B78108-S1564-J9 [TDK]
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| 型号： | B78108-S1564-J9 |
| 厂家： | 
TDK ELECTRONICS |
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Inductors
RF chokes, BC series
Series/Type:
B78108S, B78148S
June 2012
Date:
a~í~=pÜÉÉí
¤ꢀEPCOS AG 2012. Reproduction, publication and dissemination of this publication, enclosures
hereto and the information contained therein without EPCOS’ prior express consent is prohibited.
RF chokes
B78108S, B78148S
BC series, 4 x 9.2 (mm)
BC chokes (Bobbin Core)
Rated inductance 1 ... 4700 μH
Rated current 55 ... 1200 mA
Construction
B78108S
■ Ferrite drum core
■ Winding: enamel copper wire
■ Flame-retardant lacquer coating
Features
■ Wide inductance range
■ Suitable for general-purpose application
■ Special versions available
■ Suitable for wave soldering
■ RoHS-compatible
B78148S
Applications
■ RF blocking and filtering
■ Decoupling and interference suppression
■ For antenna systems, automotive electronics,
energy-saving lamps, entertainment electronics
Terminals
■ Central axial leads (B78108S)
■ Radially bent to 5 mm lead spacing (B78148S)
■ Base material Cu
■ 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.)
Reel
(pcs./reel)
Axial
2500
2500
5000
2000
Radial
Please read Cautions and warnings and
Important notes at the end of this document.
2
06/12
RF chokes
B78108S, B78148S
BC series, 4 x 9.2 (mm)
Dimensional drawings
B78108S (axial leads, taped)
Dimensions in mm
65 1
53 2
9.2 max.
(IEC 60294)
6 0.5
3.5 min.
11.5 max.
lacquered
Minimum lead spacing 12.5 mm
IND0429-B-E
B78148S (central radial leads, taped)
ø4 max.
1.3 max.
1.3 max.
insulated
2 max.
2 max.
0.8 max.
Thickness of tape
ø4 0.2
5+0.6
IND0629-B
_0.1
3.8 0.7
12.7 0.3
IND0633-N-E
Packing
30
30
H
L
Label
n
w
IND0631-B-E
IND0452-V-E
W
n (mm): Axial 72 +1, radial 42 +1
L u W u H (max. mm):
w (mm): Axial 84 max., radial 54 max.
Axial: 275 u 80 u 140, radial: 340 u 50 u 210
Please read Cautions and warnings and
Important notes at the end of this document.
3
06/12
RF chokes
B78108S, B78148S
BC series, 4 x 9.2 (mm)
Technical data and measuring conditions
Rated inductance LR
Measured with LCR meter Agilent 4284A
or impedance analyzer Agilent 4294A
Measuring frequency:
LR d 10 PH
=
1 MHz
10 PH < LR d 4700 PH = 100 kHz
d 1 mA
Measuring current:
Measuring temperature: +20 °C
Q factor Qmin
Measured with precision impedance analyzer Agilent 4294A,
+20 °C
Rated temperature TR
Rated current IR
+40 qC
Maximum permissible DC current at rated temperature
dꢀ10% (referred to initial value) at IR, +20 qC
Measured at 20 qC
Inductance decrease 'L/L0
DC resistance Rmax
Resonance frequency fres,min Measured with Agilent 4294A or 8753ES, +20 °C
Solderability (lead-free)
Sn95.5Ag3.8Cu0.7: +(245 r5) °C, (3 r0.3) s
Wetting of soldering area tꢀ90%
(to IEC 60068-2-20, test Ta)
Resistance to soldering heat +(260 r5) °C, 10 s (to IEC 60068-2-20, test Tb)
Tensile strength of leads
Climatic category
tꢀ20 N (to IEC 60068-2-21, test Ua)
55/125/56 (to IEC 60068-1)
Storage conditions
Mounted: –55 °C … +125 °C
Packaged: –25 °C … +40 °C, dꢀ75% RH
Weight
Approx. 0.38 g
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
06/12
RF chokes
B78108S, B78148S
BC series, 4 x 9.2 (mm)
Characteristics and ordering codes
LR
Tolerance1) Qmin
fQ
IR
Rmax
:
fres, min
MHz
205
185
165
155
140
125
115
105
95
Ordering code2)
(reel packing)3)
PH
MHz
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
mA
^
1.0
r10% K
55
55
55
55
55
60
60
60
60
60
65
65
70
70
60
60
55
55
55
50
1200
1150
1100
1030
1000
940
900
850
820
780
670
690
680
650
610
580
560
530
500
470
0.16
0.18
0.20
0.22
0.25
0.26
0.29
0.31
0.34
0.38
0.51
0.48
0.49
0.55
0.60
0.67
0.74
0.83
0.92
1.02
B781 8S1102K000
*
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
B781 8S1122K000
*
B781 8S1152K000
*
B781 8S1182K000
*
B781 8S1222K000
*
B781 8S1272K000
*
B781 8S1332K000
*
B781 8S1392K000
*
B781 8S1472K000
*
85
B781 8S1562K000
*
75
B781 8S1682K000
*
50
B781 8S1822K000
*
10
35
B781 8S1103K000
*
12
15
18
22
27
33
39
30
B781 8S1123K000
*
20
B781 8S1153K000
*
17
B781 8S1183K000
*
13
B781 8S1223K000
*
10
B781 8S1273K000
*
9.0
8.0
B781 8S1333K000
*
B781 8S1393K000
*
BC chokes with temperature range up to +140 °C on request.
BC chokes up to 33 PH with higher resonance frequency on request.
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: B78108S1102K009
Please read Cautions and warnings and
Important notes at the end of this document.
5
06/12
RF chokes
B78108S, B78148S
BC series, 4 x 9.2 (mm)
Characteristics and ordering codes
LR
Tolerance1) Qmin
fQ
IR
Rmax
:
fres, min
MHz
7.5
7.0
6.5
6.0
5.0
4.5
4.2
3.9
3.7
2.8
2.7
2.4
2.2
2.0
1.9
1.6
1.6
1.3
1.25
1.2
1.1
1.0
0.9
0.8
0.7
Ordering code2)
(reel packing)3)
PH
MHz
mA
450
430
410
390
370
300
280
270
250
200
190
180
170
160
150
140
130
115
100
95
^
47
r5% J
45
40
40
35
70
70
70
70
70
70
70
70
70
60
55
50
50
50
50
50
40
40
40
40
35
2.52
1.10
1.23
1.35
1.54
1.70
2.40
2.80
3.00
3.30
5.70
6.40
7.00
7.90
8.80
10.0
12.0
14.0
17.5
23.0
26.0
34.7
40.0
59.5
66.0
78.0
B781 8S1473J000
*
56
68
2.52
B781 8S1563J000
*
2.52
B781 8S1683J000
*
82
2.52
B781 8S1823J000
*
100
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.252
0.252
0.252
0.252
0.252
0.252
0.252
0.252
0.252
B781 8S1104J000
*
120
B781 8S1124J000
*
150
B781 8S1154J000
*
180
B781 8S1184J000
*
220
B781 8S1224J000
*
270
B781 8S1274J000
*
330
B781 8S1334J000
*
390
B781 8S1394J000
*
470
B781 8S1474J000
*
560
B781 8S1564J000
*
680
B781 8S1684J000
*
820
B781 8S1824J000
*
1000
1200
1500
1800
2200
2700
3300
3900
4700
B781 8S1105J000
*
B781 8S1125J000
*
B781 8S1155J000
*
B781 8S1185J000
*
80
B781 8S1225J000
*
75
B781 8S1275J000
*
62
B781 8S1335J000
*
59
B781 8S1395J000
*
55
B781 8S1475J000
*
BC chokes with temperature range up to +140 °C on request.
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: B78108S1473J009
Please read Cautions and warnings and
Important notes at the end of this document.
6
06/12
RF chokes
B78108S, B78148S
BC series, 4 x 9.2 (mm)
Impedance |Z| versus frequency f
Inductance L versus DC load current IDC
measured with LCR meter Agilent 4284A,
typical values at +20 °C
measured with impedance analyzer Agilent
4294A or S-parameter network analyzer
Agilent 8753ES, typical values at +20 °C
IND0123-X
IND0122-K
104
106
Ω
B781*8S
B781*8S
μH
4700 μH
L
|Z|
105
104
103
102
101
100
1000 μH
100 μH
10 μH
103
102
101
1 μH
10 μH
100 μH
1000 μH
4700 μH
1 μH
100
_1
10
_2
_1
10
10
100
A
101
105
106
107
108 Hz 109
IDC
f
Q factor versus frequency f
Current derating Iop/IR
measured with impedance analyzer
versus ambient temperature TA
Agilent 4294A, typical values at +20 °C
(rated temperature TR = +40 qC)
IND0552-S-E
IND0124-C
1.2
Iop
150
100
50
B781*8S
IR
Q
1.0
0.8
0.6
0.4
0.2
0
1 μH
10 μH
100 μH
1000 μH
4700 μH
0
104
105
106
107 Hz 108
0
20
40
60
80 100
C 140
˚
TA
7
06/12
Cautions and warnings
■ Please note the recommendations in our Inductors data book (latest edition) and in the data
sheets.
– Particular attention should be paid to the derating curves given there.
– The soldering conditions should also be observed. Temperatures quoted in relation to wave
soldering refer to the pin, not the housing.
■ If the components are to be washed varnished it is necessary to check whether the washing
varnish agent that is used has a negative effect on the wire insulation, any plastics that are used,
or on glued joints. In particular, it is possible for washing varnish agent residues to have a
negative effect in the long-term on wire insulation.
Washing processes may damage the product due to the possible static or cyclic mechanical
loads (e.g. ultrasonic cleaning). They may cause cracks to develop on the product and its parts,
which might lead to reduced reliability or lifetime.
■ The following points must be observed if the components are potted in customer applications:
– Many potting materials shrink as they harden. They therefore exert a pressure on the plastic
housing or core. This pressure can have a deleterious effect on electrical properties, and in
extreme cases can damage the core or plastic housing mechanically.
– It is necessary to check whether the potting material used attacks or destroys the wire
insulation, plastics or glue.
– The effect of the potting material can change the high-frequency behaviour of the components.
■ Ferrites are sensitive to direct impact. This can cause the core material to flake, or lead to
breakage of the core.
■ Even for customer-specific products, conclusive validation of the component in the circuit can
only be carried out by the customer.
Please read Cautions and warnings and
Important notes at the end of this document.
8
06/12
Important notes
The following applies to all products named in this publication:
1. Some parts of this publication contain statements about the suitability of our products for
certain areas of application. These statements are based on our knowledge of typical
requirements that are often placed on our products in the areas of application concerned. We
nevertheless expressly point out that such statements cannot be regarded as binding
statements about the suitability of our products for a particular customer application. As
a rule, EPCOS is either unfamiliar with individual customer applications or less familiar with them
than the customers themselves. For these reasons, it is always ultimately incumbent on the
customer to check and decide whether an EPCOS product with the properties described in the
product specification is suitable for use in a particular customer application.
2. We also point out that in individual cases, a malfunction of electronic components or
failure before the end of their usual service life cannot be completely ruled out in the
current state of the art, even if they are operated as specified. In customer applications
requiring a very high level of operational safety and especially in customer applications in which
the malfunction or failure of an electronic component could endanger human life or health (e.g.
in accident prevention or life-saving systems), it must therefore be ensured by means of suitable
design of the customer application or other action taken by the customer (e.g. installation of
protective circuitry or redundancy) that no injury or damage is sustained by third parties in the
event of malfunction or failure of an electronic component.
3. The warnings, cautions and product-specific notes must be observed.
4. In order to satisfy certain technical requirements, some of the products described in this
publication may contain substances subject to restrictions in certain jurisdictions (e.g.
because they are classed as hazardous). Useful information on this will be found in our
Material Data Sheets on the Internet (www.epcos.com/material). Should you have any more
detailed questions, please contact our sales offices.
5. We constantly strive to improve our products. Consequently, the products described in this
publication may change from time to time. The same is true of the corresponding product
specifications. Please check therefore to what extent product descriptions and specifications
contained in this publication are still applicable before or when you place an order.
We also reserve the right to discontinue production and delivery of products.
Consequently, we cannot guarantee that all products named in this publication will always be
available. The aforementioned does not apply in the case of individual agreements deviating
from the foregoing for customer-specific products.
6. Unless otherwise agreed in individual contracts, all orders are subject to the current version
of the “General Terms of Delivery for Products and Services in the Electrical Industry”
published by the German Electrical and Electronics Industry Association (ZVEI).
7. The trade names EPCOS, BAOKE, Alu-X, CeraDiode, CeraLink, CSMP, CSSP, CTVS,
DeltaCap, DigiSiMic, DSSP, FilterCap, FormFit, MiniBlue, MiniCell, MKD, MKK, MLSC,
MotorCap, PCC, PhaseCap, PhaseCube, PhaseMod, PhiCap, SIFERRIT, SIFI, SIKOREL,
SilverCap, SIMDAD, SiMic, SIMID, SineFormer, SIOV, SIP5D, SIP5K, ThermoFuse, WindCap
are trademarks registered or pending in Europe and in other countries. Further information will
be found on the Internet at www.epcos.com/trademarks.
9
06/12
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