821-M0688 datasheet, PDF - EEWORLD Datasheet

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821-M0688: DescriptionTelecom Transformer, SO024A; CategoryPower management transformer; File Size126KB，2 Pages; ManufacturerElec & Eltek; Websitehttp://www.eleceltek.com

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821-M0688 Overview

Telecom Transformer, SO024A

821-M0688 Parametric

Parameter Name	Attribute value
Maker	Elec & Eltek
package instruction	SO024A
Reach Compliance Code	unknown
ECCN code	EAR99
Other features	HEIGHT DIM. INCLUDES TERMINALS ALSO; TURNS RATIO: 1CT:1.41CT; 1CT:1.41CT
high	5.72 mm
length	17.78 mm
Manufacturer's serial number	821-M0688
Installation features	SURFACE MOUNT
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
method of packing	TAPE & REEL
physical size	L17.78XB12.07XH5.72 (mm)
surface mount	YES
Transformer type	TELECOM TRANSFORMER
width	12.07 mm

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T1/E1/CEPT/ISDN-Pri INTERFACE MODULE

E & E Magnetic Products Limited

Quad Transformer Module, SOIC, 1500Vrms

Extended Temperature Range

Dual Port package contains Transformers with optional

CHEMATICS

Common Mode Chokes on both transmit and receive

channels

Designs matched to leading transceivers ICs

Operating temperature -40°C to +85°C

Isolation voltage: 1500Vrms

LECTRICAL

PECIFICATION @25°C

Part Number

w/ CMC

821-M0684

821-M0685

821-M0686

821-M0687

821-M0688

821-M0689

821-M0690

821-M0691

821-M0692

821-M0693

821-M0694

w/o CMC

821-M0578

821-M0565

821-M0576

821-M0571

821-M0572

821-M0564

821-M0567

821-M0575

821-M0568

821-M0569

821-M0574

Turns Ratio

(Pri: Sec ±2%)

1CT:2.4CT

1CT:1CT

DCR

OCL

Cww

Primary

Secondary (pF Max)

(

Max)

(mH Min)

1.20

0.80

Primary Pins

Schematic

1-3 & 10-12

4-6 & 10-12

1-3 & 10-12

4-6 & 10-12

1-3 & 10-12

4-6 & 10-12

21-19 & 18-16

1-3 & 7-9

24-22 & 18-16

1-3 & 7-9

21-19 & 18-16

1-3 & 7-9

21-19 & 18-16

24-22 & 18-16

1-3 & 7-9

1CT:2.42CT 1CT:2.42CT

1CT:2CT

1CT:1CT

1CT:1.15CT 1CT:1.15CT

1CT:1.41CT 1CT:1.41CT

1CT:2CT

1CT:2.3CT

1CT:1.36CT

1CT:1.15CT

1CT:2CT

1CT:1CT

1CT:2CT

1CT:1CT

1CT:2CT

ECHANICAL

IMENSIONS

Package: SO024A

.090

2.29

.050

1.27

.550

13.97

.700 MAX

17.78

.660

16.76

.600±.010

15.24±0.25

821-M0xxx

(DATE)

.025

0.64

Recommended

Pad Layout

.475±.005

12.07±0.13

.010-.020

0.25-0.51

.225±.010

5.72±0.25

REFERENCE OR

GAUGE PLANE

.050±.005

1.27±0.13

.550±.010

13.97±0.25

0-8°

.045±.010

1.14±0.25

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

2.4 Typ.

450 / reel

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

Tel: (852) 2954 3333

Fax: (852) 2954 3304

TE014(02)

Revised in 04/07

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