PQ-configured ferrite cores of TDK-EPC are a further advancement of E-shaped core series. An advantage of using PQ series ferrite cores as compared with cores of ETD/ER/E series is a possibility to reduce size and weight of wrap-in product with similar power.
Decrease a length of winding wire being necessary for a manufacture of transformers (as compared with configurations listed above) contributes to a cost reduction of finished product.
| Standard Size | l1 [mm] |
l2 [mm] |
b [mm] |
h1 [mm] |
h2 [mm] |
d1 [mm] |
d2 [mm] |
| PQ 16/11,6 | 16,40±0,30 | 9,6+0,8 | 11,20±0,30 | 5,80±0,1 | 3,35±0,15 | 14,40±0,30 | 7,00±0,20 |
| PQ 20/16 | 20,50±0,4 | min. 12,5 | 14,00±0,4 | 8,10±0,1 | 5,15±0,15 | 18,00±0,4 | 8,80±0,2 |
| PQ 20/20 | 20,50±0,4 | min. 12,5 | 14,00±0,4 | 10,10±0,1 | 7,15±0,15 | 18,00±0,4 | 8,80±0,2 |
| PQ 26/20 | 22,50±0,45 | 15,5+0,8 | 19,00±0,45 | 10,08±0,12 | 5,75±0,15 | 22,50±0,45 | 12,20±0,2 |
| PQ 26/25 | 22,50±0,45 | 15,5+0,8 | 19,00±0,45 | 12,38±0,12 | 8,05±0,15 | 22,50±0,45 | 12,20±0,2 |
| PQ 32/20 | 32,00±0,50 | 19,0+0,8 | 22,00±0,50 | 10,25±0,125 | 5,75±0,15 | 27,50±0,50 | 13,45±0,25 |
| PQ 32/30 | 32,00±0,50 | 19,0+0,8 | 22,00±0,50 | 15,175±0,125 | 10,65±0,15 | 27,50±0,50 | 13,45±0,25 |
| PQ 35/35 | 35,10±0,60 | min. 23,5 | 26,00±0,50 | 17,40±0,125 | 12,50±0,15 | 32,00±0,50 | 14,35±0,25 |
| PQ 40/40 | 40,50±0,90 | min. 28,0 | 28,00±0,60 | 19,90±0,125 | 14,75±0,15 | 37,00±0,60 | 14,90±0,30 |
| PQ 50/50 | 50,00±0,70 | min. 31,5 | 32,00±0,50 | 25,00±0,125 | 18,05±0,15 | 44,00±0,70 | 20,00±0,35 |
Designation in Design Documentation
Measurement unit — set
N87 PQ32/30 B65679BR87
B65679 — PQ32/30 core configuration code
87 — core is made of N87 ferrite material
