150 mA LED driver in SOT457

LED driver consisting of resistor-equipped NPN transistor with two diodes on one chip in an

SOT457 (SC-74; TSOP6) plastic package.

Table 1. Product overview
Type number Package
Nexperia JEITA



SC-74; TSOP6


Features and benefits

  • Stabilized output current of 10 mA without external resistor

  • Stabilized output current adjustable up to 150 mA when an external resistor is used

  • High current accuracy at supply voltage variation

  • Low voltage overhead of 1.4 V

  • Reduces component count and board space

  • High power dissipation of 750 mW

  • Supply voltage up to 40 V

  • Digital PWM input up to 10 kHz frequency for NCR421U

  • AEC-Q101 qualified


  • Constant LED driver

  • Generic constant current source

  • Automotive applications (for example: interior lighting, dash board, instrumentation, number plate light)

  • Increase stabilized output current by paralleling drivers


型号 Package version Package name Size (mm) VSUP [max] (V) Limiting IO with external resistor [max] (mA) IO [max] (mA) Ptot [max] (mW) Polarity Automotive qualified
NCR421U SOT457 TSOP6 2.9 x 1.5 x 1 40 150 11 750 NPN Y


型号 可订购的器件编号,(订购码(12NC)) 状态 标示 封装 外形图 回流焊/波峰焊 包装
Active L7 SOT457


型号 可订购的器件编号 化学成分 RoHS RHF指示符
NCR421U NCR421UX NCR421U rohs rhf rhf

文档 (15)

文件名称 标题 类型 日期
NCR420U_NCR421U 150 mA LED driver in SOT457 Data sheet 2019-02-04
Nexperia_document_guide_MiniLogic_PicoGate_201901 PicoGate leaded logic portfolio guide Brochure 2019-01-07
SOT457 3D model for products with SOT457 package Design support 2022-11-04
Nexperia_document_factsheet_LED_Driver_2020 Constant current LED Drivers Leaflet 2020-08-18
Nexperia_document_factsheet_LED_Driver_2020_CHN LED Driver Factsheet CHN Leaflet 2020-08-20
Nexperia_package_poster Nexperia package poster Leaflet 2020-05-15
TSOP6_SOT457_mk plastic, surface-mounted package (TSOP6); 6 leads; 0.95 mm pitch; 2.9 mm x 1.5 mm x 1 mm body Marcom graphics 2017-01-28
SOT457 plastic, surface-mounted package (SC-74; TSOP6); 6 leads Package information 2023-03-03
SOT457_115 TSOP6; Reel pack for SMD, 7"; Q2/T3 product orientation Packing information 2020-06-12
NCR421U_Nexperia_Product_Quality NCR421U Nexperia Product Quality Quality document 2019-05-20
NCR421U_Nexperia_Product_Reliability NCR421U Nexperia Product Reliability Quality document 2023-04-04
REFLOW_BG-BD-1 Reflow soldering profile Reflow soldering 2021-04-06
NCR421U NCR421U SPICE model SPICE model 2024-04-05
MAR_SOT457 MAR_SOT457 Topmark Top marking 2013-06-03
WAVE_BG-BD-1 Wave soldering profile Wave soldering 2021-09-08


如果您需要设计/技术支持,请告知我们并填写 应答表 我们会尽快回复您。


文件名称 标题 类型 日期
NCR421U NCR421U SPICE model SPICE model 2024-04-05
SOT457 3D model for products with SOT457 package Design support 2022-11-04


型号 Orderable part number Ordering code (12NC) 状态 包装 Packing Quantity 在线购买
NCR421U NCR421UX 934070297115 Active SOT457_115 3,000 订单产品


安世半导体客户可通过我们的销售机构或直接通过在线样品商店订购样品: https://extranet.nexperia.com.



How does it work?

The interactive datasheets are based on the Nexperia MOSFET precision electrothermal models. With our interactive datasheets you can simply specify your own conditions interactively. Start by changing the values of the conditions. You can do this by using the sliders in the condition fields. By dragging the sliders you will see how the MOSFET will perform at the new conditions set.


型号 可订购的器件编号 订购代码(12NC) 封装 从经销商处购买
NCR421U NCR421UX 934070297115 SOT457 订单产品