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| W TE PO WE R SEM IC O ND UC TO R S HER301 - HER308 3.0A HIGH EFFICIENCY RECTIFIER Features ! ! ! ! ! Diffused Junction Low Forward Voltage Drop High Current Capability High Reliability High Surge Current Capability A B A Mechanical Data ! ! ! ! ! ! ! Case: Molded Plastic Terminals: Plated Leads Solderable per MIL-STD-202, Method 208 Polarity: Cathode Band Weight: 1.2 grams (approx.) Mounting Position: Any Marking: Type Number Epoxy: UL 94V-O rate flame retardant D DO-201AD Dim Min Max A 25.4 -- B 8.50 9.50 C 1.20 1.30 D 5.0 5.60 All Dimensions in mm C Maximum Ratings and Electrical Characteristics Single Phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. HER 301 50 35 HER 302 100 70 @TA=25C unless otherwise specified Characteristic Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage RMS Reverse Voltage Average Rectified Output Current (Note 1) @TA = 55C Non-Repetitive Peak Forward Surge Current 8.3ms Single half sine-wave superimposed on rated load (JEDEC Method) Forward Voltage Peak Reverse Current At Rated DC Blocking Voltage Reverse Recovery Time (Note 2) Typical Junction Capacitance (Note 3) Operating Temperature Range Storage Temperature Range @IF = 3.0A @TA = 25C @TA = 100C Symbol VRRM VRWM VR VR(RMS) IO HER 303 200 140 HER 304 300 210 3.0 HER 305 400 280 HER 306 600 420 HER 307 800 560 HER 308 1000 700 Unit V V A IFSM VFM IRM trr Cj Tj TSTG 50 80 1.0 150 1.3 10.0 100 75 50 -65 to +125 -65 to +150 1.7 A V A nS pF C C *Glass passivated forms are available upon request Note: 1. Leads maintained at ambient temperature at a distance of 9.5mm from the case 2. Measured with IF = 0.5A, IR = 1.0A, IRR = 0.25A. See figure 5. 3. Measured at 1.0 MHz and applied reverse voltage of 4.0V D.C. HER301 - HER308 1 of 2 (c) 2000 Won-Top Electronics I(AV), AVERAGE FWD RECTIFIED CURRENT (A) Single phase half wave Resistive or Inductive load IF, INSTANTANEOUS FORWARD CURRENT (A) 4 100 HER301 - HER304 3 10 HER305 HER306 - HER308 2 1.0 1 0.1 Tj = 25C Pulse width = 300s 2% duty cycle 0 0 25 50 75 100 125 150 175 TA, AMBIENT TEMPERATURE (C) Fig. 1 Forward Current Derating Curve 0.01 0.6 1.0 1.4 1.8 VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 2 Typical Forward Characteristics 200 IFSM, PEAK FORWARD SURGE CURRENT (A) 8.3ms single half sine-wave 100 HER301 - HER305 100 Cj, CAPACITANCE (pF) HER306 - HER308 10 10 1 10 NUMBER OF CYCLES AT 60Hz Fig. 3 Peak Forward Surge Current 100 1 1 10 VR, REVERSE VOLTAGE (V) Fig. 4 Typical Junction Capacitance trr +0.5A 50 NI (Non-inductive) 10 NI 100 Device Under Test (-) Pulse Generator (Note 2) 0A (+) 50V DC Approx -0.25A (-) 1.0 NI Oscilloscope (Note 1) (+) Notes: 1. Rise Time = 7.0ns max. Input Impedance = 1.0M, 22pF. 2. Rise Time = 10ns max. Input Impedance = 50. -1.0A Set time base for 5/10ns/cm Fig. 5 Reverse Recovery Time Characteristic and Test Circuit HER301 - HER308 2 of 2 (c) 2000 Won-Top Electronics |
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