2N3906 RELAY DRIVER

Your words do not make sense. While transistors have many uses, one of the less known uses by amateurs is the ability for bipolar transistors to turn things on and off. We must also insure that the maximum power dissipation of the transistor is not exceeded. It is good practice to always use a diode when turning on any inductive load. By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of service , privacy policy and cookie policy , and that your continued use of the website is subject to these policies. Licensee agrees that it shall comply fully with all relevant and applicable export laws and regulations of the United States or foreign governments “Export Laws” to ensure that neither the Content, nor any direct product thereof is: Notwithstanding any terms to the contrary in any non-disclosure agreements between the Parties, Licensee shall treat this Agreement and the Content as ON Semiconductor’s “Confidential Information” including:

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I think you have answered your own question. Discussion in ‘ The Projects Forum ‘ started by hcasalMay 14, I have a control signal that vary between 0v and 3,3 Vdc at base, but the transitor not open when the voltage at base reach the 3. May 14, 2. Aseries resistor from the contro signal to the base and the collector to the grounded load. Transistor switches are used for a wide variety of applications.

Quote of the day. For this circuit we will calculate R2 to be 10 times R1 as follows: Show us the circuit you 2n3096 using. This resistor insures that the base of the transistor does not go slightly negative which would cause a very small amount of collector current to flow.

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But when I connect the system raspberry pi along with my designed ckt to adapter came along with raspberry pi the relay do not trigger. Resistor R2 is not essential to this circuit but is generally used for stability and to insure that the transistor switch is completely turned off. Yes, my password is: Although the transistor is in saturation when turned on, about.

May 9, 4 0. You May Also Like: I can see the programming logic all working fine with putty.

Switch using 2N transistor | All About Circuits

Any relaj of this Agreement which is held to be invalid or unenforceable by a court in any jurisdiction shall, as to such jurisdiction, be severed from this Agreement and ineffective to the extent of such invalidity or unenforceability without invalidating the remaining portions hereof or affecting the validity or enforceability of such provision in any other jurisdiction. However, when using a transistor to turn on a relay coil, it is very important to use a 1N diode reversed biased in parallel with the relay coil as in Figure relat.

There is no problem when I connect raspberry pi with laptop usb port as power. You must log in or register to reply here.

Switch using 2N 3906 transistor

Previously Viewed Products Select Product For example, if we have a load that requires MA of current and a transistor with a minimum HFE ofwe can then calculate the minimum base current required to saturate the transistor as follows: No, create an account now.

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Electro Tech is an online community with overmembers who enjoy talking about and building electronic circuits, projects and gadgets. Request eelay this document already exists and is waiting for approval. In this article, we will review the basic principles for transistor switches using common bipolar transistors.

May 14, We must also select our supply voltage, so for this example we will use 12 volts. Sign up relat Facebook. May 14, 5 0.

Would somebody help me indicating me what must be the configuration and the correct resistors values? Licensee agrees that it shall not issue any press releases containing, nor advertise, reference, reproduce, rely or display, ON Semiconductor’s name or any ON Relaay trademark without ON Semiconductor’s express prior written consent in each instance; provided, however, that Licensee may indicate that the Licensee Product is interoperable with ON Semiconductor Products in product documentation and collateral material for the Licensee Product.

Your words do not make sense. The most commonly used transistor switch is the PNP variety shown in Figure 1.