PT74344L
(DATE)
0.46
(.018)
1.27
(.050) 8.89
(.350)
9.15 ± 0.25
(.360 ± .010)
8.89
(.350)
1.27
(.050)
0.71
(.028)
16X
Recommended PAD layout
Coplanarity:
TYP.
8.38
(.330)
1.91
(.075)
TYP.
0.38
(.015) TYP.
1.02
(.040) TYP.
12.83
(.505) MAX.
7.1
(.280)
.102
(.004)
MAX.
6.22
(.245) MAX.
Features
■ Compact surface mount packaging
■ Contains both transmit and receive
transformer in a single package
■ Isolation voltage: 1500 Vrms
■ RoHS compliant* Applications
■ Telecom
PT74344L - T1/CEPT/ISDN-PRI Transformer
Electrical Specifi cations @ 25 °C
Turns Ratio ±5 %
............................1:1.15CT & 1CT:2CT
Primary Inductance (mH min.)
...........................................1.20 & 1.20
Primary Leakage Inductance (µH max.)
...........................................0.60 & 0.60
Cww (pF max.) ............................ 30 & 30
Pri DCR (Ω max.) .................. 0.70 & 0.70
Sec DCR (Ω max.) ................ 0.70 & 1.00
Primary Pins ............................16-14, 6-8
Operating Temperature (°C) ....... 0 to +70
*CT : center tap
*RoHS COMPLIANT
Product DimensionsElectrical Schematic
DIMENSIONS: MM
(INCHES)
Packaging Specifi cations
Tape and Reel* .................. 700 pcs./reel
*”E” suffi x before “L” in part number
designates tape & reel packaging, e.g.
PT74344EL.
How To Order
PT74344E L
Model
Termination
L = Tin only (RoHS Compliant)
TOLERANCES: ± 0.25
(.010)
1
2
3
16
14
6
7
8
11
10
9
NOTE: DIMENSIONS ARE EXCLUSIVE OF SOLDER
PT74344L
YYWW
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifi cations are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specifi c applications.
REV. 05/13
This series is currently available, but
not recommended for new designs.
