3~27W PoE High Frequency Power Transformer with SMD Package / Over 32 Years Power Supply & Magnetic Components Manufacturer | YUAN DEAN SCIENTIFIC CO., LTD.

PoE 3W~27W SMD High Frequency Transformer / YDS was established in 1990 at Tainan, Taiwan and our factory Ho Mao electronics was established in 1995 at Xiamen, China. We are the leading electronic manufacturer with ISO 9001, ISO 14001 and IATF16949 certified.

EP core 3W~27W SMD High Frequency Transformer for PoE Application - PoE 3W~27W SMD High Frequency Transformer
  • EP core 3W~27W SMD High Frequency Transformer for PoE Application - PoE 3W~27W SMD High Frequency Transformer

EP core 3W~27W SMD High Frequency Transformer for PoE Application

PoE EP Series

3~27W PoE High Frequency Power Transformer with SMD Package

3~27W High frequency transformer with EP core. EP series are designed for 200KHz switching frequency. It can be used in PoE Applications.

Yuan Dean can provide high efficiency production solutions and customized products.

Any OEM/ ODM requirement is welcome. We look forward to cooperating with you!

Features
  • Transformers for power over ethernet (PoE).
  • Designed for 200KHz switching frequency.
  • Power: 3W ~ 27W
  • Hipot voltage: 1500 Vrms
  • Custom designs available.
Applications
  • computer equipment.
  • Internet equipment.
  • AC main power supply system.
  • industrial control.
  • telecom equipment.
Specification
  • Operating temperature range: -40°C to +125°C
  • Storage temperature range: -55°C to +125°C
  • Solder reflow temperature: +245°C for 10 second max
  • RoHS Compliant version is available.
EP7 8PIN SMD
Part Number Turn Ratio
Pri:Sec:AUX
L ②
(uH ± 10%)
Input LK ③
Max (uH)
DCR ④
(Ohms MAX)
Output Voltage
Pri Aux Sec
07SEP-5011SNL 1:0.083:0.208 500 33 ~ 57V, 200KHZ 7.5 1.75 0.215 0.015 Vo=3.3V/3W, 8V/20mA
07SEP-3111SNL 1:0.182:0.682 310 33 ~ 57V, 200KHZ 5.0 1.60 2.60 0.045 Vo=3.3V/3W, 12V/20mA
07SEP-5012SNL 1:0.125:0.208 500 33 ~ 57V, 200KHZ 7.5 1.75 0.215 0.035 Vo=5.00V/3W, 8V/20mA
07SEP-3112SNL 1:0.273:0.682 310 33 ~ 57V, 200KHZ 5.0 1.60 2.65 0.087 Vo=5.00V/3W, 12V/20mA
07SEP-5211SNL 1:0.286:0.204 521 33 ~ 57V, 200KHZ 7.5 1.75 0.22 0.100 Vo=12V/3W, 8V/20mA
07SEP-3113SNL 1:0.682:0.682 310 33 ~ 57V, 200KHZ 5.0 1.60 2.60 0.55 Vo=12V/3W, 12V/20mA

① Turns ratio is with the secondary windings connected in parallel.
② L(NOM) = Nominal Inductance is for pri winding, measured at 200KHz,0.1Vrms,0Adc.
③ Leakage inductance measured between Pri other pins shorted.
④ DCR for the secondary windings connected in parallel.
⑤ Output is with the secondary windings connected in parallel.

EP10 8PIN SMD
Part Number Turn Ratio
Pri:Sec:AUX
L ②
(uH ± 10%)
Input LK ③
Max (uH)
DCR ④
(Ohms MAX)
Schematic Output Voltage
Pri Aux Sec
10SEP-2502TNL 1:0.100:0.150 25.2 36 ~ 72V,
300KHZ
2.0 0.25 0.02 0.0035 B Vo=3.3V/10W, 5V/100mA
10SEP-2512SNL 1:0.083:0.208 253 33 ~ 57V,
200KHZ
7.5 0.42 0.115 0.0075 A Vo=3.3V/7W, 8V/20mA
10SEP-1511SNL 1:0.182:0.682 155 33 ~ 57V,
200KHZ
5.0 0.53 0.90 0.031 A Vo=3.3V/7W, 12V/20mA
10SEP-2001SNL 1:0.222:0.555 20.4 9 ~ 50V,
200KHZ
1.5 0.08 0.15 0.0075 A Vo=3.3V/10W, 8V/20mA
10SEP-2001FNL 1:0.444:0.388 20.4 9 ~ 50V,
200KHZ
1.5 0.08 0.105 0.03 A Vo=3.3V/10W, 5V/20mA
10SEP-2513SNL 1:0.125:0.208 253 33 ~ 57V,
200KHZ
7.5 0.42 0.115 0.016 A Vo=5V/7W, 8V/20mA
10SEP-1512SNL 1:0.273:0.682 155 33 ~ 57V,
200KHZ
5.0 0.57 1.00 0.040 A Vo=5V/7W, 12V/20mA
10SEP-2611SNL 1:0.286:0.204 264 33 ~ 57V,
200KHZ
7.5 0.80 0.115 0.045 A Vo=12V/7W, 8V/20mA
10SEP-1611SNL 1:0.682:0.682 155 33 ~ 57V,
200KHZ
5.0 0.54 0.92 0.37 A Vo=12V/7W, 12V/20mA

① Turns ratio is with the secondary windings connected in parallel.
② L(NOM) = Nominal Inductance is for pri winding, measured at 200KHz, 0.1Vrms, 0Adc.
③ Leakage inductance measured between Pri with other pins shorted.
④ DCR for the secondary windings connected in parallel. 
⑤ Output is with the secondary windings connected in parallel.

EP13 10PIN SMD
Part Number Turn Ratio
Pri:Sec:AUX
L ②
(uH ± 10%)
Input LK ③
Max (uH)
DCR ④
(Ohms MAX)
Schematic Output Voltage
Pri Aux Sec
13SEP-1213ZNL 1:0.083:0.208 127 33 ~ 57V,
200KHZ
7.5 0.44 0.088 0.006 A Vo=3.3V/13.5W, 8V/20mA
13SEP-1611AUNL 1:0.167:0.639 155.5 33 ~ 57V,
200KHZ
5.0 0.33 0.65 0.011 B Vo=3.3V/11W, 12V/20mA
13SEP-7801ZNL 1:0.182:0.682 77.4 33 ~ 57V,
200KHZ
5.0 0.10 0.27 0.0085 A Vo=3.3V/13.5W, 12V/20mA
13SEP-1212ZNL 1:0.125:0.208 127 33 ~ 57V,
200KHZ
7.5 0.46 0.094 0.012 A Vo=5V/13.5W, 8V/20mA
13SEP-7701ZNL 1:0.273:0.682 77.4 33 ~ 57V,
200KHZ
0.8 0.22 0.25 0.018 A Vo=5V/13.5W, 12V/20mA
13SEP-1211ZNL 1:0.292:0.208 127 33 ~ 57V,
200KHZ
7.5 0.46 0.094 0.055 A Vo=12V/13.5W, 8V/20mA
13SEP-7802ZNL 1:0.682:0.682 77.4 33 ~ 57V,
200KHZ
5.0 0.10 0.27 0.075 A Vo=12V/13.5W, 12V/20mA
13SEP-2801ZNL 1:0.470:0.294 28.9 33 ~ 57V,
200KHZ
1.0 0.058 0.055 0.027 A Vo=15V/27W, 8V/20mA

① Turns ratio is with the secondary windings connected in parallel.
② L(NOM) = Nominal Inductance is for pri winding, measured at 200KHz, 0.2Vrms, 0Adc.
③ Leakage inductance measured between Pri with other pins shorted.
④ DCR for the secondary windings connected in parallel.
⑤ Output is with the secondary windings connected in parallel.

Certification
Mechanicals and Dimensions
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High Frequency Transformer for PoE Solution PoE EP Series
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3~27W PoE Solution SMD High Frequency Transformer PDF Catalogue

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EP core 3W~27W SMD High Frequency Transformer for PoE Application - 3~27W PoE High Frequency Power Transformer with SMD Package | Taiwan-Based Power Supply & Magnetic Components Manufacturer | YUAN DEAN SCIENTIFIC CO., LTD.

Based in Taiwan since 1990, YUAN DEAN SCIENTIFIC CO., LTD. has been a power converter, transformer, magnetic components manufacturer in Electronic Components Industry. Their main products, include EP core 3W~27W SMD High Frequency Transformer for PoE Application, DC-DC Converters, AC-DC Converters, RJ45 Magnetics, Converter Transformers, LAN Filters, High Frequency Transformers, POE Transformers, Inductors and LED drivers, which are RoHS approved with ERP system implemented.

YDS was established in 1990 at Tainan, Taiwan and our factory Ho Mao electronics was established in 1995 at Xiamen, China. We are the leading electronic manufacturer with ISO 9001, ISO 14001 and IATF16949 certified. We Produce various products such as DC/DC converter, AC/DC converter, RJ45 with magnetics, 10/100/1G/2.5G/10G Base-T Lan filter, all kinds of Transformer, Inductor, LED Driver/Lighting products and Power bank. ISO 9001 & ISO 14001, IATF16949 certified power converter, high frequency transformer, magnetic component with reliable EMC and EMI / EMS / EDS lab tests. Power converter solutions for medical, railway, POE, etc.

YDS has been offering customers high-quality power supply and magnetic components, both with advanced technology and 25 years of experience, YDS ensures each customer's demands are met.