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BC847QAS 数据表(PDF) 4 Page - NXP Semiconductors |
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BC847QAS 数据表(HTML) 4 Page - NXP Semiconductors |
4 / 13 page NXP Semiconductors BC847QAS 45 V, 100 mA NPN/NPN general-purpose transistor BC847QAS All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved Product data sheet 8 July 2015 4 / 13 9. Thermal characteristics Table 6. Thermal characteristics Symbol Parameter Conditions Min Typ Max Unit Per transistor Rth(j-a) thermal resistance from junction to ambient in free air [1] - - 543 K/W Per device Rth(j-a) thermal resistance from junction to ambient in free air [1] - - 357 K/W [1] Device mounted on an FR4 PCB, single-sided copper, tin-plated and standard footprint. aaa-007378 10-5 10 10-2 10-4 102 10-1 tp (s) 10-3 103 1 102 10 103 Zth(j-a) (K/W) 1 duty cycle = 1 0.75 0.5 0.33 0.2 0.1 0.02 0.01 0 0.05 FR4 PCB, standard footprint Fig. 3. Per transistor: Transient thermal impedance from junction to ambient as a function of pulse duration; typical values |
类似零件编号 - BC847QAS |
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类似说明 - BC847QAS |
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