Datasheet 3D Models

Miniature Flyback Transformers

for Power over Ethernet

Developed for Powered Devices (PD) in 6 Watt IEEE 802.3af compliant PoE applications
36 – 72 V input
Versions for continuous and discontinuous modes of operation
12 V, 20 mA bias winding output
Custom versions available
Samples of all values are available in Coilcraft Designer's Kit C382

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Count	Unit price
1	$3.03
400	$2.79
800	$2.37
1200	$1.98
2400	$1.78
5000	$1.62

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

Termination

L = Tin-silver over tin over nickel

Packaging

D = 13" machine-ready reel

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Designer's Kit:

Kit	Values	Price
C382	10 (2 of each)	$50.00

Specifications

Electrical specifications at 25°C.

Continious mode: Designed to remain in continuous mode operation at power levels of 3 Watts and above.

Discontinuous mode

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	Isolation Voltage (Vrms) 5	Secondary Output (V, A) 6
Part number 1 (Hover for schematics)	Power (W)	Inductance at 0A (µH) 2 (Tolerance: ±10%)	Inductance min (µH)	Pri	Sec	Bias	Leakage Inductance max (µH) 4	Pri : Sec : Bias	Isolation Voltage (Vrms) 5	Secondary Output (V, A) 6
POE60D-18L_	6	75.0	75.0 @ 1 A	0.311	0.018	0.575	6.7	1 : 0.063 : 0.344	1500	1.8 V , 3.3 A
POE60D-25L_	6	80.0	80.0 @ 0.95 A	0.219	0.018	0.388	5.0	1 : 0.083 : 0.333	1500	2.5 V , 2.4 A
POE60D-33L_	6	85.0	85.0 @ 0.9 A	0.285	0.026	0.530	4.0	1 : 0.1 : 0.333	1500	3.3 V , 1.8 A
POE60D-50L_	6	90.0	90.0 @ 0.85 A	0.271	0.033	0.529	3.1	1 : 0.143 : 0.357	1500	5 V , 1.2 A
POE60D-12L_	6	95.0	95.0 @ 0.8 A	0.265	0.074	0.484	2.4	1 : 0.333 : 0.333	1500	12 V , 0.5 A

Continuous mode

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	Isolation Voltage (Vrms) 5	Secondary Output (V, A) 6
Part number 1 (Hover for schematics)	Power (W)	Inductance at 0A (µH) 2 (Tolerance: ±10%)	Inductance min (µH)	Pri	Sec	Bias	Leakage Inductance max (µH) 4	Pri : Sec : Bias	Isolation Voltage (Vrms) 5	Secondary Output (V, A) 6
POE60C-18L_	6	167.0	150.3 @ 0.62 A	0.303	0.017	0.570	7.8	1 : 0.063 : 0.344	1500	1.8 V , 3.3 A
POE60C-25L_	6	177.0	159.3 @ 0.6 A	0.353	0.027	0.660	7.0	1 : 0.083 : 0.333	1500	2.5 V , 2.4 A
POE60C-33L_	6	184.0	165.6 @ 0.57 A	0.286	0.026	0.515	4.0	1 : 0.1 : 0.333	1500	3.3 V , 1.8 A
POE60C-50L_	6	193.0	173.7 @ 0.55 A	0.344	0.043	0.660	8.0	1 : 0.143 : 0.343	1500	5 V , 1.2 A
POE60C-12L_	6	204.0	183.6 @ 0.52 A	0.293	0.083	0.545	5.8	1 : 0.333 : 0.333	1500	12 V , 0.5 A

Notes

When ordering, please specify packaging code: e.g. POE60D-12LD
Inductance is for the primary, measured at 250 kHz, 0.1 Vrms, 0 Adc.
DCR measured at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
Leakage inductance is for the primary winding with the secondary winding shorted.
1500 Vrms winding to winding isolation.
Output of the secondary is with the windings connected in parallel. Bias winding output is 12 V, 0.2 A.

Designed to remain in continuous mode operation at power levels of 3 Watts and above.

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 (400 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):

See FIT/MTBF Calculations

Schematics

The primary windings and the
secondary windings are to be connected
in parallel on the PC board.

Physical characteristics

Tape and Reel specification

Parts per reel	Reel dimensions (mm)					Tape dimensions (mm)						Orientation
13" (330 mm)	A	B	C	D	E	W	P	Po	P1	H	T
400	330	100	13	38,4	32,4	32	20	4	2	7,6	0,4

General specification

Core Material:

Ferrite

Weight:

2.6 – 2.9 g

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 with pure water or alcohol only. More info.

Warehouses

Language settings

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Miniature Flyback Transformers

for Power over Ethernet

Selected configuration not available

Specifications

Discontinuous mode

Continuous mode

Termination:

Packaging:

Schematics

Physical characteristics

Tape and Reel specification

General specification

Soldering/Washing

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Warning