© Coilcraft, Inc. 2007
Specifications subject to change without notice.
Please check our website for latest information.
VDSL Transformers
Document 394 -1
Document 394-1
Revised 06/25/04
For Ikanos
SmartLeap
These surface mount transformers are designed spe-
cifically for use with the Ikanos SmartLeap chipset
series for high-speed telecom applications.
They are available in 6-pin and 8-pin versions for both ANSI
and ETSI standards. They all feature 60 dB minimum
longitudinal balance,
−75 dB maximum harmonic distor-
tion and 1500 V winding-to-winding isolation.
Coilcraft can also custom engineer transformers to meet
your specific requirements. For free evaluation samples,
contact Coilcraft or visit www.coilcraft.com.
Leakage
Turns
Stray
Part
Number
Inductance1
DCR max (Ohms)
inductance2
ratio
Capacitance3 capacitance4
number
Standard
of pins
±10% (µH)
pri
sec
max (µH)
line : chip
max (pF)
max (pF)
B0233-A
ANSI
6
200
1.00
0.184
1.00
3 : 1
10.0
25.0
C0971-A
ANSI
8
200
0.913
0.154
0.70
3 : 1
25.0
25.0
B0709-B
ETSI
6
200
0.913
0.113
0.70
7 : 2
25.0
15.0
B0749-B
ETSI
8
200
0.913
0.113
0.70
7 : 2
25.0
15.0
1. Inductance measured at 100 kHz, 0.1 Vrms, 0 Adc.
2. Leakage inductance tested across the primary with the secondary shorted.
3. Capacitance tested between windings with 0.1 Vrms applied at 80 KHz.
4. Stray capacitance tested across the primary with 0.1 Vrms applied at 2.5 MHz.
5. Operating temperature range
−40°C to +85°C.
6. Electrical specifications at 25°C
4
3
6
Line
side
Chip
side
Line
side
Chip
side
2
3
6
1
7
C0971-A, B0749-B
B0233-A, B0709-B
Schematics
This product is not RoHS-compliant. Contact Coilcraft
for current status or possible alternatives.
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