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PT71949 Datasheet, PDF (1/1 Pages) Bourns Electronic Solutions – ISDN S Interface Transformer
*RoHS VCEOARMVSAPIOILLINAASBNLTE
PT71949
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
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
5
N3
SEC
8
3
N2
PRI
10
1
N1
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.