SR850

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 Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) Maximum Forward Voltage at 8 A DC and 25 OC Maximum Reverse Current at Rated DC Blocking Voltage Typical Junction Capacitance 1) Typical Thermal Resistance 2) Symbols VRRM VRMS VDC I(AV) IFSM VF IR CJ RθJC Topr Tstg SR820 20 14 20 SR830 30 21 30 SR840 40 28 40 8 150 SR850 50 35 50 SR860 60 42 60 Units V V V A A 0.55 0.5 50 700 3 - 55 to + 125 - 55 to + 150 0.7 V mA TC = 25 OC TC = 125 OC 460 O pF C/W O Operating Temperature Range Storage Temperature Range 1) 2) - 55 to + 150 C 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