1N3129

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1N3129 on quarter dollar

The 1N3129  (P/N 152-0043-00) is a 20 mA Germanium tunnel diode in a DO-25var package.

Some instruments using part 1N3129

Instrument Manufacturer Class Description Introduced
3T77 Tektronix Plug-in Sampling sweep plug-in 1962
3T77A Tektronix Plug-in Sampling sweep plug-in 1966
5T1 Tektronix Plug-in Sampling sweep unit 1961

Key Specifications

Peak current 20 ± 1 mA
Capacitance 20 pF
Peak to valley current ratio min. 8.0
Peak voltage 100 mV
Valley voltage 300 mV
Forward voltage at peak current 575 mV
Series inductance 0.6 nH
Series resistance 2.5 Ω
Temperature max. 100 °C
(from http://www.americanmicrosemi.com/catalog/1N3129.html)