SM74139 Datasheet, PDF (1/1 Pages) Bourns Electronic Solutions – T1/CEPT/ISDN-PRI Dual Transformer

*RoHS ^COMPLIANT
YSYMW7W4139L
Features
■ Surface mount
■ Dual transformer for transmit and receive
■ 1500 VAC HIPOT
■ RoHS compliant*
Applications
■ Telecom
SM74139L - 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
Tape & Reel* ...................... 700 pcs./reel
*”E” suffix before “L” in part number
designates tape & reel packaging, e.g.
SM74139EL.
How To Order
SM74139E L
Model
Termination
L = Tin only (RoHS Compliant)
Electrical Schematic
CORE A
1
2
3
CORE B
6
7
8
Product Dimensions
16
12.82
(.505)
MAX.
16
9
15
7.11
(.280)
MAX.
SM74139L
(DATECODE)
9.52
(.375)
MAX.
1
8
1.27
(.050)
TYP.
14
.457 ± .05
(.018 ± .002)
11
1.01
(.040)
10
(6.2.2425)MAX.
9
DIMENSIONS:
MM
(INCHES)
TOLERANCE: ±
0.254
(.010)
REV. 06/11
*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