1N17 ~ 1N19 SCHOTTKY BARRIER RECTIFIERS Reverse Voltage – 20 to 40 Volts Forward current – 1.0 Amperes R-1 Features • • • • • Metal silicon junction, majority carrier conduction Low power loss, high efficiency High current capability low forward voltage drop High surge capability For use in low voltage, high frequency inverters, free wheeling, and polarity protection applications Mechanical data • Case: R-1 molded plastic body • Terminals: Plated axial leads, solderable per MIL-STD-750, method 2026 • Polarity: color band denotes cathode end • Mounting Position: Any Absolute Maximum Ratings and Characteristics Ratings at 25oC ambient temperature unless otherwise specified. Symbols 1N17 1N18 1N19 Units Maximum Repetitive Peak Reverse Voltage VRRM 20 30 40 Volts Maximum RMS voltage VRMS 14 21 28 Volts Maximum DC Blocking Voltage VDC 20 30 40 Volts Maximum Non-repetitive Peak Reverse Voltage VRSM 24 36 48 Volts Maximum Average Forward Rectified Current O 0.375” (9.5mm) Lead Length At TL = 90 C I(AV) 1 Amps Peak Forward Surge Current, 8.3ms Single half sine-wave O Superimposed On Rated Load (JEDEC method) At TL = 70 C IFSM 25 Amps Maximum Instantaneous Forward Voltage At 1 A Maximum Instantaneous Forward Voltage At 3.1 A Maximum Instantaneous Reverse Current at Rated DC Blocking Voltage VF VF TA = 25OC O IR TA = 100 C Typical Thermal Resistance Typical Junction Capacitance Storage and Operating Junction Temperature Range RθJA 0.45 0.75 0.550 0.875 0.60 0.90 Volts Volts 0.5 mAmps 10 mAmps RθJL 50 15 CJ 110 TJ ,TS -65 to +125 O C/W pF O C Notes: 1. Pulse test: 300μs pulse width, 1% duty cycle 2. Thermal resistance (from junction to ambient) Vertical P.B.C. MOUNTED, 0.5” (12.7 mm) lead length 3. Measured at 1.0MHz and reverse voltage of 4.0 volts SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) ® Dated : 23/12/2002 1N17 ~ 1N19 Fig.2- MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 1 0.75 RESISTIVE OR INDUCTIVE LOAD 0.375" (9.5mm) LEAD LENGTH 0.5 0.25 0 0 20 40 60 80 100 LEAD TEMPERATURE, 120 140 (o C) PEAK FORWARD SURGE CURRENT AMPERES AVERAGE FORWARD CURRENT AMPERES FIG.1-FORWARD CURRENT DERATING CURVE 30 25 TJ=TJ max. 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) 20 15 10 5 0 1 Fig.4- TYPICAL REVERSE CHARACTERISTICS 100 INSTANTANEOUS REVERSE CURRENT, MILLIAMPERES 20 10 o Tj=125 C Pulse Width=300 S 1% Duty Cycle 1 o Tj=25 C 0.1 10 TJ=125 oC 1 0.1 o TJ=75 C 0.01 o TJ=25 C 0.001 0.01 20 0 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 40 60 100 80 PERCENT OF RATED PEAK REVERSE VOLTAGE,% INSTANTANEOUS FORWARD VOLTAGE VOLTS Fig.5- TYPICAL JUNCTION CAPACITANCE TRANSIENT THERMAL IMPEDANCE, C/W Fig.6- TYPICAL TRANSIENT THERMAL IMPEDANCE o JUNCTION CAPACITANCE,pF 100 NUMBER OF CYCLES AT 60 Hz Fig.3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS INSTANTANEOUS FORWARD CURRENT AMPERES 10 400 Tj=25 C f=1.0MHz Vsig=50mVp-p 100 10 0.1 1 10 REVERSE VOLTAGE, VOLTS 100 100 10 1 0.1 0.01 0.1 1 10 100 t, PULSE DURATION,sec. SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) ® Dated : 23/12/2002