SM74346E

更新时间： 2024-02-15 14:55:33

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	237K
描述
T1/CEPT/ISDN Transformer

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技术参数
数据手册

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SM74346E 技术参数

生命周期：	Obsolete	Reach Compliance Code：	unknown
ECCN代码：	EAR99	风险等级：	5.84
其他特性：	TURNS RATIO: 1CT:2CT	高度：	6.22 mm
长度：	12.83 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：	L12.83XB7.1XH6.22 (mm)
表面贴装：	YES	变压器类型：	TELECOM TRANSFORMER
宽度：	7.1 mm	Base Number Matches：	1

SM74346E 数据手册

Features

■ Low height of 6.22 mm

■ HIPOT of 1500 VAC

Applications

■ Telecom

SM74346

YYWW

■ Dual transformer for transmit and receive

■ Lead free version available (see How to

Order)

■ Lead free versions are RoHS compliant*

SM74346E - T1/CEPT/ISDN Transformer

Electrical Specifications @ 25 °C

Product Dimensions

Electrical Schematic

OCL (16-14)

mH min. @ 10 kHz, 0.1 V ................1.2

OCL (6-8)

12.83

MAX.

(.505)

mH min. @ 10 kHz, 0.1 V................1.2

L (16-14)

9.58

(.375)

7.10

(.280)

MAX.

SM74346

µH max. @ 100 kHz, 0.1 V,

(DATE)

short (1-3) ........................................0.6

L (6-8)

µH max. @ 100 kHz, 0.1 V,

short (11-9) ......................................0.6

Cww (16-1)

1.27

(.050)

8.90

(.350)

pF max. @ 100 kHz, 0.1 V ................30

Cww (6-11)

pF max. @ 100 kHz, 0.1 V ................30

DCR (16-14) ohm max.........................0.7

DCR (6-8) ohm max.............................0.7

DCR (1-3) ohm max.............................1.4

DCR (11-9) ohm max...........................1.4

Turns Ratio

6.22

(.245)

MAX.

How to Order

0.10

(.004)

0.46 ± 0.05

(.018 ± .002)

16 PLCS.

SM74346E __

16 SURFACES

Model

(16-14) : (1-3) ..............1CT : 2CT ±± ꢀ

(6-8) : (11-19) ..............1CT : 2CT ±± ꢀ

Polarity (1, 16, 6, 11) ............Same phase

HIPOT

Termination

Blank = Tin-lead

L = Tin only (lead free)

0.25

(.010)

0 ° - 8 °

Between Windings................1±00 VAC

Between Transformers..........1±00 VAC

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

*CT : center tap

8.89

(.350)

1.91

(.075)

Packaging Specifications

1.27

(.050)

8.83

(.328)

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

0.74 ± 0.03

(.029 ± .001)

16X

Recommended PAD layout

(INCHES)

DIMENSIONS ARE:

0.254

(.010)

TOLERANCE:

02/06

*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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