3mm Green LED
₹1.00
Light Emitting Diodes (LED) are the blinky things in your circuit. Its a must for indicating power in your project or as warning indicator or a status indicator. We use LED’s for things like Power indication, relay status, to check if RF data has been received or not, warning status etc. It is a perfect low cost solution for indication and debugging purpose.
999 in stock
999 in stock
12 reviews for 3mm Green LED
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BC557 is a widely used PNP bipolar junction transistor manufactured in small TO-92 package. It is a general purpose PNP transistor that can be used as a switch or amplifier in electronic circuits. Its HFE ratings are 125 to 800 which makes it an ideal transistor to use as a small signal amplifier in electronic circuits for example for audio signal amplification or other, the HFE ratings of BC557 can be determined by the last letter after its number for example BC557A HFE ratings are 110-220, BC557B HFE ratings are 200-450 and BC557C HFE ratings are 420-800. The max collector dissipation is 500 milliwatt which is also an another good point to use it in amplification stages. Moreover it will also perform well when used it as a switch for load under 100mA. The transistor has also good collector to emitter (VCE) value that is -45V, therefore you can easily use it in circuits using 40 to 45 volts DC.
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