Document 443 ADSL Transformers The B0726-E and C1350-A ADSL transformers have been approved by Broadcom for use with their BCM6335, BCM6338, BCM6345, and BCM6348 ADSL CPE Modem chipsets and their BCM6301 5-Volt Line Driver. These transformers feature split windings for chip receive, chip transmit and line side. They offer 1875 Vrms isolation, Part ADSL Inductance2 DCR max number1 Annex ±5% (µH) (Ohms) For Broadcom ADSL CPE Modem chipsets low DC resistance, low leakage inductance and excellent total harmonic distortion. Their compact design makes them suitable for high density applications. Coilcraft can also custom design transformers to meet your specific requirements. For free evaluation samples, contact Coilcraft or visit www.coilcraft.com. LeakageInterwinding inductance3 capacitance4 Turns ratioTHD5 chip tx : chip rx chip tx : line typ (dB) max (µH) (pF) B0726-EL_ A 400 0.815 (1 – 3) (2 – 4) 0.232 (5 – 7) (6 – 8) 0.831(16 – 11) (14 – 9) 18.0 22.0 1 : 4.25 1 : 4.25 –95.0 C1350-AL_ B 100 18.0 22.0 1 : 4.25 1 : 4.25 –93.0 0.815 (1 – 3) (2 – 4) 0.232 (5 – 7) (6 – 8) 0.831 (16 – 11) (14 – 9) 1. When ordering, please specify a packaging code: C1350-ALD 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 measured at 10 kHz, 0.1 Vrms, 0 Adc between pins 9 and 16 with pins 11 and 14 connected. 3. Leakage inductance measured at 100 kHz, 0.1 Vrms between pins 9 and 16 with all other pins shorted. 4. Capacitance tested between pins 1 and 16 with all other pins shorted. 5. Total harmonic distortion measured at 30 kHz. 6. Operating temperature range −40°C to +85°C. 7. Electrical specifications at 25°C 0.500 max 12,70 Chip transmit 1 16 0.020 (12×) 0,51 0.550 max 13,97 8 Dimensions are in 0.067 1,70 0.134 3,40 0.590 14,99 1 Recommended Land Pattern 0.004 / 0,10 0.650max 16,51 Chip receive 0.201 5,10 9 inches mm 0.039 1,00 0.134 3,40 0.099 2,51 0.099 2,51 0.067 1,70 5 9 7 6 14 8 1 16 11 Line side 3 2 4 0.670 17,02 Weight 6.1 – 6.3 g Terminations Tin-silver over tin over nickel over phos bronze Tape and reel 200/13″ reel Plastic tape: 32 mm wide, 0.5 mm thick, 20 mm pocket spacing, 13.05 mm pocket depth PCB washing Tested with pure water or alcohol only. For other solvents, see Doc787_PCB_Washing.pdf US +1-847-639-6400 [email protected] UK +44-1236-730595 [email protected] Taiwan +886-2-2264 3646 [email protected] China +86-21-6218 8074 [email protected] Singapore + 65-6484 8412 [email protected] Document 443 Revised 10/08/08 © 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.