The MMBT5087LT1G is a PNP Bipolar Junction Transistor (BJT) manufactured by ON Semiconductor. It is designed to handle a continuous current of up to 50mA and a maximum voltage of 50V. It has a maximum power dissipation rating of 500mW and an operating temperature range of -65 to +150°C. It features both through-hole and surface mount packages. The device is useful for switching and amplifier applications in consumer and automotive electronics.