S553-3855-02

更新时间： 2024-01-25 15:17:48

品牌	Logo	应用领域
BEL		变压器电信变压器综合业务数字网
页数	文件大小	规格书
1页	56K
描述
T1/CEPT/ISDN-PRI TRANSFORMER

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技术参数
数据手册

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S553-3855-02 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Active	Reach Compliance Code：	not_compliant
ECCN代码：	EAR99	风险等级：	5.75
Is Samacsys：	N	其他特性：	TURNS RATIO: 1.15CT; 1CT:2CT
高度：	5.34 mm	长度：	12.7 mm
安装特点：	SURFACE MOUNT	物理尺寸：	L12.7XB7.24XH5.34 (mm)
表面贴装：	YES	变压器类型：	TELECOM TRANSFORMER
宽度：	7.24 mm	Base Number Matches：	1

S553-3855-02 数据手册

defining a degree of excellence

T1/CEPT/ISDN-PRITRANSFORMER

S553-3855-02

TM0009

Bel introduces a new “pick and place” compatible,

small footprint, surface mount impedance

matching transformer for ISDN-PRI/T1/CEPT

applications.

* Pick and Place Compatible.

* Small form factor to maximize

board space.

MECHANICALS

SCHEMATIC

0.375(9.53)Max

0.350(8.89)Min

DateCode

bel

0.285(7.24)

Max

Primary

Secondary

S553-3855-02

Top View

0.018(0.46)

+/- 0.002"

0.50(12.70)Max

0.225(5.72)

Secondary

Primary

Max

0.35(8.89)

0.015(0.38)MAX

0.004(0.10)MIN

Dimensions in inches (mm)

Dimension tolerance +/- 0.01(0.25)

unless otherwise stated

4^O

Nom

0.025(0.64)Max

0.015(0.38)Min

0.012(0.30)Max

0.008(0.20)Min

ELECTRICALS @ 25^oC

Leakage

Inductance

L_L(mH) Max

DC Resistance

Interwinding

Capacitance

C_ww

Primary

Hipot

(Vrms)

Min

DCR Sec

Turns Ratio

Part

Resistance

DCR Pri

(ohm) Max

Inductance

OCL (mH)

Min

(ohm) Max

Number

Pins

(pF) Max

(16-14):(1-3) (6-8):(11-9)

(16-14)* (6-8)**

(1-3)

(11-9)

S553-3855-02

1:1.15CT 1CT:2CT

1.20

0.6

0.8

0.70

1500

1.00

0.70

* Leakage Inductance is measured with Pins (1-3) shorted.

** Leakage Inductance is measured with Pins (11-9) shorted.

Corporate Office

Bel Fuse Inc.

Far East Office

Bel Fuse Ltd.

European Office

Bel Fuse Europe Ltd.

198 Van Vorst Street, Jersey City, NJ 07302-4496

Tel: 201-432-0463

Fax: 201-432-9542

E-Mail: BelFuse@belfuse.com

Internet: http://www.belfuse.com

8F/8 Luk Hop Street

San Po Kong

Kowloon, Hong Kong

Tel: 852-2328-5515

Fax: 852-2352-3706

Preston Technology Management Centre

Marsh Lane, Preston PR1 8UD

Lancashire, U.K.

Tel: 44-1772-556601

Fax: 44-1772-888366

T109

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