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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AN4026 датащи(PDF) 35 Page - STMicroelectronics |
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AN4026 датащи(HTML) 35 Page - STMicroelectronics |
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35 / 40 page  AN4026 PFC coil specifications Doc ID 022603 Rev 1 35/40 8 PFC coil specifications 8.1 General description and characteristics ● Application type: consumer, home appliance ● Transformer type: open ● Coil former: vertical type, 6+6 pins ● Max. temperature rise: 45 ºC ● Max. operating ambient temperature: 60 ºC ● Mains insulation: n.a. ● Unit finishing: varnished. 8.2 Electrical characteristics ● Converter topology: boost, transition mode ● Core type: PQ26/20-PC44 or equivalent ● Min. operating frequency: 40 kHz ● Typical operating frequency: 120 kHz ● Primary inductance: 520 µH ± 15% at 1 kHz - 0.25 V(a). 8.3 Electrical diagram and winding characteristics Figure 30. PFC coil electrical diagram a. Measured between pins #5 and #9. Table 5. PFC coil winding data Pins Windings DC resistance Number of turns Wire type 11-3 AUX 125 m Ω 5.5 φ 0.28 mm – G2 5-9 Primary 267 m Ω 57.5 30X φ 0.1 mm- G1 |
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