Vishay Intertechnology Inc. is offering a number of multilayer chip capacitors (MLCCs) that may be used as alternatives for end-of-life (EOL) commodity parts. Several component manufacturers have recently announced EOL product change notifications (PCNs) for select NPO, X7R and X5R ceramic capacitors.
“A lot of customers don’t realize we manufacture these parts unless they are in automotive or are using a high-performance MLCC,” said David Valletta, executive vice president, worldwide sales, Vishay Intertechnology. “Right now there is a lot of desperation for parts that we are now getting more interest.”
Suppliers have provided last order and ship dates for the legacy parts, enabling buyers to make last-time buys for their long-cycle programs. Although most of these EOL PCNs are related to low demand, some could have been accelerated by severe shortages in the market. Suppliers may be shifting the production capacity from the low-volume legacy parts to devices in high demand.
The EOL parts include NPO and X7R dielectric MLCCs in 0402, 0603, 0805, 1206, 1210, and 1812 case sizes, said Vishay. Vishay’s NP0 MLCCs feature capacitance values up to 1 nF with voltage ratings up to 50 V, while the X7R MLCCs offer capacitance values up to 1 μF with voltage ratings to 50 V. SMD and leaded versions are available. Average lead times for production orders are typically 12 to 14 weeks.
A lot of major manufacturers for commodity MLCCs are getting out of lower volume legacy packages and values, said Valletta. “It is volume-related. It’s harder to maintain a lower volume product line.”
“But, for Vishay, we have the capability and capacity to produce those larger cases and fulfill that niche,” added Valletta. “A lot of those case sizes – 0805, 1206 and 1210 – are our sweet spot.”
However, there is one caveat. Vishay uses precious metal electrodes to produce its ceramic capacitors versus base metal electrodes used by many commodity ceramic manufacturers. While these Vishay parts will be more rugged; they also will be more expensive.
Vishay typically supplies higher reliability, higher performance ceramic parts so they likely will be more robust than what’s needed for the commercial application. Buyers will have to weigh the tradeoff between price, availability and performance.
“We are not a big commodity player,” said Valletta. ”Even though we are a big company, we tend to be more niche and high performance in MLCCs. Our parts would be more expensive than larger commodity manufacturers but buyers will be able to get the parts.”