I was thinking I could only buy smd and use some sort of DIP mounting pcb like I would do for 8pin soic packages for prototyping (ex: 5PCS SOP8 SO8 SOIC8 SOT to DIP8 adapter PCB convertor(gold-plated) | eBay)īut I cant find any of those for 3 pin transistor. Does that mean that I need at least 4.2V to turn the switch On (if VCC is 4.5), otherwise it will be off? There also is a Vgs = +/- 12V, does this one mean the max voltage that can come across gate-source? Just to make sure I understand how to pick the right one, I'm looking at Vgs for IRLML2502 ( ) and it says: max Vgs at 4.5V is 4.2. N025P (which actually gives results for IRLML2502 on ebay) Interestingly, a SI2302 a N025P and a IRLML2502 are equivalent. The 2N2222 transistor can handle a maximum collector current of 800mA, and a maximum collector-emitter voltage of 40V. I have seen a few mosfet circuits placing the load between the fet and the ground. The 2N2222 is a very common jellybean NPN transistor, similar to the BC548, which you use when pretty much any NPN that can handle 100mA is called for (in. High side, however that's what I tend to do naturally and I am not really familiar with the ups and downs of each setup. I can always replace a bag or use a paper clip to keep it closed.How are you switching the power to the servo, high side or low side switching? But I think there is less to go wrong with the bags, even if the zippers do not work. Transistor This 2N3904 transistor is electrically similar to a. So I just wanted to know can the BC148 be used as a general substitute for 2N2222 or is it just the case in this one Here's the schematic. It says it can be substituted by a BC148. one of them uses it to control electrical appliances. Mishaps also happen with the bags…mostly the old ones fall apart. 2N222 HONG KO WO 20142 A BJT has three terminals. ashfaqueahmadbari said: I have seen many circuits using the 2N2222 transistor (correct me if it isn't one). Also the drawers have a tendency to jam when an area is too full or if some contents otherwise protrude too high. 2N2222 Specifications: Transistor Polarity: NPN Collector Emitter Voltage V(br)ceo: 30V Transition Frequency Typ ft: - DC Collector Current: 800mA. Also I think that the drawers take up more space. Or if the parts are loose in sections, it is easy to mix up some components by fumbling just a few. But even if you keep the parts on small pieces of tape, I think there is more opportunity to inadvertently dump parts all over the floor. SS9013 Transistor Explained / Description: SS9013 is a BJT NPN transistor manufactured in TO-92 package. In my opinion, the drawer at its best might be faster to find what you want than my method of bags in bags. Replacement and Equivalent: Alternative transistors for SS9013 are S9013, S8050, 2N2222, BC337, BC338, output pins of some equivalents are different please see pinout details of the transistor you are willing to replace. The main function of this pin is to provide transistor current toward the o/p load. Pin1 (Collector): This is the first pin of the transistor & it is an o/p pin. This transistor includes three pins & its each pin functionality is discussed below. The parts scattered all over the floor mostly to be swept up into the garbage bin. The pin configuration of the 2N2222A transistor is shown below. You can imagine what happened when someone fumbled a component drawer. Instead of putting cut pieces of tape in the drawers, many drawer portions had 100’s (maybe 1000?) 0603 or 0805 chips kept loose in the drawer. The components are mostly on cut tape in bags.Ībout 10 years ago I was working in a lab where many components were kept in drawers. The large bags are either hanging from the attic rafters or are in cardboard boxes on shelves. I generally have medium sized bags in large bags, and sometimes small bags in medium bags in large bags.
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