Register once, drag and drop ECAD models into your CAD tool and speed up your design.

Click here for more information

NCR405U ECAD models PCB Symbol, Footprint & ECAD Model

50 mA LED driver in SOT457

LED driver consisting of resistor‑equipped PNP transistor with two diodes on one chip in an SOT457 (SC-74) plastic package.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
NCR405U NCR405UX 934067777115 SOT457 Order product


  • Stabilized output current of 50mA
  • High current accuracy at supply voltage variation
  • Low voltage overhead of 1.4V
  • Qualified according to AEC‑Q101
  • Reduces component count and board space
  • High power dissipation of 750mW
  • Stabilized output current adjustable up to 65mA when an external resistor is used

Target applications

  • Constant current LED driver
  • Generic constant current source
  • Automotive applications


Type numberPackage versionPackage nameSize (mm)
NCR405USOT457SC-74; TSOP62.9 x 1.5 x 1


Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackageOutline versionReflow-/Wave solderingPacking
( 9340 677 77115 )
SC-74; TSOP6
SOT457Reel 7" Q1/T1

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFEFRIFRMTBF (hour)MSLMSL leadfree
Quality and reliability disclaimer

Documentation (8)

File nameTitleTypeDate
NCR405U50 mA LED driver in SOT457Data sheet2013-12-10
Nexperia_document_factsheet_LED_Driver_2019Constant current LED DriversLeaflet2019-09-02
NCR405U_Nexperia_Product_QualityNCR405U Nexperia Product QualityQuality document2019-05-20
NCR405U_Nexperia_Product_ReliabilityNCR405U Nexperia Product ReliabilityQuality document2019-04-29
NCR405UNCR405U SPICE modelSPICE model2019-10-16
SOT457_115TSOP6; Tape reel SMD; standard product orientation 12NC ending 115Packing2012-11-30
SOT457plastic, surface-mounted package (SC-74; TSOP6); 6 leadsOutline drawing2018-11-28


If you are in need of design/technical support, let us know and fill in the answer form, we'll get back to you shortly.


File nameTitleTypeDate
NCR405UNCR405U SPICE modelSPICE model2019-10-16

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingBuy online
NCR405UNCR405UX934067777115Reel 7" Q1/T1Order product


As a Nexperia customer you can order samples via our sales organization or directly via our Online Sample Store:

Sample orders normally take 2-4 days for delivery.

If you do not have a direct account with Nexperia our network of global and regional distributors is available and equipped to support you with Nexperia samples.