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BC817-25QA 数据表(PDF) 4 Page - NXP Semiconductors |
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BC817-25QA 数据表(HTML) 4 Page - NXP Semiconductors |
4 / 15 page BC817-25QA_40QA All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved. Product data sheet Rev. 1 — 3 September 2013 4 of 15 NXP Semiconductors BC817-25QA; BC817-40QA 45 V, 500 mA NPN general-purpose transistors 6. Thermal characteristics [1] Device mounted on an FR4 PCB, single-sided copper, tin-plated and standard footprint. [2] Device mounted on an FR4 PCB, 4-layer copper, tin-plated and standard footprint. [3] Device mounted on an FR4 PCB, single-sided copper, tin-plated mounting pad for collector 1 cm2. [4] Device mounted on an FR4 PCB, 4-layer copper, tin-plated mounting pad for collector 1 cm2. (1) FR4 PCB, 4-layer copper, 1 cm2 (2) FR4 PCB, single-sided copper, 1 cm2 (3) FR4 PCB, 4-layer copper, standard footprint (4) FR4 PCB, single-sided copper, standard footprint Fig 2. Power derating curves Table 7. Thermal characteristics Symbol Parameter Conditions Min Typ Max Unit Rth(j-a) thermal resistance from junction to ambient in free air [1] -- 417 K/W [2] -- 250 K/W [3] -- 223 K/W [4] -- 139 K/W |
类似零件编号 - BC817-25QA |
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类似说明 - BC817-25QA |
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