
SM75719 - T1/CEPT/ISDN-PRI Transformer
Features
■
Compact surface mount packaging
■
1500 VAC HIPOT
■
Dual transformer for transmit and receive
■
Lead free version available (see How to
Order)
■
Lead free versions are RoHS compliant*
Applications
■
Telecom
Product Dimensions
Electrical Schematic
SM75719
DATECODE
10.16
(.400)
12
1
MAX.
8.63
(.340)
MAX.
2.54
(.100)
10 PLCS.
17.14
(.675)
MAX.
15.24
(.600)
.254 - .508
(.010 - .020)
MAX.
DIMENSIONS ARE:
MM
(INCHES)
TOLERANCE: ±
0.254
(.010)
1
3
12
10
4
6
9
8
11
7
NOTE: DIMENSIONS ARE EXCLUSIVE OF SOLDER
Electrical Specifications @ 25
°
C
Turns Ratio ±2 %
(1-3):(12-10) ................................2CT:1
Turns Ratio ±2 %
(11-12):(1-3)..............................0.395:1
Turns Ratio ±2 %
(9-7):(4-6) ....................................2CT:1
Turns Ratio ±2 %
(9-8):(4-6)....................................1.58:1
Polarity (Same Phase)..1,12 & 11; 4,9 & 8
OCL (10-12)
mH min. @ 10 kHz, 0.1 V ................1.2
OCL (9-7)
mH min. @ 10 kHz, 0.1 V ................1.2
Le (10-12)
μH max. @ 100 kHz, 0.02 V
short (1-3) ........................................0.6
Le (9-7)
μH max. @ 100 kHz, 0.02 V
short (4-6) ........................................0.8
Cww (1-3) to (12-10)
pF max. @ 100 kHz, 0.02 V ..............40
Cww (4-6) to (9-7)
pF max. @ 100 kHz, 0.02 V ..............40
DCR (10-12) (
max.)........................0.80
DCR (9-7) (
max.)............................0.80
DCR (1-3) (
max.)............................1.30
DCR (4-6) (
max.)............................0.60
HIPOT Between Pri. and Sec. Windings
(VAC) ............................................1500
Return Loss
dB typ. @ 100 KHz - 3.2 MHz ..........20
Operating Temperature (°C) ........0 to +70
Packaging Specifications
Tape & Reel* ........................900 pcs./reel
*“E” suffix at end of part number
designates tape & reel packaging, e.g.
SM75719E.
12 PLCS.
1.01 - 1.27
(.040 - .050)
SM51
*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
SM75719E __
Model
Termination
Blank = Tin-lead
L = Tin only (lead free)