Volts Ultrafast Plastic Rectifiers Forward Current 4.0 Amperes Features Plastic package has Underwriters Laboratories Flammability Classification 94V-0 Ideally suited for use in very high frequency switching power supplies, inverters and as a free wheeling diode Ultrafast recovery time for high efficiency Excellent high temperature switching Glass passivated junction High temperature soldering guaranteed: 250oC/10seconds, 0.375" (9.5mm) lead length, 5 lbs. (2.3Kg) tension Mechanical Data Cases: JEDEC DO-201AD, molded plastic body over passivated chip Terminals: Plated axial leads, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Mounting position: Any Weight: 0.045 ounce, 1.2 grams Maximum Ratings and Electrical Characteristics Rating at 25C ambient temperature unless otherwise specified. Parameter Symbols MUR440 MUR460 Units Maximum repetitive peak reverse voltage VRRM 400 600 Volts Working peak reverse voltage VRWM 400 600 Volts Maximum DC blocking voltage V DC 400 600 Volts Maximum average forward rectified current (See figure 1) IF(AV) 4.0 Amps IFSM 125.0 Amps VF 1.05 1.25 1.28 Volts IR 10.0 250 uA uA Maximum reverse recovery time at IF=0.5A, IR=1.0A, Irr=0.25A trr 50 nS Maximum reverse recovery time at IF=1.0A, di/dt=50A/us, VR=30V, Irr=10% IRM trr 75 nS Maximum forward recovery time at IF=1.0A, di/dt=100A/us, recovery to 1.0V tf r 50 nS RJA 28 TJ, TSTG -55 to +175 Peak forward surge current 8.3 ms single half sine-wave superimposed on rated load (JEDEC Method) o Maximum instantaneous forward voltage (Note 1) at 3.0A, TJ=150 C at 3.0A, TJ=25oC at 4.0A, TJ=25oC Maximum instantaneous reverse current at rated DC blocking voltage (Note 1) TJ=25 C TJ=150oC Typical thermal resistance junction to ambient (Note 2) Operating junction and storage temperature range Notes: o 1. Pulse test: tp=300us, duty cycle < 2% 2. Lead length = 1/2" on P.C. Board with 1.5" x 1.5" copper surface 253 o C/W o C RATINGS AND CHARACTERISTIC CURVES (TA = 25oC unless otherwise noted) 254