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
NCR401T 10 mA LED driver in SOT23 Production
NCR401U 10 mA LED driver in SOT457 Production
NCR402T 20 mA LED driver in SOT23 Production
NCR402U 20 mA LED driver in SOT457 Production
NCR405U 50 mA LED driver in SOT457 Production
NCR420U 150 mA LED driver in SOT457 Production
NCR421U 150 mA LED driver in SOT457 Production
PSSI2021SAY Constant current source in SOT353 package Production

Marcom graphics (1)

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

Selection guide (1)

File name Title Type Date
nexperia_selection_guide_2019_201901 Selection guide 2019. Discretes, Logic and MOSFETs Selection guide 2018-12-12

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