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Bourns Electronic
Bourns Electronic

PT71949 Datasheet Preview

PT71949 Datasheet

ISDN S Interface Transformer

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PT71949 pdf
Features
Meets the CCITT 1.430 ISDN S interface
specifications
1.5 kVrms HIPOT Pri/Sec in conformance
with international safety standards
58 dB min. longitudinal balance at
96 kHz, 10 Vrms
Lead free version available (see How to
Order)
Lead free versions are RoHS compliant*
Low leakage inductance
Operating temperature 0 °C to +70 °C
Weight - 3 g
Applications
Telecom
PT71949 - ISDN S Interface Transformer
Electrical Specifications @ 25 °C
Turns Ratio ±2 %..............................1:4:1
Primary Inductance................30 mH min.
Primary Leakage Inductance ..5 µH max.
Cww (pF max) ......................................40
Pri DCR (ohm max.) ............................0.9
Sec DCR (ohm max.) ..........................3.8
Ter DCR (ohm max.) ............................0.9
Packaging Specifications
Tray ....................................200 pcs./tray,
4000 pcs./outer box
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Product Dimensions
15.4 MAX.
(.606)
0.5 SQ PIN
(.020) DIA.
AWG #24 LEAD
WIRE 6 PLCS.
2.6 ± 0.40 MIN.
(.102 ± .016)
9.5
(.374)
6
5
5.1
(.200)
3
8 14.4 MAX.
(.567)
5.1
10 (.200)
1
7.6
(.299)
Electrical Schematic
TER
6
N3
SEC
8
N2
PRI
10
N1
5
3
1
How to Order
Model
Termination
Blank = Tin-lead
L = Tin only (lead free)
PT71949 __
DIMENSIONS ARE:
MM
(INCHES)
TOLERANCE: ± 0.25
(.010)
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.


Part Number PT71949
Description ISDN S Interface Transformer
Maker Bourns Electronic
Total Page 1 Pages
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