20362 Datasheet, PDF (1/1 Pages) Nuvotem Talema – T1/E1 Octal 75/120 Ohm Matching Transformer Module

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
20362
Transformer
TX - 120/75 Ohm
RX - 120 Ohm
RX - 75 Ohm
Turns Ratio
(Pri:Sec +/-2% )
Chip : Line
1 : 1.9/2.4
Line : Chip
1 : 1.9
Line : Chip
1 : 2.4
OCL
L_L
C_WW DCR (mOhms)
(mH Min.) (µH Max) (pF Max)
Pri Sec
1.0
0.8
50
0.9 1.4
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)
Quad Module Package
0.831 _0.752
(21.10) _(19.10)
0.076
(1.93)
TALEMA IN
WK/YR
Part Number
0.020
(0.50)
46 x 0.05 (1.27)
1.254
(31.85)
0.305 ^0.258
(7.75) ^(6.55)
Surface coplanarity will be <0.004 (0.10)
Dimensions: Inches (Millimeters)
Tolerance: ±0.010 (0.25) unless specified otherwise
Weight: ~ 8 grams
Suggested
Pad Layout
23 x 0.050
(23 x 1,27)
0.030
(0,77)
0.870 0.650
(22.10) (16.50)
0.110
(2.80)
1.150
(29.21)
Schematic
Chip
1
Tx 2
3
4
Rx
6
7
Tx 8
9
10
Rx
12
13
Tx 14
15
16
Rx
18
19
Tx 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
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