Document 374 Flyback Transformers • Developed for the ON Semiconductor NCP101X Self-Supplied Monolithic Switcher • A9619-CL provides 7 Watts output for 120 Vac applications B0570-BL provides 15 Watts for 230 Vac applications For ON Semiconductor NCP101X Coilcraft can also custom engineer a transformer to meet your specific requirements. For free evaluation samples, contact Coilcraft or visit www.coilcraft.com. Leakage inductance3 max (µH) Turns ratio pri : sec : aux Output power (W) Output voltage (V) Output current (A) Isolation voltage4 (Vrms) 1.74 (pri) 0.040 (sec) 0.278 (aux) 60 1 : 0.10 : 0.14 6 12 0.58 2000 2.57 (pri) 0.038 (sec) 0.285 (aux) 95 1 : 0.06 : 0.08 12 12 1.25 3000 Part number1 Inductance2 ±10% (mH) DCR max (Ohms) A9619-CL 3.2 B0570-BL 3.4 1. When ordering, please specify termination code: B0570-BL Termination: L = RoHS compliant tin-silver over tin over nickel over phos bronze. Special order: T = RoHS tin-silver-copper (95.5/4/0.5) or S = non-RoHS tin-lead (63/37). 2. Inductance is for the primary, measured at 10 kHz, 0.1 Vrms, 0 Adc. 3. Leakage inductance tested at 100 kHz, 0.1 Vrms 4. Isolation tested between primary and secondary and between primary and auxiliary windings. 5. Electrical specifications at 25°C. Refer to Doc 362 “Soldering Surface Mount Components” before soldering. 1.100 max 27,94 Core material Ferrite Terminations RoHS tin-silver over tin over copper. Other terminations available at additional cost. Weight 15.8 – 16.3 g 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 81 parts per tray PCB washing Only pure water or alcohol recommended 0.950 max 24,13 0.620 15,75 0.150 ±0.030 3,81 ±0,76 0.150 3,81 6 5 10 5 Primary Secondary 6 1 1 0.200 (7 places) 5,08 1.100 max 27,94 7 1 10 Bottom view Dimensions are in inches mm Auxiliary 0.620 15,75 Recommended PC Board Layout 0.044 dia 1,12 Specifications subject to change without notice. Please check our website for latest information. © Coilcraft, Inc. 2009 9 Document 374 Revised 12/09/09