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| SR2020CT THRU SR2060CT SCHOTTKY BARRIER RECTIFIERS Reverse Voltage - 20 to 60 Volts Forward Current - 20 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 Mechanical Data * Case: Molded plastic body, TO-220 * Epoxy: UL 94V-O rate flame retardant * Terminals: Leads solderable per MIL-STD-202, method 208 * Polarity: As marked * Mounting Position: Any PIN 1 PIN 3 CASE PIN 2 PIN 1 PIN 3 PIN 1 CASE PIN 3 PIN 2 DOUBLER SUFFIX "D" CASE PIN 2 POSITIVE CT NEGATIVE CT SUFFIX "A" Absolute Maximum Ratings and Characteristics Ratings at 250C unless otherwise specified. Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate by 20%. Symbols SR2020CT SR2030CT SR2040CT SR2050CT SR2060CT Units Maximum recurrent peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current (see fig.1) Peak forward surge current 8.3mS single half sine-wave superimposed on rated load (JEDEC method) Maximum forward voltage at 10 A DC Maximum reverse current at rated blocking voltage TC = 25 OC TC = 100OC VRRM VRMS VDC I(AV) IFSM VF IR CJ RJC TJ TS 20 14 20 30 21 30 40 28 40 20 250 50 35 50 60 42 60 V V V A A 0.55 1.0 50 600 2.0 -55 to +125 -55 to +150 0.70 V mA Typical junction capacitance (Note 1) Typical thermal resistance (Note 2) Operating junction temperature range Storage temperature range 400 O pF C/W O O -55 to +150 C C Notes: (1) Measured at 1MHZ and applied reverse voltage of 4 Volts DC (2) Thermal Resistance from Junction to case per leg SEMTECH ELECTRONICS LTD. (R) (Subsidiary of Semtech International Holdings Limited, acompany listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 04/09/2003 SR2020CT THRU SR2060CT Forward current derating curve 20 Average forward current, A 10 Typical reverse characteristics per leg 16 Instantaneous reverse current, mA TJ=100 C CT 060 SR2 CT050 SR2 020C S R2 12 8 4 0 50 1 100 Case temperature( C) Maximum non-repeitive peak forward surge current per leg 0.001 CT 2040 T-SR TJ=75 C 0.1 150 TJ=25 C 0.01 Peak forward surge current, A 300 8.3ms single phase half sine wave per leg (JEDEC method) Tj = Tj max. 0 40 80 120 140 Percent of rated peak reverse voltage, % 200 100 Typical forward characteristics per leg 100 0 1 10 100 Instantaneous forward current, A Number of cycles at 60Hz 10 SR2020CT-SR2040CT Typical junction capacitance per leg SR2050CT-SR2060CT Junction capacitance, pF 4000 Tj=25 C f=1MHz Vsig=50mVp-p 1 1000 SR2020CT - SR2040CT Tj=25 C Pulse width=300 s 1% duty cycle 0.1 0.2 0.4 0.6 0.8 0.9 SR2050CT - SR2060CT 100 Instantaneous forward voltage, V 0.1 1 10 100 Reverse voltage,V SEMTECH ELECTRONICS LTD. (R) (Subsidiary of Semtech International Holdings Limited, acompany listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 04/09/2003 |
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