B2189T datasheet, PDF - EEWORLD Datasheet

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B2189T: DescriptionTelecom Transformer; Categorytransformer; File Size78KB，1 Pages; ManufacturerPulse Electronics

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B2189T Overview

Telecom Transformer

B2189T Parametric

Parameter Name	Attribute value
Maker	Pulse Electronics
Reach Compliance Code	unknown
ECCN code	EAR99
Is Samacsys	N
Other features	DESIGNED FOR USE WITH CT-L50SC04/CT-L50ST81 CENTILLIUM CHIPSETS, TURNS RATIO: 1.8:1
application	SIGNAL
high	12.32 mm
Insulation voltage	1500 V
length	13.46 mm
Load Resistance	0.9 Ω
Manufacturer's serial number	B2189
Installation features	SURFACE MOUNT
Number of primary windings	2
Number of secondary windings	2
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
method of packing	TRAY
physical size	13.46mm X 13.11mm X 12.32mm
Primary inductance	450 µH
surface mount	YES
Transformer type	TELECOM TRANSFORMER
Turns ratio (Np:Ns)	1.8:1
width	13.11 mm
Base Number Matches	1

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ADSL LINE TRANSFORMERS

For Use With Centillium Chipsets

For use with Centillium's CopperFlite™ CT-L50SC04/CT-L50ST81

and CopperLite™ CT-L21SC08/CT-L41SC04 chipsets

Excellent THD performance

Small footprint

Electrical Specifications @ 25°C — Operating Temperature -40°C to +85°C

Part

Number

B2178

B2189

Mounting

SMT

Matched to

Chipset Number

CT-L21SC08/CT-L41SC04

CT-L50SC04/CT-L50ST81

Application

CO

CO/CPE

Turns Ratio

(± 2%)

(line - chip)

1:1

1.8:1

OCL

(± 10%)

(1-4) with (2-3) short

450 µH @ 10 KhZ, 0.1 V

450 µH @ 30 KhZ, 0.1 V

Leakage Inductance

@ 100 KhZ, 0.1 V

(1-4) with (2-3), (7-10) and (8-9) short

5.0 µH MAX

7.0 µH MAX

Additional Electrical Specifications

Part

Number

B2178

B2189

THD

(Linearity TYP - 10 kHz, 3.0 Vrms)

-67 dB

£

DC Resistance

Line Side

(1-4) with (2-3) short

W

Chip Side

(10-7) with (9-8) short

W

Isolation Voltage

(Vrms)

1500

Longitudinal Balance

(from 10 kHz to 1.1 MHz)

-50 dB

£

NOTE: Transformers are shipped in trays unless Tape & Reel packaging is specified by adding the suffix

“T”

to the part number (i.e. B2178T).

Mechanical

10 X .028

± .002

0,71

± 0,05

.695

17,65 MAX

.530

13,46

MAX

.394

10,00

MAX

10 X .051

± .002

1,30

± 0,05

.605

15,37

.100

2,54

.394

10,00

.098

2,50

Schematics

B2178

1

3

2

4

10

8

9

Date Code

Country of Mfg.

B21XX

.098

2,50

1:1

B2189

7

.516

13,11MAX

.485

12,32

MAX

1

3

2

4

10

8

9

1.8:1

7

.005/0,13

10 SURFACES

Weight

. . . . . . . . . . . . . .6.2 grams

Tray

. . . . . . . . . . . . . . . . . .60/tray

Dimensions:

Inches

mm

Unless otherwise specified,

all tolerances are ± .010

0,25

For More Information :

UNITED STATES

(Worldwide)

12220 World Trade Drive

San Diego, CA 92128

U.S.A.

http://www.pulseeng.com

TEL: 858 674 8100

FAX: 858 674 8262

UNITED KINGDOM

(Northern Europe)

1 & 2 Huxley Road

The Surrey Research Park

Guildford, Surrey GU2 5RE

United Kingdom

TEL: 44 1483 401700

FAX: 44 1483 401701

FRANCE

(Southern Europe)

Zone Industrielle

F-39270

Orgelet

France

TEL: 33 3 84 35 04 04

FAX: 33 3 84 25 46 41

SINGAPORE

(Southern Asia)

150 Kampong Ampat

#07-01/02

KA Centre

Singapore 368324

TEL: 65 287 8998

FAX:65 280 0080

TAIWAN, R.O.C.

(Northern Asia)

3F-4, No. 81, Sec. 1

HsinTai Wu Road

Hsi-Chih, Taipei Hsien

Taiwan, R.O.C.

Tel: 886 2 2698 0228

FAX: 886 2 2698 0948

Performance warranty of products offered on this data sheet is limited to the parameters specified. Data is subject to change without notice. Other brand and product

names mentioned herein may be trademarks or registered trademarks of their respective owners.

PRELIMINARY B979.P (4/01)

£

W

£

W

1.3

MAX

1.3

0.9

MAX

£

DISTRIBUTOR

B2189T Related Products

	B2189T	B2178	B2178T	B2189
Description	Telecom Transformer	Telecom Transformer	Telecom Transformer	Telecom Transformer
Maker	Pulse Electronics	Pulse Electronics	Pulse Electronics	Pulse Electronics
Reach Compliance Code	unknown	unknown	unknown	unknown
ECCN code	EAR99	EAR99	EAR99	EAR99
Other features	DESIGNED FOR USE WITH CT-L50SC04/CT-L50ST81 CENTILLIUM CHIPSETS, TURNS RATIO: 1.8:1	DESIGNED FOR USE WITH CT-L21SC08/CT-L41SC04 CENTILLIUM CHIPSETS, TURNS RATIO: 1:1	DESIGNED FOR USE WITH CT-L21SC08/CT-L41SC04 CENTILLIUM CHIPSETS, TURNS RATIO: 1:1	DESIGNED FOR USE WITH CT-L50SC04/CT-L50ST81 CENTILLIUM CHIPSETS, TURNS RATIO: 1.8:1
high	12.32 mm	12.32 mm	12.32 mm	12.32 mm
length	13.46 mm	13.46 mm	13.46 mm	13.46 mm
Manufacturer's serial number	B2189	B2178	B2178	B2189
Installation features	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT
Maximum operating temperature	85 °C	85 °C	85 °C	85 °C
Minimum operating temperature	-40 °C	-40 °C	-40 °C	-40 °C
method of packing	TRAY	TRAY	TRAY	TRAY
physical size	13.46mm X 13.11mm X 12.32mm	L13.46XB13.11XH12.32 (mm)	L13.46XB13.11XH12.32 (mm)	13.46mm X 13.11mm X 12.32mm
surface mount	YES	YES	YES	YES
Transformer type	TELECOM TRANSFORMER	TELECOM TRANSFORMER	TELECOM TRANSFORMER	TELECOM TRANSFORMER
width	13.11 mm	13.11 mm	13.11 mm	13.11 mm

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