SMTD995

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The SMTD995  (P/N 152-0140-01) is a 10 mA, 8 pF tunnel diode with a maximum capacitance of 8 pF in a DO-17 case.

Note: There is a 152-0140-00 that is a different diode (1N3848) in a different package, with a higher capacitance.

It is used in the 547 units with serial numbers 11890 and up.

According to Craig Sawyers' Diode Reference, it is used in the RM546, RM547, RM585, R544, R556, R7912, S-51, S-52, TU-5, 067-0572-00, 067-0572-01, 067-0681-00, 1S1, 1S2, 1502, 21A, 22A, 3T5, 3T6, 475/R, 475A/R, 475M, 544, 546, 547, 556, 581A, 585A, 7B52, 7B53N, 7B70, 7B71, 7D10, 7D11, 7T11, and 7T11A.

Links

Pictures

Used in

Some instruments using part SMTD995

Instrument Manufacturer Class Model Description Introduced
067-0572-01 Tektronix Plug-in 067-0572-00/01 Normalizer Head (?)
1502 Tektronix Reflectometer 1502 Time Domain Reflectometer 1975
1S1 Tektronix Plug-in 1S1 1 GHz sampling system 1965
1S2 Tektronix Plug-in 1S2 Sampling system/TDR 1967
3T5 Tektronix Plug-in 3T5 Programmable sampling sweep plug-in 1969
3T6 Tektronix Plug-in 3T6 Programmable sampling sweep plug-in 1969
475 Tektronix Oscilloscope 475 Portable 200 MHz dual-trace scope 1972
475A Tektronix Oscilloscope 475A Portable 250 MHz dual-trace scope 1977
544 Tektronix Oscilloscope 544 50 MHz oscilloscope 1964
546 Tektronix Oscilloscope 546 50 MHz oscilloscope 1964
547 Tektronix Oscilloscope 547 50 MHz oscilloscope 1964
556 Tektronix Oscilloscope 556 50 MHz dual beam scope 1966
581A Tektronix Oscilloscope 581A 85 MHz oscilloscope 1963
585A Tektronix Oscilloscope 585 85 MHz oscilloscope 1963
7B52 Tektronix Plug-in 7B52 100 MHz Dual Timebase 1970
7B70 Tektronix Plug-in 7B70 200 MHz Timebase 1969
7B71 Tektronix Plug-in 7B71 200 MHz Delaying Timebase 1969
7D10 Tektronix Plug-in 7D10 digital events delay 1976
7D11 Tektronix Plug-in 7D11 digital delay 1972
7T11 Tektronix Plug-in 7T11 Sampling Sweep Unit 1969
7T11A Tektronix Plug-in 7T11 Sampling Sweep Unit 1986
R7912 Tektronix Oscilloscope R7912 500 MHz digitizer 1973
S-51 Tektronix Plug-in S-51 Synchronizing Head 1969
S-52 Tektronix Plug-in S-52 pulse generator 1971
TU-5 Tektronix Pulse generator TU-5 Tunnel diode pulser (?)