Inductors
VHF chokes
Series/Type:
Date:
B82131, B82132, B82133, B82134
June 2012
Data Sheet
EPCOS AG 2012. Reproduction, publication and dissemination of this publication, enclosures
hereto and the information contained therein without EPCOS’ prior express consent is prohibited.
VHF chokes
B82131 … B82134
Rated voltage 500 V AC/DC
Rated current 0.15 ... 6 A
Rated inductance 1 ... 420 μH
Construction
■
Cylinder core of carbonyl iron
■
Winding: single-layer, enamel copper wire
■
Polyester insulating sleeve
Features
■
■
■
■
High resonant frequency
Design complies with EN 60938
Suitable for wave soldering
RoHS-compatible
Applications
■
RF blocking and filtering
■
Interference suppression in small appliances
■
Decoupling in telecommunications
and entertainment electronics
Terminals
■
Central axial leads
■
Base material Cu
■
Hot-dip tinned with pure tin
Marking
L
R
and I
R
in clear text
Delivery mode and packing units
■
Taped and reeled
■
Packing units:
Series
B82131, B82132
B82133, B82134
Pcs./reel
2000
1000
Please read
Cautions and warnings
and
Important notes
at the end of this document.
2
06/12
VHF chokes
B82131 … B82134
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
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
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.
4
06/12
Embedded System
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