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 +125°C Storage temperature Component: –40°C to +125°C. Tape and reel 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, 0.5 mm thick, 20 mm pocket spacing, 5.54 mm pocket depth PCB washing Tested with pure water or alcohol only. For other solvents, see Doc787_PCB_Washing.pdf Part number1 DA2319-AL_ DA2318-AL_ DA2320-AL_ DA2317-AL_ Turns ratio pri : sec 1:1 1.5 : 1 1:1:1 2:1:1 Primary inductance2 min (µH) 296.0 680.0 264.0 330.0 Leakage inductance3 max (µH) 1.5 4.0 0.30 0.60 Primary DCR max (Ohms) 0.795 1.65 1.50 1.40 Secondary DCR max (Ohms) 0.655 0.860 1.50 (2-5; 3-4) 0.650 (2-5); 0.790 (3-4) 4 1 Pri 6 DA2317-AL, DA2320-AL 2 Sec 3 DA23xx -AL X DA2318-AL, DA2319-AL Internal code 0.213 max 5,40 0.022 0,55 0.323max 8,20 0.024 0,60 0.197 5,00 3 4 2 5 1 6 1 Pri 5 Sec 3 6 SRF Capacitance min4 pri to sec (MHz) max (pF) 1.75 14.0 1.25 14.0 2.50 95.0 2.00 18.0 Dot indicates pin 1 1. When ordering, please specify termination and packaging codes: DA2320-ALC Termination: L = RoHS compliant tin-silver over tin over nickel over phos bronze Special order, added cost: S = non-RoHS tin-lead (63/37) 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. Volt-time product (V-µsec) 25.8 40.8 24.5 24.5 Dimensions are in 0.073 1,85 0.004 /0,10 0.260 max 6,60 0.063 1,60 0.073 1,85 0.035 0,90 0.228 5,80 1 6 2 5 3 4 Recommended Land Pattern inches mm 4 Document 512 Revised 06/03/15