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Power Line Communication Transformers |
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SML Series
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Features
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Transformers for "Powerline communications" Utilised as the primary point of isolation between the communicating node and the "distributed power line" when trafficking data over Smart Grids.
Some examples of their use are remote meter reading of electricity meters, remote lighting control and regulation for street illumination, home automation etc. |
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Designed for FSK, PSK, OFDM, G3-PLC, etc. power line modem based on ST Microelectronics ST75xx, Maxim MAX298x-MAX299x-
MAX7049, Teridian 71M6xxx, Echelon PL31x0, Cypress CY8CPLC10-CY8CLED16P01, Texas Instruments PGA112AIDGSxx-
OPA564AIDWPR, TMS320F28xx, AFE031, NXP TDA5051, etc. |
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Cost-effective |
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Small footprint |
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Wide operating frequency range 10-500kHz |
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Up to 6000V Pri-Sec dielectric strength |
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80°C max ambient temperature |
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Custom versions on request |
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For detailed technical informations please request ITACOIL GENERAL CATALOGUE |
| Code |
Primary
Inductance |
Turns
Ratio |
Primary
VµSec |
DC bias
max |
Leakage
Induct.
typ |
DCR Prim
max |
DCR sec
max |
Pri-Sec
Dielectric
Strength |
Creepage
min |
Pri-Sec
Capacitance
typ |
| SMLEP1301 |
1030 µH ±30% |
1:1 |
28 |
22 mA |
2.0 µH |
215 mΩ |
215 mΩ |
3.0 kV |
3.0 mm |
15 pF |
| SMLEP1302 |
610 µH ±30% |
1:(1+1) |
21 |
39 mA |
2.0 µH |
153 mΩ |
2X118 mΩ |
3.0 kV |
3.0 mm |
15 pF |
| SMLEP1303 |
1370 µH ±30% |
1:(1+1) |
32 |
33 mA |
2.4 µH |
455 mΩ |
2X350 mΩ |
3.0 kV |
3.0 mm |
12 pF |
| SMLEP1601 |
990 µH ±30% |
1:1 |
32 |
43 mA |
2.7 µH |
255 mΩ |
233 mΩ |
6.0 kV |
6.0 mm |
15 pF |
| SMLE1602 |
730 µH ±35% |
1:(1+1) |
19 |
43 mA |
3.1 µH |
310 mΩ |
2152X375 mΩ |
6.0 kV |
6.0 mm |
25 pF |
Actual temperature of the transformers should not exceed 100°C. Windings DCR value in worst condition must be ≤ (DCR at 20C° * 1,3). Measure it after thermal
rising and immediately, it decrease quickly.
| Dimensions |
mm |
SMLEP13xx |
Dimensions |
mm |
SMLEP16xx |
a  |
14.3 |
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a |
17.3 |
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| b |
14.5 |
b |
19.2 |
| h |
13.2 |
h |
14.2 |
x  |
5.0 |
x |
3.2 |
| y |
10,0 |
y |
15.5 |
| d |
0.5 |
d |
Ø0.7 |
l  |
3.0 |
l |
2.8 |
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