SM51625EL Datasheet, PDF (1/2 Pages) Bourns Electronic Solutions – LAN 10/100/1000 Base-T (PoE+) Transformer

*RoHS ^COMPLIANT
LEAD ^FREE
Features
n Compliant with IEEE802.3 standards
n Designed for 10/100/1000 Base-T
and PoE+
n PoE up to 1.2 ADC per center tap
n RoHS compliant*
Applications
n LAN
n Ethernet
n Power over Ethernet - PoE+
SM51625EL LAN 10/100/1000 Base-T (PoE+) Transformer
Electrical Specifications @ 25 °C
Electrical Schematic
OLTeuC2@arn8Lk1sa(m0@gR0Aea1,ktI0iDnHo0dCz(uk,TcHB0Dt.izaa1:,MnsV0c)X..e...1)....(..±VT....5,D......%,....M........X0...8..S5.0.h1µµoCHHrTt)m:m1aCinxT.._{LVEREAoRDHSSFIORCNEOSEMATTPRC}^C_DLEIT1A^H₁₊^NITP*
SIDE
1
2
1CT : 1CT
LINE SIDE
24 MCT1
23 MX1+
DCR (TD):........................ 1.4 ohms max.
TD1– 3
22 MX1–
Cww (TD to MX) @ 100 kHz, 0.1 V
.............................................25 pF typ.
TCT2 4
TD2+ 5
1CT : 1CT
21 MCT2
20 MX2+
Hi-Pot (Pri to Sec)...... 1500 Vrms, 1 mA,

60 seconds
Insertion Loss (TD:MX)
0.3 to 1 MHz.....................-1.1 dB max.
TD2– 6
TCT3 7
TD3+ 8
1CT : 1CT
19 MX2–
18 MCT3
17 MX3+
1 to 65 MHz......................-0.8 dB max.
65 to 100 MHz.....................-1 dB max.
Return Loss (TD, MX w/100 W load)
TD3– 9
16 MX3–
1 to 40 MHz........................-16 dB min.
40 to 100 MHz................ -10+20*Log₁₀

(f/80 MHz) dB min.
TCT4 10
TD4+ 11
1CT : 1CT
15 MCT4
14 MX4+
Cross Talk (Between Each Channel)
1 to 30 MHz........................-41 dB min.
TD4– 12
13 MX4–
30 to 60 MHz......................-37 dB min.
60 to 100 MHz....................-33 dB min.
Common Mode Rejection (TD:MX)
0.3 to 100 MHz...................-30 dB min.
How To Order
SM51625 E L
PoE+ Current
Model
...............Up to 1.2 ADC per center tap
Packaging
Operating Temperature Range
E = Tape and Reel (350 pcs./reel)
...................................-40 °C to +85 °C
Termination
Storage Temperature Range
L = Tin (RoHS Compliant)
.................................-55 °C to +125 °C
Packaging Specifications
Tape & Reel........................ 350 pcs./reel
Reflow Solder Profile
290
250
TP
230
217
TL
170
125
+6 °C / SEC.
110 ^MAX.
+6 °C / SEC.
MAX.
10 SEC. MAX.
L
–6 °C / SEC.
MAX.
50
APPROX. 120 SEC.
60~150 SEC.
25
0
0
60
120
180
PREHEAT
FLUX
ACTIVATION
240
300
REFLOW
Time (Seconds)
360
420
COOLING
Product Dimensions
17.55 ± 0.25
(0.691 ± .010)
13.97 ± 0.20
(0.550 ± .008)
12.20 ± 0.25
(0.480 ± .010)
SM51625L
YYWW
16.00 ± 0.25
(0.630 ± .010)
PIN 1
DOT
1.27 ± 0.10
(0.050 ± .004)
0.46 ± 0.05
(0.018 ± .002)
0.25 ± 0.15
(0.010 ± .006)
0°–8°
1.10 ± 0.15
(0.043 ± .006)
6.00 ± 0.25
(0.236 ± .010)
0.10
(.004)
R
0.25 ± 0.10
(0.010 ± .004)
Recommended Layout
1.27
(0.050)
TYP.
13.97
(0.550)
TYP.
1.90
(0.075)
TYP.
16.60
(0.654)
TYP.
0.76
(0.030)
TYP.
DIMENSIONS:
DIMENSIONS: ^MM
(INCHES)
MM
(INCHES)
TOLERANCES:
±0.25
(±0.010)
*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.