Engineering Center SZL and LEPCOS
— General representative of Epcos AG by ferrite in the CIS
— Official distributor and general representative for ferrites of TDK Electronics Europe Gmbh in the CIS
— Authorized distributor of Magnetics in Russia, CIS and Baltic countries
— Exclusive distributor of USM in Russia and CIS countries
— Official Distributor Temex Ceramics in Russia and CIS
Example of designation in design documentation: SDMR 40 UF240 where: SDMR40 - ferrite’s brand UF - product’s configuration (П-shaped core) 240 - product’s standard size
Geometrical Dimensions of UF-configured Cores
Standard Size
A (mm)
B min (mm)
C (mm)
D (mm)
E (mm)
F (mm)
UF100B
100-1+3
60
20±0.5
40±0.3
60±0.5
80±0.5
UF100C
100-1+2
60
20±0.5
25±0.5
15.5+0.5
35+0.5
UF105
105±2
45
30±0.5
40±0.5
65±0.5
95±0.5
UF113
113±2
57
28-1+0.5
30±0.5
40±0.5
69+0.5
UF115
115-2+3
51
30-0.5+1
28±0.5
63±0.5
94-0.5+1
UF120A
120-2+3
59
30-0.5+1
30±0.5
40+0.5
70+1
UF120B
120-2+3
58
30±0.5
40±0.5
86±0.5
116±0.5
UF120D
120-2+3
58
30±0.5
20±0.5
60±0.5
90±0.5
UF120/80/30
120-1+3
60
30-0.5+1
30±0.5
50+0.5
80+0.5
UF120/90/30
120-2+3
58
30±0.5
30±0.5
60±0.5
90±0.5
UF120/90/40
120-2+3
58
30±0.5
40±0.5
60±0.5
90±0.5
UF125
125-1+3
65
30±0.5
40±0.5
86±0.5
116±0.5
UF126
126-1+2
70
28±0.7
28±0.5
63±0.5
91±0.5
UF130
130-4+1
70
29±0.5
40±0.2
63±0.5
91±0.5
UF135
135±1
55
40±0.5
40±0.5
65±0.5
105+0.5
UF160
160-2+3
78
40±0.5
40±0.5
120±1.5
160±0.5
UF180
180-2+3
80
50±0.5
20±0.5
75±1
125±0.5
UF200
200±5
100
50±1
40±0.5
150±0.5
200±0.5
UF240
240±5
160
40±0.8
40±0.5
120±0.5
160±0.5
Effective Parameters and Mass of UF-configured Cores
Standard Size
C1 (mm-1)
Ae (mm²)
Le (mm)
Ve (mm³)
AL, nH +20%
Mass, g
UF100B
0.55
801
440
352000
4575
1680
UF100C
0.52
500
260
128500
4834
620
UF105
0.395
1194
472
564000
6425
2707
UF113
0.462
840
388
331020
5441
1588
UF115
0.576
840
478
425432
4418
2042
UF120A
0.445
899
400
362400
5650
1740
UF120B
0.48
1215
584
714560
5150
3420
UF120D
0.8
600
480
292800
3141
1400
UF120/80/30
0.4889
900
440
396000
5142
1900
UF120/90/30
0.529
893
480
439200
4712
2100
UF120/90/40
0.396
1210
480
585600
6336
2810
UF125
0.496
1197
594
712800
5078
3421
UF126
0.642
784
504
395136
4000
1900
UF130
0.445
1160
510
593600
5786
2840
UF135
0.33
1630
505
848000
7575
4070
UF160
0.5
1600
800
1299200
5026
6236
UF180
0.66
1000
660
660000
3801
3160
UF200
0.5
2000
1000
2000000
5028
9600
UF240
0.6
1600
960
1536000
4200
7372
NORTH-WESTERN LABORATORY: NEWS
09.10 19
LEPCOS invites you to attend the Stand C23 at ChipEXPO 2019 exhibition, which will be held from 16 to 18 October 2019 in Moscow in the Expocentre, in the pavilion "Forum".
26.06 19
According to the results of 2018 Lepcos has received "best ferrites seller 2018" seal of excellence from TDK company.
18.04 19
Dear colleagues! We would like to draw your attention to the fact that, since December 2018, the package content of electrolytic capacitors has been changed.
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