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X8505-A

Coilcraft
Part Number X8505-A
Manufacturer Coilcraft
Description xDSL Interface Transformers
Published Mar 4, 2018
Detailed Description Document 231 xDSL Interface Transformers For LT1794, LT1795 and LT1886 This product is not RoHS-compliant. Contact Co...
Datasheet PDF File X8505-A PDF File

X8505-A
X8505-A

Overview
Document 231 xDSL Interface Transformers For LT1794, LT1795 and LT1886 This product is not RoHS-compliant.
Contact Coilcraft for current status or possible alternatives.
These transformers provide coupling and line isolation for xDSL interfaces using the Linear Technology LT1794, LT1795 and LT1886 amplifiers.
They feature very low leakage inductance, stable primary inductance from -40°C to +85°C and longitudinal balance optimized for the best overall performance at ADSL and HDSL2 transmission speeds.
In addition to the standard models shown, Coilcraft can provide custom transformers with other turn ratios.
For free evaluation samples or to discuss custom designs, contact Coilcraft or visit www.
coilcraft.
com.
Tape and reel  175 per 13″ reel  Plastic tape: 32 mm wide, 0.
5 mm thick, 28 mm pocket spacing, 12.
93 mm pocket depth Part number Style Chip set X8390-A X8502-A X8505-A X8504-A SMT SMT SMT SMT LT1794, LT1886 LT1794, LT1886 LT1886 LT1795 Line side inductance (mH) 0.
368 ±5% 0.
368 ±5% 0.
368 ±5% 0.
368 ±5% Leakage inductance DCR max (Ohms) (µH) max Chip side Line side 11 0.
841 (6-9, 7-10) 1.
95 (4-2) 11 0.
895 (6-9, 7-10) 1.
70 (4-2) 11 0.
750 (6-9, 7-10) 1.
85 (4-2) 11 0.
875 (6-9, 7-10) 1.
75 (4-2) Part number X8390-A X8502-A X8505-A X8504-A Dielectric strength   Turns ratio1 (V) line : chip Longitudinal balance (dB) min 1500 1500 1500 1500 1  : 1 45 (20 kHz - 1.
1 MHz) 1  : 1.
2 42 (20 kHz - 1.
1 MHz) 1  : 1.
5 42 (20 kHz - 1.
1 MHz) 1  : 1.
4 42 (20 kHz - 1.
1 MHz) Designed to meet UL 1459, 1950 UL 1459, 1950 UL 1459, 1950 UL 1459, 1950 Dot above pin1 1.
Turns ratio is with the chip side windings connected in series.
2.
All electrical specifications referenced to line side.
3.
Operating temperature range -40°C to +85°C.
C 4.
Electrical specifications at 25°C.
Line side 4 2 Chip side 6 9 7 Recommended Land Pattern 1 5 F A G 1 E B 6 10 10 Chip side windings to be connected in series on the PC board A max B...


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