The MMBTRC104SS is an NPN/PNP transistor in a plastic TO-236 (SC-59) package manufactured by SLKORMICRO. It has three pins: a base, a collector, and an emitter. The transistor is RoHS compliant, meaning that it is made of material and components that are free of substances that could pose a threat to the environment. It is designed for use in applications such as switching, amplifying, and detecting, and is suitable for both low-voltage and high-current applications. It has a high voltage rating of up to 80 V, and a high current rating of up to 0.2 A. It has a broad operating temperature range of -65°C to 150°C. The device is protected by a silicone coating, which adds another layer of protection against damage or degradation.