? coilcraft, inc. 2006 specifications subject to change without notice. please check our website for latest information. adsl transformers document 443 document 443 revised 03/23/06 leakage interwinding part adsl inductance 1 dcr max inductance 2 capacitance 3 turns ratio thd 4 number annex 5% (h) (ohms) max (h) (pf) chip tx : chip rx chip tx : line typ (db) b0726-e a 400 0.815 (1 ? 3) (2 ? 4) 18.0 22.0 1 : 4.25 1 : 4.25 -95.0 0.232 (5 ? 7) (6 ? 8) 0.831(16 ? 11) (14 ? 9) C1350-A b 100 0.815 (1 ? 3) (2 ? 4) 18.0 22.0 1 : 4.25 1 : 4.25 -93.0 0.232 (5 ? 7) (6 ? 8) 0.831 (16 ? 11) (14 ? 9) for broadcom adsl cpe modem chipsets 0.550 13,97 0.650 16,51 0.590 14,99 0.020 0,51 max max 8 1 9 16 0.500 12,70 max 0.004 / 0,10 0.067 1,70 0.067 1,70 0.201 5,10 0.039 1,00 0.670 17,02 recommended land pattern 1 0.099 2,51 14 9 5 7 line side 1 3 2 4 chip transmit chip receive 6 8 11 16 1. inductance measured at 10 khz, 0.1 vrms, 0 adc between pins 9 and 16 with pins 11 and 14 connected. 2. leakage inductance measured at 100 khz, 0.1 vrms between pins 9 and 16 with all other pins shorted. 3. capacitance tested between pins 1 and 16 with all other pins shorted. 4. total harmonic distortion measured at 30 khz. 5. operating temperature range ? 40c to +85c. 6. electrical specifications at 25c the b0726-e and C1350-A adsl transformers have been approved by broadcom for use with their bcm6335, bcm6338, bcm6345, and bcm6348 adsl cpe mo- dem chipsets and their bcm6301 5-volt line driver. these transformers feature split windings for chip re- ceive, chip transmit and line side. they offer 1875 vrms isolation, 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 . terminations: nickel/gold over phos bronze tape and reel: 200/13 reel 44 mm tape width for packaging data see tape and reel specifications section.
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