PM-MC108 datasheet(3/9 Pages) PMI

Part #	PM-MC108

Description	FCC PART68 VOICE/DATA COUPLING TRANSFORMERS

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Manufacturer	PMI [Premier Magnetics, Inc.]

Direct Link	http://www.premiermag.com

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20381 BARENTS SEA CIRCLE, LAKE FOREST, CA 92630

• TEL: (949) 452-0511 • FAX: (949) 452-0512 • http://www.premiermag.com

Specifications subject to change without notice.

3

pmmc 11/04

0.70

(.028)

2.0

(.079)

TYP

6.00

(.236)

9.2

(.362)

11.0

(.433)

12.0 (.472)

12.4 (.488)

6.30

(.248)

MAX

12.0

(.473)

MAX

4.5

(.18)

6.0

(.24)

1

2

3

4

8

7

6

5

CORE

TAPED -or- CLAMPED

PIN#1 DOT

FEATURES:

Designed to meet FCC Part 68

Designed for V.29, V.32, V.32 bis & V.fast apps.

Low Profile SMD & Through Hole Packages

1250 & 1500Vrms Isolation Voltage

PACKAGE ER11-SMD

SCHEMATIC ER11-SMD

ELECTRICAL SPECIFICATIONS AT 25OC - OPERATING TEMPERATURE RANGE 0OC TO 70OC

GENERAL SPECIFICATIONS:

Longitudinal Balance:

60 to 1000 Hz ..................... 60 dB Typ.

1000 to 4000 Hz ...................... 40 dB Typ.

MC26/27 200 to 4000 Hz ............60 dB Typ.

Turns Ratio (Pri:Sec) .................... 1:1 + 2%

PART

NUMBER

Package/

Schematic

Primary

DC Current

(mA Max)

DCR

(

Ω

Ω MAX)

Pri

Sec

PM-MC21 ER11-SMD

0

67

85

487

1.50

0.5

15.0

0.50

1500

PM-MC26* EP7-THRU

0

68

85

475

1.25

0.5

26.0

0.25

1250

PM-MC27* EP7-SMD

0

68

85

475

1.25

0.5

26.0

0.25

1250

Pri = 600

Ω

with Load

of (

Ω

Ω)

Ins. Loss

@ 1KHz

(dB Max.)

Harm Dist

@ 300Hz

(% Typ.)

Ret Loss

@ 1000Hz

(dB Min.)

Frequency Response

(+dB)

300-600Hz 600-3500

SCHEMATIC DIAGRAM

PHYSICAL DIMENSIONS .... DIMENSIONS IN mm (inches)

HI-POT

Vrms

8

2

3

5

PRI

SEC

RECOMMENDED PCB LAYOUT

8x0.8 (.031)

3x2.0 (.079)

8x0.6 (.024)

11.0 (.433)

18

45

FCC PART68 VOICE/DATA COUPLING

TRANSFORMERS

NOTE: * PRIMARY INDUCTANCE = 700mH MINIMUM

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