2776A 参数 Datasheet PDF下载

ISDN MAGNETICS

Single S Interface Transformer

TM99AA

•

Approved for use with Lucent Technologies chip sets for •

S/T interface European ISDN applications

UL, TUV and VDE approved

•

Meets requirements for pulse template and impedance

template according to ITU-T (CCITT I.430)

Minimum interwinding breakdown voltage of 3000 Vrms

•

ELECTRICALS at 25° C

DCR

Ω

max

Part Number

Turns Ratio

± 3&

Primary

Inductance*

mH min

Leakage

Inductance

µ

H max

Pri

Interwinding

Capacitance

pF max

Sec

Distributed

Capacitance

pF max

2776A

1 : 2.5

22.0

5.0

1.55

8.75

100

100

* Measured at 1 kHz, 0.1 Vac

SCHEMATIC

Compatible Transceiver ICs

Part Number

IC Mfr

IC Part Number

T7250C

T7256

T7234

1

8

3

CT

2

6

4

Primary

Secondary

2776A

Lucent

©1999 Bel Fuse Inc. Specifications subject to change without notice.

Bel Fuse Inc.

198 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com