High Frequency Ring Core Inductor from China Factory - Low Noise and RoHS Compliant Suppliers
Shape and External Dimensions (mm)
Electronic Specifications
| Core shape | T14*9*5 | T14*8*7 | T16*12*8 | T16*12*8 | Note: Conditions for checking inductance: 1.0 kHz 0.25 V Custom development is available | T16*12*8 | T31*19*13 | T31*19*27 | T36*23*15 | T42*26*16 | Note: Conditions for checking inductance: 1.0 kHz 0.25 V Custom development is available |
| Size mm Max. A | 16.0 | 17.0 | 19.0 | 20.0 | 28.0 | 36.0 | 41.0 | 43.0 | 55.0 | ||
| Max B | 7.0 | 11.5 | 12.0 | 13.0 | 20.3 | 23.0 | 42.0 | 25.0 | 37.0 | ||
| Min. C | 15.0 | 15.0 | 15.0 | 15.0 | |||||||
| ±0,05 CD | 0.3 | 0.4 | 0.3 | 0.6 | |||||||
| Max. C | 25.0 | 36.0 | 38.0 | 40.0 | 54.0 | ||||||
| Min. D | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | ||||||
| +0.5 E | 15.5 | 17.5 | 21.5 | 17.5 | 24.0 | ||||||
| ±0.3 F | 10 | 12.5 | 30.5 | 31.0 | 18.0 | ||||||
| +0.1CG | 1.0 | 1.3 | 2.3 | 1.2 | 2.2 | ||||||
| Rated current A | 0.3 | 0.5 | 0.3 | 1.1 | 3.2 | 6.3 | 16.5 | 5.2 | 16.0 | ||
| Nominal voltage V | 250 | 250 | 250 | 250 | 250 | 250 | 250 | 250 | 250 | ||
| DC Resistance Max.Ω | 0.25 | 0.15 | 0.45 | 0.12 | 90.0 | 20.0 | 5.0 | 7.0 | 6.0 |
Frequently Asked Questions (FAQ)
What are the test conditions for checking the inductance of these common mode chokes?
The standard test conditions for checking the inductance of our common mode chokes are set at a frequency of 1.0 kHz and a voltage of 0.25 V.
Is custom development available for these common mode chokes?
Yes, custom development is fully supported. We can customize dimensions, core shapes, electrical specifications, and other parameters to meet your specific application requirements.
What is the nominal voltage rating for these component models?
All the listed core shapes and models in our electronic specifications table support a standard nominal voltage of 250 V.
How does the rated current vary across different core shapes?
The rated current varies depending on the core size and shape. It ranges from 0.3 A for compact core shapes like T14*9*5 up to 16.5 A for larger core shapes like T31*19*27.
What is the maximum DC resistance (DCR) for these chokes?
The maximum DC resistance ranges from as low as 0.12 Ω for the T16*12*8 core model up to 90.0 Ω for other specific core configurations, ensuring flexible options for different design efficiencies.