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LECWE2A 数据表(PDF) 13 Page - OSRAM GmbH |
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LECWE2A 数据表(HTML) 13 Page - OSRAM GmbH |
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13 / 18 page ![]() Preliminary LE CW E2A 2006-10-16 13 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 board 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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