Document 512 SMT Gate Drive Transformers • Designed for high switching speed, transformer coupled MOSFET and IGBT gate drive circuits. • Operating frequency: 50 kHz – 2 MHz • Primary to secondary isolation: 1500 Vdc. For DA2317-AL and DA2320-AL, isolation between secondaries is 500 Vdc. Core material Ferrite Terminations RoHS compliant tin-silver over tin over nickel over phos bronze. Other terminations available at additional cost. Weight 535 – 580 mg Ambient temperature –40°C to +85°C Storage temperature Component: –40°C to +85°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 250/7″ reel; 1000/13″ reel Plastic tape: 16 mm wide, 0.36 mm thick, 20 mm pocket spacing, 5.54 mm pocket depth PCB washing Only pure water or alcohol recommended Part number1 Turns ratio pri : sec DA2319-AL_ DA2318-AL_ DA2320-AL_ DA2317-AL_ 1:1 1.5 : 1 1:1:1 2:1:1 Primary Leakage inductance2 inductance3 min (µH) max (µH) 296.0 680.0 264.0 330.0 Primary DCR max (Ohms) Secondary DCR max (Ohms) Volt-time product (V-µsec) 0.795 1.65 1.50 1.40 0.655 0.860 1.50 (2-5; 3-4) 0.650 (2-5); 0.790 (3-4) 25.8 40.8 24.5 24.5 1.5 4.0 0.30 0.60 DA2320-ALC Packaging: C = 7″ machine-ready reel. EIA-481 embossed plastic tape (250 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 (1000 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. SRF measured with coils connected in series using an Agilent/HP 4192 or equivalent. 5. Operating temperature range −40°C to +125°C. 6. Electrical specifications at 25°C. Refer to Doc 362 “Soldering Surface Mount Components” before soldering. 4 1 6 3 Pri 14.0 14.0 95.0 18.0 0.213 max 5,40 0.004 /0,10 0.022 0,55 0.323max 8,20 0.260 max 6,60 0.024 0,60 0.197 5,00 3 4 2 5 1 6 0.073 1,85 DA2317-AL, DA2320-AL 2 Sec 2.23 1.00 3.60 4.00 Dot over pin 1 1. When ordering, please specify packaging code: DA2318-AL, DA2319-AL SRF Capacitance min4 pri to sec (MHz) max (pF) Dimensions are in inches mm 0.073 1,85 0.035 0,90 0.228 5,80 0.063 1,60 1 6 2 5 3 4 Recommended Land Pattern 1 5 Sec 3 Pri 6 4 Specifications subject to change without notice. Please check our website for latest information. © Coilcraft, Inc. 2009 Document 512 Revised 07/21/08