Spezifikation für Freigabe / specification for release Kunde / customer : Artikelnummer / part number : 744877100 LF Bezeichnung : DOPPELDROSSEL WE-DD RoHS compliant description : POWER-CHOKE WE-DD DATUM / DATE : 2005-05-23 A Mechanische Abmessungen / dimensions: Typ M D A 7,3 ± 0,4 mm A B C B 4,8 max. mm 2 3 C 1,0 ± 0,1 mm D 2,7 ± 0,1 mm E 4,0 ± 0,2 mm F mm A E 1 2 L1 Start Finish 4 3 L2 1 4 @@FRM 1@@ B Elektrische Eigenschaften / electrical properties: C Lötpad / soldering spec.: Testbedingungen / Eigenschaften / properties Wert / value Einheit / unit tol. [ mm ] test conditions 0,8 Iinndduuckttaivnitcäet ((jeea Wchic wkldgg.). )/ 1 kHz / 0,25V L1,L2 10,0 µH ±20% DDCC--Wresidisetrasntacned ( e(jaec Wh wicdklgg).) / RDC1,2 0,110 Ω typ. 2,2 DDCC--Wresidisetrasntacned ( e(jaec Wh wicdklgg).) / RDC1,2 0,120 Ω max. 3,1 Nraetendn sCtruormre n(jte ( eWaicchk lgw.d)/g.) ∆T = 40 K IN1,IN2 1,10 A max. 2,2 Ssaättutirgautinogns csutrroremn (t je(e Wacihck wlgd.)g ./) ∆L/L = -10% Isat 2,80 A typ. Eigenres.-Frequenz / SRF 27 MHz typ. 1,0 self-res.-fequency Nraetendn svpoaltnangueng / UDC 80 V max. D Prüfgeräte / test equipment: E Testbedingungen / test conditions: HP 4274 A für/for L und/and Q Luftfeuchtigkeit / humidity: 33% HP 34401 A für/for I und/and R Umgebungstemperatur / temperature: +20°C DC DC F Werkstoffe & Zulassungen / material & approvals: G Eigenschaften / general specifications: Basismaterial / base material: Ferrit/ ferrite Betriebstemperatur / operating temperature: -40°C - + 125°C Draht / wire: 2 SFBW; 155°C Umgebungstemp. / ambient temperature: -40°C - + 85°C It is recommended that the temperature of the part does not exceed 125°C under worst case operating conditions. Kunde / customer SST Version 8 05-05-23 Freigabe erteilt / general release: SST Version 7 05-03-29 MST Version 6 04-10-11 .................................................................................. .................................................................................. SST Version 5 04-09-15 Datum / date Unterschrift / signature MST Version 4 04-04-27 Würth Elektronik SST Version 3 04-03-12 AG Version 2 03-06-11 ............................................... .................................................. AG Version 1 02-10-30 Geprüft / checked 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 1 VON 3

Spezifikation für Freigabe / specification for release Kunde / customer : Artikelnummer / part number : 744877100 LF Bezeichnung : DOPPELDROSSEL WE-DD RoHS compliant description : POWER-CHOKE WE-DD DATUM / DATE : 2005-05-23 H Induktivitätskurve / Inductance curve: Induktivität vs Strom (typ.) / Inductance vs Current (typ.) 12,00 10,00 8,00 H) µ 6,00 L ( 4,00 2,00 0,00 0,0 0,5 1,0 1,5 2,0 2,5 3,0 3,5 4,0 4,5 5,0 Current (A) Kunde / customer SST Version 8 05-05-23 Freigabe erteilt / general release: SST Version 7 05-03-29 MST Version 6 04-10-11 .................................................................................. .................................................................................. SST Version 5 04-09-15 Datum / date Unterschrift / signature MST Version 4 04-04-27 Würth Elektronik SST Version 3 04-03-12 AG Version 2 03-06-11 ............................................... .................................................. AG Version 1 02-10-30 Geprüft / checked 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 : 744877100 LF Bezeichnung : DOPPELDROSSEL WE-DD RoHS compliant description : POWER-CHOKE WE-DD DATUM / DATE : 2005-05-23 I Rollenspezifikation / tape and reel specification: Gurtspezifikation / Tape specification: A 10,0± 0,1 mm B 16,0± 0,2 mm øC D E C 1,50+ 0,1 mm - 0,0 D 4,00± 0,1 mm E 2,00± 0,1 mm B F 10,0± 0,1 mm G 5,00± 0,1 mm A F G Rollenspezifikation / Reel specification: a 330,0± 2,0 mm a b d b 21,00± 0,8 mm c 13,00± 0,5 mm d 100,0± 1,0 mm Ø c 150° The force for tearing off cover tape is 20 to 70 grams in arrow direction feeding direction Kunde / customer SST Version 8 05-05-23 Freigabe erteilt / general release: SST Version 7 05-03-29 MST Version 6 04-10-11 .................................................................................. .................................................................................. SST Version 5 04-09-15 Datum / date Unterschrift / signature MST Version 4 04-04-27 Würth Elektronik SST Version 3 04-03-12 AG Version 2 03-06-11 ............................................... .................................................. AG Version 1 02-10-30 Geprüft / checked Kontrolliert / approved 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