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Cx Family Common Mode Chokes
0402CT Low Profile Chip Inductors
XAL7050 High-inductance Shielded Power Inductors
XGL4020 Ultra-low DCR Power Inductors

Flyback Transformers

for Power over Ethernet

RoHS compliant
  • Developed for Powered Devices (PD) in IEEE 802.3af compliant PoE applications
  • 6 Watt and 13 Watt output versions
  • 36 – 72 V input, 250 kHz switching frequency
  • Bias winding output: 12 V, 20 mA

Buy Now:
Count Unit price
1 $3.13
200 $2.69
600 $2.34
1000 $1.83
2400 $1.56
5000 $1.43

For high volume or non-stock items, request a quote.

. in stock, ready to ship today.
Request a Sample:
Designer's Kit:
Kit Values Price
C372 10 (2 of each) $50.00

Specifications

Electrical specifications at 25°C.

Samples of parts in red are available in Coilcraft Designer's Kit C372

Part number 1
(Hover for schematics)
Power (W) Inductance
at 0A (µH) 2
(Tolerance: ±10%)
Inductance
min (µH)
DCR max (Ω) 3 Leakage
Inductance
max (µH) 4
Turns Ratio 5 Isolation
Voltage (Vrms) 6
Secondary
Output (V, A) 7
Pri Sec Bias Pri : Sec : Bias
POE13F-18L_ 13 45.0 40.5 @ 2.3 A 0.195 0.005 0.195 7.9 1 : 0.07 : 0.36 1500 1.8 V , 7.2 A
POE13F-25L_ 13 35.0 31.5 @ 2.2 A 0.095 0.005 0.150 4.2 1 : 0.08 : 0.33 1500 2.5 V , 5.2 A
POE13F-33L_ 13 40.0 36.0 @ 2.2 A 0.138 0.007 0.180 3.4 1 : 0.11 : 0.36 1500 3.3 V , 3.9 A
POE13F-50L_ 13 40.0 36.0 @ 2.1 A 0.130 0.009 0.165 1.9 1 : 0.15 : 0.35 1500 5 V , 2.6 A
POE13F-12L_ 13 35.0 31.5 @ 2 A 0.095 0.017 0.150 0.6 1 : 0.35 : 0.35 1500 12 V , 1.1 A
POE60F-18L_ 6 75.0 67.5 @ 1.3 A 0.195 0.005 0.195 8.0 1 : 0.07 : 0.36 1500 1.8 V , 3.3 A
POE60F-25L_ 6 55.0 49.5 @ 1.2 A 0.095 0.005 0.150 4.6 1 : 0.08 : 0.33 1500 2.5 V , 2.4 A
POE60F-33L_ 6 65.0 58.5 @ 1.2 A 0.138 0.007 0.180 3.9 1 : 0.11 : 0.36 1500 3.3 V , 1.8 A
POE60F-50L_ 6 60.0 54.0 @ 1.1 A 0.130 0.009 0.165 2.3 1 : 0.15 : 0.35 1500 5 V , 1.2 A
POE60F-12L_ 6 55.0 49.5 @ 1.1 A 0.095 0.017 0.150 2.4 1 : 0.35 : 0.35 1500 12 V , 0.5 A
POE13F-19L_ 13 37.0 33.3 @ 2 A 0.085 0.025 0.150 0.4 1 : 0.57 : 0.35 1500 19.5 V , 0.67 A
POE13F-24L_ 13 37.0 33.3 @ 2 A 0.086 0.049 0.150 0.4 1 : 0.67 : 0.33 1500 24 V , 0.54 A
Notes
  1. When ordering, please specify packaging code: e.g. POE13F-12LD
  2. Inductance is for the primary, measured at 250 kHz, 0.3 Vrms.
  3. DCR for the primary and for the secondary are with the windings connected in parallel.
  4. Leakage inductance is for the primary windings with the secondary windings shorted.
  5. Turns ratios are with the primary the secondary windings connected in parallel.
  6. 1500 Vrms isolation primary and bias windings to secondary windings.
  7. Output of the secondary is with the windings connected in parallel. Bias winding output is 12 V, 20 mA.

Termination:

  • RoHS-compliant. 260°C compatible. Tin-silver over tin over nickel over phos bronze terminations. Other terminations available at additional cost.

Packaging:

  • D = 13″ machine-ready reel. EIA-481 embossed plastic tape (200 parts per full reel).
  • B = Less than full reel. In tape, but not machine ready. To have a leader and trailer added ($25 charge), use code letter D instead.
Environmental
Environmental:
RoHS compliant
Ambient temperature range:
–40°C to +125°C
Storage temperature range:
Component: –40°C to +125°C
Tape and reel packaging: –40°C to +80°C
Failures in Time (FIT) / Mean Time Between Failures (MTBF):

Schematics

poe_transs.gif

Primary windings and secondary windings
to be connected in parallel on PC board.

Physical characteristics

poe_transd.gif

Tape and Reel specification

tapereel_pl.gif

 
Parts per reel Reel dimensions (mm) Tape dimensions (mm) Orientation
13" (330 mm) A B C D E W P Po P1 H T part_or_c.gif
200 330 100 13 50,4 44,4 44 28 4 2 9,6 0,4

General specification

Core Material:
Ferrite
Weight:
5.0 – 5.6 g
Packaging:
200 per 13″ reel Plastic tape: 44 mm wide, 0.4 mm thick, 28 mm pocket spacing, 9.6 mm pocket depth

Soldering/Washing

Moisture Sensitivity Level (MSL):
1 (unlimited floor life at <30°C / 85% relative humidity)
Resistance to soldering heat:
Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles
Refer to Soldering Coilcraft Components before soldering.
PCB Washing:
Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. More info.

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