74139 Datasheet PDF - Bourns Electronic Solutions
| Part Number | 74139 | |
| Description | T1/CEPT/ISDN-PRI Dual Transformer | |
| Manufacturers | Bourns Electronic Solutions | |
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YYSWMW74139
Features
■ Surface mount
■ Dual transformer for transmit and receive
■ 1500 VAC HIPOT
■ Lead free version available (see How to
Order)
■ Lead free versions are RoHS compliant*
Applications
■ Telecom
SM74139 - T1/CEPT/ISDN-PRI Dual Transformer
Electrical Specifications @ 25 °C
Primary Pins
Core A ............................................1-3
Core B ............................................6-8
Ratio (±2 %)
Core A & B ......................1CT : 1.15CT
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 & B ....................................0.75
Operating Temperature (°C) ........0 to +70
*CT : center tap
Packaging Specifications
www.DataSheet4U.com
Tape & Reel* ........................700 pcs./reel
*“E” suffix at end of part number
designates tape & reel packaging, e.g.
SM74139E.
Product Dimensions
12.82
(.505)
MAX.
7.11
(.280)
MAX.
16 9
SM74139
(DATECODE)
18
9.52
(.375)
MAX.
1.27
(.050)
TYP.
.457 ± .05
(.018 ± .002)
1.01
(.040)
(6.2.2425)MAX.
DIMENSIONS ARE:
MM
(INCHES)
TOLERANCE: ± 0.254
(.010)
Electrical Schematic
CORE A
1
16
2 15
3 14
CORE B
6 11
7 10
89
How to Order
SM74139E __
Model
Termination
Blank = Tin-lead
L = Tin only (lead free)
03/05
*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.
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for 74139 electronic component. |
| Information | Total 1 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ 74139.PDF Datasheet ] | |
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