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SM74120 Datasheet(PDF) 1 Page - Bourns Electronic Solutions

No. de pieza SM74120
Descripción Electrónicos  T1/CEPT/ISDN-PRI Transformer
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Fabricante Electrónico  BOURNS [Bourns Electronic Solutions]
Página de inicio  http://www.bourns.com
Logo BOURNS - Bourns Electronic Solutions

SM74120 Datasheet(HTML) 1 Page - Bourns Electronic Solutions

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SM74120 - T1/CEPT/ISDN-PRI Transformer
Features
Dual SMD package with transmit and
receive transformer
Low height of only 6.2 mm
Lead free version available (see How to
Order)
Lead free versions are RoHS compliant*
Applications
Telecom
SM74120
YYWW
1
CORE A
CORE B
2
3
6
7
8
11
10
9
16
14
Electrical Specifications @ 25 °C
Primary Pins
Core A ........................................16-14
Core B ............................................6-8
Ratio (±2 %)
Core A ..............................1:1 & 1:1.26
Core B ....................................1CT:2CT
OCL (mH) min.
Core A & B ......................................1.2
Leakage Inductance (µH) max.
Core A & B ....................................0.60
Cww (pF) max.
Core A & B ........................................30
DCR of primary (Ω) max.
Core A & B ....................................0.70
DCR of secondary (Ω) max.
Core A............................................0.80
Core B............................................1.00
HIPOT (VAC) ....................................1500
Operating Temperature (°C) ........0 to +70
*CT : center tap
Packaging Specifications
Tape & Reel* ........................700 pcs./reel
*“E” suffix at end of part number
designates tape & reel packaging, e.g.
SM74120E.
Electrical Schematic
Product Dimensions
16
9
18
SM74120
XXYY
12.0
(.472)
0.46 ± .51
(.018 ± 0.02)
1.27
(.050)
TYP.
1.02
(0.040)
7.0
(.276)
8.76 - 9.52
(.345 - .375)
6.22
(0.245)
MAX.
MAX.
MAX.
DIMENSIONS ARE:
MM
(INCHES)
TOLERANCE: ±
0.254
(.010)
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
03/05
How to Order
SM74120E __
Model
Termination
Blank = Tin-lead
L = Tin only (lead free)


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