SR820 THRU SR860 SCHOTTKY BARRIER RECTIFIER Reverse Voltage – 20 to 60 V Forward Current – 8 A Features • High current capability, low VF • Metal to silicon rectifier, majority carrier conduction • Low power loss, high efficiency • Plastic package has UL flammability classification 94V-0 • Guard ring for transient protection • High surge capacity • For use in low voltage, high frequency inverters free wheeling, and polarity protection applications Mechanical Data Case: Molded plastic, TO-220A Epoxy: UL 94V-0 rate flame retardant Terminals: Leads solderable per MIL-STD-202, method 208 guaranteed Polarity: As marked Mounting Position: Any Absolute Maximum Ratings and Characteristics Ratings at 25 OC ambient temperature unless otherwise specified. Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20% Parameter Symbols SR820 SR830 SR840 SR850 SR860 Units Maximum Recurrent Peak Reverse Voltage VRRM 20 30 40 50 60 V Maximum RMS Voltage VRMS 14 21 28 35 42 V Maximum DC Blocking Voltage VDC 20 30 40 50 60 V Maximum Average Forward Rectified Current I(AV) 8 A Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) IFSM 150 A Maximum Forward Voltage at 8 A DC and 25 OC VF Maximum Reverse Current at Rated DC Blocking Voltage IR Typical Junction Capacitance 1) Typical Thermal Resistance 2) TC = 25 OC TC = 125 OC CJ Topr Storage Temperature Range Tstg 2) 0.7 V 0.5 50 700 mA 460 - 55 to + 125 - 55 to + 150 pF C/W 3 RθJC Operating Temperature Range 1) 0.55 O - 55 to + 150 C O C O Measured at 1 MHz and applied reverse voltage of 4 V. Thermal Resistance from Junction to case per leg. SEMTECH ELECTRONICS LTD. R (Subsidiary of Semtech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 06/05/2006 H SR820 THRU SR860 SEMTECH ELECTRONICS LTD. R (Subsidiary of Semtech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 06/05/2006 H