Hermetically sealed: Leakage rate less than 10-7 cc/sec of tracer gas at one atmosphere.

Body and Fittings: Brass, Tarnish Resistant Plating
Center Contact: Gold Plated Beryllium Copper
Dielectric: PTFE
Marking: “Pomona 3847”

Ratings:

Operating Voltage:
Shield/Earth: 30VAC/60VDC Max.
Inner Conductor/Shield: 500VRMS Max.
Operating Temperature: -65ºC to +165ºC
Nominal Impedance: 50 Ohms