3D Model Datasheet

NA5871-AL 800 W Planar Transformer

for TI UCC28950 Controller

Designed for Texas Instruments PMP6712 Dual-Channel Full-Bridge Converter
for PoE Power Sourcing (PSE).
Listed as T2 and T4 on Texas Instruments BOM-PMP6712
Insulated bottom surface

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Count	Unit price
1	$21.85
100	$20.92

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Typical Application

Works with Texas Instruments UCC28950

Input Voltage	Output	Power	Fsw
38 V — 60 V	54 V , 15 A	800 W	100 kHz

Specifications

Electrical specifications at 25°C.

Part number (Hover for schematics)	Inductance min (µH) 1	DCR max (mΩ) 2		Leakage Inductance max (µH) 3	Turns Ratio	Isolation Voltage (Vrms) 4
Part number (Hover for schematics)	Inductance min (µH) 1	Pri	Sec	Leakage Inductance max (µH) 3	Pri : Sec	Isolation Voltage (Vrms) 4
NA5871-AL	42	1.37	4.40	0.20	1 : 1.67	1500

Notes

Inductance measured on an Agilent/HP 4284 at 100 kHz, 0.1 Vrms, 0 Adc.
DCR at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
Leakage inductance is for the primary, measured with the secondary shorted.
1500 Vrms, one minute primary to secondary isolation (Hipot).

Termination:

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

Environmental

Environmental:

RoHS compliant

Ambient temperature range:

−40°C to +125°C

Storage temperature range:

Component: −40°C to +125°C
Tray packaging: −40°C to +80°C

Maximum part temperature:

+165°C (Ambient + temperature rise)

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

See FIT/MTBF Calculations

Schematics

Physical characteristics

General specification

Core Material:

Ferrite

Weight:

56 g

Packaging:

20 per tray

Soldering/Washing

Moisture Sensitivity Level (MSL):

1 (unlimited floor life at <30°C / 85% relative humidity)

Resistance to soldering heat:

Three reflows at >260°C, allowing parts to cool 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.

NA5871-AL 800 W Planar Transformer

for TI UCC28950 Controller

Typical Application

Specifications

Termination:

Schematics

Physical characteristics

General specification

Soldering/Washing

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Warehouses

Language settings

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NA5871-AL 800 W Planar Transformer

for TI UCC28950 Controller

Selected configuration not available

Typical Application

Specifications

Termination:

Schematics

Physical characteristics

General specification

Soldering/Washing

Related product series

Magnetics

B0860-CL Planar Transformer

C1539-AL Planar Transformer

DA2025-AL Planar Transformer

HA3648-BL Planar Transformer

HA4000-AL Planar Transformer

JA4309 Planar Transformer

Magnetics for

B0853-AL SMT Planar Transformer

A9786-AL Planar Magnetics

MA5519-AL Planar Transformer

NA5738-DL SMT Planar Transformer

PA6605-AL Planar Transformer

PL140 Series

PL160 Series

PL300 Series

RA6992-BL SMT Planar Transformer

RA6998 Forward Mode Planar Transformer

RA6999-AL Forward Mode Transformer

RA7040-AL Forward Mode

YA9215-AL 50 W Resonant Transformer

Warning