PL
IA
N
T
Features
■
Low profile 16 pin SMD package
■
Meets the CCITT 1.430 waveform
This series is
not recommended for new designs.
*R
oH
S
CO
M
template when chip pairs and
recommended transformer are used
■
2 KVrms HIPOT
■
Weight: 7.2 g
■
Longitudinal balance from 10 KHz to
300 KHz: 60 dB min
■
RoHS compliant*
PT73031L - 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
Electrical Schematic
16
15 14
13
12
11 10
9
Product Dimensions
21.00
MAX.
(0.827)
SEC
12.20
(0.480)
MAX.
14.80
(0.583)
PRI
0.65
TYP.
(0.025)
16 PLACES
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
Tray .................................... 24 pcs./tube
How To Order
Model
Termination
L = Tin only (RoHS Compliant)
E
T
E
L
O
S
B
O
1
2
3
4
5
6
7
8
2.54
(0.100)
14 PLACES
COIL A
COIL B
8.00
(0.315)
MAX.
Typical Part Marking
PRODUCT
IDENTIFICATION
MARKING
0.13
(0.005)
MAX.
PT73031L
YYWW
TYP.
0.50
(0.019)
DATE CODE
(YEAR & WEEK)
PT73031 L
DIMENSIONS:
MM
(INCHES)
0.25
(.010)
TOLERANCES: ±
REV. 05/13
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.