PT74344 데이터 시트보기 (PDF) - Bourns, Inc

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PT74344

T1/CEPT/ISDN-PRI Transformer

Bourns, Inc 

*RoHS VCEOARMVSAPIOILLINAASBNLTE

Features

■ Compact surface mount packaging

■ Contains both transmit and receive

transformer in a single package

■ Isolation voltage: 1500 Vrms

■ Lead free version available (see How to

Order)

■ Lead free versions are RoHS compliant*

Applications

■ Telecom

PT74344 - T1/CEPT/ISDN-PRI Transformer

Electrical Specifications @ 25 °C

Turns Ratio ±5 %

............................1:1.15CT & 1CT:2CT

Primary Inductance (mH min.)

..........................................1.20 & 1.20

Primary Leakage Inductance (µH max.)

..........................................0.60 & 0.60

Cww (pF max.) ............................30 & 30

Pri DCR (Ω max.) ....................0.70 & 0.70

Sec DCR (Ω max.) ..................0.70 & 1.00

Primary Pins ............................16-14, 6-8

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

*CT : center tap

Packaging Specifications

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

*“E” suffix in part number designates

tape & reel packaging, e.g. PT74344E.

Product Dimensions

PT74344

(DATE)

6.22

(.245)

MAX.

1.27

(.050)

0.46

(.018)

TYP.

12.83

(.505)

MAX.

8.89

(.350)

7.1

(.280)

MAX.

0.38

(.015)

TYP.

1.02

(.040)

TYP.

Coplanarity:

.102

(.004)

9.15 ± 0.25

(.360 ± .010)

8.89

(.350)

1.91

(.075)

1.27

(.050)

8.38

(.330)

16X (0.0.7218)TYP.

Recommended PAD layout

Electrical Schematic

1

16

2

3

14

6

11

7

10

8

9

How to Order

Model

Termination

Blank = Tin-lead

L = Tin only (lead free)

PT74344E __

DIMENSIONS ARE:

MM

(INCHES)

TOLERANCE: ± 0.25

(.010)

NOTE: DIMENSIONS ARE EXCLUSIVE OF SOLDER

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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