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Document 145
Power Factor Controller Transformers
These parts are designed for use with Motorola MC33261 and MC34261 power factor controllers. They are specifically intended for use in AC-DC pre-converter circuits for electronic ballast and off-line switching power converter applications. N2880-AL and N2881-AL utilize standard materials for lowest cost. Coilcraft can also supply custom transformers optimized for specific combinations of output power and input voltage.
N2880-AL
For output power up to 175 Watts For “universal” 110/220 V input voltage
Inductance1: DC resistance: Isolation:
Pins 2-5 960/780 µH
Pins 2-5 0.100 max Pins 12-7 0.017 max 500 Vrms between windings
1. Tested at 15.75 kHz, 1 Vrms. 2. Ambient temperature: –40°C to +85°C. 3.
N2880-AL Datasheet
