Junkosha Inc.

Junkosha is a pioneer of sophisticated fluoropolymer application technologies across a broad selection of industries, including the microwave interconnect sectors.

Our mantra – indeed the name Junkosha – is based on three Japanese characters that spell out the fact “we contribute to society’s development through technology”. This is taken one step further in our relationship with customers, partners and suppliers whereby our mission is to “enable technology innovators” through our products and the way we do business.

Reflecting our corporate motto of “delivering unsurpassed value,” Junkosha continually focusses on activities that address the unmet needs of our customers worldwide. Across the company, Junkosha delivers products that are of the highest quality, this in turn calls for the highest performance and dilligence from staff and partners. In order to realize this, Junkosha strives to anticipate customer needs while achieving complete customer satisfaction. Every day, we are challenged to “develop advanced technologies”, “improve our products’ capabilities", and “seek new applications”. We respond to our customer’s requirements quickly, responsively and cost effectively.

Contact Details

Japan Office

Junkosha Inc.

12F Ochanomizu-Kyoun Bldg.

2-2 Kanda-Surugadai, Chiyoda-ku, Tokyo

101-0062

Phone: +81-3-3518-6550

West Coast Office

Junkosha USA Inc.

18201 Von Karman Avenue, Suite 1080

Irvine, CA 92612

Phone: +1-949-825-6177

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Products

Junkosha - MWX0 Series cables - Enhanced Phase Stability for Precision Measurements

Junkosha - MWX0 Series cables - Enhanced Phase Stability for Precision Measurements

MWX0 series provides excellent phase stability against both bending and temperature fluctuations from -30 to +85°C. They are ideal for use with Vector Network Analyzers for precision measurement requirements.

Junkosha - MWX0 Series3.5mm(m) Connector Multi-lock type

Junkosha - MWX0 Series3.5mm(m) Connector Multi-lock type

For the phase stabilized measurement MWX021, the "Multi Lock type" is available. It is a new type 3.5-mm connector that not only can be easily attached and detached, but also has high phase stability.

Junkosha - MWX001 & MWX002 cables - Over 110GHz type

Junkosha - MWX001 & MWX002 cables - Over 110GHz type

  • Junkosha offers two types of 110 GHz cables for measuring instruments.Junkosha offers two types of 110 GHz cable assemblies for measuring instruments.
  • Our MWX001 assembly features the lowest insertion loss among any cables for measuring applications requiring flexiblity. Our MWX002 assembliy boasts industry leading phase stability against bending.
  • In addition, our MWX002 enables measurement with frequencies up to 120GHz.
  • Customers can select the optimal assemblies according to their testing needs.

Junkosha - MWX1 Series cables - Wide operational temperature range and High durability for precision measurements

Junkosha - MWX1 Series cables - Wide operational temperature range and High durability for precision measurements

  • MWX121 - Heat Resistant - offers a wide temperature range from -65 to +125°C.
  • MWX122 - High Durability - offers excellent cable durability against repeated bending.

Junkosha - MWX161 Phase Stability & Slim Cable - Up to 67 GHz

Junkosha - MWX161 Phase Stability & Slim Cable - Up to 67 GHz

  • Cable assemblies with small diameter at neck part and the most suitable for multi-port VNA.
  • Torque Driver is available to mount on narrow pitch connector arrangement board.
  • Cable assemblies with excellent phase stability against bending and temperature.
  • Cable assemblies with excellent mechanical characteristics using SUS flexible tubing for protection.
  • Wide range of connectors: 3.5 mm, 2.92 mm, 2.4 mm and 1.85 mm

Junkosha - MWX2 Series cables - Phase stability and added mechanical flexibility for precision measurements

Junkosha - MWX2 Series cables - Phase stability and added mechanical flexibility for precision measurements

MWX2 series features superior mechanical flexibility which facilitates excellent measurement operation. Consequently there is no need to add any extra stress to the Devices under Test.
MWX2 series is inherently soft in terms of flexiblity and is available in a variety of frequencies ranging from 12, 18, 26.5, 40, 50 and 67 GHz with the appropriate connectors.

Junkosha - MWX3 Series cables - Standard Assemblies for Equipment Wiring

Junkosha - MWX3 Series cables - Standard Assemblies for Equipment Wiring

An extensive range of cables are available with a wide operating temperature range .
MWX3 series uses a porous PTFE dielectric material to ensure excellent phase stability against temperature fluctuations (continuous operational temperature range: -65 to 125°C (-30 to 85°C for MWX315)).

Junkosha - MWX4,5 Series cables - Formable Series for Fixed Wiring

Junkosha - MWX4,5 Series cables - Formable Series for Fixed Wiring

MWX4 and 5 series offer formability. This equates to ease of use - ideal for internal and external wiring applications, especially if these applications support high frequencies up to 67 GHz with lower insertion loss than semi-rigid cables. A broad range of connectors are available to meet your specific needs.

Junkosha - MWX6 Series cables - Highly Precise Skew Matching Assemblies

Junkosha - MWX6 Series cables - Highly Precise Skew Matching Assemblies

Skew between two cables is less than 1psec. Highly precise skew matching cable assemblies with less than 1psec skew between the pair for measurement of digital transmissions. This cable series has low insertion loss, appropriate for measuring high-precision differential transmission signals. Four types of cables are available with a variety of frequencies (26.5GHz, 40GHz, 50GHz and 67GHz).


  • Four electrically isolated inputs
  • CAT III 1000 V / CAT IV 600 V safety rated
  • 100 MHz bandwidth model
  • 1.25 GS/s
  • Deep memory: 10,000 samples per channel waveform capture so you can zoom in on the details
  • Quad meter measurements via scope BNC inputs
  • Connect-and-View continuous auto-trigger, single shot, pulse width, and video triggering
  • ScopeRecord roll mode, capture waveform sample data for up to 48 hours
  • TrendPlot, trend measurement readings for up to 22 days
  • Advanced automatic measurements, power (Vpwm, VA, W, PF) and time (mAs, V/s, w/s)
  • IP-51 rated for dust and drip proof to withstand harsh environments
  • Isolated USB ports for memory devices and PC connectivity
  • Li-Ion battery for extended operating timespan: up to 7 hours (BP291 included standard)
  • Charge spare battery using optional external battery charger (EBC290)
  • Easy-access battery door to make it easy to swap batteries
  • A handy slot to tether and lock down the oscilloscope while unattended using a standard Kensington® lock


Fluke a3004 FC Wireless 4-20mA DC Clamp Meter is a fully functional current clamp meter that wirelessly relays measurements to other Fluke Connect® enabled master units, listed below:
  • Fluke 3000 FC DMM
  • Fluke Ti200/300/400 Infrared Camera
  • PC via optional pc3000 FC Adapter
  • Fluke Connect Mobile app
  • TiX560 and TiX520
Fluke a3004 FC Wireless 4-20 mA DC Clamp Meter main features include:
  • Measure 4 to 20 mA signals without "breaking the loop"
  • Detachable clamp with extension cable for measurements in tight locations
  • Use as a standalone meter or as part of the system
  • Use the logging function for the recording and saving up to 65,000 measurements


  • Accuracy: ≤ 2.2 mm @ 30 m (≤ 3/32 in @ 100 ft)
  • Working range: ≤ 30 m (100 ft)
  • Working range with XLD: ≤ 300 m (1000 ft)
  • 1-meter drop tested
  • IP67 certified protected from dust and immersion in water with a depth of up to 1 m (or 3.3 ft) for up to 30 minutes


The Fluke v3001 FC Wireless DC Voltage Module is fully functional DC voltage meter that wirelessly relays DC voltage measurements to other Fluke Connect® enabled master units, listed below:
  • Fluke 3000 FC DMM
  • Fluke Ti200/300/400 Infrared Camera
  • PC via optional pc3000 FC Adapter
  • Fluke Connect Mobile app
With the Fluke v3001 FC Wireless DC Voltage Module you can:
  • Measure up to 1000 VDC
  • Use as a standalone meter or as part of the system
  • Use the logging function for recording and saving up to 65,000 readings


Installs and grounds in less than 5 minutes Save time with quick and easy installation with the CV Series – 5 minutes or less.
  • One technician
  • One hole with standard Greenlee® punch
  • Panel door does not need to be removed
  • Grounds instantly to metal enclosure with patent-pending AutoGround™ process
  • Maintains panel arc test ratings up to 63kA when properly installed
Work more efficiently with Fluke ClirVu® CV400 95 mm (4 in) Infrared Windows
  • NFPA 70E processes significantly reduced due to less work permit requirements
  • Faster and more comfortable inspections because full PPE is often not required
  • Reduce the risk of arc-flash and electrocution, increase the safety of your personnel and reduce the time and cost of preventive maintenance
  • CV400 is Torture Tested™ to the highest arc blast test ratings IEEE C37.20.7: 63 kA Arc tested at KEMA, UL 50/50E/50V, UL1558, IEC60529-1: IP67, IEC 60068, NEMA 4/12, CSA C22.2 NO. 14-13:2012, and CE
  • Convenience of both quick turn or security keyed access