

| Part | DC sparkover voltage | Impulse sparkover voltage | Insulation resistance |
Electrostatic capacity | AC discharge current |
Maximum impulse discharge current |
Impulse life | |||||||
| Number | 100V/s | 10/200μs, 3,000V | DC50V | DC100V | DC250V | DC500V | 1MHz | AC 50A, 0.1s | AC 25A, 0.1s | AC 100A, 1s | 8/20μs, 20kA | 10/200μs, 10kA | 10/200μs, 500A | 10/200μs, 400A |
| Y20-90 | 90V±20V | ≦700V | ≧10,000MΩ | – | – | – | ≦5.0pF | 20 Times | – | 1 Time | 1 Time | 1 Time | 1000 Times | – |
| Y20-230 | 230V±40V | ≦700V | – | ≧10,000MΩ | – | – | ≦5.0pF | 20 Times | – | 1 Time | 1 Time | 1 Time | 1000 Times | – |
| Y20-250 | 250V±50V | ≦750V | – | ≧10,000MΩ | – | – | ≦5.0pF | 20 Times | – | 1 Time | 1 Time | 1 Time | 1000 Times | – |
| Y20-35 | 350V±60V | ≦750V | – | ≧10,000MΩ | – | – | ≦5.0pF | 20 Times | – | 1 Time | 1 Time | 1 Time | 1000 Times | – |
| Y20-490 | 490V±70V | ≦800V | – | – | ≧10,000MΩ | – | ≦5.0pF | 20 Times | – | – | 1 Time | 1 Time | – | 1000 Times |
| Y20-610 | 610V±90V | ≦1000V | – | – | ≧10,000MΩ | – | ≦5.0pF | 20 Times | – | 1 Time | 1 Time | 1 Time | 1000 Times | – |
| Y20-700 | 700V±100V | ≦1200V | – | – | ≧10,000MΩ | – | ≦5.0pF | 20 Times | – | 1 Time | 1 Time | 1 Time | 1000 Times | – |
| Y20-800 | 800V±120V | ≦1400V | – | – | ≧10,000MΩ | – | ≦5.0pF | 20 Times | – | 1 Time | 1 Time | 1 Time | 1000 Times | – |
| Y20-1100 | 1,100V±220V | ≦2000V | – | – | ≧10,000MΩ | – | – | 20 Times | – | 1 Time | – | 1 Time | 1000 Times | – |
| Y20-1200 | 1,200V±200V | ≦2200V | – | – | ≧10,000MΩ | – | – | 20 Times | – | – | – | – | – | – |
| Y20-1300 | 1,300V±200V | ≦2400V | – | – | ≧10,000MΩ | – | – | 20 Times | – | – | 1 Time | 1 Time | 1000 Times | – |
| Y20-1600 | 1,550V±150V | ≦2200V | – | – | – | ≧10,000MΩ | – | – | 20 Times | – | – | – | – | – |