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 -40C to +125C Storage temperature Component: -40C to +125C. Packaging: -40C to +80C Resistance to soldering heat Max three 40 second reflows at +260C, parts cooled to room temperature between cycles Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30C / 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 DA2319-AL_ DA2318-AL_ DA2320-AL_ DA2317-AL_ Turns ratio pri : sec 1:1 1.5 : 1 1:1:1 2:1:1 Primary Leakage inductance2 inductance3 min (H) max (H) 296.0 680.0 264.0 330.0 Primary DCR max (Ohms) Secondary DCR max (Ohms) Volt-time product (V-sec) 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 1.75 1.25 2.50 2.00 14.0 14.0 95.0 18.0 Dot over 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 -40C to +125C. 6. Electrical specifications at 25C. Refer to Doc 362 "Soldering Surface Mount Components" before soldering. SRF Capacitance min4 pri to sec (MHz) max (pF) 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 Dimensions are in 0.073 1,85 0.004 /0,10 0.260 max 6,60 0.063 1,60 0.073 1,85 DA2318-AL, DA2319-AL 6 2 5 3 4 DA2317-AL, DA2320-AL 1 Pri 2 Sec 6 1 Recommended Land Pattern inches mm 4 0.035 0,90 0.228 5,80 3 1 Pri 5 Sec 3 6 4 US +1-847-639-6400 sales@coilcraft.com UK +44-1236-730595 sales@coilcraft-europe.com Taiwan +886-2-2264 3646 sales@coilcraft.com.tw China +86-21-6218 8074 sales@coilcraft.com.cn Singapore + 65-6484 8412 sales@coilcraft.com.sg Document 512 Revised 07/18/12 (c) Coilcraft Inc. 2012 This product may not be used in medical of high risk applications without prior Coilcraft approval. Specification subject to change without notice. Please check out web site for latest information.