If the transistor is a pnp, then the arrow points to the base of the transistor, otherwise it points to the output. K3561 datasheet n ch transistor, vdss 500v toshiba. Here the majority charge carriers are the electrons. Kn3904s npn smd sot23 transistor complementary pnp. K3561 datasheet nch transistor, vdss 500v toshiba, 2sk3561 datasheet, k3561 pdf, k3561 pinout, k3561 equivalent, k3561 data, circuit, k3561 schematic. Pricing and availability on millions of electronic components from digikey electronics. Calculate the base current of a bipolar npn transistor having the bias voltage 10v and the input base resistance of 200k. It is typically used for lowcurrent, medium voltage, and moderate speed purposes. Kec epitaxial planar npn transistor general purpose, switching,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated. Kn3904s datasheet, kn3904s datasheets, kn3904s pdf, kn3904s circuit.
Hence comparing the schematic symbol to the pn junction in figure 4, we see the anode is the ptype semiconductor and the cathode is the ntype semiconductor. The symbol of the transistor has an arrow on the emitter. Kec epitaxial planar npn transistor general purpose, switching,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Youll be notified as soon as this item is back in stock. Transistor 2n3904 bipolar bjt npn general purpose pack. The slope of the loaddeflection curve provided the stiffness. Kn3904s pdf, kn3904s description, kn3904s datasheets. Nov 17, 2016 k3561 datasheet nch transistor, vdss 500v toshiba, 2sk3561 datasheet, k3561 pdf, k3561 pinout, k3561 equivalent, k3561 data, circuit, k3561 schematic.
I,d k,n v,gs v,tn2 im close, from the spec sheet, i can use a v,gs value and a corresponding i,d value, however not sure what. The useful dynamic range extends to 100 ma as a switch and to 100 mhz as an amplifier. Marking of electronic components, smd codes kn, kn, kna. Free packages are available maximum ratings rating symbol value unit collector. Since the 2n3904 is an npn transistor, that means the base needs positive biasing appropriate voltage levels and resistance to turn on the collector emitter junction for proper current flow. This transistor is also available in a throughthehole to92 bulk, and ammopack versions. But we want the transistor in saturation where v cesat is only 0. Buy 2n3904 npn general purpose transistor robomart india.
It is one of the lowestcost general purpose transistors currently available on the market, and compares well with the bc range of npn transistors. Nei transistor npn il terminale collettore va sempre collegato alla tensione positiva di alimentazione vedi fig. Calculate the base current ib to switch a resistive load of 4ma of a bipolar npn transistor which having the current gain. A2222 2n2222a 22212n 2222a 2222 kn a npn 2222 2n2221 2n 2222 amd 2907. Transistor 2n3904 bipolar bjt npn general purpose pack of. Less power would be dissipated and leave more voltage for the load. Characteristicsymbol datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits. Recent listings manufacturer directory get instant insight. Kn datasheet pdf download epitaxial planar npn transistor, kn data sheet. Kn3904s pdf, kn3904s description, kn3904s datasheets, kn3904s. The terminal on the left is called the emitter, the terminal on the right is. Features datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. An3789 clamping of high power rf transistors and rfics in.
If your question requires design or troubleshooting information, please email email protected for a prompt reply. Ive been saving my used batteries in a box for recycle and now im taking it out and use the remaining voltage to light a 10mm led as my night light in my room,livingroom,kitchen,hallways and lights in the bathroom so my kids dont have to turn on the light at night when they do no. Replacement and equivalent transistor for the kn3904s. Kn value of a specific transistor given spec sheet. Npn switching transistor mmbt3904 limiting values in accordance with the absolute maximum rating system iec 604. Kn3904 datasheet, kn3904 pdf, kn3904 data sheet, kn3904 manual, kn3904 pdf, kn3904. The 2n3904 is a common npn bipolar junction transistor used for generalpurpose lowpower amplifying or switching applications.
In many cases, this is acceptable and a single stage amplifier can be built with a voltage gain exceeding 2000. Kn description general purpose transistor package to details, datasheet, quote on part number. The lcp material was selected with two different levels of glass reinforcement, while ppa and polyamide were selected. Diode schematic symbol and actual picture of a common 1n914 diode the black stripe in the picture is the cathode. Semiconductor 2n3904 technical data feature npn silicon epitaxial planar transistor for switching and to92 amplifier applications as complementary type, the pnp transistor 2n3906 is recommended 1. The 2n3904 is a small signal generalpurpose npn transistor. Can i use a 2n3904 transistor in place of a 2n4401 if i. Pdf kn3904 3904 kn3904 transistor 3904 3904 transistor transistor 3904 datasheet. Maintain the package integrity during the assembly and in. You can always remember that the arrow points at the n material. The circuit schematic symbol of a diode is shown in figure 5. Hi, working on a project, i am told to find the k,n value of a specific transistor 2n7000, given the spec. Youll be notified as soon as this item is on special or.
Lm4lm234lm334 3terminal adjustable current sources. The complementary pnp transistor to the kn3904s is the kn3906s. The only npn transistor i currently have is the 2n39. The npn transistor consists of two ntype semiconductor materials and they are separated by a thin layer of ptype semiconductor. Marking of electronic components, smd codes kn, kn. Kn3904 datasheet, kn3904 pdf, kn3904 data sheet, kn3904 manual, kn3904 pdf, kn3904, datenblatt, electronics kn3904, alldatasheet, free, datasheet, datasheets, data. Npn transistor circuit working, characteristics, applications. Clamping of high power rf transistors and rfics in overmolded plastic packages by. Using 2n3904 transistor for a dc motor i am trying to power this random small dc motor i have, small toy sized using a transistor using a 5v line connected to the collector and i am applying a small voltage to the base and out the emitter goes the current to the dc motor, however, this doesnt seem to work. Lead resistance the sense voltage which determines operating current of the. Jan 23, 2015 npn transistor is one of the bipolar junction transistor bjt types.
Characteristicsymbol datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. If the lm4 is used as an active load for a transistor amplifier, input referred noise will be increased by about 12db. Emitter, collector and base in its essence, a transistor consists of two diodes arranged back to back. What you want to study is the on characteristics in any pdf. Mahesh shah, richard rowan, lu li, quan li, eddie mares, and leonard pelletier. It is a gain parameter associated with the transistor operating in the analog or linear range. Here is a link that shows various package sizes for 3904 transistors. This test was used to determine the stiffness at room temperature and at elevated temperature.
The flowing of these electrons from emitter to collector forms the current flow in the. I use these for my joule thief project that i found on youtube while searching how to save energy. Item 3 marking description kn series name 3904 device name device name 8 1998. Get your questions answered from other customers who own this product or have experience with it. Since the 2n3904 is an npn transistor, that means the base needs positive biasing appropriate voltage levels and resistance to turn on the collector emitter junction for. Electrically similar transistors in a to92 package. The 2n3904 is common generalpurpose lowpower npn transistor used amplifying or switching applications. The configuration shown above is called an npn transistor. Tif42c japan transistor tif41c he90h tif32c transistor ebc 3904 3842p sc2625 bd238 ev. Electrical engineering stack exchange is a question and answer site for electronics and electrical engineering professionals, students, and enthusiasts. Kn3904 datasheet, kn3904 pdf, kn3904 data sheet, datasheet, data sheet, pdf, korea electronics kec, general purpose transistor.
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