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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

Features and benefits

  • 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


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


Type numberPackage versionPackage nameSize (mm)VSUP [max] (V)Limiting IO with external resistor [max] (mA)IO [max] (mA)Ptot [max] (mW)Polarity
NCR405USOT457SC-74; TSOP62.9 x 1.5 x 1406558650PNP


Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackagePackage informationReflow-/Wave solderingPacking
( 9340 677 77115 )
SC-74; TSOP6
Reel 7” Q1/T1 or Q2/T3

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFMSLMSL leadfree
Quality and reliability disclaimer

Documentation (7)

File nameTitleTypeDate
NCR405U50 mA LED driver in SOT457Data sheet2013-12-10
Nexperia_document_factsheet_LED_Driver_2020Constant current LED DriversLeaflet2020-08-18
Nexperia_document_factsheet_LED_Driver_2020_CHNLED Driver Factsheet CHNLeaflet2020-08-20
NCR405U_Nexperia_Product_QualityNCR405U Nexperia Product QualityQuality document2019-05-20
NCR405U_Nexperia_Product_ReliabilityNCR405U Nexperia Product ReliabilityQuality document2021-03-19
NCR405UNCR405U SPICE modelSPICE model2020-11-11
WAVE_BG-BD-1Wave soldering profileWave soldering2021-09-08


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File nameTitleTypeDate
NCR405UNCR405U SPICE modelSPICE model2020-11-11

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingBuy online
NCR405UNCR405UX934067777115Reel 7” Q1/T1 or Q2/T3Order product


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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.