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BC857B Description

Operating Junction Temperature 150 oC June 2002 1/4 BC857B THERMAL DATA Rthj-amb Junction-Ambient Device mounted on a PCB area of 1 cm2. Max 500 oC/W (Tcase = 25 oC unless otherwise specified) Symbol Parameter Test Conditions Min. However, STMicroelectronics assumes no responsibility for the consequences Oof use of such information nor for any infringement.