Spezifikation für Freigabe / specification for release Kunde / customer : Artikelnummer / part number : Bezeichnung : description : 74457147 LF RoHS compliant SMD-SPEICHERDROSSEL WE-PD 4 POWER-CHOKE WE-PD 4 DATUM / DATE : 2004-10-11 A Mechanische Abmessungen / dimensions : F • R90 A Typ XL C D A B C D E F E mm mm mm mm mm mm 22,0 ± 0,3 15,0 ± 0,3 7,0 +0,8/-0,4 2,3 (typ) 15,0 (typ) 8,0 (typ) B = Start of winding Marking = Inductance code @@FRM 1@@ B Elektrische Eigenschaften / electrical properties : Eigenschaften / properties Induktivität / inductance DC-Widerstand / DC-resistance DC-Widerstand / DC-resistance Nennstrom / rated current Sättigungsstrom / saturation current Eigenres.-Frequenz / self-res.-fequency Testbedingungen / test conditions C Lötpad / soldering spec. : Wert / value Einheit / unit tol. 100 kHz / 1V L 47,00 µH ±10% @ 20° C RDC typ 91,1 mΩ typ. @ 20° C RDC max 109,0 mΩ max. ∆T = 40 K IDC 2,80 A max. |∆L/L|< 10% Isat 5,00 A typ. SRF 9,00 D Prüfgeräte / test equipment : MHz [mm] 27,5 9,20 9,10 9,20 9,0 14,8 4,0 13,5 4,0 21,5 typ. E Testbedingungen / test conditions : HP 4274 A für/for L und/and Q Luftfeuchtigkeit / humidity: 33% HP 34401 A für/for IDC und/and RDC Umgebungstemperatur / temperature: +20°C F Werkstoffe & Zulassungen / material & approvals : G Eigenschaften / general specifications : Basismaterial / base material: Ferrit/ferrite Betriebstemp. / operating temperature: -40°C - + 125°C Draht / wire: 2UEWF 155°C Umgebungstemp. / ambient temperature: -40°C - + 85°C Sockel/ base: UL94V-0 It is recommended that the temperature of the part does Pin / Terminal 100% Sn not exceed 125°C under worst case operating conditions. Freigabe erteilt / general release: ............................................................................ Kunde / customer .................................................................................. Datum / date Unterschrift / signature Würth Elektronik ............................................................................ ...................................................... Geprüft / checked Kontrolliert / approved MST Version 1 2004-10-11 Name Änderung / modification Datum / date 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.com SEITE 1 VON 3 Spezifikation für Freigabe / specification for release Kunde / customer : Artikelnummer / part number : Bezeichnung : description : 74457147 LF RoHS compliant SMD-SPEICHERDROSSEL WE-PD 4 POWER-CHOKE WE-PD 4 DATUM / DATE : 2004-10-11 H Induktivitätskurve / Inductance curve : Induktivität vs Strom (typ.) / Inductance vs Current (typ.) 50,00 45,00 40,00 35,00 L (µH) 30,00 25,00 20,00 15,00 The force for tearing off cover tape is 20 to 70 grams in arrow direction 10,00 5,00 0,00 0,0 1,0 Freigabe erteilt / general release: ............................................................................ Datum / date ............................................................................ Geprüft / checked 2,0 3,0 Current (A) 4,0 5,0 6,0 7,0 Kunde / customer .................................................................................. Unterschrift / signature Würth Elektronik .................................................................................. Kontrolliert / approved Name Änderung / modification Datum / date 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.com SEITE 2 VON 3 Spezifikation für Freigabe / specification for release Kunde / customer : Artikelnummer / part number : Bezeichnung : description : 74457147 LF RoHS compliant SMD-SPEICHERDROSSEL WE-PD 4 POWER-CHOKE WE-PD 4 DATUM / DATE : 2004-10-11 I Rollenspezifikation / tape and reel specification: øD E A F G B C T Gurtspezifikation / Tape specification: A 15,5 ± 0,1 B 20,0 ± 0,1 C 2,00 min. D 1,55 ± 0,05 E 4,00 ± 0,1 H F 2,00 ± 0,1 G 1,75 ± 0,1 W H 14,2 ± 0,1 I 7,95 ± 0,1 J 22,4 ± 0,1 T 0,50 ± 0,05 W 32,0 ± 0,3 mm mm mm mm mm mm mm mm mm mm mm mm J I a d b Rollenspezifikation / Reel specification: a 330,0 ± 2,0 mm b 21,00 ± 0,8 mm c 13,00 ± 0,5 mm d 100,0 ± 2,0 mm Øc 150° The force for tearing off cover tape is 20 to 70 grams in arrow direction feeding direction Freigabe erteilt / general release: ............................................................................ Kunde / customer .................................................................................. Datum / date Unterschrift / signature Würth Elektronik ............................................................................ ........................................................ Geprüft / checked Kontrolliert / approved MST Version 1 2004-10-11 Name 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.com SEITE 3 VON 3