SD930 / SD940 / SD945 HIGH CURRENT SCHOTTKY BARRIER RECTIFIER Please click here to visit our online spice models database. Features • • • • • Mechanical Data • • High Current Capability and Low Forward Drop High Surge Capacity Guard Ring for Transient Protection Low Power Loss, High Efficiency Lead Free Finish, RoHS Compliant (Note 1) • • • • • • Case: DO-201AD Case Material: Molded Plastic. UL Flammability Classification Rating 94V-0 Moisture Sensitivity: Level 1 per J-STD-020D Terminals: Finish ⎯ Tin. Leads Solderable per MIL-STD-202, Method 208 Polarity: Cathode Band Mounting Position: Any Ordering Information: See Page 3 Weight: 1.1 grams (approximate) Top View Maximum Ratings @TA = 25°C unless otherwise specified Single phase, half wave, 60Hz, resistive or inductive load. For capacitance load, derate current by 20%. Characteristic Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage Voltage Rate of Change Maximum Average Forward Current @ TC = 120°C (Note 3) Maximum Peak One-Cycle @ 5µs Sine Wave Surge Current @ 10ms Sine Wave Symbol VRRM VRWM VR dv/dt SD930 SD940 SD945 Unit 30 40 45 V 10,000 V/µs IO 9.0 A IFSM 2150 340 A Thermal Characteristics Characteristic Typical Thermal Resistance Junction to Case (Note 2) Symbol RθJL Value 8.0 Unit K/W Operating and Storage Temperature Range TJ, TSTG -65 to +150 °C Electrical Characteristics Characteristic @TA = 25°C unless otherwise specified Symbol Forward Voltage (Note 4) VF Peak Reverse Current (Note 4) IR Total Capacitance CT Notes: 1. 2. 3. 4. 5. Min Typ Max Unit - - - - 0.48 0.42 0.57 0.52 V - - - - 0.8 70 mA - - 900 pF Test Condition IF = 9.0A, TJ = 25°C IF = 9.0A, TJ = 125°C IF = 18A, TJ = 25°C IF = 18A, TJ = 125°C @ Rated VR, TA = 25°C @ Rated VR, TA = 100°C VR = 4V, f = 1MHz RoHS revision 13.2.2003. Glass and high temperature solder exemptions applied, see EU Directive Annex Notes 5 and 7. Thermal resistance from junction to lead vertical PC board mounting, 9.5mm lead length. Device mounted to heat sink with 1/8" lead length. Pulse width ≤ μs - Duty Cycle ≤ 2%. Short duration pulse test used to minimize self-heating effect. SD930 / SD940 / SD945 Document number: DS23026 Rev. 5 - 2 1 of 3 www.diodes.com May 2008 © Diodes Incorporated SD930 / SD940 / SD945 IF, INSTANTANEOUS FORWARD CURRENT (A) IO, AVERAGE RECTIFIED CURRENT (A) 10 8 6 4 2 0 0 50 100 TC, CASE TEMPERATURE (°C) Fig. 1 Forward Current Derating Curve 4,000 50 TJ = 125°C 10 T J = 25°C 1.0 2% duty cycle 0.1 0.2 0.4 0.6 0.8 1.0 VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 2 Typical Forward Characteristics 150 10,000 TJ = 25°C PEAK FORWARD SURGE CURRENT (A) Cj, CAPACITANCE (pF) f = 1MHz 1,000 100 10 1.0 VR, REVERSE VOLTAGE (V) Fig. 3 Maximum Junction Capacitance 0.1 1,000 100 1 10 100 1,000 10,000 tp, PULSE DURATION (ms) Fig. 4 Maximum Non-repetitive Surge Current THERMAL RESISTANCE RθJL (K/W) 10 1.0 0.1 0.01 0.0001 0.001 0.01 0.1 1.0 10 100 t1, RECTANGULAR PULSE DURATION (s) Fig. 5 Typical Thermal Resistance RθJL SD930 / SD940 / SD945 Document number: DS23026 Rev. 5 - 2 2 of 3 www.diodes.com May 2008 © Diodes Incorporated IR, INSTANTANEOUS REVERSE CURRENT (mA) SD930 / SD940 / SD945 100 Tj = 125ºC 10 Tj = 85ºC 1.0 0.1 Tj = 25ºC 0.01 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE (%) Fig. 6 Typical IR vs. % of VR Ordering Information Notes: (Note 6) Part Number Case Packaging SD930-B SD930-T SD940-B SD940-T SD945-B SD945-T DO-201AD DO-201AD DO-201AD DO-201AD DO-201AD DO-201AD 500/Bulk 1.2K/Tape & Reel, 13-inch 500/Bulk 1.2K/Tape & Reel, 13-inch 500/Bulk 1.2K/Tape & Reel, 13-inch 6. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. Package Outline Dimensions Dim A B C D DO-201AD Min 25.40 7.20 1.20 4.80 All Dimensions in mm Max ⎯ 9.50 1.30 5.30 IMPORTANT NOTICE Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further notice to any product herein. Diodes Incorporated does not assume any liability arising out of the application or use of any product described herein; neither does it convey any license under its patent rights, nor the rights of others. The user of products in such applications shall assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on our website, harmless against all damages. LIFE SUPPORT Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written approval of the President of Diodes Incorporated. SD930 / SD940 / SD945 Document number: DS23026 Rev. 5 - 2 3 of 3 www.diodes.com May 2008 © Diodes Incorporated