OTAX Co., Ltd.

OTAX Co., Ltd. is a manufacturer of various electronic parts ranging from 1500 types of DIP switches, 5000 types of operational switches, connectors, terminals, medical products, and others. The company states that it is the world top manufacturer of DIP switches, with average monthly production of more than 13 million pieces. Its product range also includes KASUGA brand terminal blocks, healthcare and medical devices such as SpO2 meters, sensors for ultrasound imaging equipment and heart rate sensors, metal processing products, and ultrasonic bonding technology. OTAX describes its global network as expanding in five East Asian countries and states that it is expanding its Southeast Asia-based businesses globally.

OTAX Co., Ltd. is a manufacturer of various electronic parts ranging from 1500 types of DIP switches, 5000 types of operational switches, connectors, terminals, medical products, and others. The company states that it is the world top manufacturer of DIP switches, with average monthly production of more than 13 million pieces. It has started production and sales of KASUGA Brand Terminal Blocks, and as of October 1, 2025, completed the business succession of PATLITE's Terminal Blocks. OTAX describes its global network as expanding in five East Asian countries and states that it is expanding its Southeast Asia-based businesses globally.

World top manufacturer of DIP switches; most preferred parts-manufacturer of choice.

• DIP Switches

  Wide variety of more than 1000 types; average monthly production more than 13 million pieces, leading the world market.

• Operational Switches

  From industry-use to general-purpose types; toggles, rockers, pushbuttons, slides, and rotaries.

• Connectors

  Customized connectors such as for devices or for cameras.

• KASUGA Terminal Blocks

  KASUGA brand terminal blocks featuring long tradition and achievement.

• Terminal Blocks

  Customized terminal blocks for air conditioner/FA appliances; PCB-mount, 2-piece and card edge types.

• Healthcare and Medical Devices

  SpO2 meters, sensors for ultrasound imaging equipment, heart rate sensors, and so on.

• Metal Processing Products

  Aluminum processed products, aluminum die-cast products; applications include TV frames, audio panels, headphone parts, smartphone parts.

• Ultrasonic Bonding Technology

  Technology that joins metals by applying ultrasonic vibrations; sales of the equipment itself.

1. 1OTAX Web Site (English)otax-en.com
2. 2About Us – OTAX Web Site (English)otax-en.com
3. 3Products – OTAX Web Site (English)otax-en.com
4. 4About Us – OTAX Web Site (English)otax-en.com