PT61021L

PL
IA
NT
Features
■ RoHS compliant*
CO
M
■ Compliant with IEEE802.3ab Draft
*R
oH
S
Standards for 1000 Base-T
■ Designed for Long Haul Gigabit Ethernet
10/100/1000 Base-T Full Duplex
applications
■ Low profile surface mount packaging
designed for reflow process (225 ° peak)
■ Supports 4 pairs of Category 5 UTP cables
Applications
■ LAN
■ Ethernet
PT61021L LAN 10/100/1000 Base-T Transformer Modules
Electrical Specifications @ 25 °C
Inductance .......................... 350 µH min.
with 8 mA DC bias @ 100 KHz, 0.2 V
Leakage Inductance .......... 0.50 µH max.
@ 100 KHz, 0.2 V
Interwinding Capacitance .......25 pF typ.
@ 100 KHz, 0.2 V
DC Resistance .................... 0.90 Ω max.
Insertion Loss ..................... 0.3-100 MHz
-1.1 dB max.
Return Loss (dB min.)
0.3-30 MHz .....................................-18
40 MHz.........................................-14.4
50 MHz.........................................-13.1
60-80 MHz ......................................-12
Cross Talk (dB min.)
0.3-30 MHz .....................................-35
60-100 MHz ....................................-28
Common Mode Rejection (dB min.)
0.3-30 MHz .....................................-40
60 MHz............................................-35
80-100 MHz ....................................-30
Turns Ratio ...........................1 CT:1±5 %
Isolation Hi-Pot....1500 VAC 1 mA 1 sec.
Operating Temperature
..................................... 0° C to +70 °C
Electrical Schematic
TCT1
1
TD1+
2
TD1-
3
TCT2
4
TD2+
5
TD2-
6
TCT3
7
TD3+
8
TD3-
9
1CT:1
1CT:1
1CT:1
TCT4 10
TD4+ 11
TD4- 12
1CT:1
Product Dimensions
24
MCT1
23
MX1+
22
MX1-
21
MCT2
20
MX2+
19
MX2-
18
MCT3
17
MX3+
16
MX3-
15
MCT4
14
MX4+
13
MX4-
13.97
(0.55)
12.40
(0.488)
Bourns
PT61021L
15.80
(0.622)
DATE CODE
17.80
(0.701)
PIN 1
MAX.
6.80
(0.268)
0.30 ± 0.15
(0.012 ± 0.006)
0.46
(0.018)
1.27
(0.05)
8˚
0.90
(0.035)
Packaging Specifications
Recommended Layout
Tube ....................................28 pcs./tube
2.29
(0.090)
13.97
(0.95)
How To Order
PT61021 L
16.76
(0.660)
Model
Termination
L = Tin only (RoHS Compliant)
1.27
(0.05)
DIMENSIONS:
TOLERANCES: ±
REV. 06/11
*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
0.76
(0.030)
MM
(INCHES)
0.25
(.010)