B0726_13 Datasheet, PDF (1/1 Pages) Coilcraft lnc. – ADSL Transformers

Document 443
ADSL Transformers ForBroadcomADSL
CPE Modem chipsets
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,
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.

Part
ADSL ^ Inductance²
DCR max
  _number1 _{Annex ±5% (µH)}
(Ohms)
Leakage Interwinding
  _inductance3   _capacitance4
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
C1350-AL_ B
100


0.815 (1 – 3) (2 – 4)
0.232 (5 – 7) (6 – 8)
0.831 (16 – 11) (14 – 9)
18.0
22.0
Turns ratio
chip tx : chip rx  chip tx : line
1 : 4.25
1 : 4.25
1 : 4.25
1 : 4.25
THD⁵
typ (dB)
–95.0
–93.0
1. When ordering, please specify a packaging code:
Packaging:
C1350-ALD
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
12,70
max
1
0.550 _max
13,97
01.66,5501max
0.590
14,99
0.004 / 0,10
16
0.020
0,51
(12
×)
0.134
3,40
0.201
5,10
Recommended
Land Pattern
0.067
1,70
0.039
1,00
1
8
9
Dimensions
are in
inches
mm
0.134 0.099
3,40 2,51
0.099
2,51
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
0.067
1,70
5
Chip 7
transmit ₆
8
1
Chip 3
receive ₂
4
9
14 Line
11 ^side
16
US [phone] [e-mail]
UK [phone] [e-mail]
Taiwan [phone] [e-mail]
China [phone] [e-mail]
Singapore + 65-6484 8412 [e-mail]
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.