7ffRspp
Chokes and inductors
For high frequency and EMC
RF chokes, MCC series
Series/Type:
B78108T / B78148T
Date:
November 2005
EPCOS AG 2005. Reproduction, publication and dissemination of this publication and the infor-
mation contained therein without EPCOS' prior express consent is prohibited.
2
11/05
RF chokes
MCC series
B78108T
B78148T
Please read the Important notes at the end of
this document.
MCC choke (Mini Cylinder Core)
Rated current 85 to 1120 mA
Rated inductance 0.1 to 100
N
H
Construction
Ceramic or ferrite cylinder core
Winding: enamel copper wire
Flame-retardant lacquer coating
Features
Low total height
Low inductance
High resonance frequency
RoHS-compatible (see page 6)
Applications
RF blocking
Decoupling and interference suppression
For antenna systems, automotive electronics,
telecommunications, entertainment electronics
Terminals
Central axial leads, lead-free tinned
Radially bent to 5 mm lead spacing
Marking
Inductance indicated by color bands to IEC 60062
Delivery mode
Taped, Ammo and reel packing (see page 8)
Dimensional drawings
B78108T (axial leads, taped)
B78148T (central radial leads, taped)
7 max.
50.25
9.8 max.
IND0427-U
3.3 max.
0.6 max.
60.5
651
lacquered/lackiert
(IEC 60294)
3.5 min.
53
50.25
IND0111-L
12,5
16
5
12,7
Minimum lead spacing 10 mm
Approx. weight 0.25 g
Schematic drawing (details page 8)
3
11/05
RF chokes
B78108T
MCC series
Please read the Important notes at the end of
this document.
B78148T
Characteristics and ordering codes
For further technical data see page 6.
1) Closer tolerances upon request.
2) Replace the asterisk
*
by code number 0 for axial taping or by 4 for radial taping.
3) For Ammo pack the last digit has to be a 9. Example: B78108T3101K009
L
R
H
Toler-
rance
1)
Q
min
f
Q
MHz
I
R
mA
R
max
f
res, min
MHz
Ordering code
2)
(reel packing)
3)
Ceramic cylinder core
0.10
10 %
K
40
25.2
1120
0.13
600
B781
*
8T3101K000
0.12
40
25.2
1080
0.145
570
B781
*
8T3121K000
0.15
38
25.2
1020
0.155
500
B781
*
8T3151K000
0.18
35
25.2
1000
0.17
460
B781
*
8T3181K000
0.22
35
25.2
990
0.195
420
B781
*
8T3221K000
0.27
35
25.2
910
0.215
380
B781
*
8T3271K000
0.33
35
25.2
830
0.24
330
B781
*
8T3331K000
0.39
35
25.2
790
0.27
300
B781
*
8T3391K000
0.47
35
25.2
750
0.315
280
B781
*
8T3471K000
0.56
35
25.2
700
0.34
260
B781
*
8T3561K000
0.68
35
25.2
530
0.48
240
B781
*
8T3681K000
0.82
35
25.2
500
0.55
230
B781
*
8T3821K000
^
4
11/05
RF chokes
MCC series
B78108T
B78148T
Please read the Important notes at the end of
this document.
Characteristics and ordering codes (continued)
For further technical data see page 6.
1) Closer tolerances upon request.
2) Replace the asterisk
*
by code number 0 for axial taping or by 4 for radial taping.
3) For Ammo pack the last digit has to be a 9. Example: B78108T1102K009
L
R
H
Toler-
rance
1)
Q
min
f
Q
MHz
I
R
mA
R
max
f
res, min
MHz
Ordering code
2)
(reel packing)
3)
Ferrite cylinder core
1.0
10 %
K
35
25.2
630
0.25
180
B781
*
8T1102K000
1.2
40
7.96
610
0.25
170
B781
*
8T1122K000
1.5
40
7.96
570
0.30
150
B781
*
8T1152K000
1.8
40
7.96
540
0.30
130
B781
*
8T1182K000
2.2
40
7.96
520
0.35
120
B781
*
8T1222K000
2.7
40
7.96
480
0.40
110
B781
*
8T1272K000
3.3
40
7.96
420
0.50
110
B781
*
8T1332K000
3.9
40
7.96
400
0.55
100
B781
*
8T1392K000
4.7
40
7.96
380
0.65
90
B781
*
8T1472K000
5.6
45
7.96
260
1.30
75
B781
*
8T1562K000
6.8
45
7.96
250
1.45
70
B781
*
8T1682K000
8.2
50
7.96
240
1.60
65
B781
*
8T1822K000
10
50
7.96
230
1.70
60
B781
*
8T1103K000
12
55
2.52
190
2.40
50
B781
*
8T1123K000
15
55
2.52
185
2.70
45
B781
*
8T1153K000
18
55
2.52
175
2.90
40
B781
*
8T1183K000
22
60
2.52
170
3.20
30
B781
*
8T1223K000
27
60
2.52
160
3.60
27
B781
*
8T1273K000
33
60
2.52
150
4.10
24
B781
*
8T1333K000
39
60
2.52
140
4.50
22
B781
*
8T1393K000
47
60
2.52
100
8.50
20
B781
*
8T1473K000
56
60
2.52
100
8.80
18
B781
*
8T1563K000
68
60
2.52
95
10.0
15
B781
*
8T1683K000
82
60
2.52
90
11.5
14
B781
*
8T1823K000
100
60
2.52
85
12.5
11
B781
*
8T1104K000
^
5
11/05
RF chokes
MCC series
B78108T
B78148T
Please read the Important notes at the end of
this document.
Impedance |Z |
versus frequency f
measured with impedance analyzer
HP 4191A / HP 4194A
Q factor
versus frequency f
measured with impedance analyzer
HP 4194A
Inductance L
versus DC load current I
DC
measured with LCR meter
HP 4275A
Current derating I
op
/I
R
versus ambient temperature T
A
(rated temperature T
R
= 40
C)
IND0112-N
10
0
10
6
f
10
7
10
8
10
9
10
1
10
2
10
3
10
4
10
5
10
6
0,1 H
1 H
10 H
100 H
Hz
| |
Z
B781*8T
IND0114-H
Q
f
0
50
100
8
10
7
10
6
10
10
5
Hz
10
4
100 H
10 H
1 H
0,1 H
B781*8T
IND0113-B
L
10
10
I
10
10
0
10
1
DC
10
10
0
10
1
10
2
10
3
100 H
10 H
1 H
0,1 H
A
H
_
2
1
_
2
_
1
_
B781*8T
IND0552-S-E
0
0
op
I
R
I
T
A
20
40
60
80
100
C 140
0.2
0.4
0.6
0.8
1.0
1.2
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