Datasheet 3D Models

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
Provides 0.229 mm clearance above the seating plane
AEC-Q200 qualified

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Count	Unit price
1	$8.09
100	$6.93
250	$5.55
500	$4.82
1000	$4.19

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Specifications

Electrical specifications at 25°C.

Part number 1 (Hover for schematics)	Power (W)	Inductance at 0A (µH) 2 (Tolerance: ±20%)	DCR max (mΩ) 3			Leakage Inductance max (µH) 4	Turns Ratio	Volt-time product (V-µs) 5	Isolation Voltage (Vrms) 6	Secondary Output (V, A)
Part number 1 (Hover for schematics)	Power (W)	Inductance at 0A (µH) 2 (Tolerance: ±20%)	Pri	Sec	Aux	Leakage Inductance max (µH) 4	Pri : Sec : Aux	Volt-time product (V-µs) 5	Isolation Voltage (Vrms) 6	Secondary Output (V, A)
POE120PL-33L	120	50	27.6	1.26	270	0.70	1 : 0.167 : 0.583	225	1500	3.3 V , 36 A
POE120PL-50L	120	50	18.9	1.26	123	0.31	1 : 0.25 : 0.625	150	1500	5 V , 24 A
POE120PL-12L	120	50	18.9	6.8	58.5	0.37	1 : 0.5 : 0.5	150	1500	12 V , 10 A
POE120PL-24L	120	50	18.9	13.6	58.5	0.39	1 : 1 : 0.5	150	1500	24 V , 5 A

Notes

When ordering, please specify packaging code: e.g. POE120PL-24LD
Inductance is for the primary, measured at 200 kHz, 0.5 Vrms, 0 Adc.
DCR measured at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
Leakage inductance is for the primary with the secondary windings shorted.
Volt-time product is based on primary winding pins 2, 5.
Isolation (hipot): 1500 Vrms one minute primary and aux to secondary.

Termination:

RoHS-compliant. 260°C compatible. Matte tin over nickel over brass terminations.

Packaging:

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 on page 2. Factory order only, not stocked. Quantities less than full reel available: in tape (not machine ready) or with leader and trailer ($25 charge).
B = Less than full reel. In an effort to simplify our part numbering system, Coilcraft is eliminating the need for multiple packaging codes. When ordering, simply change the last letter of your part number from B to D.

Environmental

Environmental:

RoHS compliant

Ambient temperature range:

–40°C to +125°C

Storage temperature range:

Component: –40°C to +125°C.
Tray or tape and reel packaging: –40°C to +80°C

Maximum part temperature:

+165°C (ambient + temp rise)

Failures in Time (FIT) / Mean Time Between Failures (MTBF):

See FIT/MTBF Calculations

Schematics

Physical characteristics

Tape and Reel specification

Part number	Parts per reel	Reel dimensions (mm)					Tape dimensions (mm)
	13" (330 mm)	A	B	C	D	E	W	P	Po	P1	H	T
POE120PL-12	250	300	100	13	50,4	44,4	44	28	4	2	9,4	0,5
POE120PL-24	200	300	100	13	50,4	44,4	44	28	4	2	9,98	0,5
POE120PL-33	200	300	100	13	50,4	44,4	44	28	4	2	10,68	0,5
POE120PL-50	250	300	100	13	50,4	44,4	44	28	4	2	9,78	0,5

General specification

Core Material:

Ferrite

Weight:

11.1 – 11.9 g

Packaging:

Optional tape and reel packaging (additional cost). Factory order only, not stocked.
POE120PL-12: 250/13″ reel Plastic tape: 44 mm wide, 0.5 mm thick, 28 mm pocket spacing, 9.40 mm pocket depth
POE120PL-24: 200/13″ reel Plastic tape: 44 mm wide, 0.5 mm thick, 28 mm pocket spacing, 9.98 mm pocket depth
POE120PL-33: 200/13″ reel Plastic tape: 44 mm wide, 0.5 mm thick, 28 mm pocket spacing, 10.68 mm pocket depth
POE120PL-50: 250/13″ reel Plastic tape: 44 mm wide, 0.5 mm thick, 28 mm pocket spacing, 9.78 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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120 W PoE SMT Planar Transformers

for Active Clamp Forward Topology

Selected configuration not available

Specifications

Termination:

Packaging:

Schematics

Physical characteristics

Tape and Reel specification

General specification

Soldering/Washing

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Warning