Delivery Robot Electronics for the UAE From Hong Kong: A 33 nF 50 V X7R 0603 Line Has 11 Walsin Part Numbers in 6 Series, the Soft-Termination Rows Allow 0.30 mm of Thickness Tolerance, and 1 Part Is on Our Shelf

A 33 nF, 50 V, X7R, 0603 line gives a UAE buyer 11 Walsin part numbers in 6 series, and 1 is on our Hong Kong list: 0603B333K500. Soft-termination rows print a thickness of 0.80 plus or minus 0.30 mm, against 0.80 plus 0.15 minus 0.10 mm for the plain series, so the tallest body differs by 0.15 mm.

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Venatech Limited, an authorised Walsin distributor in Hong Kong, holds the Walsin Technology (Walsin) MLCC parametric export: 24,026 rows, 23,601 distinct part numbers. This post is for a procurement or design engineer at a UAE maker of delivery robots, sensors or small mobile platforms who needs a second source for a bypass-class X7R capacitor in the 0603 case. Every Walsin part number below is real and every count is ours. Where it states a development, it names the source, the date of the page and the day we fetched it, 2 November 2026.

What did Dubai’s delivery-robot pilot report in August 2026?

That a pilot is running and may grow. Khaleej Times reported on 14 August 2026 that Yango Tech, in partnership with Dubai’s Roads and Transport Authority, runs delivery robots in the Sobha Hartland area with an average delivery time of about 15 minutes, with 10 more robots arriving soon. The company’s stated vision is that around 10 percent of food and grocery orders in the UAE are delivered by robots by 2030, which the article presents as a company aspiration, not an official target.

The article names no component, volume or supplier. We draw no conclusion about which parts any robot maker in the UAE buys, and we have no relationship with Yango Tech or the authority.

Point	What the source says	Source date	Match / mismatch
Pilot	Sobha Hartland, Dubai; average delivery about 15 minutes	Khaleej Times, 14 August 2026	Match for context only
Fleet	10 more robots arriving soon	Khaleej Times, 14 August 2026	Match for context only
2030 vision	About 10 percent of orders; a company aspiration	Khaleej Times, 14 August 2026	Mismatch with any forecast of demand for parts

Which Walsin 0603 parts carry 33 nF at 50 V in X7R?

Eleven. We filtered the MLCC export to size 0603, X7R, 33 nF and 50 Vdc: 11 distinct part numbers in 6 series, and 1 of them, 0603B333K500, is on our Hong Kong list as at 23 September 2026. The last column is for your incumbent part.

Walsin part	Series as exported	Tolerance	Thickness as exported	Stocked	Match / mismatch	Your incumbent
0603B333J500	General Purpose	plus or minus 5%	0.80 plus 0.15 minus 0.10 mm	No	Match on size, value, voltage
0603B333K500	General Purpose	plus or minus 10%	0.80 plus 0.15 minus 0.10 mm	Yes	Match on size, value, voltage
0603B333M500	General Purpose	plus or minus 20%	0.80 plus 0.15 minus 0.10 mm	No	Match on size, value, voltage
MT18B333J500	Automotive, AEC-Q200 (MT)	plus or minus 5%	0.80 plus 0.15 minus 0.10 mm	No	Match on size, value, voltage; mismatch on grade
MT18B333K500	Automotive, AEC-Q200 (MT)	plus or minus 10%	0.80 plus 0.15 minus 0.10 mm	No	Match on size, value, voltage; mismatch on grade
MT18B333M500	Automotive, AEC-Q200 (MT)	plus or minus 20%	0.80 plus 0.15 minus 0.10 mm	No	Match on size, value, voltage; mismatch on grade
MG18B333J500	Automotive without AEC-Q200 (MG)	printed as -0.05	0.80 plus 0.15 minus 0.10 mm	No	Mismatch: the tolerance column is not a tolerance; read the letter J
ST18B333K500	Automotive soft termination, AEC-Q200 (ST)	plus or minus 10%	0.80 plus or minus 0.30 mm	No	Match on size, value, voltage; mismatch on termination and thickness
SG18B333K500	Soft termination SG (Cu-poly)	plus or minus 10%	0.80 plus or minus 0.30 mm	No	Match on size, value, voltage; mismatch on termination and thickness
SH18B333J500	Soft termination SH (Ag-poly)	plus or minus 5%	0.80 plus or minus 0.30 mm	No	Match on size, value, voltage; mismatch on termination and thickness
SH18B333K500	Soft termination SH (Ag-poly)	plus or minus 10%	0.80 plus or minus 0.30 mm	No	Match on size, value, voltage; mismatch on termination and thickness

Across every size and voltage, 33 nF X7R is offered in 169 part numbers in 10 sizes. At 50 V it is offered in 0402 (6 parts), 0603 (11), 0805 (9), 1206 (5), 1210 (2), 1812 (2) and 2220 (1).

How much taller can a soft-termination body be at this line?

By up to 0.15 mm at the top of the tolerance, and 0.20 mm lower at the bottom. We read the thickness column for all 11 rows: the plain, MT and MG parts print 0.80 plus 0.15 minus 0.10 mm, so 0.70 to 0.95 mm, while ST, SG and SH print 0.80 plus or minus 0.30 mm, so 0.50 to 1.10 mm.

For a robot board, soft termination is used where a board flexes or vibrates, and the trade-off is a wider thickness window. A shield can or a stacked module with a 1.00 mm clearance passes the plain series on its upper limit and fails the soft-termination rows. Our post on soft termination MLCC, SH, SG, ST and VT explains what the termination changes.

Which 33 nF X7R sizes have a part on the shelf?

Three, and they are the ones a small robot board uses. We joined the 36 part numbers at 50 V across the seven sizes to our Hong Kong list: 0402, 0603 and 0805 each have one, 0402B333K500, 0603B333K500 and 0805B333K500, all General Purpose at plus or minus 10 percent, and 1206 and larger have none at 50 V.

Size	Parts at 33 nF, X7R, 50 V	On the shelf	Match / mismatch
0402	6	1 (K)	Match on value; smaller footprint
0603	11	1 (K)	Match on value; the line in this post
0805	9	1 (K)	Mismatch with 0603 on footprint
1206	5	0	Mismatch on footprint; none on the shelf at 50 V

A change of case size is a layout change. A plus or minus 10 percent X7R part also moves with DC bias and temperature, which the nominal does not show; our post on MLCC DC bias and voltage derating covers it.

What will we not tell you about the UAE?

Anything about UAE regulation, customs, robot approvals or product conformity. We hold no office, entity or stock in the UAE; our locations are Hong Kong, Shenzhen, Singapore and Jiangmen, with Chengdu in preparation. We state no duty, border procedure, transit time or carrier, and we give no legal or customs advice; confirm with your compliance team.

We also do not say that any part here suits a delivery robot or an outdoor environment. The Walsin sheets list operating temperature and test conditions, not field suitability, and we hold neither ISO 9001 nor IATF 16949 for Venatech.

Why do buyers in the UAE choose Venatech?

Because we show the part, the differences and the shelf in one view. For this one 33 nF line we list all 11 candidates, name the 6 series, show the thickness window for each, and mark the 1 that is on our Hong Kong list, as at 23 September 2026. You can check each statement against Walsin’s own export and approval sheets.

• Authorised. Venatech Limited is an authorised Walsin Technology distributor in Hong Kong. Confirm it with Walsin.
• Small lots welcome. We work from Hong Kong in small lots, which suits a prototype fleet or a pilot build.
• VenaMatch decodes 18 manufacturers’ part numbers and covers 800,000+ crossable parts, with the match and mismatch fields shown for every candidate.
• Documents on request. We hold 28 Walsin datasheets, 451 pages, and send the one covering your part number.
• Checkable credentials. UL file E182369 is in UL’s public database; TUV R50381780 and R50195920, CQC20001280137 (S2) and CQC20001280136 (S3) are named on our safety capacitor series.
• A real address. Unit 207, 2/F, Sun Ling Plaza, 30 On Kui Street, Fanling, N.T., Hong Kong. Phone (852) 2628 4777.

How can Venatech help a UAE robotics maker?

Start with the cross-reference. Paste your incumbent number into the free cross-reference tool, which decodes 18 manufacturers’ part numbers across 800,000+ crossable parts and lists Walsin candidates with match and mismatch fields, or upload a list to the BOM checker, up to 500 part numbers. The Hong Kong ready-stock list is a dated snapshot, 23 September 2026, never live-synced. Walsin is the only line we are authorised for; Stackpole and Viking are lines we supply. Request a quote through the site. Our post on how to cross-reference an MLCC shows the field order.

A worked example from our own export: a 33 nF, plus or minus 10 percent, 50 V, X7R, 0603 line maps to 0603B333K500, on our list; the flex-tolerant candidate is ST18B333K500, AEC-Q200 soft termination, not on it, with a wider thickness window. Our MLCC range lists the families. We hold neither ISO 9001 nor IATF 16949. Qualification stays with you.

The short version

A 33 nF 50 V X7R 0603 line is 11 Walsin part numbers in 6 series, 1 on our list. Soft-termination rows print 0.80 plus or minus 0.30 mm against 0.80 plus 0.15 minus 0.10 mm. At 50 V the shelf holds one K part in each of 0402, 0603 and 0805.

Send us one 0603 X7R number from your bill of materials and we will return the Walsin parts with every difference stated. What is the tightest height clearance above that capacitor on your robot board?

Sources

Fetched 2 November 2026. The development statements above come from these pages; the part data comes from our own Walsin exports and stock list.

• Khaleej Times, “Dubai set to lead the autonomous delivery revolution”, dated 14 August 2026: https://www.khaleejtimes.com/business-technology-review/dubai-set-to-lead-the-autonomous-delivery-revolution
• Walsin approval sheet, Soft Termination SH series: https://www.passivecomponent.com/wp-content/uploads/datasheet/WTC_MLCC_Soft_term_SH.pdf
• Walsin approval sheet, General Purpose MLCC: https://www.passivecomponent.com/wp-content/uploads/datasheet/WTC_MLCC_General_Purpose.pdf

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Frequently asked questions

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