821-M1528 datasheet, PDF - EEWORLD Datasheet

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821-M1528: DescriptionTelecom Transformer, SOIC; CategoryPower management transformer; File Size183KB，2 Pages; ManufacturerElec & Eltek; Websitehttp://www.eleceltek.com

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821-M1528 Overview

Telecom Transformer, SOIC

821-M1528 Parametric

Parameter Name	Attribute value
Maker	Elec & Eltek
package instruction	SOIC
Reach Compliance Code	unknown
ECCN code	EAR99
Other features	BREADTH & HEIGHT DIM. INCLUDES TERMINALS ALSO; TURNS RATIO: 1CT:1.14; 1.14:1CT
high	7.85 mm
length	32.13 mm
Manufacturer's serial number	821-M1528
Installation features	SURFACE MOUNT
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
method of packing	TAPE & REEL
physical size	32.13mm X 21.64mm X 7.85mm
surface mount	YES
Transformer type	TELECOM TRANSFORMER
width	21.64 mm

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E & E Magnetic Products Limited

T1/E1/CEPT/ISDN-Pri

TRANSFORMER MODULE

Quad Port, with TVS protection at line side,

SOIC, Extended Temperature Range

Four transmit transformers, four receive transformers

CHEMATICS

and line side protection circuit in a single SMT package

IC grade transfer-molded package withstands 235°C

IR reflow temperature

Extended temperature range of -40°C to +85°C

Minimum Isolation voltage: 1500Vrms

LECTRICAL

PECIFICATION @25°C

Part

Number

821-M1527

821-M1528

Turns Ratio

(Pri: Sec ±5%)

1CT:1

1:1CT

OCL

Line Side

(mH Min)

1.2

(uH Max)

0.8

1.0

0.8

1.0

Cww

(pF Max)

Isolation

Voltage

(Vrms Min)

1500

Primary Pins

4-6, 10-12,

16-18, 22-24

4-6, 10-12,

16-18, 22-24

48-46, 42-40,

36-34, 30-28

48-46, 42-40,

36-34, 30-28

1CT:1.14 1.14:1CT

ECHANICAL

IMENSIONS

Package: SO048B

1.150

29.21

1.265 MAX

32.13

.092

2.34

.050

1.27

ELEC & ELTEK

.852±.010

21.64±0.25

.894

22.71

821-M152x

(COUNTRY)

(DATE)

.030

0.76

.018±.003

0.46±0.08

Recommended

Pad Layout

.722 MAX

18.34

.005-.015

0.13-0.38

.309 MAX

7.85

REFERENCE OR

GAUGE PLANE

.050±.005

1.27±0.13

1.150±.010

29.21±0.25

.040±.010

1.02±0.25

0-8°

Notes: All dimensions are specified in inches with higher precedence in inches.

Unless otherwise specified, all tolerances are

.010

0.25

Weight (in gram)

Tape & Reel

9.0 typ.

200 / reel

Unit B10, 3/F., 94 Tokwawan Road, Kowloon, Hong Kong

Tel: (852) 2954 3333

Fax: (852) 2954 3304

TE022(02)

Revised in 04/07

821-M1528 Related Products

	821-M1528	821-M1527
Description	Telecom Transformer, SOIC	Telecom Transformer, SOIC
Maker	Elec & Eltek	Elec & Eltek
package instruction	SOIC	SOIC
Reach Compliance Code	unknown	unknown
ECCN code	EAR99	EAR99
Other features	BREADTH & HEIGHT DIM. INCLUDES TERMINALS ALSO; TURNS RATIO: 1CT:1.14; 1.14:1CT	BREADTH & HEIGHT DIM. INCLUDES TERMINALS ALSO; TURNS RATIO: 1CT:1; 1:1CT
high	7.85 mm	7.85 mm
length	32.13 mm	32.13 mm
Manufacturer's serial number	821-M1528	821-M1527
Installation features	SURFACE MOUNT	SURFACE MOUNT
Maximum operating temperature	85 °C	85 °C
Minimum operating temperature	-40 °C	-40 °C
method of packing	TAPE & REEL	TAPE & REEL
physical size	32.13mm X 21.64mm X 7.85mm	32.13mm X 21.64mm X 7.85mm
surface mount	YES	YES
Transformer type	TELECOM TRANSFORMER	TELECOM TRANSFORMER
width	21.64 mm	21.64 mm

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