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
Akihabara/Sendai electric parts dealer Japan
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Nanaboshi Electric Mfg. stock list

Sanyo Denki stock list

Sanwa Connector stock list

Heyco Products stock list


Agency makers list

Dealings with various manufacturers, including Nanaboshi Electric, Proterial (Hitachi Cable), and Sanyo Electric

Nanaboshi Electric Mfg. Co. Ltd. (Special-contract agencies)

Metal connectors, waterproof metal connectors, one-touch-lock connectors, high-current connectors, etc.
NCS series, NWPC series, NJC series, NJW series, NR series, NRW series, NET series, NEW series, etc.

Nanaboshi Ltd development center (Special-contract agencies)
All kinds of light-application products, optical communication machinery, light adapters, digital light links, infra-red image / space unit, HD-SDI/SD-SDI optical transmission equipment, etc.

Proterial, Ltd. (Hitachi Cable) (Special-contract agencies)

UL-standard wire cables, domestic-standard wire cables, flat cables (flat aces), ecocables (ECO-GREEN), wiring devices, medical- and industrial-use robot cables, etc.

Sanyo Denki Co., Ltd. (Special-contract agencies)

Cooling fan (AC fan motor, DC fan motor), stepping motor, AC servomotor, DC servomotor, CPU cooler, uninterruptible power supply (UPS), etc.

Hirakawa Hewtech Corp. (Special-contract agencies)

UL-standard wire cables, domestic-standard wire cables, power cables, rodent-proof cables, wiring devices, medical- and industrial-use robot cables, cable assemblies, etc.

Toyozumi Dengenkiki Co., Ltd. (Special-contract agencies)

Transformers built into machines, JIS general transformers, UL/IEC standard transformers, transformers consistent with CE-marking standards, single-phase autotransformers, single-phase double-wound transformers, three-phase double-wound transformers.

I-PEX Inc. (Dai-ichi Seiko) (Authorized Reseller)

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

Sanwa Connector (Special-contract agencies)

Metal connectors, SCK series, SCH series, SCW series, SCN series, etc.

Hakuto Co., Ltd. (Special-contract agencies)

Heyco Products (cable bushings, dome plugs, etc.), Lectra Products (knob springs), FCI Japan (connectors), Samtec (connectors), Souriau Japan, etc.

Tonichi Kyosan Cable, Ltd. (Special-contract agencies)

Light-related products, optical fiber core wires, lead-free optical cords, optical / metal composite cables, fiber optic couplers, LAN-related products, UTP cables, Ethernet cables, transceiver cables, communication cables, instrumentation cables, insulated electric wires and cables, lead-free automobile power cables, vinyl power cables for electronic goods, ultra-heat-resistant power cables, UL / CSA authorized electric wires and cables, wire harnesses for telecommunications equipment, rubber-mold products, etc.

Nichiden Shoko Co., Ltd

CF connectors (general industry waterproof type), PWP connector (water-resistant type), XPC connectors (pressure-resistant explosion-proof), SHI connectors (cast brass type for coastal land and ships), etc.

Other companies
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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