Spezifikation für Freigabe / specification for release Kunde / customer : Artikelnummer / part number : Bezeichnung : description : LF 74476606 RoHS compliant SMD-HF-Entstördrossel WE-GF SMD-RF-Choke WE-GF DATUM / DATE : 2004-10-11 A Mechanische Abmessungen / dimensions : Typ / Type L cC A B C D E F D A F D D 4,2 ± 0,2 4,5 ± 0,3 3,2 ± 0,4 1,0 ref. 3,2 ± 0,2 1,2 mm mm mm mm mm mm e E B @@FRM 1@@ B Elektrische Eigenschaften / electrical properties : Testbedingungen / test conditions C Lötpad / soldering spec. : Wert / value Einheit / unit tol. µH ±10% 7,96 MHz L 6,80 7,96 MHz Q 50 RDC 1,20 Ω max. IDC 285 mA max. SRF 27 MHz typ. D Prüfgeräte / test equipment : [mm] min. 2,8 Eigenschaften / properties Induktivität / inductance Güte Q / Q factor DC-Widerstand / DC-resistance Nennstrom / rated current Eigenres.-Frequenz / self-res.-fequency 1,5 3,0 1,5 E Testbedingungen / test conditions : HP 4291 B für/for L und/and Q Luftfeuchtigkeit / humidity: HP 4338 B für/for RDC Umgebungstemperatur / temperature: 33% +20°C HP 4284 A für/for IDC HP 8722 D für/for SRF F Werkstoffe & Zulassungen / material & approvals : G Eigenschaften / general specifications : Basismaterial / base material: Ferrit / ferrite Betriebstemp. / operating temperature: -40°C - + 105°C Anschlusspad/ Terminal Cu/Sn Umgebungstemp. / ambient temperature: -40°C - + 85°C Gehäuse/ Housing UL94-V0 It is recommended that the temperature of the part does not exceed 105°C under worst case operating conditions. Freigabe erteilt / general release: Kunde / customer ........................................................................... .................................................................................. Datum / date Unterschrift / signature Würth Elektronik ........................................................................... Geprüft / checked .................................................................................. Kontrolliert / approved MST Version 4 04-10-11 AG/LF/MST Version 3 03-12-04 SST Version 2 03-05-20 MST Version 1 Name 02-05-03 Änderung / modification Datum / date This electronic component is designed and developed with the intention for use in general electronics equipments. Before incorporating the components into any equipments in the field such as aerospace, aviation, nuclear control, submarine, transportation, (automotive control, train control, ship control), transportation signal, disaster prevention, medical, public information network etc. where higher safety and reliability are especially required or if there is possibility of direct damage or injury to human body. In addition, even electronic component in general electronic equipments, when used in electrical circuits that require high safety, reliability functions or performance, the sufficient reliability evaluation-check for the safety must be performed before use. It is essential to give consideration when to install a protective circuit at the design stage. Würth Elektronik eiSos GmbH & Co. KG D-74638 Waldenburg · Max-Eyth-Strasse 1 - 3 · Germany · Telefon (+49) (0) 7942 - 945 - 0 · Telefax (+49) (0) 7942 - 945 - 400 http://www.we-online.de SEITE 1 VON 1