SM75056E - T1/E1 Transformer
Features
Small height of 5.65 mm
Operating temperature -40 °C to +85 °C
Lead free version available (see How to
Order)
Lead free versions are RoHS compliant*
Applications
Telecom
Electrical Specifications @ 25 °C
OCL (1-3)
mH min. @ 10 kHz, 0.1 V ................1.2
OCL (6-8)
mH min. @ 10 kHz, 0.1 V ................1.2
OCL (1-3)
µH min. @ 10 kHz, 0.1 V,
(-40 °C to +85 °C) ..........................600
OCL (6-8)
µH min. @ 10 kHz, 0.1 V,
(-40 °C to +85 °C) ..........................600
LL(1-3)
µH max. @ 100 kHz, 0.1 V
short (16-14) ....................................0.6
LL(6-8)
µH max. @ 100 kHz, 0.1 V
short (11-9) ......................................0.6
Cww (16-1)
pF max. @ 100 kHz, 0.1 V ................30
Cww (11-6)
pF max. @ 100 kHz, 0.1 V ................30
Turns Ratio
(1-3) : (16-14) ..................1 : 1.26 ±2 %
(6-8) : (11-9) ....................1 : 1.26 ±2 %
DCR (1-3)............................0.8 ohm max.
DCR (6-8)............................0.8 ohm max.
Polarity (1, 16, 6, 11) ............Same phase
HIPOT
Between Windings................2000 VAC
Contact Area of Pins on the PCB
Minimum Total Contact Area..........5 mm2
Product Dimensions
SM75056
(DATE)
12.70
(.500)
16 9
18
MAX.
7.00
(.276)MAX.
9.40
(.370)
1.27
(.050)
0.51
(.020)
8.89
(.350)
MAX.
5.65
(.222)MAX.
16 PLCS.
DIMENSIONS ARE: MM
(INCHES)
TOLERANCE: ± 0.254
(.010)
Electrical Schematic
1
3
16
14
6
8
11
9
Soldering Profile
240 °C
4 °C/S
45 S
MAX.
PREHEATING SOLDERING COOLING
150 °CCOOLING
IN STILL AIR
90 S
MAX. 30 S
MAX.
Packaging Specifications
Tape & Reel..........................700 pcs./reel
0.25
(.010) 0 ° - 8 °
0.74 ± 0.03
(.029 ± .001)
16X
Recommended PAD layout
8.89
(.350)
8.33
(.328)
1.27
(.050)
1.91
(.075)
SM75056
YYWW
*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.
02/06
*RoHS COMPLIANT
VERSIONS
AVAILABLE
How to Order
SM75056E __
Model
Termination
Blank = Tin-lead
L = Tin only (lead free)