Aerospace MRO Test Equipment Electronics in Thailand: A 27 pF NP0 0805 50 V Brief Returns 13 Walsin Rows in 5 Series in 3 Thickness Classes, and the 1 on Our Shelf Is the 0.60 mm Part

Aerospace maintenance hubs in Thailand run on test benches and shop instruments full of small NP0 capacitors. We searched the Walsin Technology (Walsin) MLCC export for 0805, NP0, 27 pF, 50 V: 13 rows in 5 series and 3 thickness classes, 0.60, 0.80 and 0.85 mm, and the 1 row on our Hong Kong shelf is the 0.60 mm part.

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Venatech Limited, an authorised Walsin distributor in Hong Kong, holds the Walsin MLCC export of 23,601 distinct part numbers and a stock list dated 23 September 2026. This post is for a design or procurement engineer at a Thai test-equipment builder, MRO shop or ground-support integrator who has a 27 pF capacitor on a bill of materials and wants a second source in small lots from Hong Kong. Every Walsin part number is real, every count is ours, and the one news statement names its source and the day we fetched it, 2 November 2026.

What does the U-Tapao MRO hub say to an aerospace-electronics buyer?

The Thai government portal reported on 9 March 2026 that Thai Airways will invest more than 13 billion baht in a maintenance, repair and overhaul hub at U-Tapao, with a smart hangar on 33.6 hectares under a 50-year EEC lease, construction from 2027 to 2030, and Bangkok Airways planning a narrow-body hangar. The article names no component.

We draw no link between the article and any part, and we say nothing about any airline’s or repairer’s suppliers. Our view, labelled as ours: a hangar runs on test benches, ground-support equipment and shop-floor instruments, and a 27 pF position is one of thousands on such boards. We have no relationship with Thai Airways, Bangkok Airways, the EEC or any supplier.

Which Walsin rows answer a 27 pF, NP0, 50 V, 0805 line?

There are 13, in five series. We parsed the 23,601 distinct MLCC part numbers in the Walsin Technology (Walsin) export and found 13 at 0805, NP0, 27 pF and 50 V: 4 general purpose, 3 high Q (HH), 3 microwave (RF), 2 AEC-Q200 compliant (MT) and 1 automotive without AEC-Q200 (MG). The export spells the dielectric NPO with the letter O. We have not seen this counted anywhere.

Walsin part	Series (as exported)	Tolerance as exported	Thickness as exported	On shelf 23 Sep 2026	Match / mismatch against 27 pF, NP0, 50 V, 0805, 5%
0805N270J500	General purpose	+-5%	0.60+-0.10	Yes	Match on all five fields
MT21N270J500	Automotive, AEC-Q200 compliant (MT)	+-5%	0.60+-0.10	No	Match on all five fields; mismatch in grade
HH21N270J500	High Q (HH)	+-5%	0.80+-0.10	No	Match on value, voltage, size and tolerance; mismatch in height, 0.80 mm
RF21N270J500	Microwave (RF)	+-5%	0.85+-0.10	No	Match on value, voltage, size and tolerance; mismatch in height, 0.85 mm
MG21N270J500	Automotive, no AEC-Q200 (MG)	-0.05	0.60+-0.10	No	Match by the code letter J; mismatch in the column, which holds -0.05
0805N270G500	General purpose	+-2%	0.60+-0.10	No	Mismatch: 2%, not 5%
0805N270K500	General purpose	+-10%	0.60+-0.10	No	Mismatch: 10%, not 5%
Your incumbent					Write your own field values here

The table shows the 5% rows and two neighbours; the full list is in the tool. Our post on what AEC-Q200 actually certifies explains why we write compliant and never certified.

Why do 13 rows fall into three thickness classes?

Because the series, not the capacitance, sets the height. Seven rows are 0.60+-0.10 mm, 3 high Q rows are 0.80+-0.10 mm and 3 microwave rows are 0.85+-0.10 mm, all at the same 27 pF, 50 V and 0805 size.

A keep-out or a stencil sized for 0.60 mm needs a check before a high Q or microwave part is fitted. We measured the split on the same 13 rows. Separately, a 5% column filter finds 4 rows while the letter J finds 5, because MG21N270J500 prints -0.05.

What does the Hong Kong shelf hold for this line?

One of the 13, and it is a 0.60 mm part. As at 23 September 2026 our ready-stock list holds 1,125 distinct part numbers, and 0805N270J500, the 5% general-purpose row, is the only one of these 13 on it.

The ready-stock list is a dated snapshot, never live-synced, and we quote part-number counts, never piece counts. A row off the shelf is a factory order requested through the site, and we promise no lead time.

What will we not tell you about aerospace?

Anything about airworthiness or suitability. We searched the text of all 28 Walsin datasheets we hold, 451 pages, for aerospace, avionic and aircraft and found 0 matches for each.

Venatech makes no aviation, space or defence claim and holds no aerospace approval. This brief is for ground test and shop equipment only; qualify in your own product and confirm requirements with your customer. We give no regulatory advice.

Why buyers in Thailand choose Venatech

A Thai engineer reading a 13-row table wants the height classes counted: 13 rows, 5 series, 3 thicknesses, 1 on a dated shelf. Here is what we are good at, stated plainly.

• Thailand is a market we serve from Hong Kong. We hold no office, entity or stock in Thailand; our locations are Hong Kong, Shenzhen, Singapore and Jiangmen, with Chengdu in preparation.
• We count the height classes. A 13-row brief where the same 27 pF part is 0.60, 0.80 or 0.85 mm tall is the table a test-equipment buyer needs, and we send the thickness column filled in.
• Walsin is our manufacturer, and we say so plainly. Venatech Limited is an authorised Walsin distributor in Hong Kong; confirm it with Walsin. Stackpole and Viking are lines we supply, not authorised lines.
• We show the mismatches as well as the matches. We will not tell you a part is a drop-in; we will show you where it differs, field by field.
• The tool does the first pass. VenaMatch decodes 18 manufacturers’ part numbers and covers 800,000+ crossable parts; paste up to 500 numbers or drop an Excel or CSV file.
• Small lots are welcome. We are Hong Kong-based and quote through the site, and we make no promise on price, lead time or stock.
• Check us. UL file E182369 is in UL’s public database for the S2 safety series, and we hold 28 Walsin datasheets, 451 pages, sent on request.

How can Venatech help a Thai buyer cross a 27 pF line?

By showing the differences instead of hiding them, in small lots. Venatech Limited is an authorised Walsin distributor in Hong Kong. Walsin is our only authorised line; Stackpole and Viking are lines we supply.

• Cross-reference. Paste your incumbent number into the free cross-reference tool, which decodes 18 manufacturers’ part numbers across 800,000+ crossable parts, and read the Walsin candidates with each field marked match or mismatch.
• BOM check. Upload the whole board to /bom/, up to 500 part numbers or an Excel or CSV file.
• Ready stock. The ready-stock list is a Hong Kong snapshot dated 23 September 2026, never live-synced.
• Service. Hong Kong-based, small lots, help with cross-referencing by hand when the tool returns no clean candidate, and a quote requested through the site.

Worked example from our own export: a 27 pF, NP0, 50 V, 0805, 5% brief maps to 0805N270J500 for a general-purpose 0.60 mm body, to MT21N270J500 for the AEC-Q200 compliant series, and to HH21N270J500 only after you accept 0.80 mm. Confirm against both datasheets and qualify in your own circuit. We hold no office, entity or stock in Thailand; our locations are Hong Kong, Shenzhen, Singapore and Jiangmen, with Chengdu in preparation.

Further reading: the NP0, X7R and X5R dielectrics, Walsin passive components in Hong Kong stock and the MLCC range.

The short version

For a Thai aerospace-MRO test-equipment buyer, a 27 pF NP0 0805 50 V line splits Walsin’s export into 13 rows in 5 series and 3 thickness classes; the 1 row on the Hong Kong shelf is 0.60 mm. Decide which of series, height and tolerance you can trade.

Send us one NP0 capacitor from a test-bench board and we will return the Walsin candidates with every difference stated and the stock position named. If your layout assumes 0.60 mm, which of your alternates is taller?

Sources

Fetched on 2 November 2026 with WebSearch and WebFetch; the pages below are the only sources for news and market statements in this post.

• Government of Thailand, “Thai Airways to invest THB13bn in U-Tapao MRO hub, strengthening Thailand’s aviation ecosystem”, 9 March 2026: https://www.thailand.go.th/issue-focus-detail/thai-airways-to-invest-thb13bn-in-u-tapao-mro-hub-strengthening-thailands-aviation-ecosystem

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Frequently asked questions

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