Datasheet 3D Model

DA2077 Flyback Transformer

for NCP1027

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Works with ON Semiconductor NCP1027

Input Voltage	Output		Power	Fsw
Input Voltage	Sec	Aux	Power	Fsw
85 V — 265 V	5 V , 2 A	12.5 V , 0.01 A	10 W	65 kHz

Electrical specifications at 25°C.

Part number (Hover for schematics)	Inductance at 0A (µH) 1 (Tolerance: ±10%)	DCR max 2			Leakage Inductance max (µH) 3	Turns Ratio	Isolation Voltage (Vrms) 4
Part number (Hover for schematics)	Inductance at 0A (µH) 1 (Tolerance: ±10%)	Pri (Ω)	Sec (mΩ)	Aux (mΩ)	Leakage Inductance max (µH) 3	Pri : Sec : Aux	Isolation Voltage (Vrms) 4
DA2077-AL	3400	2.530	42.000	574.000	114	1 : 0.06 : 0.15	2000

Notes

Inductance is for the primary, measured at 10 kHz, 0.1 Vrms, 0 Adc
DCR measured at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
Leakage inductance tested at 100 kHz, 0.1 Vrms
2000 Vrms, one minute primary to secondary isolation.

Environmental

Environmental:

RoHS compliant

Ambient temperature range:

−40°C to +85°C

Storage temperature range:

Component: −40°C to +85°C
Packaging trays: −40°C to +80°C

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

Weight:

16.5 g

Packaging:

49 parts per tray