Datasheet > H28161-A

H28161-A

更新时间： 2022-12-18 02:09:52

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线艺 - COILCRAFT		/
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HDSL2 Transformers

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H28161-A 数据手册

Document 202-1

HDSL2Transformers

This product is not RoHS-compliant. Contact Coilcraft

for current status or possible alternatives.

This family of transformers provides optimum perfor-

mance with the Level One SK70740/-41/-42 and other

HDSL2 transceiver chip sets. The series now includes

parts with a 1 CT to 2.3 CTS turns ratio, allowing them to

work with line drivers for lower power supply voltages.

They’re engineered for minimum DC resistance and

very low leakage inductance. Primary inductance with

and without DC bias is stable from -40°C to +85°C.

The return loss, longitudinal balance and THD are

optimized for the best overall performance at the

HDSL2 transmission speed.

For free evaluation samples or to discuss custom de-

signs, please contact Coilcraft.

Data

rate

(kb/s)

Turns

ratio

chip:line

Primary

Leakage

DCR max (Ohms)

Chip side Line side

Part

number

inductance inductance Capacitance

Style

±±15 (mꢀ)

max (µꢀ)

max (pF)

H28161-A Leaded 1500

H28159-A Leaded 1500

1 CT:2.3 CTS

1 CT:2 CTS

2.0

1.5 (9-7) 1.5 (1-4), 1.5 (2-5)

2.0 (8-6) 2.0 (1-2), 2.0 (3-4)

1.5 (9-7) 1.5 (1-4), 1.5 (2-5)

2.0 (8-6) 2.0 (1-2), 2.0 (3-4)

H28160-A

SMT

1500

H27649-B Leaded 1500

H27650-A Leaded 1500

H27695-A

H28223-B Leaded 1500

H28224-B

SMT

1500

1 CT:2 CTS

1 CT:2.3 CTS

2.0

2.0 (8-6) 2.0 (1-2), 2.0 (3-4)

1.85 (10-7) 2.1 (1-4), 2.1 (2-5)

SMT

1500

DC bias

capacity

(mA)

Dielectric

strength

(V)

Longitudinal

Return loss

Part

number

balance

TꢀD

typ (dB)

min (dB)

typ (dB)

H28161-A

H28159-A

H28160-A

H27649-B

H27650-A

100

2300

3000

2300

3000

13 @ 40 kHz

14 @ 40 kHz

13 @ 320 kHz

12 @ 320 kHz

15 @ 320 kHz

13 @ 320 kHz

65 @ 40 kHz

-85 @ 20 kHz

H27695-A

H28223-B

H28224-B

100

3000

2300

14 @ 40 kHz

13 @ 40 kHz

13 @ 320 kHz

65 @ 40 kHz

-85 @ 20 kHz

1. All electrical specifications referenced to line side.

2. Operating temperature range -40°C to +85°C.

3. Electrical specifications at 25°C.

Specifications subject to change without notice.

Please check our website for latest information. Document 202-1 Revised 02/11/08

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