1. Marine capacitor filters can work for a long time under the conditions of ambient temperature -30°C-+50°C and relative temperature 95±3%.
2. Insulation resistance of capacitor filter: not less than 50MΩ in cold state and not less than 10MΩ in hot state
3. Under the rated load of the capacitor filter, the temperature rise of the choke coil does not exceed 55°C
4. The residual interference voltage of the capacitor filter terminal is not higher than the value listed in the table below
| Frequency | 0.15 | 0.25 | 0.35 | 0.6 | 0.8 | |
| Allowable interference voltage | microvolt | 3000 | 1800 | 1400 | 920 | 830 |
| db | 69.5 | 65.1 | 62.9 | 59 | 58 | |
| Frequency | 1 | 1.5 | 2.5 | 3.5 | 5.2 | |
| Allowable interference voltage | microvolt | 770 | 680 | 550 | 420 | 400 |
| db | 58 | 56.7 | 54.8 | 54 | 52 | |