SM75176 - T1/CEPT/ISDN-PRI Transformer

Features

■

VALOR ST5116 equivalent

■

Surface mount, dual transformer for

transmit and receive

■

1500 VAC HIPOT

■

Lead free version available (see How to

Order)

■

Lead free versions are RoHS compliant*

Applications

■

Telecom

Product Dimensions

Electrical Schematic

SM75176

(DATECODE)

12.0

(.472)

8.76 - 9.52

(.345 - .375)

0.46 ± 0.50

(.018 ± 0.02)

1.27

(.050)

TYP.

7.0

(.276)

16

9

18

6.65

(.262)

MAX.

MAX.

1.01

(0.040)

1

3

16

14

6

8

11

10

15

2

CORE A

CORE B

7

9

DIMENSIONS ARE:

MM

(INCHES)

TOLERANCE: ±

0.25

(.010)

Electrical Specifications @ 25 °C

Turns Ratio ±5 %

(1-2):(2-3):(16-15):(15-14)......1:1:1:0.26

Turns Ratio ±5 %

(6-7):(11-10):(10-9):(7-8)........1:1:1:0.26

Polarity ..................................1,6,11 & 16

OCL (16-14)

mH min. @ 10 kHz, 0.01 V ..............1.5

OCL (6-8)

mH min. @ 10 kHz, 0.01 V ..............1.5

Le (16-14)

µH max. @ 100 kHz,

short (1-2-3) ....................................0.5

Le (6-8)

µH max. @ 100 kHz,

short (9-10-11) ................................0.5

Cww (16-15-14) to (1-2-3)

pF max. @ 100 kHz ..........................40

Cww (6-7-8) to (9-10-11)

pF max. @ 100 kHz ..........................40

DCR (1-3) (Ω max.) ..............................1.1

DCR (11-9) (Ω max.) ............................1.1

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

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

HIPOT Between Pri. and Sec. Windings

(VAC) ............................................1500

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

Packaging Specifications

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

*“E” suffix at end of part number

designates tape & reel packaging, e.g.

SM75176E.

SM75176

YYWW

*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.

03/05

How to Order

SM75176E __

Model

Termination

Blank = Tin-lead

L = Tin only (lead free)