505-Q

The General Radio 505-Q is a 50 nF, 1% standard capacitor that only appeared in Catalog G2 (1934). After that, the large-case 505-R was GR's 50 nF offering in the 505 series.

See the overview page 505 for the complete series.

Specifications

• Max. voltage: 350 V peak below 32 kHz
• Accuracy: ±1% or ±10 pF, whichever is larger
• Temperature Coefficient: approx. +0.003% per °C between +10 °C and +50 °C; calibrated at +25 °C

Links

• Experimenter January 1933 describing Type 505
• Experimenter October 1957 describing Type 505

The 505 series of standard capacitors comprises

• 505-A – 100 pF
• 505-B – 200 pF
• 505-E – 500 pF

• 505-F – 1 nF
• 505-G – 2 nF
• 505-K – 5 nF

• 505-L – 10 nF
• 505-M – 20 nF
• (505-Q – 50 nF)
• 505-R – 50 nF

• 505-T – 100 nF
• 505-U – 200 nF
• 505-X – 500 nF

Photos

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