28Z651 datasheet, PDF - EEWORLD Datasheet

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28Z651: DescriptionTelecom Transformer; CategoryPower management transformer; File Size49KB，1 Pages; ManufacturerVitec Electronics Corporation

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28Z651 Overview

Telecom Transformer

28Z651 Parametric

Parameter Name	Attribute value
Reach Compliance Code	unknown
ECCN code	EAR99
Other features	DATA COUPLING
high	8.64 mm
length	16.51 mm
Manufacturer's serial number	28Z
Installation features	SURFACE MOUNT
physical size	16.51mm X 10.16mm X 8.64mm
surface mount	YES
Transformer type	TELECOM TRANSFORMER
width	10.16 mm
Base Number Matches	1

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TYPE 28Z - SMD TRANSFORMERS

T1/CEPT/ISDN-Pri Interface

FEATURES

SMD package for pick and place assemply.

Designed for vapor phase and IR reflow soldering.

Designed to meet FCC and CCITT G.703.

Meets UL1459 and UL1950.

Available for both standard temperature and

extended temperature applications.

PACKAGE

0.01-0.02

0.25-0.51

SCHEMATICS

VITEC

28ZXXX

0.600 MAX

15.24 MAX

0.400 MAX

10.16 MAX

0.650 MAX

16.51 MAX

Coplanarity is +/- 0.004/0.10

0.340

8.64

0.100

2.54

0.030

0.76

Dimensions Inches/mm +/- 0.01" Unless noted

ELECTRICAL CHARACTERISTICS @ 25

Part

Number

Turns Ratio

Ratio

+/- 5%

OCL

MIN

1.20

1.50 & 1.20

1.50

1.20

1.60

1.20

1.60

1.20

1.60

1.20

MAX

0.50

0.50 & 0.80

0.55 & 0.80

0.80

0.60 & 0.50

0.50 & 0.40

0.40

0.60

1.00

0.80

1.00 & 0.80

0.80

1.30

0.80

MAX

40 & 35

35 & 40

40 & 30

66 & 55

60 & 50

50 & 60

55 & 40

60 & 50

Pri DCR

Ohms

MAX

0.70

0.80

0.70

0.70 & 1.00

0.70

0.80

0.70

1.00

1.70

1.00

1.10

1.00

1.20

1.00

1.20

0.90

1.20

Sec DCR

Ohms

MAX

1.00

1.80

1.20 & 0.90

1.10 & 0.70

1.10

0.90 & 1.10

1.00

1.10 & 0.90

0.45

1.70

2.00 & 1.70

1.00 & 2.00

1.10 & 1.70

1.10 & 0.70

1.00

1.40

1.00 & 1.80

1.40 & 1.20

1.40

1.20

2.10

Schematic

Primary

Pins

12-10, 4-6

1-3, 9-7

12-10, 4-6

12-10, 9-7

12-10, 4-6

1-3, 4-6

12-10,4-6

1-3,4-6

12-10,4-6

1-3,4-6

12-10,9-7

10-12,4-6

Standard Temperature

28Z651

1:2CT&1:2CT

28Z652

1:2CT&1:1.36

28Z653

1:2CT&1:1.14CT

28Z654

1CT:2CT&1:1

28Z665

1:1.15CT&1:2CT

28Z666

1:1:1.266&1:2CT

28Z668

1:1/1.26&1:1/1.26

28Z669

1CT:2CT&1:1.08CT

28Z674

2CT:1CT & 1:1

Extend Temperature Range

28Z626

1CT:2CT&1CT:2CT

28Z627

1CT:2CT&1:1.36CT

28Z628

1:1.15CT&1CT:2CT

28Z629

1:1/1.26&1:2CT

28Z630

1:2CT&2:1

28Z631

1CT:1CT&1CT:1CT

28Z632

1CT:1.15CT&1CT:1.15CT

28Z633

1CT:1CT&1CT:2CT

28Z634

1CT:1.15CT&1CT:1CT

28Z635

1CT:1.36CT&1CT:1.36CT

28Z636

1CT:1.41CT&1CT:1.41CT

28Z637

1CT:2.3CT&1CT:2CT

T-602.2

05/01

Vitec Electronics Corporation

www.VitecCorp.com

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