SMTD994
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The SMTD994 (P/N 152-0177-01) is a 10 mA, 2 pF tunnel diode in a DO-17 package. Based on the diode data the Toshiba/NEC 1S2199 is equivalent.
It is similar to the 152-0177-02, but has a 1 mA tolerance on Ip, while the 152-0177-02 has a 0.5 mA tolerance on Ip. The 152-0177-01 offers lower capacitance than the 152-0177-00.
Used in
Some instruments using part SMTD994
| Instrument | Manufacturer | Class | Model | Description | Introduced |
|---|---|---|---|---|---|
| 067-0587-01 | Tektronix | Plug-in | 067-0587-01 | 7000 Series Calibration Fixture | (?) |
| 3T5 | Tektronix | Plug-in | 3T5 | Programmable sampling sweep plug-in | 1969 |
| 3T6 | Tektronix | Plug-in | 3T6 | Programmable sampling sweep plug-in | 1969 |
| 485 | Tektronix | Oscilloscope | 485 | 350 MHz portable scope | 1972 |
| 5S14N | Tektronix | Plug-in | 5S14N | 1 GHz dual-trace, delayed-sweep sampler | 1974 |
| 7D14 | Tektronix | Plug-in | 7D14 | 525 MHz frequency counter | 1970 |
| 7T11 | Tektronix | Plug-in | 7T11 | Sampling Sweep Unit | 1969 |
| 7T11A | Tektronix | Plug-in | 7T11 | Sampling Sweep Unit | 1986 |
| S-53 | Tektronix | Plug-in | S-53 | Trigger Recognizer | 1971 |