Feb 06, 2014 the circuit is based on a npn transistor such as a 2n5088 for high gain booster or a 2n3904 low gain. This will be used to drive power mosfets in a switch mode power supply. The type was registered by motorola semiconductor in the mid1960s, together with. The 2n3904 is a small signal generalpurpose npn transistor. Its electrical properties compare much more favourably with the bc547, where vcbo 50 v, vces 50 v, vceo 45 v, vebo 6 v. When figuring out dc current gain, the beta value is part of the formula. The 2n3904 is a common npn bipolar junction transistor used for general purpose lowpower amplifying or switching applications. Onsemi general purpose transistorsnpn silicon,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Whats the difference between pn and 2n transistors. Fairchild npn general purpose amplifier,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Npn general purpose amplifiercontinuedtypical characteristics continuedcollectorcutoff currentvs ambient temperature255075100125 datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. Fairchild, alldatasheet, datasheet, datasheet search site for electronic. Very simple amplifier circuit using transistor 2n3904.
After comparing the spec sheets online and doing a little bit of googling, i found that pnp transistor 2n3906s characteristics and specs seem to fit pretty well with bc559 and bc548 fits fairly well with 2n3904. The factory should be consulted on applications involving pulsed or low duty cycle operations. Part number marking package packing method pack quantity 2n3904bu 2n3904 to92 3l bulk 0 2n3904ta 2n3904 to92 3l ammo 2000 2n3904tar 2n3904 to92 3l ammo 2000. Electrical characteristics ta25c unless otherwise noted. However, with the c1815, the collector emitter connection is always open, regardless of how the base is connected or not. This transistor is also available in a throughthehole to92 bulk, and ammopack versions.
It is very simple amplifier circuit using transistor 2n3904 only. Npn general purpose amplifier, 2n3704 datasheet, 2n3704 circuit, 2n3704 data sheet. It is typically used for lowcurrent, medium voltage, and moderate speed purposes. The values on this graph represent the loss seen by the driver during a complete cycle. The 2n3904 is common generalpurpose lowpower npn transistor used amplifying or switching applications. Absolute maximum ratings ta 25c unless otherwise noted. Antique radio forums view topic 2n3904 2n3906 transistors. Jan 16, 2017 the 2n3904 has a spec of peak 200ma current capacity, which i translate to be 2. Mmpq3904, pzt3904, 2n3904, mmbt3904, datasheet, datasheets, pdf. This is similar to the characteristics of the 2n3904 where vcbo 60 v, vceo 40 v, vebo 6 v. So far, ive tried c1815, and 2n3904 pdf datasheets linked. The 2n3904 and the 2n2222 are 2 of the most popular npn bipolar junction transistors in the electronics market.
C ambient temperature unless otherwise specified symbol min. It is one of the lowestcost general purpose transistors currently available on the market, and compares well with the bc range of npn transistors. Free packages are available maximum ratings rating symbol value unit collector emitter voltage bc546 bc547 bc548 vceo 65 45 30 vdc collector base voltage bc546 bc547 bc548 vcbo 80 50 30 vdc emitter base voltage vebo 6. But the programming software detects the programmer. This kit is what you need to develop numerous different transistor circuits. Kst900 3 2n3904 electrical characteristic curves fig. The 2n3904 is a common npn bipolar junction transistor used for generalpurpose lowpower amplifying or switching applications. Free lead finish maximum ratings rating symbol value unit collector. Thats not a crazy difference, but its not the 10%ish behavior you might expect of a basic current. Bc546b, bc547a, b, c, bc548b, c amplifier transistors. This device 2n3704 is designed for use as general purpose amplifiers and. Unit small signal current gain at vce 10 v, ic 1 ma, f 1 khz hfe 100 400 output admittance at vce 1 v, ic 1 ma, f 1 khz hoe 140ms noise figure at vce 5 v, ic 100 ma, rg 1 kw, f 10 e 15000 hz nf 5 db. You canuse it in several ways, boost your signal, overdrive your tube, etc i personally use this circuit at the end of an overdrive pedal for example to make a boost solo switch.
Any way to make a 2n3904 transistor work like a 2n3704. Npn general purpose amplifier, 2n3904 datasheet, 2n3904 circuit, 2n3904 data sheet. Oct 30, 2007 in jdm programmers the two transistors they used bc547 in mostly. An illustration of the pin out of a standard to92 package for digikey part number 2n3904fsnd.
Collector current 1 100 10 1 10010 collector current ic ma. A 2n3904 transistors beta max value is 150 and min value is 100. It is designed for low current and power, medium voltage, and can operate at. It is designed for low current and power, medium voltage, and can operate at moderately high speeds. Electroharmonix have reissued their original lpb1 and made the easiest boost you can find. Bc546b, bc547a, b, c, bc548b, c amplifier transistors npn silicon features pb. Discussion in homebrew and kit projects started by kd2ixs, nov 30, 2015. A 2n3904 can handle up to 200ma milliamperes of current flow from the emitter to collector terminal.
The useful dynamic range extends to 100 ma as a switch and to 100 mhz as an amplifier. View 2n3904, mmbt3904, pzt3904 datasheet from on semiconductor at digikey. Bipolar bjt single transistor, npn, 30 v, mhz, mw, ma, technical datasheet. He gives a couple mods you can add to make it a treble booster.
Using an npn transistor to drive multiple leds from a pic. It is a high gain but low power output and inverts signal output. 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. 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.
1506 430 209 1566 498 340 608 1164 1328 901 1544 1509 1327 478 944 654 171 851 1165 469 922 243 291 117 748 1334 714 1013 1486 969 1329