BOURNS SM75719E

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Features
Applications
■ Compact surface mount packaging
■ Telecom
■ 1500 VAC HIPOT
■ Dual transformer for transmit and receive
■ Lead free version available (see How to
Order)
■ Lead free versions are RoHS compliant*
SM75719 - T1/CEPT/ISDN-PRI Transformer
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) (Ω max.) ........................0.80
DCR (9-7) (Ω max.) ............................0.80
DCR (1-3) (Ω max.) ............................1.30
DCR (4-6) (Ω 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
Product Dimensions
Electrical Schematic
1
12
10.16
MAX.
(.400)
11
15.24
MAX.
(.600)
SM75719
DATECODE
12
3
10
4
9
1
17.14
MAX.
(.675)
8
.254 - .508
(.010 - .020)
8.63
MAX.
(.340)
6
7
2.54
10 PLCS.
(.100)
How to Order
SM75719E __
Model
Termination
Blank = Tin-lead
L = Tin only (lead free)
1.01 - 1.27
12 PLCS.
(.040 - .050)
DIMENSIONS ARE:
TOLERANCE: ±
MM
(INCHES)
0.254
(.010)
NOTE: DIMENSIONS ARE EXCLUSIVE OF SOLDER
Packaging Specifications
Tape & Reel* ........................900 pcs./reel
*“E” suffix at end of part number
designates tape & reel packaging, e.g.
SM75719E.
03/05
*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.