TSR 1-2450 DC/DC Switching Regulator - Sinclair ZX Spectrum / ZX81 / Timex 1000

 Pin compatible replacement for the 7805 power regulator used in the Sinclair ZX Spectrum / ZX81 / Timex 1000 and other retro/vintage computers.

This is an upgrade to the 7805 power regulator and has a number of benefits in use over the 7805:

  • - Better thermal management, reducing temperatures in the case and doesn't require use of heat sinks.
  • - Increased power efficiency (>94%)
  • - Improved output accuracy (±2%)
  • - Short circuit protection
  • - Built in filter capacitors
  • - Excellent line / load regulation


This item include:

1 x TSR 1-2450 


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