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2N3904 Low Power NPN Transistor TO92 Case
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Quoting product code: QR40T
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Will a base voltage of (+ve) 0.4v trigger the transistor Intend a low current (small model motor) 3 v to flow between collector and emitter (-ve leg)
Unfortunately we are unable to comment on any form of circuit or project design or suitability of a component for such design. We can however provide the technical datasheet for the component which includes all operation specifications and characteristics, this should allow you to determine if this transistor is suitable for your intended use. https://maplindownloads.s3-eu-west-1.amazonaws.com/qr40-5962.pdf
Date published: 2017-09-22
will the 2N3904 NPN TO92 be able to be used place of the 2N4401 NPN TO92
Sorry but we are unable to comment on any kind of project or circuit design or suitability, you would need to research this info for yourself.
Date published: 2016-09-15
This says low power but Is there a minimum power input?
Yes there is, approx 0.125V
Date published: 2016-06-28