3D Model Datasheet

UA7962-AL PoE Transformer

for TI PMP20058

Developed for Texas Instruments 81 W Industrial POE Isolated Flyback reference design PMP20058

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Count	Unit price
1	$11.26
120	$9.65
240	$8.39
720	$7.29
1500	$6.35
2500	$5.44
5000	$4.99

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Typical Application

Works with Texas Instruments PMP20058

Input Voltage	Output 1	Power	Fsw
8 V — 18 V	54 V , 1.5 A	81 W	300 kHz

Specifications

Electrical specifications at 25°C.

Part number (Hover for schematics)	Inductance at 0A (µH) 2 (Tolerance: ±5%)	Inductance min at 15.5 A (µH)	DCR max (mΩ) 3			Leakage Inductance max (µH) 4	Turns Ratio 5	Isolation Voltage (Vrms) 6
Part number (Hover for schematics)	Inductance at 0A (µH) 2 (Tolerance: ±5%)	Inductance min at 15.5 A (µH)	Pri	Sec	Aux	Leakage Inductance max (µH) 4	Pri : Sec : Aux	Isolation Voltage (Vrms) 6
UA7962-AL	10	8.6	5	38	51	0.085	1 : 2 : 0.5	1500

Notes

Aux winding output is 20 mA.
Inductance is for the primary, measured at 300 kHz, 0.3 Vrms.
DCR for the primary is with the two windings connected in series (pin 2 and 3 to be connected).
Leakage inductance is for the primary windings with the secondary windings shorted.
Turns ratios are with the primary windings connected in series (pin 2 and 3 to be connected).
Isolation (hipot) is measured from primary to secondary for one minute.

Termination:

RoHS-compliant. 260°C compatible. Tin-silver (96.5/3.5) over tin over nickel over phos bronze.

Environmental

Environmental:

RoHS compliant

Ambient temperature range:

–40°C to +105°C

Storage temperature range:

Component: –40°C to +105°C
Tray packaging: –40°C to +80°C

Maximum part temperature:

+145°C

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

See FIT/MTBF Calculations

Schematics

Pins 2 and 3 to be connected on the PC board.

Physical characteristics

General specification

Core Material:

Ferrite

Weight:

49.7 g

Packaging:

120 per tray

Washing

Moisture Sensitivity Level (MSL):

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

PCB Washing:

Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. More info.

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