B78108T1392K0009 - EPCOS AG

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Chokes and inductors

For hi gh freq uency a nd EMC

RF chokes, MCC series

Series/Type: B78108T / B78148T

Date: November 2005

mation contained therein without EPCOS’ prior express consent is prohibited.

211/05

RF chokes

MCC series B78108T

B78148T

Please read the Impo rt an t notes at the end of

this document.

MCC choke (Mini Cylinder Core)

Rated current 85 to 1120 mA

Rated inductance 0.1 to 100

Construction

■Ceramic or ferrite cylinder core

■Winding: enamel copper wire

■Flame-reta rdant 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.

5±0.25

9.8 max.

IND0427-U

ø3.3 max.

ø0.6 max.

6±0.5

65±1

lacquered/lackiert

(IEC 60294)

3.5 min.

5±0.25

IND0111-L

12,5

12,7

Minimum lead spacing 10 mm

Approx. weight 0.25 g Schematic drawing (details page 8)

311/05

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 u pon requ est.

2) Replace the asteris k * by code number » 0« for a xial tapi ng or by »4« for r adial tap ing.

3) For Ammo pack the l ast digit has to b e a »9«. Example: B78108T 3101K00 9

μHToler-

rance1) Qmin f

MHz IR

mA Rmax

fres, min

MHz Ordering code2)

(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

411/05

RF chokes

MCC series B78108T

B78148T

Please read the Impo rt an t notes at the end of

this document.

Characteristics and ordering codes (con tinued)

For further technical data see page 6.

1) Closer tolerances u pon requ est.

2) Replace the asteris k * by code number » 0« for a xial tapi ng or by »4« for r adial tap ing.

3) For Ammo pack the l ast digit has to b e a »9«. Example: B78108T 1102K00 9

μHToler-

rance1) Qmin f

MHz IR

mA Rmax

fres, min

MHz Ordering code2)

(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

511/05

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 IDC

measured with LCR meter

HP 4275A

Current derating Iop/IR

versus ambient temperature TA

(rated temperature TR = 40 °C)

IND0112-N

100106

107108109

101

102

103

104

105

106

0,1 µH

1 µH

10 µH

100 µH

||Z

B781*8T

IND0114-H

100

1010

Hz10

100 µH

10 µH

1 µH

0,1 µH

B781*8T

IND0113-B

10 10 I

10 10

100 µH

10 µH

1 µH

0,1 µH

µH

B781*8T

IND0552-S-E

20 40 60 80 100 ˚C 140

0.2

0.4

0.6

0.8

1.0

1.2

611/05

RF chokes

MCC series B78108T

B78148T

Please read the Impo rt an t notes at the end of

this document.

General technical data

Rated inductance LRMeasuring frequency: L ≤ 10 μH= 1 MHz

10 μH < L ≤ 4700 μH = 100 kHz

L > 4700 μH = 10 kHz

Measuring current: ≤ 1 mA

Distance between

measuring clamps: 25.4 mm

Q factor Qmin Measured with HP 4342A

Rated current IRM a xim um perm issible DCcurrent

referred to 40 °C ambient temperature,

for derating see below

Inductance decrease ΔL/L0≤10% (referred to initial value) at IR

at 20 °C ambient temperature

DC resistance Rmax Measured at 20 °C ambient temperature,

distance between measuring clamps: 25.4 mm

Resonance frequency fres, min Measured with Scalar Network Analyzer ZAS

from Rohde & Schwarz

Climatic category 55/125/56 (–55 °C/+125 °C/56 days damp heat test)

to IEC 60068-1

Solderability 235 °C, 2 s, ≥90% wetting

to IEC 60068-2–20, test Ta

Resistance to soldering heat To IEC 60068-2-20, test Tb 260 °C, 10 s

Tensile strength of leads To IEC 60068-2-21, test Ua ≥20 N

RoHS-compatible RoHS-compatible is defined as compatible with the follow-

ing documents:

DIRECTIVE 2002/95/EC OF THE EUROPEAN PARLIA-

MENT AND OF THE COUNCIL of 13 February 2003 on the

restriction of the use of certain hazardous substances in

electrical and electronic equipment COM (2004) 606 final

Proposal for a COUNCIL DECISION amending Directive

2002/95/EC of the European Parliament and of t he Council

for the purposes of establishing the maximum concentra-

tion values for certain hazardous substances in electrical

and electronic equipment.

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.

711/05

RF chokes B78108T

MCC series

Please read the Important notes at the end of

this document.

B78148T

Color coding of the inductance value

The inductance value and tolerance are e ncoded by means of colored bands in accord ance with

IEC 60062. The basic unit is μH.

1st band 1st digit of inductance value

2nd band 2nd digit of inductance value

3rd band multiplier, i.e. the power of ten, by which the first two digits have to be multiplied.

4th band tolerance of the inductance value.

Examples:

Color code 1st band =

1st digit 2nd band =

2nd digit 3rd band =

multiplier 4th band =

tolerance

Colorless — — — ± 20 % (M)

Silver — — × 10-2 μH = 0.01 μH± 10 % (K)

Gold — — × 10-1 μH = 0.1 μH± 5 % (J)

Black — 0 × 100 μH = 1,01 μH—

Brown 1 1 × 101 μH = 10,01 μH

Red 2 2 × 102 μH = 100,01 μH± 2 % (G)

Orange 3 3 × 103 μH = 1000,01 μH

Yellow 4 4 × 104 μH = 10000 ,01 μH

Green 5 5 × 105 μH = 100000,01 μHSpecial designs

manufactured to

customer specifica-

tions are identified

by a white tolerance

band.

Blue 6 6

Violet 7 7

Grey 8 8

White 9 9

1st band 2nd band 3rd band 4th band Decoding

Yellow Violet Gold Silver

47×0.1 μH±10 % = 47 ×0.1 μH ±10 % = 4.7 μH ±10 %

Brown Green Red Gold

15×100,0 μH±5% =15×100,0 μH ±5 % = 1500,0 μH ±5%

811/05

RF chokes

MCC series B78108T

B78148T

Please read the Impo rtant n ot es at the end of

this document.

Taping and packing

Axially taped (to IEC 60286-1)

Radially taped (to IEC 60286-2)

7 max.

5±0.25

9.8 max.

IND0427-U

ø3.3 max.

ø0.6 max.

6±0.5

65±1

lacquered/lackiert

(IEC 60294)

3.5 min.

5±0.25

IND0444-2

2 max.2 max.

16±0.5

29 max.

6 min. 0.5 max.

3.8±0.7

12.7±0.3

0.6 max.

0.7±0.2

1.3 max. 1.3 max.

4±0.2

0.5

+0.75

0.5

0.1

5+0.6

ø3.3 max.

7 max.

(IEC 60294)

9.8 max.

lacquered/lackiert

insulated

isoliert

911/05

RF chokes B78108T

MCC series

Please read the Important notes at the end of

this document.

B78148T

Reel packing

Ammo pack

Packing units

Reel packing

pcs./reel Ammo pack

pcs./pack.

Axial 5000 5000

Radial 2000 2500

IND0452-V

Etikett

1ø360

ø30.5±0.15

ø82+1

ø90

wLabel

Axial Radial

n (mm) 72 +1 42 +1

w (mm) 84 max. 54 max.

SSB1858-W

Axial Radial

L (mm) 310 max. 340 max.

B (mm) 75 max. 50 max.

H (mm 120 max. 210 max.

10 11/05

Important notes

The following applies to all produc ts 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 require-

ments that are often placed on our products in the areas of application concerned. We neverthe-

less 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 whethe r 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 passive electronic components

or failure before the end of th eir usual service life cann ot be completely ruled out in the

current state of the art, even if they are o perated as specified. In cus tomer applications re-

quiring a very high level of operational safety and especially in customer applications in which the

malfunction or failure of a passive 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 suit-

able 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 a passive 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 pub-

lication may contain substances subject to restrictions in certain jurisdictions (e.g. be-

cause 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 al so reserve the rig ht to discontinue production and delivery of products. Consequent-

ly, we cannot guarantee that all products named in this publication will always be available.

6. Unless ot herwise agr eed in individual cont racts, al l orde rs 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, CeraDiode, CSSP, PhaseCap, PhaseMod, SilverCap, SIFI, SIMID,

SIKOREL, SIOV, SIP5D, SIP5K, TOPcap, UltraCap, WindCap are trademarks registered or

pending in Europe and in other countries. Further information will be found on the Internet at