Pricing and availability on millions of electronic components from digikey electronics. Smallsignal transistors replacement list discontinued type reason for deletion remarks 2n16 discontinued 2n1711 discontinued 2n1893 discontinued 2n2219 discontinued 2n2219a discontinued 2n2222a discontinued 2n2369a discontinued 2n2484 discontinued 2n2905 discontinued 2n2905a discontinued 2n2906 discontinued 2n2906a discontinued 2n2907a. There are books galore on this but surely someone knows of a site that has them listed and searchable my query is a simple one i have no 2n5551 transistors on hand and i want to see if one in my box will do the job. A page which shows a specifications chart for various signal transistors. Unfollow 2n3904 npn transistor to stop getting updates on your ebay feed. This will be used to drive power mosfets in a switch mode power supply. Bc547 npn transistor complementary pnp, replacement. Transistor 2n3904 bipolar bjt npn general purpose pack. Characteristic symbol rating unit collectorbase voltage vcbo 60 v collectoremitter voltage vceo 50 v emitterbase voltage vebo 5 v pin.
Replacement and equivalent transistor for the bc547. Product tags other people marked this product with these tags. In this post we learn the main specifications and pinout details of the npn transistor 2n3904. Datasheet contains the design specifications for product development. Free packages are available maximum ratings rating symbol value unit collector. Here is an image showing the pin diagram of the this transistor. Transistor 2n3904 pinout and specifications homemade.
The 2n3904 is a npn silicon rf transistor for audio amplifier and switching. When looking at the flat side with the leads pointed downward, the three leads emerging from the transistor. General purpose transistor pnp silicon features these are pbfree devices maximum ratings rating symbol value unit collectoremitter voltage vceo60 vdc collectorbase voltagevcbo60 vdc emitterbase voltage vebo5. A 2n3904 transistor is a bipolar negativepositivenegative npn transistor, which means it is usually applicable to negative ground circuitry. Pn2907a general purpose transistor adafruit industries. It may be used for audio signals as well as for mediumspeed switching applications. It is designed for low current and power, medium voltage, and can operate at moderately high speeds. Npn general purpose amplifier this device is designed as a general purpose amplifier and switch.
Bc547 is a general purpose bjt npn transistor mostly used in electronics hobbyists and educational electronics projects. The 2n3904 is a common npn bipolar junction transistor used for general purpose lowpower. This small transistor is the counterpart of the 2n3906 transistor, which is a positivenegativepositive pnp transistor. Uxcell a11102000ux0369 2n3904 through hole three terminal. 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. Buy your 2n3904 from an authorized nte electronics distributor.
It can drive leds, ntc temperature sensor circuits, low power motors, and miniature relays. The bc547 transistor might have a current gain anywhere between 110 and 800. That line thats worse than chinese means that its intended to be used with its pnp complimentary transistor the 2n9012 on the output stage hence the class b push pull bit of a power amplifier. The 2n3904 is a common npn bipolar junction transistor used for generalpurpose lowpower. It is typically used for lowcurrent, medium voltage, and moderate speed purposes. Texas instruments transistor and diode databook 1st ed 1973 datasheets for diodes from 1n251 on and transistors from 2n117 on acrobat 7 pdf 34. Free devices maximum ratings rating symbol value unit collector. Buy transistor 2n3906 pnp general purpose tapereelammo. I do not have any 2n4401 right now but i do have 2n3904. The transistor 2n3904 comes under the category of npn small signal, low power, general purpose transistor, mainly applicable for switching and for signal amplification.
Applications datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. Antique radio forums view topic 2n3904 2n3906 transistors. Pmst6428 bc847bw pzta42 stzta42 pzta92 stzta92 smbta42 mmbta42 smbta92 mmbta92 industry standard st nearest st replacement industry standard st nearest st replacement 1 different pin out 2 similar package 3 medium power transistor for selected stmicroelectronics sales offices fax. Bc182, bc182b amplifier transistors npn silicon features these are pb. In case youre curious about which to use, or which one is better or superior than the other, in this article, we compare and contrast the 2 transistors. The 2n3904 is common generalpurpose lowpower npn transistor used amplifying or switching applications. When looking at the flat side with the leads pointed downward, the three leads emerging from the transistor are, from left to right, the emitter, base, and collector leads.
Transistors and transistor mounting kits are instock at parts express. First, find the datasheet of the device you want to replace. The 2n3904 is possibly the smallest transistor you might bother with for switching circuits. Motorola smallsignal transistors, fets and diodes device data. Bc547 transistor pinout, equivalent, uses, features. But for european transistors like bc546 the order will be as emitter, base and collector. What i need is a replacement for a 2n3904 and 2n3906 in the same or similar package that can handle a little more current. Small signal transistors industry standard st nearest st. Williams sys3 driver board flipper relay transistor showing 110 of 10 messages. Is there anything available to see if a particular transistor can be replaced with a different one. The datasheet is printed for reference information only. The 2n2222 bjt belongs to a sort of npn bipolar junction transistor, used for general purpose lowpower amplifying or switching applications. The 2n3904 is a common npn bipolar junction transistor used for generalpurpose lowpower amplifying or switching applications.
Buy 2n3904 fairchildcentral, learn more about 2n3904 trans gp bjt npn 40v 0. How good a replacement is a rather complex question, mostly revolving around what you are looking to do with it. Transistor 2n3904 bipolar bjt npn general purpose pack of 50 by fairchild. The major functional area of 2n2222 is enclosed in to92 package.
The c945 is a japanese npn transistor and hence the pin out will be in emitter, collector, base order. Quality made reliable transistors from parts express brand. Bc182, bc182b amplifier transistors on semiconductor. The gain of the bc547a will be in the range from 110 to 220, bc547b ranges from 200 to 450, bc547c ranges from 420 to 800. An illustration of the pin out of a standard to92 package for digikey part number 2n3904fsnd. Buy transistor 2n3904 npn general purpose bulk jameco will remove tariff surcharges for online orders on instock items learn more. Recent listings manufacturer directory get instant insight into any electronic component. 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. Due to the low cost and small size it is the most commonly used transistor.
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