One Sg 309k 5v Positive Fixed Linear Voltage Regulator From 1974

US $27

  • Salem, Oregon, United States
  • Nov 26th
ONE SG-309K 5V Fixed Positive Monolithic Voltage Regulator in a TO-3 package. This is from my New/Old stock cache acquired in the mid 1970’s, and with a manufacturing code of 7425A. I'm marking it as used since I have no recollection of where this particular unit was acquired or it's prototype history. I do know that these are relatively hard to find and believe they are equivalent to at least the following: LM340K, LM309KC, MC309KC, SG309T, UA78M05HC, 309DA, SFC2309R, and perhaps others. Images do an adequate job of representing the item. Guaranteed against DOA. While item is certainly light, I always package items so they will arrive in the condition described. Payment via PayPal is preferred. Please ask questions before bidding - you will find I am very responsive to all inquiries.

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