Spezifikation für Freigabe / specification for release Kunde / customer : Artikelnummer / part number : 74457122 SMD-SPEICHERDROSSEL WE-PD 4 POWER-CHOKE WE-PD 4 Bezeichnung : description : DATUM / DATE : 2004-10-11 A Mechanische Abmessungen / dimensions : F • Marking A Typ XL C D 22,0 ± 0,3 15,0 ± 0,3 7,0 +0,8/-0,4 2,3 (typ) 15,0 (typ) 8,0 (typ) A B C D E F E mm mm mm mm mm mm 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 22,00 µH ±15% @ 20° C RDC typ 39,3 mΩ typ. @ 20° C RDC max 47,0 mΩ max. ∆T = 40 K IDC 4,00 A max. |∆L/L|< 10% Isat 6,50 A typ. 14,00 SRF 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: HP 34401 A für/for IDC und/and RDC Umgebungstemperatur / temperature: 33% +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 : 74457122 SMD-SPEICHERDROSSEL WE-PD 4 POWER-CHOKE WE-PD 4 Bezeichnung : description : DATUM / DATE : 2004-10-11 H Induktivitätskurve / Inductance curve : Induktivität vs Strom (typ.) / Inductance vs Current (typ.) 25,00 20,00 L (µH) 15,00 10,00 The force for tearing off cover tape is 20 to 70 grams in arrow direction 5,00 0,00 0,0 1,0 Freigabe erteilt / general release: ............................................................................ Datum / date ............................................................................ Geprüft / checked 2,0 3,0 4,0 5,0 Current (A) 6,0 7,0 8,0 9,0 10,0 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 : 74457122 SMD-SPEICHERDROSSEL WE-PD 4 POWER-CHOKE WE-PD 4 Bezeichnung : description : 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 has been designed and developed for usage in general electronic equipment. Before incorporating this component into any equipment where higher safety and reliability is especially required or if there is the possibility of direct damage or injury to human body, for example in the range of aerospace, aviation, nuclear control, submarine, transportation, (automotive control, train control, ship control), transportation signal, disaster prevention, medical, public information network etc, Würth Elektronik eiSos GmbH must be informed before the design-in stage. In addition, sufficient reliability evaluation checks for safety must be performed on every electronic component which is used in electrical circuits that require high safety and reliability functions or performance. 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