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  6. Toroidal transformer coil (f = 50/60Hz to several kHz).

Toroidal transformer coil (f = 50/60Hz to several kHz).

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last updated:Jun 05, 2026

日幸電機 仙台営業所
日幸電機 仙台営業所
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A high-end transformer boasting excellent efficiency and voltage fluctuation rate, with low leakage and space-saving design!

Our company uses toroidal cores and can manufacture according to design specifications such as any number of turns, inductance, and current values. Since we use cores that do not require cutting processes and can maximize magnetic properties, it is possible to achieve high efficiency and compactness/lightweight design. These can be used in broadcasting equipment, measuring instruments, medical devices, audio equipment, etc. 【Features】 - High-quality transformers with excellent efficiency and voltage fluctuation rates, low leakage, and space-saving design - Use of cores that do not require cutting processes and can maximize magnetic properties - Capable of achieving high efficiency and compact/lightweight design - Custom manufacturing according to design specifications such as any number of turns, inductance, and current values - Support for complex hand-wound toroids *For more details, please refer to the PDF materials or feel free to contact us.

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2022-12-14_15h17_00.png

Toroidal transformer coil (f = 50/60Hz to several kHz).

2022-12-14_15h17_00.png
2022-12-14_15h17_00.png
  • Related Link - http://www.nikkodenki.com/products/transformer/tor…

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basic information

【Core Size (Guideline)】 ■ Suitable for Hand-Winding  ・Outer Diameter: 70mm Max  ・Inner Diameter: 15mm Min  ・Height: 15mm Max ■ Suitable for Automatic Winding  ・Outer Diameter: 200mm Max  ・Inner Diameter: 35mm Min  ・Height: 120mm Max *For more details, please refer to the PDF document or feel free to contact us.

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Applications/Examples of results

[Applications] ■ Broadcasting equipment, measuring instruments, medical devices, audio equipment, etc. ■ Communication devices thriving with 5G, as well as industrial machinery such as audio equipment and semiconductor manufacturing equipment. *For more details, please refer to the PDF document or feel free to contact us.*

catalog(6)

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- Toroidal transformer - Toroidal coil [Nikko Electric Co., Ltd., a domestic transformer manufacturer in Miyagi Prefecture]

- Toroidal transformer - Toroidal coil [Nikko Electric Co., Ltd., a domestic transformer manufacturer in Miyagi Prefecture]

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Nichiko Electric Co., Ltd. [Official LINE Account] QR Code

Nichiko Electric Co., Ltd. [Official LINE Account] QR Code

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JECA FAIR 2024 Notice of Participation in the 72nd Electrical Installation Industry Exhibition (Nikko Electric Co., Ltd. Custom-Made Transformers)

JECA FAIR 2024 Notice of Participation in the 72nd Electrical Installation Industry Exhibition (Nikko Electric Co., Ltd. Custom-Made Transformers)

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Do you have any concerns about transformers? Leave it to Nichiko Electric! Large transformer flyers in cases!

Do you have any concerns about transformers? Leave it to Nichiko Electric! Large transformer flyers in cases!

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【Exhibition Information】We will be exhibiting at the "Industrial Exchange Exhibition 2024 @ Tokyo Big Sight" from November 22 (Wednesday) to 24 (Friday), 2024!

【Exhibition Information】We will be exhibiting at the "Industrial Exchange Exhibition 2024 @ Tokyo Big Sight" from November 22 (Wednesday) to 24 (Friday), 2024!

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Max Corporation Tube Marker [Letter Twin] Function Comparison Table (Nikko Electric Sendai Sales Office)

Max Corporation Tube Marker [Letter Twin] Function Comparison Table (Nikko Electric Sendai Sales Office)

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【Nihon Kōdenki Exhibition Information】We will be exhibiting at the "Industrial Exchange Exhibition 2024 @ Tokyo Big Sight" from November 22 (Wednesday) to November 24 (Friday), 2024!

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  • Seminar・Event

Our company will be exhibiting at the "Industrial Exchange Exhibition 2024" held at Tokyo Big Sight from November 22 (Wednesday) to November 24 (Friday), 2024. Exhibition: "Industrial Exchange Exhibition 2024" (https://www.sangyo-koryuten.tokyo/) Schedule: November 22 (Wednesday) to November 24 (Friday), 2024 Time: 10:00 AM to 5:00 PM (until 4:00 PM on the final day) Location: Tokyo Big Sight, West Halls 1 & 2, Atrium Address: 3-11-1 Ariake, Koto-ku, Tokyo 135-0063 Booth No.: To be announced upon confirmation. [Nikko Electric Co., Ltd. Satellite ★ Akiba] Address: 4th Floor, Yuki Building, 23-2 Kanda Higashimatsushita-cho, Chiyoda-ku, Tokyo TEL: 03-3518-5050 FAX: 03-3518-5051 http://www.nikkodenki.com

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Oosaki Industrial Fair 2025 (Nikko Electric Co., Ltd. Sendai Sales Office)

We will be exhibiting at the "Oosaki Industrial Fair 2025 (October 17th (Friday) and 18th (Saturday) at Takakatsu Arena Oosaki)" at the Nikkou Electric Sendai Sales Office booth!

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  • Seminar・Event

The "Osaki Industrial Fair 2025" will be held at Takakatsu Arena Osaki in Osaki City, Miyagi Prefecture, on October 17 (Friday) and October 18 (Saturday), and the Nikkou Electric Sendai Sales Office will be exhibiting. The Nikkou Electric Sendai Sales Office is a "specialist group in snow melting," providing proposals and installations of snow melting equipment throughout the Tohoku region. We also handle repairs and maintenance of electric motors, as well as electrical materials (such as crimp terminals and circuit breakers). Our company is strongly associated with "Transformers Nikkou Electric," so please take this opportunity to visit our booth at the "Osaki Industrial Fair 2025." ◎ Osaki Industrial Fair 2025 https://osaki-industries.com/ Date and Time: October 17 (Friday) and October 18 (Saturday), 10:00 AM to 4:00 PM Venue: Takakatsu Arena Osaki (Osaki City Furukawa General Gymnasium) 4-5-2 Asahi, Furukawa, Osaki City, Miyagi Prefecture Admission: Free Organizer: General Incorporated Association Osaki Industrial Promotion Organization, Osaki City

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Reiwa Year 7 Sennan Region Manufacturing Promotion Seminar and Exhibition Exchange Meeting (at Miyagi Prefecture Okawara Joint Government Building, 4th Floor "Large Conference Room") Organized by Sennan Wide Area Industrial Association and Miyagi Prefecture Okawara Regional Promotion Office.

  • UPDATE
  • Seminar・Event

On November 14, the "2025 Sennan Region Manufacturing Promotion Seminar and Exhibition Exchange Meeting" will be held. Nichiko Electric Co., Ltd. will also present improvement case studies at the Kaizen presentation session. Since it is a pre-registration system (free of charge), we would be grateful if you could apply and attend on the day. ◎ 2025 Sennan Region Manufacturing Promotion Seminar and Exhibition Exchange Meeting (Pre-registration required, free of charge) Date and Time: November 14, 2025 (Friday) 12:40 PM - 4:40 PM Venue: Miyagi Prefecture Okawara Joint Government Building, 4th Floor "Large Conference Room" (Address: 129-1 Minami, Okawara Town, Shibata District, Miyagi Prefecture) Organizer: Sennan Wide Area Industrial Association (NPO), Miyagi Prefecture Okawara Regional Promotion Office Co-sponsor: Miyagi Prefecture Business Owners Association Sennan Branch Miyagi Prefecture Okawara Regional Promotion Office, Regional Promotion Department (Contact: Yokoyama) TEL: 0224-53-3199 / FAX: 0224-53-3076 Please fill out the attached application form and apply via email. Application Deadline: October 27, 2025 (Monday) (Note) Members of the Sennan Wide Area Industrial Association (NPO) should also apply by the above date.

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[Exhibition Information] We will be exhibiting at the "Industrial Exchange Exhibition 2024 @ Tokyo Big Sight" from Wednesday, November 22 to Friday, November 24, 2024!

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  • Company news

Our company will be exhibiting at the "Industrial Exchange Exhibition 2024" held at Tokyo Big Sight from November 22 (Wednesday) to 24 (Friday), 2024. Exhibition: "Industrial Exchange Exhibition 2024" (https://www.sangyo-koryuten.tokyo/) Schedule: November 22 (Wednesday) to 24 (Friday), 2024 Time: 10:00 AM to 5:00 PM (until 4:00 PM on the last day) Location: Tokyo Big Sight, West Hall 1 & 2, Atrium Address: 3-11-1 Ariake, Koto-ku, Tokyo 135-0063 Booth No.: To be announced. [Nikko Electric Co., Ltd. Satellite ★ Akiba] Address: 4th Floor, Yuki Building, 23-2 Kanda Higashimatsushita-cho, Chiyoda-ku, Tokyo TEL: 03-3518-5050 FAX: 03-3518-5051 http://www.nikkodenki.com

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Company information

日幸電機

日幸電機 仙台営業所

Electrical equipment construction business

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At the "Osaki Industrial Fair 2025" held on October 17th (Friday) and 18th (Saturday) of Reiwa Year 7, we were fortunate to connect with many people. Thank you to everyone who attended. ☆☆☆☆★☆☆☆☆★☆☆☆☆★☆☆☆☆★☆☆☆☆ As the general agent for floor heating systems and snow melting systems, we respond to a variety of needs not only in general residences across Tohoku but also in welfare facilities and public institutions, with the latest system variations and comprehensive total support. You can experience comfortable warmth from the morning with heat stored overnight. The "storage-type floor heating system," which utilizes nighttime electricity, is economical and represents the ideal system of having a cool head and warm feet. Since it does not use any open flames indoors and does not require space for heating equipment, it is perfect for nurseries, kindergartens, and welfare facilities.

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