Document 452 For Linear Technology LT1725 SMT Power Transformer Isolated Flyback Controller Can be used in isolated and non-isolated designs Operates with 36 72 Volts input can be used for PoE. 1500 Vrms, one minute isolation between the primary and the secondary Core material Ferrite Terminations RoHS tin-silver (96.5/3.5) over tin over nickel over phos bronze. Other terminations available at additional cost. Weight 5.1 g Ambient temperature 40C to +125C 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) Packaging 200 per 13 reel Plastic tape: 44 mm wide, 0.35 mm thick, 28 mm pocket spacing, 9.6 mm pocket depth PCB washing Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. See Doc787 PCB Washing.pdf. Leakage DCR max (Ohms) Turns ratio 2 3 5 3 Part L at 0 A L at Ipk L max Ipk 1 4 6 7 number Power 10% (H) min (H) pri sec bias (H) pri : sec pri : bias (A) Output C1048-AL 13 W 94.0 84.6 0.210 0.01 0.453 3.9 1 : 0.12 1 : 0.47 1.2 5 V, 2 A 1. When ordering, please specify packaging code: 2. Inductance is for the primary, measured at 250 kHz, 0.3 Vrms, 0 Adc. 3. Peak primary current drawn at minimum input voltage. C1048-ALD 4. DCR is for both windings of the secondary connected in parallel. Packaging: D = 13 machine ready reel. EIA-481 embossed plastic 5. Leakage inductance is for the primary winding with the secondary wind- tape (200 per full reel). Quantities less than full reel ings shorted. available: in tape (not machine ready) or with leader 6. Turns ratio is with the secondary windings connected in parallel. and trailer ( 25 charge). 7. Output is with the secondary windings connected in parallel. Output of B = Less than full reel. In an effort to simplify our part the bias winding with a 15 V, 0.2 A. numbering system, Coilcraft is eliminating the need 8. Operating temperature range 40C to +125C. for multiple packaging codes. When ordering, simply 9. Electrical specifications at 25C. change the last letter of your part number from B to D. Refer to Doc 362 Soldering Surface Mount Components before soldering. Dot indicates pin 1 10 0.07 Recommended 0.028 9 2 1,79 LandPattern 0,72 1 12 1 12 0.098 Primary Secondary C1048-AL 0.098 2,5 0.677 2,5 max 11 4 17,20 XXXXY 12 6 6 7 0.135 0.665 Bias 3,43 16,88 0.865 max 21,97 1 Parts manufactured prior to December 2011 may Secondary windings to be connected in be marked differently. 0.335 parallel on PC board max 8,51 0.004/0,10 0.590 14,98 0.079 0.693 inches Dimensions are in 2,01 17.60 mm Document 452 Revised 07/23/21 US +1-847-639-6400 sales coilcraft.com UK +44-1236-730595 sales coilcraft-europe.com Coilcraft Inc. 2021 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.X-ON Electronics Largest Supplier of Electrical and Electronic Components Click to view similar products for Audio Transformers / Signal Transformers category: Click to view products by Coilcraft manufacturer: Other Similar products are found below : CX2041NLT MGPWT-00449-P PE-64961 H1302FNLT H5008FNL H5012FNL H5020FNLT H5077NLT H5079NLT H5084FNLT B78476A9558A003 1812WBT2-4 1879479-1 HX2260FNL HX5014FNL EX2024FNL FL1066 T1137NLT T3012NL PE-65812FNL PE- 65848FNLT H1174FNL H1302FNL H5015FNL H5019EFNL H5062FNLT CX2047LNL MGPWT-00059-P MGPWT-00266-P MGPWT- 00278-P MGPWT-00431-P TTC-100 TTC-143-H TTC-5032-1 BX1194WNLT HX1234NLT HX5008FNLT HX5019FNL HX5084NL 3- 1879385-5 TX1263NLT 4-1879391-0 T1142NL HX6101FNL HX5084FNL HX1148NL HX5020FNLT HX5014FNLT T1124NL 1879732-1