chokes and inductors for high frequency and emc rf chokes, mcc series series/type: b78108t / b78148t date: november 2005 ? epcos ag 2005. reproduction, publication and dissemination of this publication and the infor- mation contained therein without epcos? prior express consent is prohibited.
2 11/05 rf chokes mcc series b78108t b78148t please read the important notes at the end of this document. mcc choke (mini cylinder core) rated current 85 to 1120 ma rated inductance 0.1 to 100 h construction ceramic or ferrite cylinder core winding: enamel copper wire flame-retardant 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. 50.25 9.8 max. ind0427-u ?3.3 max. ?0.6 max. 60.5 651 lacquered/lackiert (iec 60294) 3.5 min. 53 50.25 ind0111-l 12,5 16 5 12,7 minimum lead spacing 10 mm approx. weight 0.25 g schematic drawing (details page 8)
3 11/05 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 upon request. 2) replace the asterisk * 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: b78108t3101k009 l r h toler- rance 1) q min f q mhz i r ma r max f res, min mhz ordering code 2) (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 ^
4 11/05 rf chokes mcc series b78108t b78148t please read the important notes at the end of this document. characteristics and ordering codes (continued) for further technical data see page 6. 1) closer tolerances upon request. 2) replace the asterisk * 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 l r h toler- rance 1) q min f q mhz i r ma r max f res, min mhz ordering code 2) (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 ^
5 11/05 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 i dc measured with lcr meter hp 4275a current derating i op /i r versus ambient temperature t a (rated temperature t r = 40 c) ind0112-n 10 0 10 6 f 10 7 10 8 10 9 10 1 10 2 10 3 10 4 10 5 10 6 0,1 h 1 h 10 h 100 h hz || z b781*8t ind0114-h q f 0 50 100 8 10 7 10 6 10 10 5 hz 10 4 100 h 10 h 1 h 0,1 h b781*8t ind0113-b l 10 10 i 10 10 0 10 1 dc 10 10 0 10 1 10 2 10 3 100 h 10 h 1 h 0,1 h a h _ 2 1 _ 2 _ 1 _ b781*8t ind0552-s-e 0 0 op i r i t a 20 40 60 80 100 ?c 140 0.2 0.4 0.6 0.8 1.0 1.2
6 11/05 rf chokes mcc series b78108t b78148t please read the important notes at the end of this document. general technical data rated inductance l r measuring frequency: l 10 h= 1 mhz 10 h < l 4700 h = 100 khz l > 4700 h = 10 khz measuring current: 1 ma distance between measuring clamps: 25.4 mm q factor q min measured with hp 4342a rated current i r maximum permissible dccurrent referred to 40 c ambient temperature, for derating see below inductance decrease l/l 0 10% (referred to initial value) at i r at 20 c ambient temperature dc resistance r max measured at 20 c ambient temperature, distance between measuring clamps: 25.4 mm resonance frequency f res, 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 the 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.
7 11/05 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 encoded by means of colored bands in accordance with iec 60062. the basic unit is h. 1 st band 1 st digit of inductance value 2 nd band 2 nd digit of inductance value 3 rd band multiplier, i.e. the power of ten, by which the first two digits have to be multiplied. 4 th band tolerance of the inductance value. examples: color code 1 st band = 1 st digit 2 nd band = 2 nd digit 3 rd band = multiplier 4 th band = tolerance colorless ? ? ? 20 % (m) silver ? ? 10 -2 h = 0.01 h 10 % (k) gold ? ? 10 -1 h = 0.1 h 5 % (j) black ? 0 10 0 h = 1 ,01 h? brown 1 1 10 1 h = 10 ,01 h red 2 2 10 2 h = 100 ,01 h 2 % (g) orange 3 3 10 3 h = 1000 ,01 h yellow 4 4 10 4 h = 10000 ,01 h green 5 5 10 5 h = 100000 ,01 h special 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 1 st band 2 nd band 3 rd band 4 th band decoding yellow violet gold silver 47 0.1 h 10 % = 47 0.1 h 10 % = 4.7 h 10 % brown green red gold 15 100 ,0 h 5% =15 100 ,0 h 5 % = 1500 ,0 h 5%
8 11/05 rf chokes mcc series b78108t b78148t please read the important notes at the end of this document. taping and packing axially taped (to iec 60286-1) radially taped (to iec 60286-2) 7 max. 50.25 9.8 max. ind0427-u ?3.3 max. ?0.6 max. 60.5 651 lacquered/lackiert (iec 60294) 3.5 min. 53 50.25 ind0444-2 2 max. 2 max. 160.5 29 max. 6 min. 0.5 max. 3.80.7 12.70.3 0.6 max. 0.70.2 1.3 max. 1.3 max. 40.2 +1 0.5 18 _ +0.75 0.5 9 _ 0.1 5 +0.6 _ ?3.3 max. 7 max. (iec 60294) 9.8 max. lacquered/lackiert insulated isoliert
9 11/05 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 1 ?360 _ ?30.50.15 ?82+1 ?90 n w label 30 30 30 axial radial n (mm) 72 +1 42 +1 w (mm) 84 max. 54 max. l h b 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 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 require- ments that are often placed on our products in t he 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 r easons, it is always ultimately incumbent on the customer to check and decide whether an epco s product with the properties described in the product specification is suitable for us e 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 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 re- quiring a very high level of operational safety and es pecially in customer app lications in which the malfunction or failure of a passive electr onic 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 ac tion 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/m aterial). 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 appl icable before or when you place an order. we also reserve the right 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 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, ceradiode, cssp, p hasecap, 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 www.epcos.com/trademarks.
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