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ST5420 数据表(PDF) 3 Page - Pulse A Technitrol Company

部件名 ST5420
功能描述  ISDN S-Interface Transformers
Download  7 Pages
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制造商  PULSE [Pulse A Technitrol Company]
网页  http://www.pulseeng.com
标志 PULSE - Pulse A Technitrol Company

ST5420 数据表(HTML) 3 Page - Pulse A Technitrol Company

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T604.F (05/12)
3
pulseelectronics.com
ISDN S-Interface Transformers
Transformer Selection & Packaging
IC
Manufacturer
IC
Part Number
Dual
Surface Mount
Single
Through Hole, 2 kVRMS
Dual
Through Hole
TX & RX
TX
RX
TX & RX
AT&T/Lucent
T7903
PE-65795
PE-64995NL
PE-64995NL
PE-65495
Mietec
MTC-2072
PE-65795
PE-64995NL
PE-64995NL
PE-65495
Mitel
MT8930
PE-65795
PE-64995NL
PE-64995NL
PE-65495
MC145474/145475
MC145574
National
TP3420/34221
PE-65795
PE-64995NL
PE-64995NL
PE-65495
SGS Thomson
ST5420, ST5421
PE-65795
PE-64995NL
PE-64995NL
PE-65495
PEB 2080/2081/2085
Siemens
PSB 2186
PE-65795
PE-64995NL
PE-64995NL
PE-65495
PEB 2084/2086
Yamaha
7405B
PE-65795
PE-64995NL
PE-64995NL
PE-65495
Notes:
A. In this catalog, turns ratio is expressed as
“primary:secondary”. The term “CT” designates a
center tapped winding. A center tapped winding
can be created by connecting two ends of a split
center winding together on the printed circuit board. In
ISDN-S applications, the primary winding is the line
side transformer winding.
B. The minimum primary inductance and the maximum
distributed capacitance satisfy the transmistter
output and receiver input impedance requirements of
CCITTI I.430 for both the TE and the NT. The maximum
distributed capacitance allows sufficient margin for the
capacitance of the IC and a protection diode network.
It is consistent with the overall maximum value
specified and the permitted length of the basic access
TE cord.
C. The maximum specified unbalanced DC current
capability is based on 20 mH minimum primary OCL
D. National recommends a 1:2 receive transformer, but
used as a 1:1 ratio by connectin only half the secondary
winding. See National’s application note.
E. PE-65950 and PE-65853 are recommended for use
with Siemens PEB 2080/2085 and help in meeting the
required longitudinal balance.
F. Standard packaging for all chokes and transformers
listed in this catalog is anti-static tubes. Optional
anti-static tray packaging can be ordered for the
surface mount SC-1 and LA-1 packages by adding an
R” suffix to the part number, (ie: PE-65795R). Optional
tape and reel packaging can be ordered for all surface
mount packages by adding a “
T” suffix to the part
number, (ie: PE-65795
T).
G. For PE-65854, OCL at -40C is 27 H minimum. For
maximum performance, using windings (1-8) and (2-7)
as a pair and windings (3-6) and (4-5) as a pair.
H. For transformers and choke modules, refer to data
sheet T632.
PE-65795
-
-
PE-65495
Packaging Information
Package
Type
Part Weight
Parts/Tube
Parts/Tray
Parts/Reel
Reel Diameter
Tape Width
Pitch
LA-1
SMT
2.0 Grams
30
60
250
13 Inches
24 mm
24 mm
SC-1
SMT
7.0 Grams
20
50
150
13 Inches
44 mm
24 mm
ID-1
THT
7.0 Grams
20
-
-
-
-
-
IS-1
THT
4.0 Grams
35
-
-
-
-
-
F
D
Motorola


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