More than 74 years as an electronic component trading company specializing in Akihabara Electric Town
connector, cable and wire, coolling fan, cable assembly, Control components, Various electronic components sale and wholesale
electric parts dealer TOMINAGA ELECTRIC CO.,LTD
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Nanaboshi Electric Mfg. stock list

Sanyo Denki stock list

Sanwa Connector stock list

Heyco Products stock list


Nanaboshi Electric Mfg. Co. Ltd. Connectors, Other Connectors

Metal connector, Waterproof connector, Coaxial connector, Nylon connector, Cable assembly, etc.

Introduction of connector manufacturers such as Nanaboshi Electric Mfg. Co., Ltd. and other leading manufacturers such as Toyo Connector, etc., as well as introduction of major connectors such as metal connectors or water-resistant connectors.

Nanaboshi Electric

Nanaboshi Electric Metal connector
Various metal connector types from multipolar connectors for signaling to high-voltage high-current connectors.

General purpose metal connectors for indoor use
Basic type of metal connector used for various circuits.
Mechanically/electrically stable NCS series due to its robust and simple structure; NJC series compliant with various regulations such as UL/CSA standards, European Safety Standard, Electrical Appliances and Material Safety Act, JIS C 5432; NR series with one touch lock; and various general purpose metal connectors.

Water-resistant metal connectors for outdoor use
Metal connectors (plugs) with a water-resistant structure.
Robust and mechanically/electrically stable, water-resistant NWPC series; Water-resistant NJW series compliant with UL/CSA Standards, Electrical Appliances and Material Safety Act, and various other standards; Water-resistant NRW series with one touch lock; and other general purpose, water-resistant connectors.

All other series by Nanaboshi Electric Mfg. Co., Ltd.
Aside from the connector series indicated above, we handle and stock all Nanaboshi Electric Mfg. products such as NHVC connector series for high-voltage, JIS D 6606 compliant 7TP/7TS for trailers, water and oil-resistant NT series for machine tools, NM series for low-voltage high-current, etc.


I-PEX connector
Micro RF Coax Connector

Micro-Coax Connector etc.
Micro RF Coax Connector, Micro-Coax Connector, FPC/FFC Connector, Docking Connector, etc.

Designs and manufactures small form factor precision connectors for high speed and high frequency applications.

Sanwa connector

Sanwa connector
SCK, SCH series

Metal Connector
Various metal connectors (connector plugs), high-voltage connector, high-current connector, connector for trailers, high frequency coaxial connector, etc.
SCK, SCH, SCW, SCHW, other Sanwa Connector products and various stocks.

NIchiden Shoko

Waterproof connector
CF series general industry type water-resistant connectors

Special Purpose Metal Connector
CF type connector (water-resistant, general industry type), SHI type connector (water-resistant for ships and coastal use), MC type connector (for use in boxes with many circuit changes), PWP type, NTG type connector (nuclear power plant containment vessel specifications), ZBC type connector (for use in thermal power plant electric valve actuator), XPC type connector (pressure-resistant, explosion-proof, made of corrosion-proof aluminum casting), and other various connectors by Nichiden Shoko Co., Ltd.

TO-Conne(Toyo Connector)

Coaxial connector
Coaxial connector

BNC, TNC, N, M, and other RoHS compliant coaxial connectors in stock.
RoHS compliant coaxial connectors by Toyo Connector in stock. Available for immediate delivery.

Connector other than the above

The inquiry about the product and the business, please contact us via our inquiry page, or please refer by contents at the following.
If you are in a hurry to purchase the product
Fukunaga Dengyou(e-commerce) TEL: 81-3-3251-0445 FAX: 81-3-3251-8523
If you want continuous business
Sales department TEL: 81-3-3255-4320 FAX: 81-3-3255-5034
If you want overseas (China, Taiwan) local direct business
Overseas sale partner
Main manufacturer and product


Cable and wire

Fan and motor


Transformer etc.


Electronic parts wholesale and retail mail order.
Electronic parts wholesale
and retail mail order.
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