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
*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.
Electrical Specications @ 25 °C
Turns Ratio (TD:MX) ±5 % .......1CT:1CT
OCL (@100 kHz, 0.1 V,
28 mA, DC Bias) ............... 80 µH min.
Leakage Inductance (TD, MX Short)
@100 kHz, 0.1 V ............. 0.5 µH max.
DCR (TD): ....................... 1.4 ohms max.
Cww (TD to MX) @ 100 kHz, 0.1 V
............................................25 pF typ.
Hi-Pot (Pri to Sec)...... 1500 Vrms, 1 mA,
60 seconds
Insertion Loss (TD:MX)
0.3 to 1 MHz ....................-1.1 dB max.
1 to 65 MHz .....................-0.8 dB max.
65 to 100 MHz ....................-1 dB max.
Return Loss (TD, MX w/100 W load)
1 to 40 MHz .......................-16 dB min.
40 to 100 MHz ............... -10+20*Log
10
(f/80 MHz) dB min.
Cross Talk (Between Each Channel)
1 to 30 MHz .......................-41 dB min.
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.
PoE+ Current
..............Up to 1.2 ADC per center tap
Operating Temperature Range
..................................-40 °C to +85 °C
Storage Temperature Range
................................-55 °C to +125 °C
Electrical Schematic
Packaging Specications
Tape & Reel ....................... 350 pcs./reel
Product Dimensions
DIMENSIONS:
MM
(INCHES)
Recommended Layout
*RoHS COMPLIANT
LEAD FREE
*RoHS COMPLIANT
VERSIONS
AVAILABLE
LEAD FREE
VERSIONS ARE
RoHS COMPLIANT*
How To Order
SM51625 E L
Model
Packaging
E = Tape and Reel (350 pcs./reel)
Termination
L = Tin (RoHS Compliant)
2
1
3
TD1+
TCT1
TD1–
23
24
22
MX1+
MCT1
MX1–
LINE SIDECHIP SIDE
1CT : 1CT
5
4
6
TD2+
TCT2
TD2–
20
21
19
MX2+
MCT2
MX2–
1CT : 1CT
8
7
9
TD3+
TCT3
TD3–
17
18
16
MX3+
MCT3
MX3–
1CT : 1CT
11
10
12
TD4+
TCT4
TD4–
14
15
13
MX4+
MCT4
MX4–
1CT : 1CT
13.97
(0.550)
TYP.
TYP.
TYP.
TYP.
13.97 ± 0.20
(0.550 ± .008)
17.55 ± 0.25
(0.691 ± .010)
0.76
(0.030)
MM
(INCHES)
DIMENSIONS:
±0.25
(±0.010)
TOLERANCES:
1.27
(0.050)
0.46 ± 0.05
(0.018 ± .002)
0.10
(.004)
R
1.10 ± 0.15
(0.043 ± .006)
1.27 ± 0.10
(0.050 ± .004)
PIN 1
DOT
0.25 ± 0.15
(0.010 ± .006)
0 ° – 8 °
0.25 ± 0.10
(0.010 ± .004)
1.90
(0.075)
TYP.
16.60
(0.654)
16.00 ± 0.25
(0.630 ± .010)
12.20 ± 0.25
(0.480 ± .010)
6.00 ± 0.25
(0.236 ± .010)
SM51625L
YYWW
Reow Solder Prole
L
0
060120 180240 300360 420
50
110
170
230
290
25
125
217
250
APPROX. 120 SEC. 60~150 SEC.
PREHEAT
FLUX
ACTIVATION
REFLOW COOLING
Temperature (°C)
10 SEC. MAX.
+6 °C / SEC.
MAX.
+6 °C / SEC.
MAX.
–6 °C / SEC.
MAX.
Time (Seconds)
T
P
T
L
