www.DataSheet4U.com GUR440 and GUR460 Ultrafast Plastic Rectifier Reverse Voltage 400 to 600V Forward Current 4.0A DO-201AD New ct u d Pro Features 1.0 (25.4) MIN. 0.210 (5.3) 0.190 (4.8) DIA. 0.375 (9.5) 0.285 (7.2) * Plastic package has Underwriters Laboratories Flammability Classification 94V-0 * Ideally suited for use in very high frequency switching power supplies, inverters and as free wheeling diodes * Ultrafast recovery time for high efficiency * Excellent high temperature switching * Glass passivated junction * High temperature soldering guaranteed: 250C/10 seconds, 0.375" (9.5mm) lead length, 5 lbs. (2.3kg) tension Mechanical Data 0.052 (1.32) 0.048 (1.22) DIA. 1.0 (25.4) MIN. Dimensions in inches and (millimeters) Case: 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 & Thermal Characteristics Ratings at 25C ambient temperature unless otherwise specified. Symbols GUR440 GUR460 Units Maximum repetitive peak reverse voltage VRRM 400 600 V Working peak reverse voltage VRWM 400 600 V Maximum DC blocking voltage VDC 400 600 V Maximum average forward rectified current at TA = 40C See figure 1 IF(AV) 4.0 A Peak forward surge current 8.3 ms single half sine-wave superimposed on rated load (JEDEC Method) IFSM 150 A Typical thermal resistance junction to ambient (NOTE 2) RJA 28 C/W TJ, TSTG -65 to +175C C ERSM 25 mJ Operating junction and storage temperature range Peak non-repetitive reverse avalanche energy at IR=1.0A, TJ=25C (unclamped inductive load) Electrical Characteristics Ratings at 25C ambient temperature unless otherwise specified. Symbols GUR440 GUR460 Units at 3.0A, TJ=150C at 3.0A, TJ=25C at 4.0A, TJ=25C VF 1.05 1.25 1.28 V TJ=25C TJ=150C IR 10 250 A Maximum reverse recovery time at IF=0.5A, IR=1.0A, Irr=0.25A trr 45 ns Maximum reverse recovery time at IF=1.0A, di/dt=50A/s, VR=30V, Irr=10% IRM trr 60 ns Maximum forward recovery time (IF=1.0A, di/dt=100A/s, Rec. to 1.0V) tfr 50 ns Maximum instantaneous forward voltage (NOTE 1) Maximum instantaneous reverse current at rated DC blocking voltage (NOTE 1) NOTES: (1) Pulse test: tp=300s, duty cycle 2% (2) Lead length = 1/2" on P.C. board with 1/2" x1/2" copper surface 1/17/00 GUR440 and GUR460 Ratings & Characteristic Curves Figure 1 - Forward Current Derating Curve Figure 2 - Maximum Non-Repetive Peak Forward Surge Current 150 Peak Forward Surge Current, Amperes Average Forward Rectified Current Amperes 6.0 L = 1/2" 4.0 PCB with 1.5" x 1.5" copper pads 2.0 0 0 50 100 150 125 100 75 50 25 0 200 1 Number of Cycles at 60 Hz Figure 3 - Typical Instantaneous Forward Characteristics Figure 4 - Typical Reverse Characteristics 1000 Instantaneoous Reverse Current, Millamperes Instantaneous Forward Current, Amperes 100 Tj = 175C 10 1 Tj = 100C 0.1 Tj = 25C 100 Tj = 175C 10 Tj = 100C 1 0.1 Tj = 25C 0.01 0.001 0.01 0 0.4 0.8 1.2 1.6 Instantaneous Forward Voltatge, Volts 2 1000.0 Tj = 25C f = 1.0MHz Vsig = 50mVp-p 100.0 10.0 0.1 1 10 Reverse Voltage, Volts 0% 20% 40% 60% 80% Percent of Rated Peak Reverse Voltage, % Figure 5 - Typical Junction Capacitance per Leg Junction Capacitance, pF 100 10 Ambient Temperature, C 100 100%