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150-0048-01 lamp in 7000-series switch

The Tektronix 150-0048-01 is a 5 V, 60 mA, T-1 incandescent lamp (type #683).

It is used in various Tektronix equipment, especially the 7000-series oscilloscopes and plugins (e.g. in the back-lit switches), and the readout system of the 576 and 5030.

Modern Replacements

#683 lamp dimensions (mm)
  • JKL 683 sold at Mouser, part number 560-683 (rated 100,000 hours)