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NA5871_15 Datasheet, PDF (1/1 Pages) Coilcraft lnc. – 800 W Planar Transformer
Document 1241
800 W Planar Transformer ForTIUCC28950
Controller
• Designed for Texas Instruments PMP6712 Dual-Channel
Full-Bridge Converter for PoE Power Sourcing (PSE)
• 38 – 60 V input; 54 V, 15 A output
• 1500 Vrms, one minute isolation from primary to secondary
windings
• Listed as T2 and T4 on Texas Instruments BOM-PMP6712
• Insulated bottom surface
Core material Ferrite
Terminations  Matte tin over nickel over brass.
Weight  56 g
Ambient temperature  –40°C to +125°C
Storage temperature  Component: –40°C to +125°C.
Tray packaging: –40°C to +80°C
Maximum part temperature  +165°C (Ambient + temperature rise)
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  20 per tray
PCB washing  Tested to MIL-STD-202 Method 215 plus an additional
aqueous wash. See Doc787_PCB_Washing.pdf.
Part number
NA5871-AL
Inductance
  at 0 A1
DCR max (mOhms)
min  (µH)
pri    sec
42
1.37
4.4
1. Inductance is measured at 100 kHz, 0.1 Vrms, 0 Adc.
2. Leakage inductance is for the primary, measured with the secondary shorted
3. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
Leakage
inductance
max (µH)
0.20
Turns
pri : sec
3:5
Output
54 V, 15 A
Dot indicates pin 1
Internal code
1
11
1.29
32,8
max
4
6
1.91
48,5
max
1
0.36
9,14
4
0.18
4.57
0.133
3,38
∅
(4)
Recommended
Land Pattern
1.73
43,96
11
0.36
9,14
0.54
13,71
6
0.10
2,54
typ
Insulator
0.531
13,5
max
0.006 /0,15
Dimensions are in
inches
mm
Document 1241  Revised 12/06/14