• September 30. 2021

Accumulated by several years research, Coilcore update clamp on type power supply current transformer, which with mature circuit design, excellent material application, brilliant design, small finished dimension. The pure hardware circuit design guarantee high reliability, and clamp type structure make you don't need cut off grid power, installation & construction convenient. Our power supply ...

• October 26. 2021

During EMC power supply circuit design, common-mode interference is the most difficulties encountered, common mode inductor is one of the major methods on solving interference signals. Here let's talk about the basic principles of solving EMC artifacts from design plan in this way. A common mode inductance, is wound both line and neutural windings on a single core. While the magnetic flux in ...

• November 22. 2021

As we know, the inductance value will influence inductors application, today let’s talk about how to select an inductors based on inductance value. During the inductance is almost not stable during the entire working period of the components,  understand the effective value scope is particularly important. Thus, you should know your power circuit's inductance scope clearly. For inductors in p...

• January 21. 2022

Q1. What’s the advantage of CRGO core toroidal transformer? The core of toroidal transformer is rolled by high-quality CRGO sheets (thickness <0.35mm), its performance is superior to laminated cores. The coils of toroidal transformer were wound on the core evenly, the direction of magnetic field lines generated by the coils almost completely coincides with the magnetic circuit of the core. Comp...

• March 24. 2022

Coilcore - Guangzhou Amorphous Electronic Technology Co.,ltd., established in 2009, our core competence is Nanocrystalline Core & Amorphous Core. We strictly follow OPS, aiming to guarantee stable quality & competitive cost, that’s why we win ABB, SIGMA, RITZ supports many years. Now, let’s discuss about the core production from Ribbon manufacture, core winding, core heat treatment, s...

• March 30. 2022

Mini precise Current Transformer Product Details: Item No.: NT403010-200A Core Type: Nanocrystalline Core Size: 40*30*10mm Current：200A/100mA Copper: 0.14mm * 2000turns Loading: 100Ω Core material parameter: Material Parameter Saturated Induction Density Bs = 1.2 T Material Permeability µo >8x104 Gs/Oe crystallization temperature Tx >510℃ Vickers Hardness Hv= 880 kg/mm2 Curie Temperature Tc ...

• April 15. 2022

Toroidal common mode choke for EMI suppression Chokes for EMC filters We plan use them before LED constant voltage 12V supply. Inductance 10mH or higher Rated current 1.5A Rated voltage 250VAC Insulation breakdown test (winding to winding) 60 sec @  1500VAC Design- horizontal PCB mount, through hole. Dimensions  must not exceed: 28*18-12cm, width and depth - 35mm   Main Application:...

• April 26. 2022

High frequency transformer widly used in industry application, here let's share how we make a customized EE65/32/27 transformer to our clients: 1 BOBBIN 16-pin bobbin with a 23mm x 30.6mm rectangular winding former. Length of the winding former is 39.66mm. Maximum depth of the winding is 8.2mm. 2 CORES 2 x E 65x32x27mm and F48 material. 3 WINDING Use 3.25mm diameter solid copper wire. The wire res...