SM75719 - T1/CEPT/ISDN-PRI Transformer

Features

■

Compact surface mount packaging

■

1500 VAC HIPOT

■

Dual transformer for transmit and receive

■

Lead free version available (see How to

Order)

■

Lead free versions are RoHS compliant*

Applications

■

Telecom

Product Dimensions

Electrical Schematic

SM75719

DATECODE

10.16

(.400)

12

1

MAX.

8.63

(.340)

MAX.

2.54

(.100)

10 PLCS.

17.14

(.675)

MAX.

15.24

(.600)

.254 - .508

(.010 - .020)

MAX.

DIMENSIONS ARE:

MM

(INCHES)

TOLERANCE: ±

0.254

(.010)

1

3

12

10

4

6

9

8

11

7

NOTE: DIMENSIONS ARE EXCLUSIVE OF SOLDER

Electrical Specifications @ 25 °C

Turns Ratio ±2 %

(1-3):(12-10) ................................2CT:1

Turns Ratio ±2 %

(11-12):(1-3) ..............................0.395:1

Turns Ratio ±2 %

(9-7):(4-6) ....................................2CT:1

Turns Ratio ±2 %

(9-8):(4-6) ....................................1.58:1

Polarity (Same Phase) ..1,12 & 11; 4,9 & 8

OCL (10-12)

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

OCL (9-7)

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

Le (10-12)

µH max. @ 100 kHz, 0.02 V

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

Le (9-7)

µH max. @ 100 kHz, 0.02 V

short (4-6) ........................................0.8

Cww (1-3) to (12-10)

pF max. @ 100 kHz, 0.02 V ..............40

Cww (4-6) to (9-7)

pF max. @ 100 kHz, 0.02 V ..............40

DCR (10-12) (Ω max.) ........................0.80

DCR (9-7) (Ω max.) ............................0.80

DCR (1-3) (Ω max.) ............................1.30

DCR (4-6) (Ω max.) ............................0.60

HIPOT Between Pri. and Sec. Windings

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

Return Loss

dB typ. @ 100 KHz - 3.2 MHz ..........20

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

Packaging Specifications

Tape & Reel* ........................900 pcs./reel

*“E” suffix at end of part number

designates tape & reel packaging, e.g.

SM75719E.

12 PLCS.

1.01 - 1.27

(.040 - .050)

SM75719

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

SM75719E __

Model

Termination

Blank = Tin-lead

L = Tin only (lead free)