Epcos AG issues 5 standard sizes of two-aperture RID-configured ferrite cores. RID-configured cores are intended for using in TV and VHF signal processing equipment (ferrites of U13, K1 brands) and for low-frequency wideband applications (N30, N22 ferrite brands).
Check the availability in warehouse
Geometrical dimensions of two-aperture RID-configured ferrite cores:
| Standard Size | h [mm] | b [mm] | a [mm] | c [m] | d [mm] | Weight. g |
| RID 14,5*8,5*14,5 / (3,4-2) | 14,50-1,0 | 14,50-1,0 | 8,50,5 | 5,85 ±0,25 | 3,4 +0,80 | 4 |
| RID 14,5*8,5*8,5 / (3,4-2) | 8,3-0,6 | 14,50-1,0 | 8,5-0,5 | 5,85 ±0,25 | 3,4 +0,60 | 2,5 |
| RID 7,25*4,2*6,2 / (1,7-2) | 6,2-0,5 | 7,25-0,5 | 4,2-0,4 | 2,90 ±0,15 | 1,7 +0,30 | 0,4 |
| RID 3,6*2,1*2,5 / (0,8-2) | 2,5-0,2 | 3,60-0,3 | 2,1-0,3 | 1,45 ±0,10 | 0,8 +0,15 | 0,1 |
| RID 3,6*2,1*2,0 / (0,8-2) | 2,0-0,2 | 3,60-0,3 | 2,1-0,3 | 1,45 ±0,10 | 0,8 +0,15 | 0,1 |
Effective parameters of RID-configured two-aperture ferrite cores:
| Standard Size | ∑l/A [mm-1] | le mm | Ae [mm²] | Ve [mm³] |
| RID 14,5*8,5*14,5 / (3,4-2) | 0,31 | 15,3 | 49,7 | 760 |
| RID 14,5*8,5*8,5 / (3,4-2) | 0,54 | 15,3 | 28,4 | 435 |
| RID 7,25*4,2*6,2 / (1,7-2) | 0,75 | 7,6 | 10,2 | 78 |
| RID 3,6*2,1*2,5 / (0,8-2) | 1,78 | 3,7 | 2,1 | 7,8 |
| RID 3,6*2,1*2,0 / (0,8-2) | 2,2 | 3,7 | 1,7 | 6,3 |
Nomenclature list of two-aperture RID ferrite cores issued by Epcos AG:
| Standard Size | Ferrite brand | A nH (Tol. ±30%) | Order code |
| RID 14,5*8,5*14,5 / (3,4-2) | К1 | 330 | B62152-A1-X1 |
| RID 14,5*8,5*8,5 / (3,4-2) | К1 N30 |
190 10000 |
B62152-A4-X1 B62152-A4-X30 |
| RID 7,25*4,2*6,2 / (1,7-2) | K1 N30 N27 |
140 7300 |
B62152-A7-X1 B62152-A7-X30 B62152-A7-X27 |
| RID 3,6*2,1*2,5 / (0,8-2) | K1 N30 M13 N22 |
60 3100 1440 |
B62152-A8-X1 B62152-A8-X30 B62152-A8-X13 B62152-A8-X22 |
| RID 3,6*2,1*2,0 / (0,8-2) | K1 N30 M13 |
42 2400 1100 |
B62152-A27-X1 B62152-A27-X30 B62152-A27-X13 |
Designation in Design Documentation
Measurement unit — piece
M13 RID 3,6*2,1*2,0 / (0,8-2) B62152-A27-X13
RID 3,6*2,1*2,0 / (0,8-2) —geometrical dimensions of core (main half-axis of ellipse x minor half-axis x height) / ( aperture diameter x number of apertures)
B62152 —RID configuration code (for two-aperture cores)
A27 — RID standard size code 3,6*2,1*2,0 / (0,8-2)
X13 — two-aperture core is made of M13 ferrite brand
