Datasheet 3D Model

PA6284 Flyback Transformer

for STMicroelectronics STEVAL-ILL055V1

Designed for 11 Watt applications with 185 – 264 Vac input
20 V, 10 mA auxiliary winding output

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Typical Application

Works with STMicroelectronics STEVAL-ILL055V1

Input Voltage	Output 1		Power	Fsw
Input Voltage	Sec	Aux	Power	Fsw
185 V — 264 V	12 V , 0.64 A	20 V , 0.01 A	12 W	100 kHz

Specifications

Electrical specifications at 25°C.

Part number 2 (Hover for schematics)	Inductance at 0A (mH) 3 (Tolerance: ±10%)	DCR max 4			Leakage Inductance max (µH) 5	Turns Ratio	Isolation Voltage (Vrms)
Part number 2 (Hover for schematics)	Inductance at 0A (mH) 3 (Tolerance: ±10%)	Pri (Ω)	Sec (mΩ)	Aux (mΩ)	Leakage Inductance max (µH) 5	Pri : Sec : Aux	Isolation Voltage (Vrms)
PA6284-ALD	1.40	3.030	85.000	570.000	25	1 : 0.136 : 0.144	1500

Notes

Output is of the secondary winding. Auxiliary winding output:20 V, 10 mA.
When ordering, please specify packaging code: e.g. PA6284-ALD
Inductance measured at 100 kHz, 1.0 Vrms, 0 Adc
DCR for the secondary is with the windings connected in parallel, measured at 25°C. For other
operating temperatures, use this DCR at Temperature calculator.
Leakage inductance is for the primary and is measured with the secondary shorted.

Termination:

RoHS tin-silver over tin over nickel over phos bronze.

Packaging:

D = 13″ machine-ready reel. EIA-481 embossed plastic tape (175 parts per full reel). Quantities less than full reel available: in tape (not machine ready) or with leader and trailer ($25 charge).
B = Less than full reel. In an effort to simplify our part numbering system, Coilcraft is eliminating the need for multiple packaging codes. When ordering, simply change the last letter of your part number from B to D.

Environmental

Environmental:

RoHS compliant

Ambient temperature range:

−40°C to +85°C

Storage temperature range:

Component: −40°C to +125°C
Tape and reel packaging: −40°C to +80°C

Maximum part temperature:

+125°C (ambient + temp rise)

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

See FIT/MTBF Calculations

Schematics

Physical characteristics

Tape and Reel specification

Parts per reel	Reel dimensions (mm)					Tape dimensions (mm)						Orientation
13" (330 mm)	A	B	C	D	E	W	P	Po	P1	H	T
750	330	100	13	38,4	32,4	32	28	4	2	12,93	0,5

General specification

Core Material:

Ferrite

Weight:

6.2 g

Packaging:

175 per 13″ reel Plastic tape: 32 mm wide, 0.5 mm thick, 28 mm pocket spacing, 12.93 mm pocket depth

Soldering/Washing

Moisture Sensitivity Level (MSL):

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

Resistance to soldering heat:

Max three 40 second reflows at +260°C, parts cooled 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.

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PA6284 Flyback Transformer

for STMicroelectronics STEVAL-ILL055V1

Selected configuration not available

Typical Application

Specifications

Termination:

Packaging:

Schematics

Physical characteristics

Tape and Reel specification

General specification

Soldering/Washing

Warning