Cvd1810wj Extra Quality
A mid-sized solar installation company was experiencing a 12% failure rate on their string inverters after 18 months. The failure point was always the DC input bridge rectifier. The original design used a standard 20A/1000V block.
Upon investigation, the failure was due to thermal cycling (hot desert days to cool nights). The company switched to the CVD1810WJ Extra Quality for all repairs and new builds.
Results after 12 months:
If you have the physical component, evaluate:
| Parameter | What "Extra Quality" Might Mean | How to Test/Verify | |-----------|--------------------------------|--------------------| | Tolerance | ±1% instead of ±5% (for passives) | Measure with LCR meter | | Voltage rating | Higher than standard (e.g., 100V vs 50V) | Check marking / datasheet | | Temperature range | -55°C to +125°C vs -40°C to +85°C | Datasheet or thermal test | | Reliability | Burn-in tested, AEC-Q200 (automotive) | Look for certification marks | | RoHS/Lead-free | Compliant with "WJ" suffix often indicating green material | XRF if needed | cvd1810wj extra quality
While not a high-temperature engineering plastic like PEEK or PEI, the CVD1810WJ excels in thermal endurance within the 60°C–80°C range. Its glass transition temperature ((T_g)) is measured at (81^\circ C) via DMA (Dynamic Mechanical Analysis), which is 5–7°C higher than generic copolyesters. This shift allows parts to withstand the heat of a car interior on a summer day without deforming.
Chemically, the material demonstrates "Extra Quality" resistance to: A mid-sized solar installation company was experiencing a
However, users must note that the material is not UV-stable in its raw form; prolonged outdoor exposure requires a clear coat or painting.
Consider a bottling plant where a VFD fails. The standard diode blows due to a slight over-temperature event. Replacing it with a standard $2.00 diode means you will likely be back next month to replace it again. Installing the Extra Quality variant reduces the Mean Time Between Failures (MTBF) by an estimated 40%. However, users must note that the material is
Standard diodes handle a peak surge current (IFSM) of around 200A to 300A. The "Extra Quality" specification often guarantees a surge rating of 400A for 8.3 milliseconds. This is critical for equipment that experiences grid fluctuations, lightning strikes, or heavy capacitive inrush currents.