I use these for my joule thief project that i found on youtube while searching how to save energy. The product status of devices described in this document may have changed since this document was published and may differ in case of multiple devices. Npn switching transistor pmst3904 limiting values in accordance with the absolute maximum rating system iec 604. These will not dissipate 1500 watts, but these are only 1.
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. Description small signal characteristic transistors frequency output capacitance input capacitance small signal current gain input impedance output admittance voltage feedback ratio noise figure switching time delay time rise time storage time fall time ts tf vcc 3v, vbe 1ma vcc 2n3904 datasheet, 2n3904 pdf, 2n3904 data sheet, 2n3904 manual, 2n3904 pdf, 2n3904, datenblatt, electronics 2n3904, alldatasheet, free, datasheet, datasheets, data. Due to the large amplitude of rf voltage is sufficient antenna length of about 510 cm. The product status of the devices described in this data sheet may have changed since this data sheet was published. As you can see, the volt drop incurred collector to emitter is about 0.
Auk corp catalog first page, datasheet, datasheet search, data sheet, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, semiconductors. Hilitchi 675piece 15 values 2n2222s9018 npn pnp power. Im trying to update as much information as possible, even if i can not find perfect information. Symbol parameter conditions value unit rthja thermal resistance from junction to ambient note 1 250 kw symbol parameter conditions min. Continental device india limited an isots 16949, iso 9001 and iso 14001 certified company pnp silicon planar switching transistors 2n2904 2n2905 to39 metal can package general purpose transistor absolute maximum ratings description symbol value unit vceo collector emitter voltage 40 v vcbo collector base voltage 60 v vebo emitter base voltage. Really nice to have a kit you can pull down from a shelf knowing youll find what you need. Applications datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. Emitter amplifier applications as complementary type, the npn transistor 2n3904 is 2. This transistor is also available in the sot23 case. Base recommended this transistor is also available in the sot23 case with. Philips, alldatasheet, datasheet, datasheet search site for electronic components and. The 2n3904 npn and 2n3906 pnp are complementary transistor pairs.
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. Pnp npn transistors kit, three pins silicon power transistor assorted assortment box set range 2n3904 mps2907, 10value,pack of 200, by ltvystore. Ordering information collector 3 2 base 1 emitter 2n 390x yww x 3 or 4 y year ww work week pb. These pins are used in the circuit for turning on or off the transistor.
Onsemi, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Please consult the most recently issued document before initiating or completing a design. These transistors are available in package styles to92, sot23, sot223 with different prefixes. The factory should be consulted on applications involving pulsed or low duty cycle operations. Npn switching transistor, 2n3904 datasheet, 2n3904 circuit, 2n3904 data sheet. Npn silicon epitaxial planar transistor forswitching and amplifier applications as complementary type, the pnp transistor2n3906 is recommended on special request, this transistor is alsomanufactured in the pin configurationto18. The transistor npn important 2n3904 specifications from the. Use of a load resistor r1 above is also important so there is not too much current being driven through the led and transistor. This 2n2222 npn transistor has three pins emitter, base, and collector. The 2n3904 is a common npn bipolar junction transistor used for generalpurpose lowpower amplifying or switching applications. Directly to the oscillator an antenna is connected. The useful dynamic range extends to 100 ma as a switch and to 100 mhz as an amplifier. On special request, this transistor is also manufactured in the pin configuration.
For example, very weak radio signals in the air can be picked up by a wire antenna and processed by transistor amplifiers until they are strong enough to be. The 2n3904 is an extremely popular npn transistor that is used as a simple electronic switch or amplifier that can handle 200 ma absolute maximum and frequencies as high as 100 mhz when used as an amplifier figure 1. It is designed for low current and power, medium voltage, and can operate at moderately high speeds. On semiconductor 2n3904 series npn bipolar transistors bjt.
Npn general purpose amplifier this device is designed as a general purpose amplifier and switch. The transistor npn a current amplifier makes small currents bigger the 2n3904 transistor. Bipolar transistor pack with 2n3904 2n3906 s8050 2n2907 s8550 2n2222. Introduction a transistor is a small electronic device that can cause changes in a large electrical output signal by small changes in a small input signal. Unfollow 2n3904 npn transistor to stop getting updates on your ebay feed. According to 2n3904 datasheet this transistor is a silicon epitaxial planar npn general purpose amplifier and switch. Bjt transistors assortment kit set of 210 pnp and npn assorted. It consists of a simple oscillator with silicon planar rf pnp transistor. Complete technical details can be found at the bc337 datasheet given at the end of this page. It is a blog created to share various information with you in more complete and detailed contents. Hilitchi 675piece 15 values 2n2222s9018 npn pnp power general purpose transistors assortment kit. General purpose transistorsnpn silicon, 2n3904 datasheet, 2n3904 circuit, 2n3904 data sheet. Absolute maximum ratings t a 25c unless otherwise noted.
It is typically used for lowcurrent, medium voltage, and moderate speed purposes. Ss9015 pnp epitaxial silicon transistor filipeflop. Pricing and availability on millions of electronic components from digikey electronics. The maximum rating for the 2n3904 is 625mw, so no surprise that the transistor gets hot fast. Both types were registered by motorola semiconductor in the mid1960s.
Npn switching transistor 2n3904 data sheet status notes 1. Apr 11, 2009 im having trouble figuring out what resistor i should use on base when wiring up a npn transistor. Discrete semiconductors data sheet book, halfpage m3d186 2n5401 pnp highvoltage transistor 1999 apr 08 product specification supersedes data of 1997 may 22 philips semiconductors product specification pnp highvoltage transistor 2n5401 features pinning low current max. Mcigicm transistor kit, bc337 bc327 2n2222 2n2907 2n3904 2n3906 s8050 s8550 a1015 c1815 assortment, 10 values, 200pcs. The bc337 is an npn transistor commonly used in low power amplifier. On that basis the 2n3904 is suitable for up to about 60mhz whilst the ss9018 will serve at over 200mhz. New product new product new product 2n3904 datasheet catalog. That is, a weak input signal can be amplified made stronger by a transistor. Consider the 2n3904 driven with 10 ma and controlling a 100 ma load. I used insulated 7cm long copper wire 1mm diameter.
The 2n3904 is a common npn bipolar junction transistor used for generalpurpose lowpower. This shopping feature will continue to load items when the enter key is pressed. On semiconductor 2n3904 series npn bipolar transistors bjt are available at mouser electronics. Npn bjt switch circuit bipolar junction transistor 2n3904. The maximum current a 3904 can handle is 100ma, so is it okay too choose a resistor for a 100ma current so anything i hook up will work as long as it takes less. Nxp semiconductors product data sheet npn switching transistor pmst3904 data sheet status notes 1. Its pin configuration diagram is shown here according to datasheet. Here i measure the collectoremitter junction voltage when the transistor is turned on. Fast switching devices exhibiting short turnoff and low saturation voltage characteristics. If you drop a tip41c into the circuit you should still be able to measure a signal at the amplifier output, but it will probably a lot lower because the current gain of the tip41c is a magnitude lower compared to the 2n3904. Please consult the most recently issued data sheet before initiating or completing a design. Free packages are available maximum ratings rating symbol value unit collector. Npn silicon epitaxial planar transistor for switching and amplifier applications. This simple transmitter allows you to broadcast on fm radio band 87.
Compare pricing for nte electronics 2n3904 across 7 distributors and discover alternative parts, cad models, technical specifications, datasheets, and more on octopart. In order to navigate out of this carousel please use your heading shortcut key to navigate to the next or previous heading. Transistor 2n3904 bipolar bjt npn general purpose pack. Npn transistor 2n3904 pinout electronics projects, electronics. On special request, this transistor is also manufactured in the pin configuration to18. This device is designed as a general purpose amplifier and switch. Npn switching transistor 2n3904 thermal characteristics note 1. Bipolar junction transistor bjt switch circuits use a low powercurrent signal to control whether a higher power load is turned on or off. Eprojects 2n3904 general purpose transistor npn to. As complementary type, the pnp transistor 2n3906 is recommended.