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).


  • 1024 x 768 infrared camera with large 5.6-inch high resolution LCD screen
  • Provides temperature measurements from -40°C to +1200°C (-40°F to 2192°F)
  • Offers a high temperature option for measurements up to 2000 °C (3632 °F)
  • Subject to Export Control


  • Rugged mini IR thermometer with 12:1 distance to spot ratio for non-contact temperature measurements
  • Measures temperature from -32 to 535°C (-25 to 999°F)
  • Features high-resolution optics for measuring in hard-to-reach situations
  • Delivers high accuracy (1%) and repeatability (0.5%)
  • Shows MAX temperature on backlit display
  • Offers laser targeting for precise measurements


The 721Ex can be configured by selecting either a 16 PSI (1.1 bar) or 36 psi (2.48 bar) low pressure sensor then add any of 7 high pressure ranges including 100, 300, 500, 1000, 1500, 3000 or 5000 psi (6.9, 20, 24.5, 69, 103.4, 200, 345 bar).

  • Intrinsically Safe (721Ex version only) – IECEx and Atex Ex ia IIB T3 Gb (Zone 1)
  • Ideal for gas flow calibration (custody transfer) applications
  • Two isolated, stainless steel, pressure sensors with 0.025 % accuracy
  • Pt100 RTD input for temperature measurement, (probe optional)
  • Switch test on both pressure inputs
  • Pressure displayed in the user’s choice of 19 engineering units
  • Large backlit graphic display can display up to three inputs simultaneously
  • Store five instrument setups for recall and use


The 1586A Super-DAQ is the most accurate and flexible temperature data acquisition system on the market. It scans and records temperature, DC voltage, DC current, and resistance for up to 40 input channels and scan speeds as fast as 10 channels per second. The Super-DAQ can be configured for use as a multi-channel data logger in the factory or as a precision reference thermometer for benchtop sensor calibration in the lab.

  • Measure thermocouples, PRTs, thermistors, DC voltage, DC current, and resistance
  • Best-in-class temperature measurement accuracy
    • PRTs ±0.005 °C (using external DAQ-STAQ Multiplexer)
    • Thermocouples: ±0.5 °C (using High-Capacity Module and internal CJC)
    • Thermistors: ±0.002 °C
  • Input channels: Up to 40 isolated universal inputs
  • Flexible configuration: Internal High-Capacity Module and/or DAQ-STAQ Multiplexer
  • Selectable scan speed: Up to 10 channels per second
  • Four modes of operation: Scan, Monitor, Measure, Digital Multimeter (DMM)
  • Real-time color trending: Chart up to four channels simultaneously
  • 6 1/2 digit display resolution for DC voltage, DC current, and resistance
  • Current reversal minimizes thermoelectric effects, improving PRT/RTD measurment accuracy
  • Automated sensor calibration: Control Fluke Calibration temperature sources such as dry-wells or micro-baths for automated calibration routines
  • Data storage: Records up to 20 MB of data and setup files to internal non-volatile memory or to an external USB drive. Transfer data to a PC using the USB drive or LAN connection and view data in Microsoft® Excel
  • Data security: Administrator and user profiles for protecting settings and ensuring test traceability
  • Mx + B scaling and channel offset zero function
  • Alarms: Two independent, user-defined alarms for each channel indicate when an upper or lower range has been exceeded


  • Ergonomic handle that adapts to user’s hand, causes less strain and work fatigue and provides maximum torque.
  • Full length, impact proof handle core is coated with soft-grip outer material, hanging hole for extra security, and anti-roll handle design.
  • Slim insulated shaft allows access in hard to reach areas.
  • Certified to 1000 V ac, 1500 V dc
  • Two sizes (Phillips #1 and Phillips #2), sold individually, also in kits