20362 参数 Datasheet PDF下载

T1/E1 Octal 75/120 Ohm Matching Transformer Module

Features

• module contains eight transformers for Quad T1/E1

Ports

• SMD design provides consistent and reliable

coplanarity - fully pick and place compatable

• controlled parameters ensure full compliance with

ITU-T G.703 when matched with recommended IC

• manufactured in an ISO-9001:2000, TS-16949:2002

and ISO-14001:2004 certified Talema facility

• 1500Vrms minimum isolation voltage

• extended operating temperature: -40° to +85°C

• fully RoHS compliant and meets lead free reflow

level J-STD-020C

Electrical Specifications @ 25°C

Turns Ratio:

Bold

= IC side windings

Eight 75/120 Ohm Matching Transformer Module for Quad T1/E1 Ports

Extended Operating Temperature Range: -40° to +85°C

Part

Number

Transformer

Turns Ratio

(Pri: Sec +/-2% )

Chip : Line

1 : 1.9/2.4

Line : Chip

1 : 1.9

Line : Chip

1 : 2.4

1.0

0.8

50

0.9

1.4

OCL

L

L

C

WW

DCR (mOhms)

Pri

S ec

Pins

Primary : Secondary

(1:3) : (48-47)/(48-46), (7-9) : (42-41)/(42-40)

(13-15) : (36-35)/(36-34), (19-21) : (30-29)/(30-28)

(45-43) : (4-6), (39-37) : (10-12)

(33-31) : (16-18), (27-25) : (22-24)

(45-44) : (4-6), (39-38) : (10-12)

(33-32) : (16-18), (27-26) : (22-24)

(mH Min.) (µH Max) (pF Max)

TX - 120/75 Ohm

20362

RX - 120 Ohm

RX - 75 Ohm

Quad Module Package

Schematic

Suggested

Pad Layout

0.831 0.752

(21.10) (19.10)

Chip

Tx

1

2

3

4

Rx

6

7

8

9

10

Rx

12

13

14

15

16

Rx

18

19

20

21

22

Rx

24

Line

48

47

46

45

44

43

42

41

40

39

38

37

36

35

34

33

32

31

30

29

28

27

26

25

TALEMA IN

WK/YR

Part Number

23 x 0.050

(23 x 1,27)

0.030

(0,77)

0.076

(1.93)

0.020

(0.50)

46 x 0.05 (1.27)

1.254

(31.85)

0.870 0.650

(22.10) (16.50)

0.110

(2.80)

Tx

0.305

(7.75)

0.258

(6.55)

1.150

(29.21)

Tx

Surface coplanarity will be <0.004 (0.10)

Dimensions: Inches (Millimeters)

Tolerance: ±0.010 (0.25) unless specified otherwise

Weight: ~ 8 grams

Tx

Germany: Int.+4989-841 00-0 • Ireland: Int.+35 374-954 8666 • Czech Rep: Int.+420 377 - 338 351 • India: Int.+91 427-244 1325

http://www.talema-nuvotem.com

(10-06) Communications\E1-T1\20362