EMI Core ESD-FPD Series Split Cores with Metal Clamp for Flat Cables Overview Benefits The KEMET ESD-FPD Series split cores are designed for use on flat cable. The series features a stainless steel clamp and is available in a variety of sizes. * Split construction * Stainless steel clamp Applications EMI Cores Ring Type * Consumer electronics Tips on EMI Core Usages EMI Cores Characteristics and how to count turns Ring Type Number of turns are counted by how many times the lead wire Tips on EMI Core Usages hole of the core. Do not count the number of lead wire winding When desired performance can not be obtained just b Characteristics and how to count turns value can betimes raised y increasing th esses turn. In thisthe case, the Number of turns are counted by how many theblead wire pa through inner be checked is in the desired range adding resu hole of the core. Do not count the number of leadthat wire it winding outsideasthe core, asturns it results EMI Cores Ring Type Turns and Impedance Characteristics When desired performance can not be obtained just b Tips on EMI Core Usages value can be raised b Figure 1 - How to count turns e turn. In this case, the y 1 turn, impedance characteristics Repr 10000 e frequency band should y increasing th Impedance () Impedance Increase 1000 3T A turn is counted by the number of lead-wire windings 3T When desired performance can not be obtained just b 1T y 1 turn, 2T impedance characteristics which pass through the inner hole of thevalue core. Windings y increasing th e turn. In this case, the 2T can be raised b 100 e frequency band should *Number of lead wire wound outside +1 on the outside of the core do not count. be See Figure checked that1itfor is in the desired range as adding turns resu ltsthe in core lowering 1Tdown the of read wire passes through the inner Figure=2Number - Relationship between impedance and turn count. 1T 2T 3T examples of one, two, and three turns. hole of the core 10 (Representative example: ESD-R-16C) Impedance Increase Impedance () When the desired performance of an EMI core cannot be checked that it is in the desired range as adding turns resu lts in lowering down the be obtained with a single pass through the core, the 1000 Characteristics and how to count turns impedance characteristics can be changed with multiple Represe ntative ExampleESD-R-16C Number of turns are counted by how many times the lead wire pa sses through the inner 10000 turns. Resonance point100 changes to lower b hole of the core. Do not count the number of lead wire winding outside the core, as it results 10 1 1 Represe ntative ExampleESD-R-16C = Turn count How to count turns 1 How to count turns Resonance point changes to lower band Fig.2 Fig.1 1 10 100 Relationship be 1000 Frequency (MHz) 3T Impedance Increase Fig.1 Impedance () of lead wire wound outside the core + 1 10000 Adding turns will result in higher impedance while also *Number = Number of read wire passes through the inner hole of the core lowering the effective frequency range. See Figure 2 for= Turn count 1000 an example. Fig.2 materials Relationshipofbetween an d turn There are two ferrite,impedance Ni-Zn series and Mn-Zn sercounts 2T 100 Core Material and Effective Frequency RangeThere Noteseries that and above are two materials of ferrite, Ni-Zn Mn-Zn ser 1T 2T 3T 10 1T e band range s ais reference ies.i Ni-Zn series e ive for kHz band range. with actual instrument is necessary. There are two ferrite material options for *Number of lead wire wound outside core + 1 1 e band range i s a has reference Examination of s serie Note the that above As Mn-Zn series loweronly. resistance compared to Ni-Zn = Number of read wire passes through the inner 10 100 1000 KEMET EMI Cores: Nickel-Zinc (Ni-Zn) andhole of the core with actual instrument is necessary. 1 adequate insulation before use. = Turn count Frequency (MHz) Manganese-Zinc (Mn-Zn). Each core material As Mn-Zn series has lower resistance compared to Ni-Zn series, make sure to provide Fig.1 How to count turns Fig.2 Relationship between impedance an Mn-Zn series vs Ni-Zn series d turn counts Z-f Characteristics (re adequate insulation before use. has a different resistance and effective (measurement measured with same-dimensio Figure 3 - Effective band range of Mn-Zn and Ni-Zncondition: ferrite core material. frequency range. The Mn-Zn core material Mn-Zn series vs Ni-Zn series 1000 Z-f Characteristics (representative example) (Representative example, measured with same-dimension ring core) There are two materials of ferrite, Ni-Zn series and Mn-Zn ser ies. Ni-Zn series is e (measurement condition: measured with same-dimension ring core) has lower resistance compared to the Ni1000 ive for kHz band range. Zn; therefore, be sure to provide adequateNote that above e band range i s a reference only. Examination of s AM band range insulation before use. with actual instrument is necessary. AM band range FM band range As Mn-Zn series has lower resistance compared to Ni-Zn series, NiZn serie make sure to provide It is recommended to verify actual effectiveness in the target application with measurements. Impedance () Impedance () Impedance () 100 For reference, the Ni-Zn core material is adequate insulation before use.100 NiZn series core typically effective for the frequencies in the MnZn series core Mn-Zn series vs Ni-Zn series Z-f Characteristics (representative example) MnZn series core MHz band range such as the FM-band, while (measurement condition: measured with same-dimension ring core) the Mn-Zn core material is typically effective for1000 10 10 the kHz band range such as the AM-band. See Figure 3. AM band range FM band range NiZn series core 100 1 0.01 core MnZn series 0.1 1 1 Fig.3 10 10 0.01 Frequency (MHz) Fig.3 (c) KEMET Electronics Corporation * P.O. Box 5928 * Greenville, SC 29606 (864) 963-6300 * www.kemet.com 100 0.1 0.1 1 10 E5007_ESD-FPD * 3/29/2017 100 1000 10 Frequency (MHz) te One world. One KEMET 1 0.01 1 1000 1 EMI C ) 1 R(0.5 b DDMaximum Maximum R1 ESD-FPD-1 Series Clamp FPD-CL-1 (Black nylon with cable stopper) 14.5 2.0 14.8 7.1 3.5 5.5 EMI Core - ESD-FPD Series Split Cores with Metal Clamp for Flat Cables 22.3 Dimensions - Millimeters 9.5 17 11. 3 Fig.2 Fig.3 11. 3 3.0 D D Fig.1 A A C(0.3~0.5) a E e 3.0 3.0 0. 3 0. 3 C c B B b C(0.2~1) C(0.2~0.5) d R1 a R1 ) R (0.5.5) 0 ( R 13.4 13.4 b R1 R1 5.5 5.5 E C C B B C (0.2~1) CC(0.2~1) (0.2~0.5) C (0.2~0.5) D D A A C E C All KEMETBEMI B cores are RoHS Compliant. E C (0.3~0.5) C (0.3~0.5) D D A A C Environmental Compliance 17 17 28 28 E C (0.3~0.5) C (0.3~0.5) D D 9.5 9.5 E 21 21 C 4.5 14.5 14.5 2.0 2.0 Installation Example plication 4Example .5 A A [mm 22. 3 22. 3 7.0 14.8 7.0 14.8 7.1 7.1 3.5 3.5 See Table 1 for dimensions E b C e E d 10. 3 10. 3 3.0 C(0.3~0.5) d c a Clamp (Stainless Steel) 28 21 e Core 1c 1 3 .43 .4 7.0 4.5 B B EMI RoHS Compliant (c) KEMET Electronics Corporation * P.O. Box 5928 * Greenville, SC 29606 (864) 963-6300 * www.kemet.com E5007_ESD-FPD * 3/29/2017 2 EMI Core - ESD-FPD Series Split Cores with Metal Clamp for Flat Cables Table 1 - Ratings & Part Number Reference Dimensions (mm) Part Number ESD-FPD-16 ESD-FPD-34 ESD-FPD-40 ESD-FPD-50 A B C D E 37.0 60.0 68.0 80.0 25.4 48.3 56.0 68.6 10.0 10.0 10.0 10.0 12.7 12.7 12.7 12.7 2.6 2.0 2.0 2.0 Applicable Cable 16 Core 34 Core 40 Core 50 Core Flat Type Impedance vs. Frequency Flat Type Impedance vs. Frequency 10000 ESD-FPD-16,16-1 10000 Impedance vs. Frequency 10 100 1 10 1 1000 10000 10 100 1000 100 1000 Frequency (MHz) ESD-FPD-40,40-1 1 10 Frequency (MHz) ESD-FPD-40,40-1 10 100 1 1 10 100 1000 10 100 1000 Frequency (MHz) Frequency (MHz) ESD-FPD-34,34-1 100 1000 10 100 1 10 1 1 10000 1000 10000 100 1000 1 10 1 ImpedanceImpedance () () 1000 10000 100 1000 1 10000 ImpedanceImpedance () () ESD-FPD-16,16-1 ImpedanceImpedance () () ImpedanceImpedance () () 1000 10000 ESD-FPD-34,34-1 10 100 1000 100 1000 10 100 1000 10 100 1000 Frequency (MHz) ESD-FPD-50,50-1 1 10 Frequency (MHz) ESD-FPD-50,50-1 100 1000 10 100 1 10 1 1 1 Frequency (MHz) Frequency (MHz) (c) KEMET Electronics Corporation * P.O. Box 5928 * Greenville, SC 29606 (864) 963-6300 * www.kemet.com E5007_ESD-FPD * 3/29/2017 3 EMI Core - ESD-FPD Series Split Cores with Metal Clamp for Flat Cables KEMET Electronic Corporation Sales Offices For a complete list of our global sales offices, please visit www.kemet.com/sales. Disclaimer All product specifications, statements, information and data (collectively, the "Information") in this datasheet are subject to change. The customer is responsible for checking and verifying the extent to which the Information contained in this publication is applicable to an order at the time the order is placed. All Information given herein is believed to be accurate and reliable, but it is presented without guarantee, warranty, or responsibility of any kind, expressed or implied. Statements of suitability for certain applications are based on KEMET Electronics Corporation's ("KEMET") knowledge of typical operating conditions for such applications, but are not intended to constitute - and KEMET specifically disclaims - any warranty concerning suitability for a specific customer application or use. The Information is intended for use only by customers who have the requisite experience and capability to determine the correct products for their application. Any technical advice inferred from this Information or otherwise provided by KEMET with reference to the use of KEMET's products is given gratis, and KEMET assumes no obligation or liability for the advice given or results obtained. Although KEMET designs and manufactures its products to the most stringent quality and safety standards, given the current state of the art, isolated component failures may still occur. Accordingly, customer applications which require a high degree of reliability or safety should employ suitable designs or other safeguards (such as installation of protective circuitry or redundancies) in order to ensure that the failure of an electrical component does not result in a risk of personal injury or property damage. Although all product-related warnings, cautions and notes must be observed, the customer should not assume that all safety measures are indicted or that other measures may not be required. KEMET is a registered trademark of KEMET Electronics Corporation. (c) KEMET Electronics Corporation * P.O. Box 5928 * Greenville, SC 29606 (864) 963-6300 * www.kemet.com E5007_ESD-FPD * 3/29/2017 4