welding machine capacitor: dmj-pc series
introduction：
1. box-type, sealed with dry epoxy resin;
2. copper nutleads, small size , easy installation;
3. resistance to high voltage, with self-healing;
4. high ripple current, high dv / dt withstand capability.
application：
1. widely used in dc-link circuit for filtering energy storage;
2. photovoltaic power inverter, wind power converter;all kinds of frequency converter and inverter power supply;pure electric and hybrid cars;svg, svc devices and other kinds of power quality management.
typical circuit：
outline drawing：
technical data：
operating temperature range | maxoperating temperature.,top,max: 85℃ lower category temperature: -40℃ |
capacitance range | 8～150μf |
un/ rated voltage un | 400v.dc～2000v.dc |
cap.tol | ±5%(j) |
withstand voltage | vt-t | 1200vdc/60s |
vt-c | 3000v.ac/ 60s |
dissipation factor | tgδ≤0.0015 f=1000hz |
tgδ0≤0.002 |
insulation resistance | rs*c≥5000s (at 20℃ 100v.dc) |
withstand strike current | dv/dt≥30v/μs |
esr | ≤4.8 mω |
flame retardation | ul94v-0 |
service | 100000 h (70℃) |
max working altitude | 3500m |
reference standard | iec 61071 |