Document 561 SMT Gate Drive Transformer • Designed for transformer coupled MOSFET and IGBT gate drive circuits; operating frequency: 50 kHz to 2 MHz. • 2250 Vdc primary to secondary isolation • Requires only 56 mm2 of board space. • Specified by National Semiconductor on AN-1521 for their POE+PHYTEREV-I/-E evaluation boards. Core material Ferrite Terminations RoHS compliant tin-silver over tin over nickel over phos bronze Weight 700 mg Ambient temperature –40°C to +125°C Storage temperature Component: –40°C to +125°C. Packaging: –40°C to +80°C Resistance to soldering heat Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C / 85% relative humidity) Failures in Time (FIT) / Mean Time Between Failures (MTBF) 38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332 Packaging 175/7″reel; 750/3″ reel Plastic tape: 16 mm wide, 0.36 mm thick, 12 mm pocket spacing, 7.24 mm pocket depth PCB washing Only pure water or alcohol recommended Part number1 Turns ratio Primary inductance2 min (µH) Leakage inductance3 max (µH) Primary DCR max (Ohms) Secondary DCR max (Ohms) Volt-time product4 (V-µsec) FA2659-AL_ 1:1 296.0 1.5 0.795 0.655 34.2 1. When ordering, please specify packaging code: 0.040 1,02 0.211 5,36 0.016 0,40 4 5 1 8 0.057 1,50 0.191 4,85 0.028 0,70 0.075 1,90 Recommended Land Pattern inches mm Specifications subject to change without notice. Please check our website for latest information. © Coilcraft, Inc. 2009 0.285 max 7,25 1 0.075 1,90 Dimensions are in 4 0.004 /0,10 0.309 max 7,85 Sec 8 21.9 0.276 max 7,00 1 Pri 1.39 Dot over pin 1 FA2659-ALC Packaging: C = 7″ machine-ready reel. EIA-481 embossed plastic tape (150 parts per full reel). B = Less than full reel. In tape, but not machine ready. To have a leader and trailer added ($25 charge), use code letter C instead. D = 13″ machine-ready reel. EIA-481 embossed plastic tape. Factory order only, not stocked (750 parts per full reel). 2. Inductance measured at 100 kHz, 0.1 Vrms, 0 Adc 3. Leakage inductance measured at 100 kHz, 0.1 Vrms with secondary pins shorted. 4. Based on Bsat of the core at 25°C and number of turns of the primary. 5. SRF measured with coils connected in series using an Agilent/HP 4192 or equivalent. 6. Electrical specifications at 25°C. Refer to Doc 362 “Soldering Surface Mount Components” before soldering. 5 SRF Capacitance min5 pri to sec (MHz) max (pF) Document 561 Revised 09/01/09