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LEUWE3B Datasheet(PDF) 12 Page - OSRAM GmbH |
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LEUWE3B Datasheet(HTML) 12 Page - OSRAM GmbH |
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12 / 17 page ![]() 2007-06-26 12 Vorläufige Daten / Preliminary Data LE UW E3B Bestimmung der Bord - Temperatur T B Die Board - Temperatur T B kann mit Hilfe eines NTC bestimmt werden, gemessen an den NTC Anschlusskontakten. Aus T NTC kann TB folgendermaßen berechnet werden. Estimation of the Bord Temperature T B The baord temperautre T B can be determined with the NTC, measured on the NTC pads. TB can be calculated using T NTC as shown below. T B = TNTC + Rth, B-NTC x POSTAR R th, B-NTC = 0,25 K/ W P OSTAR = IF x UF Anschlusskontaktierung Contacting Drahttyp Wire type Durchmesser Diameter Lötspitze Solder Tip Temperatur Temperature Lötzeit Solder Time AWG 18 ~0.8 mm (Litze; flexible wire) 3.2 mm (Meisel; Chisel) 250 °C 350 °C 16 sec. 6 sec AWG 20 ~0.5 mm (Litze; flexible wire) 3.2 mm (Meisel; Chisel) 250 °C 350 °C 14 sec. 5 sec AWG 22 ~0.3 mm (Litze; flexible wire) 3.2 mm (Meisel; Chisel) 250 °C 350 °C 9 sec. 3 sec |
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