Spezifikation für Freigabe / specification for release Kunde / customer : Artikelnummer / part number : Bezeichnung : description : 744771247W SPEICHERINDUKTIVITÄT WE-PD POWER-INDUCTOR WE-PD DATUM / DATE : 2012-09-10 A Mechanische Abmessungen / dimensions : A 1260 E C B A B C D E D Marking 12,0 ± 0,4 12,0 ± 0,4 6,5 max 5,0 ± 0,2 7,2 ± 0,2 mm mm mm mm mm @@FRM 1@@ = Start of winding Marking = Inductance code 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 / 0,25V L 470 µH ±20% @ 20°C RDC typ 660 W typ. @ 20°C RDC max 770 W max. ∆T= 40 K IR 0,64 A max. |∆L/L|< 10% Isat 0,80 A typ. @20°C fres 2,6 MHz typ. D Prüfgeräte / test equipment : 5,4 2,9 7,0 2,9 12,8 E Testbedingungen / test conditions : WAYNE KERR 3260B für/for L; Isat Luftfeuchtigkeit / humidity: Agilent N5776A / Dostmann T905 für/for IR Umgebungstemperatur / temperature: 33% +20°C GMC Metrahit 27I für/for RDC Agilent E4991A für/for fres F Werkstoffe & Zulassungen / material & approvals : G Eigenschaften / general specifications : Basismaterial / base material: Ferrit/ferrite Betriebstemp. / operating temperature: -40°C - + 125°C Therminal base material: Copper- alloy Umgebungstemp. / ambient temperature: -40°C - + 85°C Therminal finish: Ni barrier / matte Sn It is recommended that the temperature of the part does Draht / wire: Class H not exceed 125°C under worst case operating conditions. Glue and base can get yellow after sodlering process Freigabe erteilt / general release: .................................................................................. Datum / date ............................................... Geprüft / checked Kunde / customer .................................................................................. Unterschrift / signature Würth Elektronik ................................................. Kontrolliert / approved ALa Version 1 12-09-10 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 : 744771247W SPEICHERINDUKTIVITÄT WE-PD POWER-INDUCTOR WE-PD DATUM / DATE : 2012-09-10 H Induktivitätskurve / Inductance curve : Induktivität vs Strom (typ.)/ Inductance vs Current (typ.) 500,00 450,00 400,00 350,00 L (µH) 300,00 250,00 200,00 150,00 100,00 50,00 0,00 0,00 0,20 0,40 0,60 0,80 1,00 1,20 1,40 1,60 Current (A) Freigabe erteilt / general release: .................................................................................. Datum / date ............................................... Geprüft / checked Kunde / customer .................................................................................. Unterschrift / signature Würth Elektronik ................................................. Kontrolliert / approved ALa Version 1 12-09-10 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 : 744771247W SPEICHERINDUKTIVITÄT WE-PD POWER-INDUCTOR WE-PD DATUM / DATE : 2012-09-10 I Rollenspezifikation / tape and reel specification : øC E G F H xxx xxx Gurtspezifikation / Tape specification: A mm 12,7 ± 0,1 B mm 16,0 ± 0,1 0,1 C 1,50 +- 0,0 mm D mm 24,0 ± 0,2 E mm 4,00 ± 0,1 F mm 2,00 ± 0,1 G mm 1,75 ± 0,1 H mm 11,5 ± 0,1 I 12,7 ± 0,1 mm J 6,20 ± 0,1 mm T 0,40 ± 0,05 mm D T B A I J a Rollenspezifikation / Reel specification: a 330,0 ± 2,0 mm b 21,00 ± 0,8 mm c 13,00 ± 0,5 mm d 100,0 ± 1,0 mm d b Øc 165 to 180° The force for tearing off cover tape is 10 to 130 grams in arrow direction feeding direction Freigabe erteilt / general release: .................................................................................. Datum / date ............................................... Geprüft / checked Kunde / customer .................................................................................. Unterschrift / signature Würth Elektronik ................................................. Kontrolliert / approved ALa Version 1 12-09-10 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