Datasheet > TLA4891-2

TLA4891-2

更新时间： 2025-09-05 03:27:27

品牌	Logo	应用领域
FILTRAN		变压器
页数	文件大小	规格书
1页	44K
描述
Audio Line Matching Transformer

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中文翻译

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数据手册

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TLA4891-2 数据手册

Audio

Line Matching Transformer

TLA4891

TLA4891 series transformers are

Applications:

designed to interface telecommu-

nications equipment to a tele-

phone line, capable of handling

unbalanced DC.

•

Low profile.

Up to 90 mA unbalanced line

current.

•

Exceeds the requirements of

FCC Part 68 and CS 03.

MECHANICAL

Pri.

Sec.

TLA4891-1

Pri 2

5 Sec.

TLA4891-2

DIMENSIONS, Inches (mm)

P/N

S (DIA)

Pri.

Sec.

TLA4891

1.25

0.81

0.50

0.95

0.20

0.027

(0.68)

(31.8) (20.4) (12.7) (24.13) (5.08) (5.08)

TLA4891-3

ELECTRICAL

TLA4891-1

TLA4891-2

TLA4891-3

Line Impedance

Pri.

Sec.

600 Ω

600 Ω c.t.

600 Ω c.t

600 Ω

150/150 Ω

Turns Ratio

Pri. : Sec.

1 : 1

Winding Resistance, Ohms nom.

Pri.

Sec.

100

50 +50

Insertion Loss

@ 1000 Hz

300 - 3500 Hz

1.7 dB

- 2.5 dB

65 dB

1.7 dB

- 2.5 dB

65 dB

1.7 dB

- 2.5 dB

65 dB

Frequency Response

Longitudinal Balance

Return Loss

> 14.5 dB

90 mA

> 14.5 dB

90 mA

> 14.5 dB

90 mA

DC Capability

Dielectric Strength

1500 Vrms

Filtran Limited

229 Colonnade Road, Nepean, Ontario, Canada. K2E 3K7

Tel : (613) 226-1626 Fax : (613) 226-7124

8-8

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