LF9207A datasheet, PDF - EEWORLD Datasheet

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LF9207A: DescriptionDatacom Transformer, 100/1000 BASE-T Application(s), 1:1; 1:1,; CategoryPower management transformer; File Size119KB，1 Pages; ManufacturerDelta Electronics

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LF9207A Overview

Datacom Transformer, 100/1000 BASE-T Application(s), 1:1; 1:1,

LF9207A Parametric

Parameter Name	Attribute value
Reach Compliance Code	unknown
application	100/1000 BASE-T
high	5.72 mm
Insulation voltage	1500 V
length	13.77 mm
Installation features	SURFACE MOUNT
Number of functions	4
physical size	L13.77XB15.24XH5.72 (mm)
Primary inductance	350 µH
Maximum pulse rise time	5 ns
surface mount	YES
Transformer type	DATACOM TRANSFORMER
Turns ratio (Np:Ns)	1:1; 1:1
width	15.24 mm
Base Number Matches	1

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100/1000BASE-T

TRANSFORMER MODULES

Networking Components

9

LF

20

7A

ELECTRICAL CHARACTERISTICS @25 C

Rise Time & Fall Time @5.0ns (Max), Hi-Pot Test @60Sec, 1500Vrms, OCL @8mA DC Bias 350uH (Min)

Model

Insertion

Loss

(dB Max)

MHz

o

Return Loss

(dB Min)

MHz

Cross Talk

(dB Min)

30-60 60-100

MHz

Com. To Com.

Rejection Ratio

(dB Min)

1-100

MHz

Diff. To Com.

Mode Rejection

(dB Min)

1-60

MHz

60-100

Turns Ratio

TX/RX

( 5%)

1

MHz

1-60 60-100 100-125 1-30 30-40 40-50 50-100 1-30

LF9207A

-0.5 -1.0

-1.2

-16 -13.5 -11.5 -10

-40

-38

-33

-30

-40

-30

1:1 / 1:1

MECHANICAL

CONSTRUCTION

A

24

13

SCHEMATICS

LF9207A

2

1

3

5

4

6

8

7

9

11

10

12

23

24

22

20

21

19

17

18

16

14

15

13

LF92***

1

12

DATA CODE

11.18

D

C

H

B

J

E

F

G

I

0.99

0.64

UNIT : mm / inch

A = 13.77 0.254 / 0.542 0.010

B = 15.24 0.254 / 0.600 0.010

C = 5.72 0.254 / 0.225 0.010

D = 18.80 0.254 / 0.630 0.010

E = 0.99 / 0.039 (TYP)

F = 0.41 0.127 / 0.016 0.005

G = 0.254 0.127 / 0.010 0.005

H = 0.254 / 0.010 (TYP)

I = 1.14 / 0.045 (REF)

J= 0

o

~8

o

19.56

DELTA ELECTRONICS, INC.

(TAOYUAN PLANT CPBG)

252, SAN YING ROAD, KUEI SAN INDUSTRIAL ZONE, TAOYUAN SHIEN, TAIWAN, R.O.C.

15.50

TEL: 886-3-3591968; FAX: 886-3-3591991

Http://www.deltaww.com/products/networking

A-28

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