We have compiled a list of manufacturers, distributors, product information, reference prices, and rankings for Chalk.
ipros is IPROS GMS IPROS One of the largest technical database sites in Japan that collects information on.

Chalk - Company Ranking(7 companies in total)

Last Updated: Aggregation Period:Sep 24, 2025〜Oct 21, 2025
This ranking is based on the number of page views on our site.

Company Name Featured Products
Product Image, Product Name, Price Range overview Application/Performance example
【Technical Specifications (Excerpt)】 ■ Maximum Continuous Operating Voltage: 500VAC @ 40°C ■ Operating Frequency: dc to 1kHz ■ Rated Cur... 【Applications】 ■ Reduction of high-level noise generated by high-speed switching circuits ■ Smoothing of DC voltage ■ EMC/EMI filter ■ Phase...
**Technical Specifications (Excerpt)** ■ Operating Voltage: 300 VAC ■ Operating Frequency: DC – 50/60 Hz ■ Rated Current: 0.3 – 10 A @... 【Applications】 ■ Switch mode power supply equipment ■ For reducing common mode noise levels ■ EMI input filter ■ For control devices without...
**Technical Specifications (Excerpt)** ■ Maximum Continuous Operating Voltage: 600VAC/850VDC @ 40°C ■ Operating Frequency: dc to 400Hz ... 【Usage】 ■ As an EMI input filter ■ Used for phase angle control circuits in combination with saturation chokes ■ For noise countermeasures i...
---

---

---
  1. Featured Products
    Saturated choke "Choke Coil RI Series"Saturated choke "Choke Coil RI Series"
    overview
    【Technical Specifications (Excerpt)】 ■ Maximum Continuous Operating Voltage: 500VAC @ 40°C ■ Operating Frequency: dc to 1kHz ■ Rated Cur...
    Application/Performance example
    【Applications】 ■ Reduction of high-level noise generated by high-speed switching circuits ■ Smoothing of DC voltage ■ EMC/EMI filter ■ Phase...
    Power Line Choke "Common Mode Choke Coil RN Series"Power Line Choke "Common Mode Choke Coil RN Series"
    overview
    **Technical Specifications (Excerpt)** ■ Operating Voltage: 300 VAC ■ Operating Frequency: DC – 50/60 Hz ■ Rated Current: 0.3 – 10 A @...
    Application/Performance example
    【Applications】 ■ Switch mode power supply equipment ■ For reducing common mode noise levels ■ EMI input filter ■ For control devices without...
    Power Line Choke "Choke Coil RD Series"Power Line Choke "Choke Coil RD Series"
    overview
    **Technical Specifications (Excerpt)** ■ Maximum Continuous Operating Voltage: 600VAC/850VDC @ 40°C ■ Operating Frequency: dc to 400Hz ...
    Application/Performance example
    【Usage】 ■ As an EMI input filter ■ Used for phase angle control circuits in combination with saturation chokes ■ For noise countermeasures i...