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Document 1067 Revised 07/15/15 Leakage Part L at 0 A2 L at Ipk3 DCR max (Ohms)4 inductance5 Turns ratio6 Ipk3 number1 ±10% (µH) min (µH) pri sec aux max (µH) pri : sec pri : aux (A) Output 7 For Maxim MAX17498B 1. When ordering, please specify packaging code: MA5237-ELD Packaging: D = 13″ machine ready reel. EIA-481 embossed plastic tape (200 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 D instead. 2. Inductance is for the primary, measured at 500 kHz, 0.1 Vrms. 3. Peak primary current drawn at minimum input voltage. 4. DCR for the secondary is with windings connected in parallel. 5. Leakage inductance is for the primary, measured with the secondary windings shorted. 6. Turns ratio is with the the secondary windings connected in parallel. 7. Output of the secondary is with the windings connected in parallel. Aux winding output is 2.5 V, 20 mA. 8. Electrical specifications at 25°C. Refer to Doc 362 “Soldering Surface Mount Components” before soldering. The secondary windings are to be connected in parallel on the PC board. Core material Ferrite Weight 7.1 g Terminations RoHS tin-silver over tin over nickel over phos bronze. Other terminations available at additional cost. Ambient temperature –40°C to +85°C Maximum part temperature +125°C (ambient + temp rise) 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 200 per 13″ reel Plastic tape: 44 mm wide, 0.4 mm thick, 24 mm pocket spacing, 11.5 mm pocket depth PCB washing Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. See Doc787_PCB_Washing.pdf.
- Flyback transformer developed for Maxim for the MAX17498B Evaluation Kit
- Designed to operate with +18 Vdc to +36 Vdc input
- 3500 Vrms, one minute isolation primary to secondary windings Dimensions are in inches mm Aux Pri Sec Recommended Land Pattern 0.425 10,8 0.750 19,05 0.950 24,13 0.699 17,00 0.799 20.30 0.100 2,54 0.100 2,54 0.069 1,75 0.028 0,70 max max max 0.004 / 0,10 1211 0.748 19,0 0.130 3,30 Dot indicates pin 1 Internal code MA5237-EL XXXX Y