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  3. 日本エレパーツ
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Electronic Components and Semiconductors
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日本エレパーツ

EstablishmentJuly 1, 1981 (Showa 56)
capital1000Ten thousand
number of employees43
addressTokyo/Ota-ku/4-14-2 Nishirokugo
phone03-3735-8707
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last updated:Jan 09, 2026
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日本エレパーツ Product Lineup

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Coaxial cable for robots (flexible and bendable cable) Coaxial cable for robots (flexible and bendable cable)
2.92mm (K) Low-cost high-performance cable 2.92mm (K) Low-cost high-performance cable
Waterproof BNC connector Waterproof BNC connector
White coaxial cable White coaxial cable
4.3/10 type connector 4.3/10 type connector
SMA connector SMA connector
SMB connector SMB connector
N-type connector N-type connector
BNC connector BNC connector
TNC connector TNC connector
MMCX connector MMCX connector
MCX connector MCX connector
M-type connector M-type connector
F-type connector F-type connector
Waterproof connector Waterproof connector
Reverse connector Reverse connector
Mini Pico Connector Mini Pico Connector
75Ω connector 75Ω connector
R&D Support R&D Support
Coaxial cable for wireless modules Coaxial cable for wireless modules
Semi-rigid cable Semi-rigid cable
Coaxial cable processing Coaxial cable processing
Manufacturer direct sales site Manufacturer direct sales site
Coaxial connector Coaxial connector
Coaxial cable Coaxial cable
50Ω connector 50Ω connector
50Ω

50Ω connector

We would like to introduce the "50Ω connector" that we handle. This connector is impedance-matched to 50Ω among coaxial connectors and is widely used from low frequency to high frequency. It is said that 50Ω has become the standard as it provides average performance in various aspects such as loss, power, insulation breakdown, and ease of manufacturing. Many high-frequency network analyzers are designed to connect to 50Ω components.

SMA connector

SMA:Sub Miniature Type A Connector

Our company aims to have the best lineup of SMA connectors in Japan, along with manufacturing and processing facilities. To meet the diverse needs of our customers, we are focusing on providing custom-shaped SMA connectors, as well as offering products in the same shape as those discontinued by other manufacturers. SMA connectors are required in a wide range of fields, including communication equipment, measuring instruments, and radio devices, due to their high reliability and excellent electrical characteristics. We strive to provide suitable solutions, including waterproof and drip-proof options, by enabling customization based on specific requests from our customers for this important component. Leveraging our extensive experience and technical expertise in the manufacturing and processing of high-quality SMA connectors, we will deliver products that exceed customer expectations, regardless of how unique the shape or specifications may be. We look forward to your inquiries regarding various needs related to SMA connectors. *For more details, please download the materials or feel free to contact us.*

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SMB connector

SMB:Sub Miniature Type B

This is a high-reliability connector that emphasizes connection stability, mechanical properties, and high-frequency performance. *For more details, please download the materials or feel free to contact us. *Please also take advantage of our automatic quotation system, which allows for free and easy estimates.

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N-type connector

N:TYPE-NAVY Connector

The origin of the name "N connector" is commonly said to come from the TYPE-NAVY connector, but in fact, the "N" comes from the initials of one of the engineers who developed this connector, Paul Neill from Bell Labs. This connector is mainly used in radio communication and measurement equipment. It has good frequency characteristics and is primarily used in the UHF band. In ham shops, it is sometimes referred to as the Nancy connector using phonetic code. The standard characteristic impedance is 50Ω, but there are also 75Ω versions. The N connector specified by NTT is called the S-type connector, but due to issues with contact length, it is not compatible with the standard N connector. *For more details, please download the materials or feel free to contact us. *Please also take advantage of our automatic quotation system, which allows for free and easy estimates.

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BNC connector

BNC:Bayonet Neill Connector

This is an easy-to-remove connector with a mechanism (bayonet type) that can be locked simply in one motion without using screws. *For more details, please download the materials or feel free to contact us.

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TNC connector

TNC:Twist Connector

The locking mechanism of the BNC connector has been made screw-type, resulting in high connection stability. It is smaller than the N-type connector and easier to handle than the SMA connector. *For more details, please download the materials or feel free to contact us.*

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MMCX connector

MMCX:Micro Miniature Coaxial Connector

This is a high-reliability connector that emphasizes connection stability, mechanical properties, and high-frequency performance. *For more details, please download the materials or feel free to contact us.*

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MCX connector

MCX:Miniature Coaxial Connector

The MMCX connector is smaller than the SMB connector and allows for space-saving installation. It is a highly reliable connector that emphasizes connection stability, mechanical properties, and high-frequency performance. *For more details, please download the materials or feel free to contact us.*

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M-type connector

M:UHF Connector

The type with a millimeter pitch screw section is called an M-type connector. The type with an inch pitch screw section is called a UHF-type connector. We also handle M-type connectors and UHF connector-compatible connectors (jacks). *For more details, please download the materials or feel free to contact us.

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F-type connector

F:Frequency Connector

F-type connectors are inexpensive, and many of them have an impedance matching of 75Ω. Recently, the frequency range has also extended, and there are cases where they are used at frequencies above 3GHz. In such cases, they may also be referred to as C15-type connectors. *For more details, please download the materials or feel free to contact us.*

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TMP connector: mini pin connector: SP connector

Low price, short delivery time, connectors frequently used in amateur radio.

It will be a reliable and proven low-cost connector. *For more details, please download the materials or feel free to contact us.*

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50Ω Connector.com

From low frequency to high frequency! We handle "50Ω connectors" compatible with industrial applications for your peace of mind.

At "50Ω Connector.com," we accept custom processing. "50Ω Connector" refers to coaxial connectors that are impedance-matched to 50Ω and are widely used from low frequencies to high frequencies. It is said that 50Ω has become the standard due to its average performance in various aspects such as loss, power, and ease of manufacturing, and many high-frequency network analyzers worldwide are designed to connect to 50Ω components. We can process small lots, short delivery times, and bending processing according to your requests. For anything related to 50Ω coaxial connectors and cables, please leave it to us. 【Features】 ■ Widely used from low frequencies to high frequencies ■ Many high-frequency network analyzers worldwide can be connected ■ Reliable industrial equipment compatibility *For more details, please refer to the external link page or feel free to contact us.

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Waterproof coaxial connector

Waterproof rating IP65/IP66/IP67

The waterproofing of coaxial connectors basically includes engagement waterproofing, panel waterproofing, and open waterproofing (panel front waterproofing). ■ Engagement waterproofing: Guarantees waterproofing when the connector is engaged. ■ Panel waterproofing: Guarantees waterproofing at the panel section. ■ Open waterproofing: Guarantees waterproofing even when water is directly sprayed on the connector engagement area. Custom specifications for product creation are also possible depending on the type of cable and its application. We can introduce connectors that meet the user's requirements, not only our own connectors but also those from both domestic and international sources. □ The standards and testing methods for waterproofing are as follows: IP65: Completely dust-tight + no issues with direct water jets from any angle. IP66: Completely dust-tight + no issues with intense direct water jets from any angle. IP67: Completely dust-tight + no issues with immersion in water. *For more details, please refer to the PDF materials or feel free to contact us.

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Semi-rigid connector

Semi-Rigid: For Semi-Rigid Cable Connector

This is a connector that can be used with cables that have excellent high-frequency characteristics. It is recommended to select this connector when using high-performance cables. Forming (bending) processing is difficult. *For more details, please download the materials or feel free to contact us.*

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Semi-flexible connector

Semiflex: For Semiflex Cable Cable Connector

This connector can be used with cables that have excellent high-frequency characteristics. It is recommended to select this connector when using high-performance cables. Forming processing (bending processing) is also possible. *For more details, please download the materials or feel free to contact us.*

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Reverse connector

The center contact differs from the standard.

This is an excellent connector designed to prevent installation mistakes. *For more details, please download the materials or feel free to contact us. *Please also take advantage of our automated quotation system, which allows for free and easy estimates.

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3D Cable with SMA Plug and Jack for Relay

3D cable with SMA plug and jack for relay use

SMA Extension Cable Lineup 3D-2V Cable (High Performance / Indoor Use)

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SMA dual-end plug 1.5D cable for relay use

SMA both-end plug 1.5D cable for relay use

SMA Extension Cable Lineup 1.5D-2V Cable (High Performance / Indoor Use)

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2.92mm(K) Low-cost high-performance cable

2.92mm(K) Low-cost high-performance cable

This is a low-cost, high-performance cable that supports up to 40GHz. The 2.92mm (k) connector is compatible with SMA and 3.5mm connectors.

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