
Electrical Specifications @ 25
°
C
Turns Ratio ±2 %
(1-2-3):(12-10)........................1.15 CT:1
Turns Ratio ±5 %
(4-5-6):(9-8-7) ......................1 CT:2 CT
Polarity ..1,2 & 12; 4,5,9 & 8 same phase
OCL (12-10) @ 10 kHz, 0.01 V
..........................................1.6 mH min.
OCL (4-6) @ 10 kHz, 0.1 V
..........................................1.6 mH min.
OCL (12-10) @ 10 kHz, 0.01 V, -40 °C
..........................................0.6 mH min.
OCL (4-6) @ 10 kHz, 0.01 V, -40 °C
..........................................0.6 mH min.
Le (12-10) @ 100 kHz, 0.1 V,
Short (1-2-3)......................0.8 μH max.
Le (4-6) @ 100 kHz, 0.1 V,
Short (9-8-7)......................0.8 μH max.
Cww (1-12) @ 100 kHz, 0.1 V
............................................60 pF max.
Cww (4-9) @ 100 kHz, 0.1 V
............................................50 pF max.
DCR (1-3) (
max.)............................1.00
DCR (12-10) (
max.)........................1.00
DCR (4-6) (
max.)............................1.00
DCR (9-7) (
max.)............................2.00
HIPOT (VAC) ....................................1500
*CT : center tap
SM75225 - T1/CEPT/ISDN-PRI Dual Transformers
Features
■
Compact surface mount packaging
■
Operating temperature -40 °C to +85 °C
■
PE68825 equivalent
■
Lead free version available (see How to
Order)
■
Lead free versions are RoHS compliant*
Applications
■
Telecom
Product Dimensions
Electrical Schematic
SM75225
DATECODE
12
1
Coplanarity:
.102
(.004)
8.63
(.340)
MAX.
2.54
(.100)
12.7
(.500)
17.14
(.675)
MAX.
.508
(.020)
TYP.
11.58
(.456)
MAX.
15.24
(.600)
MAX.
.254 - .508
(.010 - .020)
1.01 - 1.27
(.040 - .050)
NOTE: DIMENSIONS ARE EXCLUSIVE OF SOLDER
DIMENSIONS ARE:
MM
(INCHES)
TOLERANCE: ±
0.25
(.010)
1
3
12
10
4
6
9
8
2
Pri
Pri
1.15 CT : 1
1 CT : 2 CT
5
7
Packaging Specifications
Tape & Reel* ........................330 pcs./reel
*“E” suffix at end of part number
designates tape & reel packaging, e.g.
SM75225E.
SM52
*RHAVALABE
VRSONS
*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
SM75225E __
Model
Termination
Blank = Tin-lead
L = Tin only (lead free)