DRUM CORES
FIG1
FlG2
 
AL=nH/N2
CORES SERIES
Flg
Dimensions (mm)
Test coil
NP1 L(uH ) REF
A
B
C
D
E
F
NP1 DR 4x2.0(1.2-1.5)
1
4.0กำ0.15
2.0กำ0.20
1.2กำ0.15
1.5กำ0.10
   
0.15x10Ts
4.0
NP1 DR 4.04x1.0(0.3-2.0)
1
4.0กำ0.15
1.0กำ0.15
0.3กำ0.10
2.0กำ0.10
   
0.07x10Ts
2.0
NP1 DR 4.04x1.4(0.5-1.2)
1
4.0กำ0.15
1.4กำ0.15
0.5กำ0.10
1.2กำ0.10
   
0.15x10Ts
3.0
NP1 DR 8.4x2.0(0.4-1.2)
1
8.4กำ0.15
2.0กำ0.20
0.9กำ0.15
3.2กำ0.15
   
0.15x10Ts
4.7
NP1 DR 8.4x4.2(2.4-4.0)
1
8.4กำ0.15
4.2กำ0.20
2.4กำ0.20
4.30กำ0.15
   
0.35x10Ts
5.0
NP1 DR 8.4x10(8-4.6)
1
8.4กำ0.15
10.0กำ0.20
8.0กำ0.20
4.6กำ0.15
   
0.35x20Ts
2.8
NP1 DR 10x16(10.6-7.2)
1
10.0กำ.0.30
16.0กำ0.70
10.6กำ0.50
7.2กำ0.20
   
0.35x20Ts
16.5
NP1 DR 12.7x5.6(3.4-6.3)
1
12.7กำ0.20
5.6กำ0.20
3.4กำ0.15
6.3กำ0.20
   
0.35x10Ts
7.4
NP1 DR 12.7x6.0(3.4-6.5)
1
12.7กำ.0.20
5.8กำ0.20
3.3กำ0.15
6.5กำ0.20
   
0.35x10Ts
7.4
NP1 DR 18x20(12.5-11.0)
1
18.0กำ.0.50
20.0กำ0.70
12.5กำ0.50
11.0กำ0.30
   
0.35x20Ts
32.0
Inductance is measured at 100KHz / 100mV