SM74139E

更新时间： 2024-02-11 09:59:06

品牌	Logo	应用领域
伯恩斯 - BOURNS		变压器综合业务数字网
页数	文件大小	规格书
1页	176K
描述
T1/CEPT/ISDN-PRI Dual Transformer

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技术参数
数据手册

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SM74139E 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
包装说明：	ROHS COMPLIANT	Reach Compliance Code：	compliant
ECCN代码：	EAR99	风险等级：	5.84
Is Samacsys：	N	其他特性：	HEIGHT DIM INCLUDE TERMINAL ALSO, TURNS RATIO: 1CT:1.15CT
高度：	6.22 mm	JESD-609代码：	e3
长度：	12.82 mm	安装特点：	SURFACE MOUNT
最高工作温度：	70 °C	最低工作温度：
包装方法：	TAPE & REEL	物理尺寸：	L12.82XB7.11XH6.22 (mm)
表面贴装：	YES	端子面层：	Tin (Sn)
变压器类型：	TELECOM TRANSFORMER	宽度：	7.11 mm
Base Number Matches：	1

SM74139E 数据手册

Features

■ Surface mount

Applications

■ Telecom

■ Dual transformer for transmit and receive

■ 1500 VAC HIPOT

SM74139

YYWW

■ Lead free version available (see How to

Order)

■ Lead free versions are RoHS compliant*

SM74139 - T1/CEPT/ISDN-PRI Dual Transformer

Electrical Specifications @ 25 °C

Product Dimensions

Electrical Schematic

Primary Pins

12.82

MAX.

(.505)

CORE A

Core A ............................................1-3

Core B ............................................6-8

Ratio (±± ꢀ%

Core A & B ......................1CT : 1.15CT

OCL (mH% min.

Core A & B ......................................1.±

Leakage Inductance (µH% max.

Core A & B ....................................0.60

Cww (pF% max.

Core A & B........................................30

DCR of primary (Ω% max.

7.11

(.280)

9.52

(.375)

MAX.

TYP.

MAX.

SM74139

(DATECODE%

1.27

(.050)

.457 ± .05

(.018 ± .002)

Core A & B ....................................0.70

DCR of secondary (Ω% max.

Core A & B ....................................0.75

Operating Temperature (°C% ........0 to +70

CORE B

1.01

(.040)

*CT : center tap

6.22

MAX.

(.245)

Packaging Specifications

Tape & Reel* ........................700 pcs./reel

*“E” suffix at end of part number

designates tape & reel packaging, e.g.

SM74139E.

(INCHES)

DIMENSIONS ARE:

TOLERANCE:

How to Order

0.254

(.010)

SM74139E __

Model

Termination

Blank = Tin-lead

L = Tin only (lead free%

03/05

*RoHS Directive 2002/95/EC Jan 27 2003 including Annex

Specifications are subject to change without notice.

Customers should verify actual device performance in their specific applications.

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