ERWQ351LGC182MC75U
Nippon Chemi-Con RWQ screw-terminal capacitor, 1800 uF at 350 V, Ø50 x 75 mm, 85 °C with high ripple for inverter DC links.
The ERWQ351LGC182MC75U is a Nippon Chemi-Con RWQ series screw-terminal aluminum electrolytic capacitor rated at 350 V with 1800 uF, in a case of about 50 mm diameter by 75 mm long. It is the taller, higher-capacitance member of the RWQ 350 V pair, offering more stored energy in the same diameter for designs that need a little more capacitance without changing the footprint. The RWQ series is downsized with a high ripple current rating, and it is designed for inverter and power-conversion DC links where a large capacitance must smooth a high-ripple current. A screw terminal accepts a busbar or heavy cable, so the capacitor handles the high DC-link current without the lead limitations of a PCB part, and the large can provides a thermal mass that helps dissipate the ripple heating. The capacitor is rated 85 °C with a 2000-hour endurance at the rated ripple current, and the operating range is -40 °C to +85 °C. It mounts with a clamp or a bottom stud. Typical uses include motor-drive DC links, solar and storage inverter buses and UPS bulk storage. Every capacitor BeiLuo ships is factory-traceable and includes an import declaration, a certificate of origin and a RoHS compliance file. Our FAE team can confirm the ripple margin and the lifetime.
FAE Professional Review
The ERWQ351LGC182MC75U gives extra capacitance in the same 50 mm diameter as its 1500 uF sibling, so it is the easy upgrade when your ripple or hold-up requirement grows. Keep the same clamp and busbar design and just confirm the taller can clears the enclosure. As always, verify the ripple margin against the case temperature.
| Parameter | Value |
|---|---|
| Capacitance | 1800 uF |
| Voltage | 350 V |
| Case Size | Ø50 x 75 mm |
| Temperature | -40 °C to +85 °C |
| Endurance | 2000 h at 85 °C |
Application Circuits
Inverter DC-link smoothing
Reference circuits and application schematics for Inverter DC-link smoothing are available from our FAE team.
Solar and storage inverter bus
Reference circuits and application schematics for Solar and storage inverter bus are available from our FAE team.
UPS bulk storage
Reference circuits and application schematics for UPS bulk storage are available from our FAE team.
Need a reference schematic or design review? Our FAE engineers can share verified circuits and layout guidance for this part.
Related Documents
Alternative Part Numbers
| Model | Package | Note | Action |
|---|---|---|---|
| ERWQ351LGC152MC65U | Screw terminal Ø50 x 65 mm | Lower capacitance 1500 uF version in a shorter case | View |
Complementary Part Numbers
| Model | Package | Note | Action |
|---|---|---|---|
| EKHT451VSN621MQ501 | Snap-in Ø25.4 x 50 mm | Snap-in capacitor for the auxiliary supply rail | View |
| EKMH250VSN183MR40T | Snap-in Ø30 x 42 mm | High-capacitance snap-in for a low-voltage rail | View |
Recommended Complementary Products
Frequently Asked Questions
What projects suit the ERWQ351LGC182MC75U?
It suits 350 V class designs that need a little more capacitance and stored energy than the 1500 uF part, such as inverter DC links and UPS bulk storage. The case shares the 50 mm diameter of its sibling but is 75 mm tall.
Confirm the taller can clears your enclosure.
Can I use the same clamp as the shorter part?
The diameter is the same 50 mm, so the same clamp type applies; only the case length differs at 75 mm. Verify the clearance and the busbar length for the taller can.
Our FAE team can confirm the mechanical fit.
Is the part genuine and documented?
BeiLuo supplies factory-traceable ERWQ351LGC182MC75U capacitors with an import declaration, certificate of origin and RoHS file on every order. Stock is normally available.
Request a sample to validate the part before production.