Inductors
RF chokes, MCC series
Series/Type:
Date:
B78108T, B78148T
March 2015
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EPCOS AG 2015. Reproduction, publication and dissemination of this data sheet and the
information contained therein without EPCOS’ prior express consent is prohibited.
RF chokes
MCC series, 3.3 x 7 (mm)
MCC choke (Mini Cylinder Core)
Rated inductance 1 ... 100 µH
Rated current 85 ... 630 mA
Construction
■
Ceramic or ferrite cylinder core
■
Winding: enamel copper wire
■
Flame-retardant lacquer coating
B78108T, B78148T
B78108T
Features
■
■
■
■
■
Low total height
Low inductance
High resonance frequency
Suitable for wave soldering
RoHS-compatible
B78148T
Applications
■
RF blocking
■
Decoupling and interference suppression
■
For antenna systems, automotive electronics,
telecommunications, entertainment electronics
Terminals
■
Central axial leads (B78108T)
■
Radially bent to 5 mm lead spacing (B78148T)
■
B781
*
T1:
– Base material CuAg0.1
– Electroplated with nickel and pure tin
Marking
Inductance indicated by color bands to IEC 60062
Delivery mode and packing units
■
Taped, Ammo and reel packing
■
Packing units:
Ammo
(pcs./pack.)
Axial
Radial
5000
2500
Reel
(pcs./reel)
5000
2000
Please read
Cautions and warnings
and
Important notes
at the end of this document.
2
03/15
RF chokes
MCC series, 3.3 x 7 (mm)
Dimensional drawings
B78108T (axial leads, taped)
B78108T, B78148T
Dimensions in mm
Minimum lead spacing 10 mm
B78148T (central radial leads, taped)
Thickness of tape
Packing
n (mm): Axial 72 +1, radial 42 +1
w (mm): Axial 84 max., radial 54 max.
Please read
Cautions and warnings
and
Important notes
at the end of this document.
L W H (max. mm):
Axial: 310 75 120, radial: 340
3
03/15
50
210
RF chokes
MCC series, 3.3 x 7 (mm)
Technical data and measuring conditions
Rated inductance L
R
B78108T, B78148T
Measured with LCR meter Agilent 4284A
or impedance analyzer Agilent 4294A
Measuring frequency:
L
R
10 H
= 1 MHz
10 H < L
R
4700 H = 100 kHz
Measuring current:
1 mA
Measuring temperature: +20 °C
Measured with precision impedance analyzer Agilent 4294A,
+20 °C
+40 C
Maximum permissible DC current at rated temperature
10% (referred to initial value) at I
R
, +20 C
Measured at +20 C
Sn95.5Ag3.8Cu0.7: +(245 5) °C, (3 0.3) s
Wetting of soldering area 90%
(to IEC 60068-2-20, test Ta)
+(260 5) °C, 10 s (to IEC 60068-2-20, test Tb)
20 N (to IEC 60068-2-21, test Ua)
55/125/56 (to IEC 60068-1)
Mounted: –55 °C … +125 °C
Packaged: –25 °C … +40 °C, 75% RH
Approx. 0.25 g
Q factor Q
min
Rated temperature T
R
Rated current I
R
Inductance decrease L/L
0
DC resistance R
max
Solderability (lead-free)
Resonance frequency f
res,min
Measured with Agilent 4294A or 8753ES, +20 °C
Resistance to soldering heat
Tensile strength of leads
Climatic category
Storage conditions
Weight
Mounting information
When bending the leads, take care that the start-of-winding areas at the face ends (protected by
glue and lacquer) are not subjected to any mechanical stress.
Please read
Cautions and warnings
and
Important notes
at the end of this document.
4
03/15
RF chokes
MCC series, 3.3 x 7 (mm)
Characteristics and ordering codes
L
R
H
Ferrite cylinder core
1.0
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
82
100
10%
^
B78108T, B78148T
Tolerance
1)
Q
min
f
Q
MHz
I
R
mA
630
610
570
540
520
480
420
400
380
260
250
240
230
190
185
175
170
160
150
140
100
100
95
90
85
R
max
f
res,min
MHz
Ordering code
2)
(reel packing)
3)
B781
*
8T1102K000
B781
*
8T1122K000
B781
*
8T1152K000
B781
*
8T1182K000
B781
*
8T1222K000
B781
*
8T1272K000
B781
*
8T1332K000
B781
*
8T1392K000
B781
*
8T1472K000
B781
*
8T1562K000
B781
*
8T1682K000
B781
*
8T1822K000
B781
*
8T1103K000
B781
*
8T1123K000
B781
*
8T1153K000
B781
*
8T1183K000
B781
*
8T1223K000
B781
*
8T1273K000
B781
*
8T1333K000
B781
*
8T1393K000
B781
*
8T1473K000
B781
*
8T1563K000
B781
*
8T1683K000
B781
*
8T1823K000
B781
*
8T1104K000
K
35
40
40
40
40
40
40
40
40
45
45
50
50
55
55
55
60
60
60
60
60
60
60
60
60
25.2
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
0.25
0.25
0.30
0.30
0.35
0.40
0.50
0.55
0.65
1.30
1.45
1.60
1.70
2.40
2.70
2.90
3.20
3.60
4.10
4.50
8.50
8.80
10.0
11.5
12.5
180
170
150
130
120
110
110
100
90
75
70
65
60
50
45
40
30
27
24
22
20
18
15
14
11
1) Closer tolerances on request.
2) Replace the
*
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
Please read
Cautions and warnings
and
Important notes
at the end of this document.
5
03/15
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