Ro VE LEA
HS RS D
CO I O N F R E
M SA E
PL R
IA E
NT
*
Features
■
Lead free versions available (see How to
Applications
■
VolP
■
PoE
Order)
■
Lead free versions are RoHS compliant*
■
IEEE802 3af/ANSI X3.263
SM51522 10/100 Base Tx VolP Modules (Power over Ethernet - PoE)
Electrical Specifications
Inductance - Open Circuit ....350
µH
min.
(100 KHz, 0.1 V with 8 mA DC bias)
DC Resistance Balance ..............≤ 3.5 %
Turns Ratio (TX/RX) ..................1CT : 1CT
Insertion Loss
....................1-100 MHz, -1.2 dB max.
Return Loss (@ 100 ohms)
1-30 MHz ..........................-16 dB min.
40 MHz ..............................-14 dB min.
50 MHz ..............................-13 dB min.
60-80 MHz ........................-12 dB min.
Cross Talk
60 MHz ..............................-37 dB min.
100 MHz ............................-31 dB min.
DCMRR
30 MHz ............................-43 dB min.
60 MHz ..............................-37 dB min.
100 MHz ............................-33 dB min.
Isolation ....................................1500 VAC
Operating Temperature
..................................-40 °C to +85 °C
Packaging Specifications
........................................700 pcs./reel
Electrical Schematic
23 RXCT1
RD1+ 1
RCT1 2
RD1- 3
22 RX1-
20 TXCT1
TD1+ 4
TCT1 5
TD1- 6
19 TX1-
17 TXCT2
TD2+ 7
TCT2 8
TD2- 9
16 TX2-
14 RXCT2
RD2+ 10
RCT2 11
RD2- 12
13 RX2-
15 RX2+
18 TX2+
21 TX1+
24 RX1+
Product Dimensions
How to Order
13.10
(0.516)
11.22
(0.442)
Recommended Layout
SM51522E __
Model
Termination
Blank = Tin-lead
L = Tin only (lead free)
11.22
(0.442)
Bourns
12.50
(0.492)
SM51522L
YYWW
15.50
(0.610)
12.45
(0.490)
15.75
(0.620)
PIN 1
0.41
(0.016)
24 PLCS.
3.50
(0.138)
0.15
(0.006)
1.02
(0.040)
1.02
(0.040)
0.64
24 PLCS.
(0.025)
DIMENSIONS ARE:
MM
(INCHES)
0.30
(0.012)
0.99
(0.039)
02/06
*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.