Coilcraft NA5871-AL 800 w planar transformer Datasheet

Document 1241
800 W Planar Transformer
For TI UCC28950
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
Inductance
DCR max (mOhms)
at 0 A1
min (µH)
pri sec
NA5871-AL
42
1.37
4.4
Leakage
inductance
max (µH)
Turns
pri : sec
Output
0.20
3:5
54 V, 15 A
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.
Dot indicates pin 1
Internal code
XXXXY
4
NA5871-AL
1
1
11
11
0.36
9,14
1.29
max
32,8
6
0.133
(4)
3,38 ∅
0.36
9,14
4
0.18
4.57
Recommended
Land Pattern
0.54
13,71
6
1.73
43,96
1.91
max
48,5
0.531
max
13,5
0.10
typ
2,54
Insulator
0.006 /0,15
Dimensions are in
inches
mm
Document 1241
Revised 12/06/14
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