Kingbright LP3C: available from 8 distributors. Explore Sensors on Octopart: the fastest source for datasheets, pricing, specs and availability. L53P3C Kingbright Phototransistors PHOTOTRANSISTOR WATER CLEAR datasheet, inventory, & pricing. LP3C from Kingbright Corporation. Find the PDF Datasheet, Specifications and Distributor Information.

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This leads us to our criteria — the current through a forward-biased LED is a constant; the current through a forward-biased PT varies with light.

(PDF) L53P3C Datasheet download

The devices you present here do not appear to have that characteristic. It was a photo-transistor. Skip to navigation Skip to main content Skip to primary sidebar Skip to secondary sidebar Skip to footer Low voltage. This site uses cookies.

Datasheet Photo Transistor L53P3C – [PDF Document]

Mostly harmless… Exploring electronics, programming and photography. Email required Address never made public. This can be useful for driving a darlington or as input to an opamp or inamp.


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The LED is blue, the phototransistor is clear. IR LED and a photo-transistor – which is which? Sean Straw May 12, at So a LED will light and a phototransistor will not. Anyway, I purchased them. Notify me of new comments via email.

Thanks for writing this up! Dimitar Kovachev January 6, at Kenneth Olsen January 4, at This is l-53p33c useful way to verify that an IR remote control is in fact transmitting. To find out more, including how to control cookies, see here: Leave a comment Comments You are commenting using your WordPress.

A LED or a phototransistor?! To drive the LED, it has to be above 1. The final step was to take a digital multi-meter DMMset it to current measurement, 20mA range and complete the datashret. All was fine, until the salesman at the local shop told me:.


L53P3C Datasheet

You are commenting using your Twitter account. You have 2 LEDs in your picture. Under certain conditions, they will conduct electricity.

Re-doing the math with these particular values dqtasheet the expected current for the LED: How would you go around this ratasheet but with a phototransistor and a photodiode? Probably someone has misplaced them, when restocking. Note that a reverse biased LED can conduct when light of a suitable wavelength is presented generally centered around the wavelength which that LED emits when normally driven. Fill in your details below or click an icon to log in: