1N3128

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1N3129 (1N3128 has same package) on quarter dollar

The 1N3128  (P/N 152-0074-00,152-074) is a 5 mA, 15 pF germanium tunnel diode

  • Peak current: 5 ± 0.25 mA
  • Total capacitance: 15 pF
  • Peak to valley current ratio: min. 8.0
  • Peak voltage: 80 mV
  • Valley voltage: 280 mV
  • Forward voltage at peak current: 530 mV
  • Series inductance: 0.6 nH
  • Series resistance: 3 Ω
  • Semiconductor material: Germanium
  • Maximum operating temperature: 100 °C
  • Package style: DO-25var
  • Mounting style: T

Used in

Some instruments using part 1N3128

Instrument Manufacturer Class Model Description Introduced
3T77 Tektronix Plug-in 3T77 Sampling sweep plug-in 1962
5T1 Tektronix Plug-in 5T1 Sampling sweep unit 1961

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