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DA2420 Datasheet(PDF) 1 Page - Coilcraft lnc. |
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DA2420 Datasheet(HTML) 1 Page - Coilcraft lnc. |
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1 / 1 page US UK Taiwan China Singapore +1-847-639-6400 sales@coilcraft.com +44-1236-730595 sales@coilcraft-europe.com +886-2-2264 3646 sales@coilcraft.com.tw +86-21-6218 8074 sales@coilcraft.com.cn + 65-6484 8412 sales@coilcraft.com.sg © Coilcraft Inc. 2013 This product may not be used in medical or high risk applications without prior Coilcraft approval. Specification subject to change without notice. Please check web site for latest information. PoE Transformers Document 544 Document 544 Revised 12/14/11 For ST Microelectronics STE12PS PSE Power Controller 1. When ordering, please specify a packaging code: DA2420-ALD Packaging: D = 13 ″ machine ready reel. EIA-481 embossed plastic tape (175 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. These surface mount flyback transformers were devel- oped specifically for the ST Microelectronics STE12PS 12-Channel PSE Power Control Device. They are designed to work with a 3.3 V input to provide a 12 V output. Isolation is 500 Vdc from each primary wind- ing to the secondary winding. Coilcraft can also design custom transformers with volt- age, inductance and DCR values to meet your specific requirements. For free evaluation samples, contact Coilcraft or order them on-line at www.coilcraft.com. 2. Inductance is for the primary, measured at 100 kHz, 0.1 Vrms, 0 Adc. 3. Ipk is the peak current drawn at minimum input voltage. 4. Leakage inductance measured on the primary windings with all second- ary pins shorted. 5. Turns ratio is with the primary windings connected in parallel. 6. Operating temperature range –40°C to +125°C. 7. Electrical specifications at 25°C. Refer to Doc 362 “Soldering Surface Mount Components” before soldering. Weight 14.1 – 14.6 g Terminations Tin-silver over tin over nickel over phos bronze Tape and reel 175 per 13 ″ reel Plastic tape: 44 mm wide, 0.4 mm thick, 32 mm pocket spacing, 11.p mm pocket depth Part L at 0 A2 L at Ipk3 DCR max (Ohms) Leakage L Turns ratio5 Ipk3 number1 ±10% (µH) min (µH) 1-5 2-6 12-7 max (µH)4 pri : sec (A) Output DA2420-AL_ 330 297 0.756 0.886 5.920 6.00 1 : 2 2.0 12 V, 100 mA DA2421-AL_ 330 297 0.803 0.984 14.145 4.83 1 : 3 2.0 12 V, 100 mA 12 7 Sec 1 2 5 6 Pri 0.130 3,30 0.050 1,27 1 0.450 11,43 0.080 2,03 1.181 30,00 0.827 21,00 0.810 20,57 0.969 24,60 0.930 23,62 0.028 0,711 0.118 3,0 0.118 3,00 max Dot indicates pin 1 max max 1 12 6 7 Recommended Land Pattern 0.004 /0,10 DA242 -AL x XXXX Y Primary windings to be connected in parallel on the PC board. |
Similar Part No. - DA2420_13 |
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