3D Model Datasheet

HA4018 Flyback Transformer

for UCC28600 Flyback Controller

Triple output flyback transformer
Developed for use with Texas Instruments UCC28600 Green Mode Controller
Designed to operate at 50 kHz with universal ac input

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Count	Unit price
1	$5.20
200	$4.18
600	$2.79
1200	$2.33
2400	$2.09
5000	$1.91

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Typical Application

Works with Texas Instruments UCC28600

AC Input Voltage	Output				Power	Fsw
AC Input Voltage	Sec1	Sec2	Sec3	Bias	Power	Fsw
85 V — 265 V	15 V , 0.05 A	5 V , 0.35 A	-15 V , 0.13 A	12 V , 0.02 A	4.3 W	50 kHz

Specifications

Electrical specifications at 25°C.

Part number (Hover for schematics)	Inductance at 0A (mH) 1 (Tolerance: ±10%)	Inductance min at 0.3 A (mH)	DCR max (Ω)					Leakage Inductance max (µH) 2	Turns Ratio	Isolation Voltage (Vrms) 3
Part number (Hover for schematics)	Inductance at 0A (mH) 1 (Tolerance: ±10%)	Inductance min at 0.3 A (mH)	Pri	Sec1	Sec2	Sec3	Bias	Leakage Inductance max (µH) 2	Pri : Sec1 : Sec2 : Sec3 : Bias	Isolation Voltage (Vrms) 3
HA4018-AL	2.2	1.7	1.550	0.061	0.305	0.450	0.350	28.5	1 : 0.12 : 0.067 : 0.189 : 0.156	3000

Notes

Inductance is for the primary, measured at 50 kHz, 0.1 Vrms, 0 Adc.
Leakage inductance is for the primary winding, measured at 50 kHz, 0.1 Vrms, 0 A with all secondary pins shorted.
3000 Vrms, one minute isolation from primary and bias to secondaries.

Termination:

RoHS-compliant. Tin-silver (96.5/3.5) over tin over copper over steel terminations. Other terminations available at additional cost.

Environmental

Environmental:

RoHS compliant

Ambient temperature range:

–40°C to +85°C

Storage temperature range:

Component: –40°C to +85°C.
Tray packaging: –40°C to +80°C

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

See FIT/MTBF Calculations

Schematics

Physical characteristics

General specification

Core Material:

Ferrite

Weight:

9.7 g

Packaging:

100 per tray

Washing

Moisture Sensitivity Level (MSL):

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

PCB Washing:

Only pure water or alcohol recommended

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