SM74120E

更新时间： 2024-02-09 05:10:32

品牌	Logo	应用领域
伯恩斯 - BOURNS		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	176K
描述
T1/CEPT/ISDN-PRI Transformer

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技术参数
数据手册

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SM74120E 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	Factory Lead Time：	25 weeks 5 days
风险等级：	5.82	Is Samacsys：	N
其他特性：	HEIGHT DIMENSION INCLUDE TERMINAL ALSO, TURNS RATIO: 1:1; 1:1.26; 1CT:2CT	高度：	6.22 mm
JESD-609代码：	e3	长度：	12 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：	L12.0XB7.0XH6.22 (mm)	表面贴装：	YES
端子面层：	Tin (Sn)	变压器类型：	TELECOM TRANSFORMER
宽度：	7 mm	Base Number Matches：	1

SM74120E 数据手册

Features

Applications

■ Telecom

■ Dual SMD package with transmit and

receive transformer

SM74120

YYWW

■ Low height of only 6.2 mm

■ Lead free version available (see How to

Order)

■ Lead free versions are RoHS compliant*

SM74120 - T1/CEPT/ISDN-PRI Transformer

Electrical Specifications @ 25 °C

Product Dimensions

Electrical Schematic

Primary Pins

12.0

(.472)

MAX.

CORE A

Core A ........................................16-14

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

Ratio (±± ꢀ%

Core A ..............................1:1 & 1:1.±6

Core B ....................................1CT:±CT

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.

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

DCR of secondary (Ω% max.

7.0

(.276)

MAX.

8.76 - 9.52

(.345 - .375)

SM74120

XXYY

1.27

(.050)

TYP.

0.46 ± .51

(.018 ± 0.02)

CORE B

Core A............................................0.80

Core B............................................1.00

HIPOT (VAC% ....................................1500

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

*CT : center tap

6.22

(0.245)

MAX.

1.02

(0.040)

Packaging Specifications

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

*“E” suffix at end of part number

designates tape & reel packaging, e.g.

SM741±0E.

How to Order

(INCHES)

DIMENSIONS ARE:

TOLERANCE:

SM74120E __

Model

Termination

Blank = Tin-lead

L = Tin only (lead free%

0.254

(.010)

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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