SR1020CT THRU SR1060CT SCHOTTKY BARRIER RECTIFIERS Reverse Voltage – 20 to 60 Volts Forward Current – 10 Amperes Features • • • • • • • • Plastic package has Underwriters Laboratory Flammability Classification 94V-0 Metal of silicon rectifier, majority carrier conduction Guard ring for transient protection High capability Low power loss, high efficiency High current capability, low forward voltage High surge capacity For use in low voltage, high frequency inverters free wheeling, and polarity protection applications PIN 1 PIN 3 CASE PIN 2 PIN 1 PIN 1 PIN 3 CASE PIN 3 PIN 2 POSITIVE CT Mechanical Data • Case: Molded plastic body, TO-220 • Terminals: Axial leads, solderable per MIL-STD-202, method 208 • Polarity: As marked • Mounting Position: Any NEGATIVE CT SUFFIX "A" CASE PIN 2 DOUBLER SUFFIX "D" Absolute Maximum Ratings and Characteristics Ratings at 250C unless otherwise specified. Single phase, half wave, resistive or inductive load. For capacitive load, derate by 20% Symbols SR1020CT SR1030CT SR1040CT SR1050CT SR1060CT 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) 10 A Peak forward surge current 8.3mS single half sine-wave superimposed on rated load (JEDEC method) IFSM 175 A Maximum instantaneous forward voltage at 5.0 A TC = 25 OC TC = 100OC VF 0.55 0.70 V IR 0.5 50 mA Typical junction capacitance (Note 1) Ctot 400 pF Typical thermal resistance (Note 2) RθJC 3.0 Maximum reverse current at rated reverse voltage Operating junction temperature range storage temperature range Notes: TJ -55 to +125 TS O -55 to +150 -55 to +150 (1) Measured at 1MHZ and applied reverse voltage of 4 Volts (2) Thermal Resistance from Junction to case per leg SEMTECH ELECTRONICS LTD. ® (Subsidiary of Semtech International Holdings Limited, acompany listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 10/07/2003 C/W O C O C SR1020CT THRU SR1060CT Forward current derating curve Typical reverse characteristics per leg 10 SR1 S CT- T-SR 20C 0 50 7.5 R 10 T 60C 0CT 104 2.5 0 50 150 100 Case temperature( C) TJ=75 C 0.1 TJ=25 C 0.01 0.001 300 0 80 40 120 140 Percent of rated peak reverse voltage, % 200 Typical forward characteristics per leg 100 50 0 10 1 100 Number of cycles at 60Hz Typical junction capacitance per leg Junction capacitance, pF 1 4000 Tj=25 C f=1MHz Vsig=50mVp-p 1000 Instantaneous forward current, A Peak forward surge current, A Maximum non-repeitive peak forward surge current Instantaneous reverse current, mA TJ=125 C 0 SR1 Average forward current, A 12.5 SR1020CT-SR1040CT 10 SR1050CT-SR1060CT 1 0.1 0.2 0.4 0.6 0.8 1 1.1 Instantaneous forward voltage, V 100 0.1 1 10 100 Reverse voltage,V SEMTECH ELECTRONICS LTD. ® (Subsidiary of Semtech International Holdings Limited, acompany listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 10/07/2003