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505: Difference between revisions
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{{GR Product | |||
|model=505 | |||
|codes= | |||
|class=505 | |||
|summary=Capacitor | |||
|image=GR 505 Stacked Small and Large Case.jpg | |||
|caption=General Radio 505 Capacitor | |||
|series=505 | |||
|introduced=1935 | |||
|discontinued=1965 | |||
|designers= | |||
|manuals= | |||
* '''Manual Needed.''' | |||
}} | |||
The {{Title|General Radio 505 Capacitor}} was introduced in {{Bulletin 936}} and remained available through {{Catalog S}}. | |||
The Type 505 is a secondrary standard capacitor using a silvered-mica dielectric. The capacitor is installed in a low-loss phenolic case along with Silica gel desiccant then sealed with wax. The Type 505 has almost as equally high stability as the [[1409]] Standard Capacitor at one quarter the cost. The Type 505 is found in many General Radio instruments as a capacitance standard. It is supplied in two case sizes, the small and large. | |||
The {{Title|505 series of standard capacitors}} comprises | The {{Title|505 series of standard capacitors}} comprises | ||
{{505 series}} | {{505 series}} | ||
==Specifications== | |||
* '''Accuracy:''' at 1 kHz, ±0.5% or ±3 pf, whichever is the larger | |||
* '''Dielectric:''' Silvered-Mica | |||
* '''Temperature Coefficient:''' Approximately +35 ppm per degree Centigrade between 10 and 50 C. Calibration is made at 23 C, at a frequency of 1 kHz | |||
==Links== | ==Links== | ||
* [[Media:GR Exp 505 1457-K 10_1957.pdf|Experimenter October 1957 describing Type 505]] | * [[Media:GR Exp 505 1457-K 10_1957.pdf|Experimenter October 1957 describing Type 505]] | ||
{| class="wikitable" style="margin:auto" | |||
|+ Type 505 Series of Capacitors | |||
|- | |||
! Type!! Capacitance !! Dissipation<br>Factor !! Maximum Peak<br>Voltage !! Frequency Limit<br>for Max Volts !! Leakage<br>Resistance !!Code | |||
|- | |||
|[[505-A]] || 100 pF || 0.0006 || 700 || 10 MHz || >100,000 MΩ || 0505-9701 | |||
|- | |||
|[[505-B]] || 200 pF || 0.0004 || 700 || 6 MHz || >100,000 MΩ || 0505-9701 | |||
|- | |||
|[[505-E]] || 500 pF || 0.00035 || 500 || 4 MHz || >100,000 MΩ || 0505-9705 | |||
|- | |||
|[[505-F]] || 0.001 μF|| 0.0003 || 500 || 2.3 MHz || >100,000 MΩ || 0505-9706 | |||
|- | |||
|[[505-G]] || 0.002 μF|| 0.0003 || 500 || 1.3 MHz ||>100,000 MΩ || 0505-9707 | |||
|- | |||
|[[505-K]] || 0.005 μF|| 0.0003 || 500 || 630 kHz || >100,000 MΩ || 0505-9711 | |||
|- | |||
|[[505-L]] || 0.01 μF || 0.0003 || 500 || 360 kHz || >100,000 MΩ || 0505-9712 | |||
|- | |||
|[[505-M]] || 0.02 μF || 0.0003 || 500 || 210 kHz || >100,000 MΩ || 0505-9713 | |||
|- | |||
|#[[505-R]] || 0.05 μF || 0.0003 || 500 || 100 kHz || >100,000 MΩ || 0505-9718 | |||
|- | |||
|#[[505-T]] || 0.1 μF || 0.0003 || 500 || 50 kHz || >50,000 MΩ || 0505-9720 | |||
|- | |||
|#[[505-U]] || 0.2 μF || 0.0003 || 500 || 20 kHz || >25,000 MΩ || 0505-9721 | |||
|- | |||
|#[[505-X]] || 0.5 μF || 0.0003 || 500 || 10 kHz || >10,000 MΩ || 0505-9724 | |||
|- | |||
|} | |||
* '''#Mounted in the large case.''' | |||
==Photos== | |||
<gallery> | |||
GR 505 Stacked Small and Large Case.jpg | |||
GR 505 Stacked Small and Large Case A.jpg | |||
GR 505 Technical Drawing.jpg | |||
</gallery> | |||
===Small Case=== | |||
<gallery> | |||
GR 505 Bottom Small Case.jpg | |||
GR 505 Right Small Case.jpg | |||
GR 505 Rear Small Case.jpg | |||
</gallery> | |||
===Large Case=== | |||
<gallery> | |||
GR 505 Bottom Large Case.jpg | |||
GR 505 Top Large Case.jpg | |||
GR 505 Right Large Case.jpg | |||
GR 505 Rear Large Case.jpg | |||
</gallery> | |||
[[Category:Capacitance Standards]] | [[Category:Capacitance Standards]] | ||
__NOTOC__ | |||