SK34

SK32 THRU SK3A SCHOTTKY BARRIER RECTIFIER Reverse Voltage - 20 to 100 V Forward Current - 3 A Features • Plastic package has Underwriters Laboratory Flammability Classification 94V-0 • Metal silicon junction, majority carrier conduction • Built-in strain relief, ideal for automated placement • For surface mount applications • Low profile package • Low power loss, high efficiency • High current capability , Low forward voltage drop • For use in low volatge, high frequency inverters, free wheeling, and polarity protection applications Mechanical Data • Case: JEDEC SMB (DO-214AA) molded plastic body • Terminals: solder plated, solderable per MIL-STD-750, Method 2026 • Polarity: color band denotes cathode end Absolute Maximum Ratings and Characteristics Ratings at 25 OC ambient temperature unless otherwise specified. Single phase, half wave, resistive or inductive load, For capacitive load, derate by 20% Parameter Symbols SK32 SK33 SK34 SK35 SK36 SK38 SK3A Units Maximum Repetitive Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current 0.375" (9.5 mm) Lead Length Peak Forward Surge Current, 8.3 ms Single Halfsine-wave Superimposed on rated load (JEDEC method) Maximum Forward Voltage at 3 A DC 1) Maximum Reverse Current TA = 25 OC 1) at Rated DC Blocking Voltage TA = 100 OC Typical Junction Capacitance 3) Typical Thermal Resistance 2) Operating Junction Temperature Range Storage Temperature Range 1) 2) VRRM VRMS VDC I(AV) 20 14 20 30 21 30 40 28 40 50 35 50 3 60 42 60 80 57 80 100 71 100 V V V A IFSM VF IR CJ RθJA RθJL TJ TS -65 to +125 0.55 80 0.75 1.5 20 250 55 17 -65 to +150 -65 to +150 10 160 O A 0.85 V mA pF C/W O C C O Pulse test: 300 µs pulse width, 1% duty cycle. P.C.B. mounted with 0.55 X 0.55" (14 X 14 mm) copper pad areas. 3) Measured at 1 MHz and applied reverse voltage of 4 V. SEMTECH ELECTRONICS LTD. (Subsidiary of Semtech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) R Dated : 25/04/2006 J SK32 THRU SK3A SEMTECH ELECTRONICS LTD. (Subsidiary of Semtech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) R Dated : 25/04/2006 J