POE120PL

Document 1233-1
120 W PoE Planar Transformers
For Active Clamp
Forward Topology
• Designed for active clamp forward topology
• Operates at 200 kHz, with 36 – 72 Volt input
• High efficiency; excellent DCR; very low leakage inductance
• Isolation:1500 Vrms one minute primary and aux to secondary.
• Provides 0.009″ (0.229 mm) clearance above the seating plane
• Includes a 12-Volt auxiliary winding
Core material Ferrite
Terminations Matte tin over nickel over brass.
Weight 11.1 – 11.9 g
Ambient temperature –40°C to +125°C
Maximum part temperature +165°C (ambient + temp rise)
Storage temperature Component: –40°C to +125°C.
Tray or tape and reel packaging: –40°C to +80°C
Resistance to soldering heat Max three 40 second reflows at
+260°C, parts cooled to room temperature between cycles
Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C /
85% relative humidity)
Failures in Time (FIT) / Mean Time Between Failures (MTBF)
38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332
Packaging 36 per tray (standard; tape and reel optional)
PCB washing Tested to MIL-STD-202 Method 215 plus an additional
aqueous wash. See Doc787_PCB_Washing.pdf.
Inductance2
Part number1
±20% (µH)
POE120PL-33L_
50
POE120PL-50L_50
POE120PL-12L_50
POE120PL-24L_50
DCR max
(mOhms)
pri : sec : aux
27.6 : 1.26 : 270
18.9 : 1.26 : 123
18.9 : 6.80 : 58.5
18.9 : 13.6 : 58.5
Leakage
inductance3
max (µH)
0.70
0.31
0.37
0.39
Turns ratio
pri : sec : aux
6 : 1 : 3.5
4 : 1 : 2.5
2 : 1 : 1
1 : 1 : 0.5
Output
3.3 V, 36 A
5.0 V, 24 A
12 V, 10 A
24 V, 5 A
1. When ordering, please specify packaging code:
POE120PL-24LD
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 on page 2.
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.
2. Inductance is for the primary, measured at 200 kHz, 0.5 Vrms, 0 Adc.
3. Leakage inductance is for the primary and is measured with the secondary winding shorted.
4. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
Document 1233-1 Revised 07/29/15
Document 1233-2
120 W Planar Transformers for PoE – POE120PL
Dot indicates pin 1
POE120PL-xxL
1
0.820
max
20,83
XXXXY
2
4
5
6
Dash
number
-12L
-24L
-33L
-50L
10
8
Height max
(inches / mm)
0.352 / 8.94
0.380 / 9.64
0.407 / 10.34
0.375 / 9.53
0.920
max
23,37
0.009
min
0,229
See height
table
0.004 /0,102
0.050
1,27
∅
CL
0.080
2,03
0.310
7,874 0.200
5,08
0.310
7,874
0.200
5,08
0.080
2,03
CL
1
2
∅
0.110
2,79
0.125
3,175
10
CL
4
8
5
6
0.390
9,91
0.090
2,286
0.125
3,175
0.800
20,32
Dimensions are in
inches
mm
Recommended
Land Pattern
Optional tape and reel packaging
POE120PL-12: 250/13″ reel Plastic tape: 44 mm wide, 0.5 mm thick, 32 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, 32 mm pocket spacing, 9.78 mm pocket depth
Document 1233-2 Revised 07/29/15