Amorphous core and Nanocry-stalline core
 
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Products - Core - Amorphous choke core with gap
 
Amorphous choke core with gap
Features:
◇ Large DC bias characteristics
◇ Permeabilityμ=180~200
◇ Good frequency and temperature characteristics
◇ Low core loss
 
Applications:
◇ Output choke coil for SMPS
◇ Choke coil for DC/DC converter
◇ Normal mode choke coil
◇ Choke coil for adapter and battery charger
◇ PFC choke coil
 
 
3. specifications and electric parameters:
1) specification
Grade CoreDimensions(mm) Finished dimentions(mm) Electric Parameters
ID OD H ID OD H AL(μH) AT
5012A 12 20 5.0 9.7 22.5 8.0 0.085 180
5012B 12 20 8.0 9.7 22.5 11.0 0.120 180
5016 16 26 10.0 14.3 30.2 13.5 0.132 280
5020 20 32 10.0 17.5 34.5 13.5 0.120 350
5025A 25 40 12.5 23.0 45.0 16.0 0.150 370
5025B 25 40 15.0 23.0 45.0 19.0 0.200 370
5032 32 50 15.0 29.0 55.0 18.0 0.126 470
5040 40 64 15.0 37.8 67.5 19.0 0.160 600
5050 50 80 20.0 47.0 85.0 24.0 0.200 730
5056 56 92 25.0 53.0 97.02 9.0 0.250 800
 
2) echnical parameter for winding wire inducter
Grade CoreDimensions(mm) Normal rated Current I(A) Inductance L(μH) AL (μH) Wing turnsN
5012B 12×20×8.0 3.0
5.0
8.0
10.0
400
155
60
40
0.115 60
37
23
19
5016 16×26×10 3.0
5.0
8.0
10.0
15.0
20.0
1000
300
155
100
45
25
0.133 87
48
34
28
18
14
5020 20×32×10 5.0
8.0
10.0
15.0
20.0
505
255
165
75
45
0.120 65
46
37
25
19
5025A 25×40×12.5 5.0
8.0
10.0
15.0
20.0
520
255
170
75
45
0.140 61
43
35
23
18
 
2) Physical characteristic
Dencityg/cm3 Curie temperature Tc(℃) Crystallization Temperature Tx(℃) Saturation Bs(T) Resistance Rate ρ(Ω-cm) Extention coefficient λs(10-6)
7.3 410 530 1.4 130 27