welding machine capacitor: dmj-mc series
introduction：
1.aluminum round shell encapsulation, sealed with dry resin;
2.copper nut / screw leads, insulated plastic cover positioning, easy installation;
3. large capacity, small size;
4. resistance to high voltage, with self-healing;
5. high ripple current, high dv / dt withstand capability.
application：
1. widely used in dc-link circuit for filtering energy storage;
2. can replace electrolytic capacitors, better performance and longer life;
3. wind power, photovoltaic power inverter,electric vehicles and hybrid vehicles;power suppliers svg, and induction heating equipment, for the dc link filter.
typical circuit：
outline drawing：
technical data:
operating temperature range | max.operating temperature.,top,max: 85℃ lower category temperature: -40℃ |
capacitance range | 100～3000μf |
un/ rated voltage un | 450v.dc～3000v.dc |
cap.tol | ±5%(j); ±10%(k) |
withstand voltage | vt-t | 1.5un dc/60s |
vt-c | 1000 2×un/√2 (v.ac) 60s(min3000 v.ac) |
dissipation factor | tgδ≤0.0025 f=100hz |
insulation resistance | rs*c≥10000s (at20℃ 100v.dc 60s) |
esl | ≤30nh |
flame retardation | ul94v-0 |
maximum altitude | 3500m |
service | 100000 h |
reference standard | iec 61071 |
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