1509-20D类似电子元器件：

• 1509-05B
  • Delay 5 ns, mechanically variable delay line
• 1509-20C
  • Delay 20 ns, mechanically variable delay line
• 1509-20D
  • Delay 20 ns, mechanically variable delay line
• 1509J-10B
  • Delay 20 ns, mechanically variable delay line
• 1509J-40C
  • Delay 20 ns, mechanically variable delay line