ECG90

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General-purpose silicon NPN bipolar power transistor designed for linear amplification and medium power switching. | TO-3 Metal Can | Vintage power supply regulators, 1970s solid-s tate instrument amplifiers, legacy servo controllers. | ECG90 | NTE90 | SK3021 | 2N3055, 2N5038, MJ2955 (PNP counterpart), BDY20 | Linear Bench Power Supply: Serves as the main series-pass power transistor bolted onto an aluminum cooling block to step down raw rectified voltage smoothly to an adjustable DC output. Show more