KSP44 DATASHEET PDF

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By using our site, you acknowledge that you have read and understand our Cookie Policy , Privacy Policy , and our Terms of Service. Electrical Engineering Stack Exchange is a question and answer site for electronics and electrical engineering professionals, students, and enthusiasts. It only takes a minute to sign up. I have some problems to understand the datasheet of the transistor KSP44 and transistor in general.

I need to control a LED strip. I want to switch it up through a transistor NPN. Where I have a doubted is about the Electrical Characteristics table of the datasheet. The maximum current in a saturated state of the transistor is 50mA. So could you tell me? Looking at the datasheet, we can see a potential difference of 0. The column labelled "Test Conditions" isn't useful for you. It still has a maximum rating of mA but there's another problem. I suspect that you want to pretty-much saturate the transistor so to drive mA through the collector you will need at least 15 mA at the base by implication and I'm unsure if an Arduino pin is going to like doing this for sustained periods.

Sign up to join this community. The best answers are voted up and rise to the top. Home Questions Tags Users Unanswered. Asked 1 year, 10 months ago. Active 1 month ago. Viewed times. I have looked for a transistor, and I have found the KSP Thank you much. TeilZeitGott 9 9 bronze badges. FrancNovation FrancNovation 2 2 silver badges 11 11 bronze badges. The KSP44 is not a good part to use in this application. Active Oldest Votes. How have you calculated the of hfe at 70x for mA sinked?

It is great if you can explain me. Andy aka Andy aka k 15 15 gold badges silver badges bronze badges. If the circuit relies on the transistor saturating, the hFE of the device is going to be about However, you may have sufficient voltage in your circuit to be able to drive the LEDs sufficiently without having too much transistor saturation - this then requires less base current but, if the transistor is then dropping say 3 volts when on, the power dissipated by it will be mW - can you live with this power loss?

Maybe show your intended schematic. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Podcast JavaScript is ready to get its own place. Featured on Meta. What posts should be escalated to staff using [status-review], and how do I…. We're switching to CommonMark. Related 1. Hot Network Questions. Question feed.

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