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PFD2015-272ME Dataheets PDF



Part Number PFD2015-272ME
Manufacturers Coilcraft
Logo Coilcraft
Description Coupled Inductors
Datasheet PFD2015-272ME DatasheetPFD2015-272ME Datasheet (PDF)

Document 1005F-1 Coupled Chip Inductors  PFD2015 ForFlyback,SEPIC,Zeta and other applications With a footprint of 2.2 × 1.45 mm, the PFD2015 is Coilcraft’s smallest shielded coupled inductor. It is ideal for use in a variety of circuits including flyback, multi-output buck, SEPIC and Zeta. These inductors provide high efficiency and excellent current handling for parts this small. They can also be used as two single inductors connected in series or parallel, as common mode chokes or as wideband.

  PFD2015-272ME   PFD2015-272ME


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Document 1005F-1 Coupled Chip Inductors  PFD2015 ForFlyback,SEPIC,Zeta and other applications With a footprint of 2.2 × 1.45 mm, the PFD2015 is Coilcraft’s smallest shielded coupled inductor. It is ideal for use in a variety of circuits including flyback, multi-output buck, SEPIC and Zeta. These inductors provide high efficiency and excellent current handling for parts this small. They can also be used as two single inductors connected in series or parallel, as common mode chokes or as wideband transformers. + D L1 L2 C VIN C SW – Typical Flyback Converter + VOUT – 02.0,2990max 0.059 1,5 max 1 L1 2 4 L2 3 0.054 1,36 0.010 0,25 0.014 ±0.003 0.028 0.044 0,356 ±0,076 0,711 1,118 0.016 0,406 1 24 3 0.060 1,52 max 4 31 2 0.017 0,432 Dimensions are in inches mm Recommended 0.022 Land Pattern 0,559 L2 D C + VOUTAUX – ++ L1 VIN SW D C VOUT –– Typical Buck Converter with auxiliary output + VIN C L1 Q C1 L2 D C + VOUT –– Typical SEPIC schematic + VIN C Q C1 L1 L2 DC + VOUT –– Typical Zeta schematic Specifications subject to change without notice. Document 1005F-1  Revised 09/08/15 Please check our website for latest information. Document 1005F-2 PFD2015 Coupled Inductors for SEPIC applications   Inductance2   Part number1 ±20% (µH) PFD2015-102ME_ PFD2015-122ME_ PFD2015-182ME_ PFD2015-272ME_ PFD2015-332ME_ 1.0 1.2 1.8 2.7 3.3 PFD2015-472ME_ 4.7 PFD2015-682ME_ 6.8 PFD2015-822ME_ 8.2 PFD2015-103ME_ 10 DCR SRF Coupling Leakage   max3   typ4 coefficient  inductance5 (Ohms) (MHz) typ typ (µH) 0.165 380 0.175 310 0.294 265 0.477 220 0.670 180 0.97 0.97 0.97 0.97 0.97 0.065 0.071 0.110 0.162 0.200 1.00 1.75 2.50 3.40 160 130 125 110 0.97 0.97 0.97 0.97 0.285 0.415 0.500 0.590  Isat (A)6      Irms (A) 10% 20% 30% both one drop drop drop   windings7   winding8 0.85 1.10 1.30 0.80 1.05 1.20 0.70 0.85 1.00 0.65 0.82 0.88 0.57 0.71 0.77 0.800 1.13 0.750 1.06 0.490 0.690 0.410 0.580 0.370 0.525 0.44 0.55 0.60 0.37 0.42 0.47 0.35 0.38 0.42 0.30 0.34 0.37 0.260 0.370 0.187 0.265 0.150 0.210 0.130 0.185 1. When ordering, please specify packaging code: Coupled Inductor Core and Winding Loss Calculator PFD2015-103MEC Packaging: C = 7″ machine-ready reel. EIA-481 embossed plastic tape (2000 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. This web-based utility allows you to enter frequency, peak-to-peak (ripple) current, and Irms current to predict temperature rise and overall losses, including core loss. Go to online calculator. D = 13″ machine-ready reel. EIA-481 embossed plastic tape. Factory order only, not stocked (7500 parts per full reel). 2. Inductance shown for each winding, measured at 100 kHz, 0.1 Vrms, 0 Adc on an Agilent/HP 4284A LCR meter or equivalent. When leads are connected in parallel, inductance is the same value. When leads are connected in series, inductance is four times the value. 3. DCR is for each winding. When leads are connected in parallel, DCR is half the value. When leads are connected in series, DCR is twice the value. 4. SRF measured using an Agilent/HP8753 or equivalent. When leads are connected in parallel, SRF is the same value. 5. Leakage inductance is for the primary winding with the secondary windings shorted. 6. DC current, at which the inductance drops the specified amount from its value without current. It is the sum of the current flowing in both windings. 7. Equal current when applied to each winding simultaneously that causes a 40°C temperature rise from 25°C ambient. See temperature rise calculation. 8. Maximum current when applied to one winding that causes a 40°C temperature rise from 25°C ambient. See estimated temperature rise calculation. 9. Electrical specifications at 25°C. Refer to Doc 639 “Selecting Coupled Inductors for SEPIC Applications.” Refer to Doc 362 “Soldering Surface Mount Components” before soldering. PFD2015 Coupled Inductors for Flyback applications   Part number1   Inductance   at 0 A2 ±20% (µH) Inductance DCR Leakage   at Ipk A3 max  inductance4 Turns   Ipk3 ±20% (µH) (Ohms) typ (µH) ratio (A) PFD2015-102ME_ 1.0 PFD2015-122ME_ 1.2 PFD2015-182ME_ 1.8 PFD2015-272ME_ 2.7 PFD2015-332ME_ 3.3 PFD2015-472ME_ 4.7 PFD2015-682ME_ 6.8 PFD2015-822ME_ 8.2 PFD2015-103ME_ 10 0.70 0.84 1.26 1.89 2.37 3.29 1.76 5.74 7.00 0.165 0.065 1 : 1 0.175 0.071 1 : 1 0.294 0.110 1 : 1 0.477 0.162 1 : 1 0.670 0.200 1 : 1 1.00 1.75 2.50 3.40 0.285 1 : 1 0.415 1 : 1 0.500 1 : 1 0.590 1 : 1 1.30 1.20 1.00 0.88 0.77 0.60 0.47 0.42 0.37 1. When ordering, please specify packaging code: PFD2015-103MEC Packaging: C = 7″ machine-ready reel. EIA-481 embossed plastic tape (2000 parts per full reel). B =.


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