High Power Flyback Transformers for Power over Ethernet (PoE) | Coilcraft
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High Power Flyback Transformers
for Power over Ethernet

  • Developed for Flyback DC/DC PoE Powered Devices (PD) power converters up to 71 W
  • Designed to meet IEEE802.3bt standard and operates with 36 – 57 V input
  • Perfect solution for high power PoE applications including Smart Building and IoT
  • 1500 Vrms, one minute isolation (hipot) between primary and auxillary to secondary
  • RoHS-compliant, halogen free. 260°C compatible. Tin-silver-copper over tin over nickel over phos bronze terminations

SPECIFICATIONS


Part number1
Click to get parts
Power
(W)
Inductance2
at 0 A
±10%(µH)
DCR (mOhms) Leakage3
inductance
max (µH)
Turns ratio Isat4
(A)
Output5
pri sec aux pri : sec : aux
POE62F-33ED 62 22.2 34.9 2 130 0.50 1 : 0.143 : 0.50 5.4 3.3 V, 17.1 A
POE62F-50ED 62 22.2 34.9 2.8 130 0.38 1 : 0.214 : 0.50 5.4 5 V, 11.3 A
POE62F-12ED 62 17.8 18.9 9.2 108 0.17 1 : 0.5 : 0.50 5.7 12 V, 4.7 A
POE62F-24ED 62 17.8 18.9 36.3 108 0.12 1 : 1 : 0.50 5.7 24 V, 2.4 A
POE62F-48ED 62 17.8 18.9 140 108 0.11 1 : 2 : 0.50 5.7 48 V, 1.2 A
POE71F-33ED 71 18.9 34.9 2 130 0.50 1 : 0.143 : 0.50 6.3 3.3  V, 19.7 A
POE71F-50ED 71 18.9 34.9 2.8 130 0.38 1 : 0.214 : 0.50 6.3 5 V, 13 A
POE71F-12ED 71 15.5 18.9 9.2 108 0.17 1 : 0.5 : 0.50 6.6 12 V, 5.4 A
POE71F-24ED 71 15.5 18.9 36.3 108 0.12 1 : 1 : 0.50 6.6 24 V, 2.7 A
POE71F-48ED 71 15.5 18.9 140 108 0.11 1 : 2 : 0.50 6.6 48 V, 1.35 A
1 Packaging: D = 13" machine-ready reel
EIA 481 embossed plastic tape (175 parts per full reel). Quantities less than full reel available: in tape (not machine ready) or with leader and trailer ($25 charge).
2 Inductance is for the primary, measured at 250 kHz, 0.5 Vrms, 0 Adc
3 Leakage inductance is for the primary with the secondary and aux windings shorted.
4 DC current at 25°C that causes an inductance drop of <10% from its value without current.
5 Output is for the secondary. Output of the aux winding is 12 V, 30 mA.
6 Ambient temperature range: −40°C to +125°C
7 Maximum part temperature: +165°C (ambient + temperature rise)
8 Storage temperature range: Component: −40°C to +165°C
Tape and reel packaging: −40°C to +80°C
9 Resistance to soldering heat: Three reflows at >217°C for 90 seconds (+260°C ±5°C for 20 – 40 seconds), allowing parts to cool to room temperature between.
10 Electrical specifications at 25°C.
Refer to Soldering Coilcraft Components before soldering.
PCB washing: Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. More info.

Your comments and suggestions are welcome. Contact [email protected]
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Updated: March 04, 2019