Inductors
VHF chokes
Series/Type:
Date:
B82111B
June 2012
Data Sheet
EPCOS AG 2015. Reproduction, publication and dissemination of this publication, enclosures hereto and the information
contained therein without EPCOS' prior express consent is prohibited.
EPCOS AG is a TDK Group Company.
VHF chokes
B82111B
Rated voltage 500 V AC/DC
Rated current 2 ... 10 A
Rated inductance 3 ... 25 μH
Construction
■
Ferrite cylinder core
■
Winding: single-layer, enamel copper wire,
winding ends brought out as leads
■
Polyester insulating sleeve
Features
■
■
■
■
■
High resonant frequency
High rated current
Suitable for wave soldering
RoHS-compatible
ENEC10 approval
Applications
■
RF blocking and filtering
■
Interference suppression in small appliances
Terminals
■
Central axial leads
■
Base material Cu
■
Hot-dip tinned with pure tin
Marking
L
R
and I
R
in clear text and approval mark
Delivery mode
Bulk
Dimensional drawing
ød
2
102
_
5
ød
1
l
1
l
2
IND0626-L
Dimensions in mm
Please read
Cautions and warnings
and
Important notes
at the end of this document.
2
06/12
VHF chokes
B82111B
Technical data and measuring conditions
Test voltage V
test
Rated inductance L
R
2500 V AC, 1 min
Measured with LCR meter Agilent 4284A
or impedance analyzer Agilent 4294A
Measuring frequency:
L
R
10 H
= 1 MHz
10 H < L
R
1000 H = 100 kHz
Measuring voltage:
1V
Measuring temperature: +20 °C
20%
+60 °C
Maximum permissible DC current at rated temperature
Measured at +20 C, tolerance 20%, typical values
Measured with Agilent 4294A or 8753ES, +20 °C
tolerance 30%
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)
30 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
EN 60938
Inductance tolerance
Rated temperature T
R
Rated current I
R
DC resistance R
typ
Resonance frequency f
res
Solderability (lead-free)
Resistance to soldering heat
(wave soldering)
Tensile strength of leads
Climatic category
Storage conditions
Approvals
Mounting information
When bending the leads, take care that the bending point is
at least 3 mm
apart from the face ends
of the core and that the start-of-winding areas are not subjected to any mechanical stress.
Please read
Cautions and warnings
and
Important notes
at the end of this document.
3
06/12
VHF chokes
B82111B
Characteristics and ordering codes
I
R
L
R
H
2
3
3
3
3
4
4
4
6
6
6
9
10
17
8
13
20
25
6
11
15
4
6
9
3
5
0.063
0.025
0.024
0.054
0.046
0.017
0.020
0.024
0.014
0.010
0.012
0.006
0.005
R
typ
f
res
Dimensions (mm)
l
2–3
24
24
29
29
34
24
29
34
24
29
34
29
34
d
1 max.
d
2
7.0
7.0
6.5
6.0
8.5
7.5
6.5
8.5
7.5
7.0
9.0
7.5
9.5
0.45
0.63
0.67
0.5
0.63
0.75
0.71
0.75
0.8
0.95
0.95
1.2
1.3
Approx.
weight
g
3.0
3.0
3.5
3.5
6.0
3.0
6.0
7.0
4.0
5.0
8.0
5.0
10.0
Ordering code
Approvals
MHz l
1–1.5
100
145
170
125
85
170
150
120
205
200
150
220
175
18.3
18.3
24.5
24.5
28.5
18.3
24.5
28.5
18.3
24.5
28.5
24.5
28.5
B82111B0000C014
B82111B0000C013
B82111B0000C019
B82111B0000C020
B82111B0000C024
B82111B0000C012
B82111B0000C018
B82111B0000C023
B82111B0000C011
B82111B0000C017
B82111B0000C022
B82111B0000C016
B82111B0000C021
= approval granted
Impedance |Z| versus frequency f
measured with impedance analyzer Agilent 4294A or S-parameter network analyzer
Agilent 8753ES, typical values at +20 °C
B82111B0000C011…C014
10
6
Ω
|Z |
10
5
B82111B
IND0154-3
B82111B0000C016…C020
10
6
Ω
|Z|
10
5
B82111B
IND0155-1
10
4
10
4
10
3
C014
C013
C012
C011
10
3
C020
C019
C018
C017
C016
10
8
Hz
f
10
9
10
2 7
10
10
8
Hz
f
10
9
10
2 7
10
Please read
Cautions and warnings
and
Important notes
at the end of this document.
4
06/12
VHF chokes
B82111B
Impedance |Z| versus frequency f
measured with impedance analyzer Agilent
4294A or S-parameter network analyzer
Agilent 8753ES, typical values at +20 °C
B82111B0000C021…C024
10
6
Ω
|Z|
10
5
B82111B
IND0156-R
Current derating I
op
/I
R
versus ambient temperature T
A
(rated temperature T
R
= +60 °C)
1.2
I
op
I
R
IND0143-T-E
1.0
0.8
10
4
0.6
0.4
10
3
C024
C023
C022
C021
0.2
10
2 7
10
10
8
Hz
f
10
9
0
0
20
40
60
80
100
˚
C
T
A
140
5
06/12
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