Web Sample Support Document 1508 page & buy & FAQ No-Opto Flyback Transformers Three output versions optimized for Texas Instruments LM5180 and LM5180-Q1 Flyback Converter, Analog Device LT830x Flyback Converter and similar ICs Designed to operate up to 350 kHz with 4.5 70 V input 1500 Vrms, one minute isolation between primary and secondary Core material Ferrite Terminations RoHS tin-silver-copper over tin over nickel over phos bronze. Other terminations available at additional cost. Weight 2.05 2.15 g Ambient temperature 40C to +85C Max Part Temperature +125C (ambient + temperature rise) Storage temperature Component: 40C to +125C Tape and reel 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 300/13 reel Plastic tape: 32 mm wide, 0.42 mm thick, 20 mm pocket spacing, 10.69 mm pocket depth PCB washing Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. See Doc787 PCB Washing.pdf. Inductance Inductance Leakage 4 2 3 DCR max (Ohms) Turns ratio Part at 0 A at 2 A inductance Power 1 5 number 10% (H) (H) pri sec1 sec2 max (H) pri : sec1 pri : sec2 (W) Output YA8779-BLD 30 24 0.140 0.013 0.380 1 : 0.330 6 5 V, 1.20 A YA8916-BLD 30 27 0.360 0.695 0.392 0.565 1 : 1 1 : 0.52 4.60 15 V, 0.20 A (sec1) 8 V, 0.20 A (sec2) YA8864-BLD 30 27 0.180 0.680 0.180 0.295 1 : 1.5 1 : 0.40 3.50 20 V, 0.10 A (sec1) 5 V, 0.30 A (sec2) 1. Packaging: D = 13 machine-ready reel. EIA-481 embossed plastic tape. Quantities less than full reel available: in tape (not machine ready) or with leader and trailer ( 25 charge). 2. Inductance is for the primary, measured at 300 kHz, 0.1 Vrms, 0 Adc. 3. Minimum inductance for the primary, measured at 300 kHz, 0.1 Vrms, 2 Adc. 4. Sec1 DCR for YA8779 is with windings connected in parallel. 5. Leakage Inductance is for the primary, measured with secondary windings shorted together. 6. Electrical specifications at 25C. Refer to Doc 362 Soldering Surface Mount Components before soldering. Document 1508 Revised 09/28/18 US +1-847-639-6400 sales coilcraft.com UK +44-1236-730595 sales coilcraft-europe.com Coilcraft Inc. 2020 This product may not be used in medical or high Taiwan +886-2-2264 3646 sales coilcraft.com.tw risk applications without prior Coilcraft approval. China +86-21-6218 8074 sales coilcraft.com.cn Specification subject to change without notice. Singapore + 65-6484 8412 sales coilcraft.com.sg Please check web site for latest information.YA8779-BL XXXX Y Document 1508-2 No-opto Flyback Transformers YA8779, YA8916, YA8864 YA8779, YA8916, YA8864 0.366 0.028 max 9,3 Dot indicates pin1 0,71 1 8 0.417 0.402 max max 10,6 10,2 0.098 5 2,49 4 Part 0.004/ 0.10 Internal number 0.291 code 7,4 0.063 inches Dimensions are in 1,60 0.244 0.074 mm 1,9 6,2 0.098 2,49 Recommended LandPattern Schematics YA8779* YA8916 YA8864 8 8 Sec1 Sec1 8 15 V, 0.20 A 20 V, 0.10 A 1 7 1 1 7 7 Sec Pri 5V, 1.20 A Pri Pri 6 6 5 4 4 Sec2 4 Sec2 6 8V, 0.20 A 5V, 0.30 A 5 5 *Connect pin 5 to 6 and pin 7 to 8 on the PC board Document 1508-2 Revised 09/28/18 US +1-847-639-6400 sales coilcraft.com UK +44-1236-730595 sales coilcraft-europe.com Coilcraft Inc. 2020 This product may not be used in medical or high Taiwan +886-2-2264 3646 sales coilcraft.com.tw risk applications without prior Coilcraft approval. China +86-21-6218 8074 sales coilcraft.com.cn Specification subject to change without notice. Singapore + 65-6484 8412 sales coilcraft.com.sg Please check web site for latest information.