Bipolar transistors

Diodes

ESD protection, TVS, filtering and signal conditioning

MOSFETs

SiC MOSFETs

GaN FETs

IGBTs

Analog & Logic ICs

Automotive qualified products (AEC-Q100/Q101)

Constant current source

Integrated solutions to save board space

Incorporating a resistor-equipped PNP transistor with two diodes on one chip, our dedicated constant current source device is housed in a SOT353 package. Reducing board space and component count, it provides stabilized output current of between 15 µA and 50 mA. AEC-Q101 qualified, the device is ideal in automotive and generic applications, as well as in active bias control for audio amplifiers.

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Constant current source
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Products

Type number Description Status Quick access
NCR321U 250 mA LED driver in SOT457 Production
NCR420U 150 mA LED driver in SOT457 Production
NCR420Z 150 mA LED driver in SOT223 Production
NCR321Z 250 mA LED driver in SOT223 Production
NCR421PAS 150 mA LED driver in DFN2020D-6 Production
NCR421U 150 mA LED driver in SOT457 Production
NCR320PAS 250 mA LED driver in DFN2020D-6 Production
NCR320U 250 mA LED driver in SOT457 Production
NCR420PAS 150 mA LED driver in DFN2020D-6 Production
NCR320Z 250 mA LED driver in SOT223 Production
NCR401U 10 mA LED driver in SOT457 Production
NCR401T 10 mA LED driver in SOT23 Production
NCR321PAS 250 mA LED driver in DFN2020D-6 Production
NCR421Z 150 mA LED driver in SOT223 Production
NCR405U 50 mA LED driver in SOT457 Production
NCR402T 20 mA LED driver in SOT23 Production
NCR402U 20 mA LED driver in SOT457 Production
PSSI2021SAY Constant current source in SOT353 package Production
Visit our documentation center for all documentation

Leaflet (2)

File name Title Type Date
Nexperia_document_factsheet_LED_Driver_2020_CHN.pdf LED Driver Factsheet CHN Leaflet 2020-08-20
Nexperia_document_factsheet_LED_Driver_2020.pdf Constant current LED Drivers Leaflet 2020-08-18

Marcom graphics (1)

File name Title Type Date
SOT457_mk.png plastic, surface-mounted package (SC-74) Marcom graphics 2018-11-26

Selection guide (1)

File name Title Type Date
Nexperia_Selection_guide_2023.pdf Nexperia Selection Guide 2023 Selection guide 2023-05-10

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Cross reference