UY-configured Cores

Example of designation in design documentation:
SDMR 40 UY42
where:
SDMR40 - ferrite’s brand
UY - product’s configuration (ПК-configured core)
20 - product’s standard size

Geometric Dimensions of UY-configured cores

Standard Size A, mm Bmin, mm C, mm D, mm E, mm F, mm G, mm
UY20 64±1 23.2 20±0.5 20±0.5 26.5+1 40.5+1 4±0.2
UY22A 105±1.5 61 22±0.3 22±0.3 26.7 44+1  
UY22B 70-1+1.5 26 22±0.3 22±0.3 47+0.5 65+0.3  
UY26 78-2+3 26 26±0.5 26±0.5 45.5+1 67-3+1  
UYL26 78-2+3 26 26±0.5 26±0.5 59+1 79±0.5  
UY30 96.5±2.4 40 27.6±1 27.6±1 40.5±0.6 65±0.6  
UY34 100-2+4 32 34±0.8 34±0.5 53.5+1 80±0.6  
UY42 121+3 36 42±1 42+1 55+1 89±0.5  

Effective Parameters and Mass of UY-configured Cores

Standard Size C1(mm-1) Ae(mm2) Le(mm) Ve(mm3) AL, nH +20% Mass, g
UY20 0.724 290 210 61000 3750 280
UY22A 0.764 380 290 116903 3292 561
UY22B 0.795 380 302 123122 3162 600
UY26 0.579 530 306 177662 4338 852
UYL26 0.678 530 360 200542 3706 962
UY30 0.542 598 324 219354 4636 1052
UY34 0.41 907 370 361275 6125 1733
UY42 0.297 1385 416 624429 8448 2997