oH
V SC
AV ER OM
AI SIO PL
LA N IA
BL S NT
E
Features
■
Low profile 16 pin SMD package
■
Meets the CCITT 1.430 waveform
■
Longitudinal balance from 10 KHz to
template when chip pairs and
recommended transformer are used
■
2 KVrms HIPOT
■
Weight: 7.2 g
300 KHz: 60 dB min.
■
Lead free version available (see How to
Order)
■
Lead free versions are RoHS compliant*
*R
PT73031 - SMD - ISDN S Interface Transformer
Electrical Specifications @ 25
°C
Turns Ratio ±2 %
A ......................................................1:2
B ......................................................1:2
OCL PRI (mH min.)
A & B ................................................22
LL SEC (µH max.)
A ......................................................15
B ......................................................15
Cww (pF max)
A & B ..............................................100
Pri DCR (Ω ±15 %)
A ......................................................2.5
B ......................................................2.5
Sec DCR (Ω ±15 %)
A ......................................................4.0
B ......................................................4.0
Environmental Characteristics
Operating Temperature (°C) ........0 to +85
Storage Temperature (°C) ......-55 to +125
Flammability ..............................UL94V-0
Solder Method ....IR Reflow 230 °C max.
10 seconds
Packaging Specifications
Tube ....................................24 pcs./tube
Product Dimensions
21.00
MAX.
(0.827)
Electrical Schematic
16
15 14
13
12
11 10
9
SEC
12.20
(0.480)
MAX.
14.80
(0.583)
PRI
2.54
(0.100)
14 PLACES
0.65
TYP.
(0.025)
16 PLACES
1
2
3
4
5
6
7
8
COIL A
COIL B
8.00
(0.315)
MAX.
Typical Part Marking
0.13
(0.005)
MAX.
PRODUCT
IDENTIFICATION
MARKING
PT73031
YYWW
TYP.
0.50
(0.019)
DATE CODE
(YEAR & WEEK)
How to Order
DIMENSIONS ARE:
MM
(INCHES)
PT73031 __
Model
Termination
Blank = Tin-lead
L = Tin only (lead free)
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.
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