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DA2077 Flyback Transformer

for NCP1027

RoHS compliant
  • Developed for use with ON Semiconductor NCP1027 Standby Power Supply
  • Specified in Application Note AN8241/D
  • Designed for for universal input, 85 – 265 Vac
  • Operates in continuous conduction mode at 120 Vdc – 375 Vdc, 65 kHz
Buy Now:
Count Unit price
1 $4.51
100 $3.76
500 $3.14
1000 $2.61
2500 $2.27
5000 $2.05

For high volume or non-stock items, request a quote.

. in stock, ready to ship today.
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Typical Application

Works with ON Semiconductor NCP1027

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

Specifications

Electrical specifications at 25°C.

Part number Inductance
at 0A (µH) 1
(Tolerance: ±10%)
DCR max (Ω) 2 Leakage
Inductance
max (µH) 3
Turns Ratio Isolation
Voltage (Vrms) 4
Pri Sec Aux Pri : Sec : Aux
DA2077-AL_ 3400 2.530 0.042 0.574 114 1 : 0.06 : 0.15 2000
Notes
  1. Inductance is for the primary, measured at 10 kHz, 0.1 Vrms, 0 Adc
  2. DCR measured at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
  3. Leakage inductance tested at 100 kHz, 0.1 Vrms
  4. 2000 Vrms, one minute primary  to secondary isolation.

Termination:

  • RoHS-compliant. Matte tin over copper terminations.
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

Schematics

da2077schematic.gif

Physical characteristics

da2077dimensions.gif

General specification

Weight:
16.5 g
Packaging:
49 parts per tray