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| SD930 / SD940 / SD945 HIGH CURRENT SCHOTTKY BARRIER RECTIFIER Features * * * * * High Current Capability and Low Forward Drop High Surge Capacity Guard Ring for Transient Protection Low Power Loss, High Efficiency Plastic Package - UL Flammability Classification 94V-0 A B A D DO-201AD Dim Min 25.40 7.20 1.20 4.80 Max -- 9.50 1.30 5.30 A B C D C Mechanical Data * * * * * Case: DO-201AD, Molded Plastic Leads: Solderable per MIL-STD-202, Method 208 Polarity: Cathode band Approx. Weight: 1.1 grams Mounting Position: Any All Dimensions in mm Maximum Ratings and Electrical Characteristics Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. Characteristic Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage Maximum Average Forward Current (Note 2) Maximum Peak One-Cycle Surge Current Forward Voltage (Note 1) @ TC = 120C @ 5s Sine Wave @ 10ms Sine Wave @ IF = 9.0A, TJ = 25C @ IF = 9.0A, TJ = 125C @ IF = 18A, TJ = 25C @ IF = 18A, TJ = 125C @TJ = 25C @ TJ = 125C Symbol VRRM VRWM VR IO IFSM @ TA = 25C unless otherwise specified SD930 30 SD940 40 9.0 2150 340 0.48 0.42 0.57 0.52 10,000 0.8 70 900 8.0 -65 to +150 SD945 45 Unit V A A VFM dv/dt IRM Cj RqJL Tj, TSTG V V/s mA pF K/W C Voltage Rate of Change Peak Reverse Current at Rated DC Blocking Voltage (Note 1) Maximum Junction Capacitance (Note 2) Typical Thermal Resistance Junction to Case (Note 4) Operating and Storage Temperature Range Notes: 1. Pulse width s - Duty Cycle 2%. 2. Measured at 1.0MHz and applied reverse voltage of 4.0V. 3. Device mounted to heat sink with 1/8" lead length. 4. Thermal Resistance from Junction to Lead Vertical PC Board Mounting, 9.5mm Lead Length. DS23026 Rev. C-2 1 of 3 SD930/SD940/SD945 10 50 IO, AVERAGE RECTIFIED CURRENT (A) 8 IF, INSTANTANEOUS FWD CURRENT (A) TJ = 125C 10 6 4 TJ = 25C 1.0 2 Pulse width = 300s 2% duty cycle 0 0.1 0 50 100 150 0.2 0.4 0.6 0.8 1.0 TC, CASE TEMPERATURE (C) Fig. 1 Fwd Current Derating Curve VF, INSTANTANEOUS FWD VOLTAGE (V) Fig. 2 Typical Forward Characteristics 4000 f = 1MHz 1000 PEAK FORWARD SURGE CURRENT (A) TJ = 25C 10000 Cj, CAPACITANCE (pF) 1000 1 100 10 100 1000 10000 0.1 1.0 10 100 VR, REVERSE VOLTAGE (V) Fig. 3 Maximum Junction Capacitance tp, PULSE DURATION (ms) Fig. 4, Maximum Non-repetitive Surge Current DS23026 Rev. C-2 2 of 3 SD930/SD940/SD945 10 THERMAL RESISTANCE RQJL (K/W) D = 0.50 0.33 0.25 0.17 0.08 1.0 P(DM) 0.1 t1 t2 Single Pulse Duty Cycle, D = t1 / t2 Peak TJ = PDM X RQJL + TC 0.01 0.0001 0.001 0.01 0.1 1.0 10 100 t1, RECTANGULAR PULSE DURATION (seconds) Fig. 5, Typical Thermal Resistance RQJL IR, INSTANTANEOUS REVERSE CURRENT (mA) 100 Tj = 125C 10 Tj = 85C 1.0 0.1 Tj = 25C 0.01 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE (%) Fig. 6, Typical IR vs. % of VR DS23026 Rev. C-2 3 of 3 SD930/SD940/SD945 |
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