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120 W PoE SMT Planar Transformers for Active Clamp Forward Topology

  • Designed for active clamp forward topology
  • Operates at 200 kHz with 36 – 72 V input
  • Isolation (hipot): 1500 Vrms one minute primary and aux to secondary
  • Provides 0.229 mm clearance above the seating plane
  • RoHS-compliant. 260°C compatible. Matte tin over nickel over brass terminations

SPECIFICATIONS


Part number1
Click to get parts
Inductance2
±20% (µH)
DCR Max (mOhms)3 Leakage
L max4
(µH)
Turns ratio Output
pri sec aux pri sec aux
POE120PL-33L_ 50 27.6 1.26 270 0.70 6 1 3.5 3.3 V, 36 A
POE120PL-50L_ 50 18.9 1.26 123 0.31 4 1 2.5 5.0 V, 24 A
POE120PL-12L_ 50 18.9 6.80 58.5 0.37 2 1 1 12 V, 10 A
POE120PL-24L_ 50 18.9 13.6 58.5 0.39 1 1 0.5 24 V, 5 A
1 When ordering, please specify packaging code: e.g. POE120PL-33LD
Packaging: Blank = In trays, 36 per tray
D = Optional tape and reel (additional cost), 13" machine-ready reel
EIA 481 embossed plastic tape (See tape and reel specifications) Factory order only, not stocked.
B = Optional tape and reel (additional cost), less than full reel
In tape, but not machine-ready. To have a leader and trailer added ($25 charge), use code letter D instead. Factory order only, not stocked.
2 Inductance is for the primary, measured at 200 kHz, 0.5 Vrms, 0 Adc
3 DCR measured at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
4 Leakage inductance is for the primary with the secondary windings shorted.
5 Ambient temperature range: −40°C to +125°C
6 Storage temperature range: Component: −40°C to +125°C
Tape and reel packaging: −40°C to +80°C
7 Maximum part temperature: +165°C (Ambient + temperature rise)
8 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.
9 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.

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Updated: October 30, 2017