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For the detailed features please see the catalogue
Power Line Communication Transformers
resonant transformer
SML Series


Features

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.
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.
Cost-effective
Small footprint
Wide operating frequency range 10-500kHz
Up to 6000V Pri-Sec dielectric strength
80°C max ambient temperature
Custom versions on request
 
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
SMLE1601 990 µH -25%
+50%
1:1 32 43 mA 2.7 µH 293 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 2X375 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 SMLE16xx
a 14.3 power line modem
download file 3D .stp
a 17.3 power line modem
download file 3D .stp
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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