GF1845LAF Voltage Range 45 Volts Current 18 .0 Amperes 18 AMPS. SCHOTTKY BARRIER RECTIFIER ITO-220AC Features ．Low forward voltage drop ．High current capability ．High reliability .406(10.3) MAX ．High surge current capability Mechanical Data .112(2.85) .100(2.55) ．Cases: ITO-220AC molded plastic .161(4.1) MAX ．Epoxy: UL 94V-O rate flame retardant ．Polarity: As marked ．High temperature soldering guaranteed: 260℃/10 seconds/ .25”,(6.35mm) from case .124(3.16) MAX DIA .185(4.7) MAX .606(15.5) .583(14.8) PIN1 2 ．Terminals: Lead solderable per MIL-STD-202, Method 208 guaranteed .134(3.4) .113(3.0) .110(2.8) .098(2.5) .063(1.6) MAX .55(1.4) MAX .035(0.9) MAX .543(13.8) .512(13.2) .100(2.55) .030(0.76) MAX .100(2.55) ．Weight: 1.52 grams PIN1 PIN2 CASE Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Rating at 25℃ ambient temperature unless otherwise specified. Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20% Type Number GF1845LAF UNITS Maximum Recurrent Peak Reverse Voltage VRRM 45 V Maximum RMS Voltage VRMS 31.5 V Maximum DC Bl℃king Voltage Maximum Average Forward Rectified Current See Fig. 1 Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) Peak Repetitive Reverse Surge Current (Note 1) VDC I(AV) 45 V 18 .0 A IFSM 275 A IRRM 1.0 A Maximum Instantaneous Forward Voltage at (Note 2) IF=18A, Tc=25℃ VF 0.65 V Maximum Instantaneous Reverse Current @ Tj =25℃at Rated DC Blocking Voltage (Note 2) @ Tj =125℃ IR 0.5 50 mA Typical Junction Capacitance (Note 3) Cj 450 pF RθJC 3.2 ℃/W TJ -55 to +200 ℃ TSTG -55 to +150 ℃ Maximum Thermal Resistance, Junction to Case Operating Junction Temperature Range In DC forward mode Storage Temperature Range mA NOTES：1. 2.0us Pulse Width, f=1.0 KHz 2. Pulse Test: 300us Pulse Width, 1% Duty Cycle 3. Mounted on Heatsink Size of 2 in x 3 in x 0.25in Al-Plate. Page 1 of 2 http://www.21yangjie.com RATING AND CHARACTERISTIC CURVES GF1845LAF Page 2 of 2 http://www.21yangjie.com