Consider a pnp transistor, which is connected in the circuit with the supply voltages v b 1. Active regionsaturation regioncutoff region1 active region characteristics. Semiconductortransistor crossreference list peavey. Discrete semiconductors data sheet book, halfpage m3d186 pn2907a pnp switching transistor 1997 may 05 product specification supersedes data of september 1994 file under discrete semiconductors, sc04 philips semiconductors product specification pnp switching transistor pn2907a features pinning high current max. Preliminary first production this datasheet contains preliminary data, and supplementary data will be published at a. The low side switch is very simple as shown in figure 1a. Pnp bipolar transistors designed for use as a general purpose. Pnp switching transistor pn2907a limiting values in accordance with the absolute maximum rating system iec 604. 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. Dec 11, 2017 2n2222a is a npn transistor hence the collector and emitter will be left open reverse biased when the base pin is held at ground and will be closed forward biased when a signal is provided to base pin. A properly biased pnp transistor the pnp transistor works essentially the same as the npn transistor. Transistor polaritycollector emitter voltage vbrceotransition frequency typ ftdc collector currentpower dissipation pddc current gain hfeoperating temperature rangetransistor case styleno. Recent listings manufacturer directory get instant insight into. Pnp general purpose transistor in a sot883 leadless ultra small plastic package.
The 2n2907 is a commonly available pnp bipolar junction transistor used for general purpose. Pnp transistor 2n2907 pinout, features, equivalent and. The problem is that the emitterbase junction is always forward biased. In this chapter youll learn about transistors, specifically the 2907 a pnp. Pnp general purpose transistor 2pa1774m series limiting values in accordance with the absolute maximum system iec 604. The rest of this article will discuss pnp characteristics and applications.
Refer to sot883 standard mounting conditions footprint, fr4 with 60. Designed for high speed switching application at collector current 0. Pn2907ata 2907a to92 3l ammo pn2907atar 2907a to92 3l ammo mmbt2907a 2f sot23 3l tape and reel mmbt2907ad87z 2f sot23 3l tape and reel pzt2907a 2907a sot223 4l tape and reel pn2907a mmbt2907a pzt2907a ebc to92 sot23 sot223 mark. Please consult the most recently issued document before initiating or completing a design. This means that most of the charge carriers in a pnp are holes. Zxtp2025f 50v pnp medium power transistor datasheet.
The 2n2222 is a common npn bipolar junction transistor bjt used for general purpose. The 2907 a datasheet indicates that it is capable of sourcing 500 rna of current. Pdf o92d 2907a pnp bipolar transistors bc 148 transistor datasheet diode s6 78a transistors bf 517 transistor bc 450 pnp bfg sot89 bc 327 sot 23 bas20 sot23 bcp 846 diode ta 7004. Device mounted on a fr4 printedcircuit board, singlesided copper, mounting pad for collector 1 cm2. The 2n3904 is a really common transistor that we use all the time and the 2n3906 is its pnp sibling. That will tell you much more than you could possibly test with a multimeter. St 2n2907 2n2907a pnp silicon epitaxial planar transistor for switching and af amplifier applications. The symbol of the transistor has an arrow on the emitter. The operation of the pnp and npn transistors mainly utilizes holes and electrons. Datasheet is pretty poor quality but we can see that the pins are numbered emittercollectorbase. Check out the datasheet, see if you recognize any familiar characteristics. The lowvoltage logic just has to feed sufficient current into the npn transistor to turn it fully on. Here is an image showing the pin diagram of the this transistor. Mps2907a pnp transistor complementary npn, replacement.
General purpose switching and amplification sot23 parameter symbol value unit collector base voltage bc856 bc857 bc858 vcbo805030. A bipolar junction transistor bipolar transistor or bjt is a type of transistor that uses both electrons and holes as charge carriers. Semiconductors data sheet book, halfpage m3d186 pn2907a pnp switching transistor. These transistors can be used as amplifiers, switches and oscillators. Quick reference data symbol parameter conditions min typ max unit per transistor tr1 vceo collectoremitter voltage open base. A pnp transistor is on when the value of the voltage source connected to the base is low and turned off when it is high. Three modes of operating region of transistors are. Following our study of amplifiers, we turn to the use of the as a. Let us consider the two examples of pnp transistors 2n3906 and pn2907a, shown in the images above.
Smallsignal transistor data book, 86 pages, 1984, motorola. Difference between npn and pnp transistor elprocus. However, since the emitter, base, and collector in the pnp transistor are made of materials that are different from those used in the npn transistor, different current carriers flow in the pnp unit. Pn2907a pnp transistor complementary npn, replacement. A bipolar transistor allows a small current injected at one of its terminals to control a much larger current flowing between two other terminals, making the device. Specifications may change in any manner without notice. The 2n2907 is an equally popular pnp transistor complementary to the 2n2222. In this tutorial we will talk about the pnp transistors. Unipolar transistors, such as fieldeffect transistors, use only one kind of charge carrier. Kn2907a datasheet, equivalent, cross reference search.
Zetex zxtp2025f 50v pnp medium power transistor datasheet mosfet and igbt gate driving relay and solenoid driving lamp driving highside switches dcdc conversion motor driving,high gain 50v forward blocking voltage low saturation voltage high peak current high power dissipation sot23 package created date. You can always remember that the arrow points at the n material. Pn2907a general purpose transistor adafruit industries. Free packages are available maximum ratings rating symbol value unit collector. In saturation region, the transistor operates as an closed. If you plug this into any multimeter with transistor test in this configuration, and it shows a valid hfe i. Single transistor switches are useful as a way to a interface. Pnp highside transistor switching with microcontroller.
The 2n2222 npn and 2n2907 pnp are complementary transistor pairs. Nxp semiconductors product data sheet pnp switching transistor pn2907a data sheet status notes 1. Discrete semiconductors data sheet book, halfpage m3d186 2n4403 pnp switching transistor 1999 apr 23 product specification supersedes data of 1997 may 05 philips semiconductors product specification pnp switching transistor 2n4403 features pinning high current max. When the transistor is fully biased it allows a maximum of 500ma current through the collector and provide a voltage collector to emitter of 1. The transistor is having dc current gain value of 100 to 300 which shows the amplification capacity of the transistor. The resistor needs to be large enough to effectively limit the current, but small enough to feed the base enough current. This will apply the 12 v to the chip output and destroy it or, if there are protection diodes on the output, the current will flow through the protection diodes into. Range of storage temperature 1 pw1ms, single pulse 2 each terminal mounted on a reference land. However, since the emitter, base, and collector in the pnp transistor are made of materials that are different from those used in the npn transistor, different current carriers flow in the pnp.
Mmbt2907a smd general purpose transistor pnp taitron. Note that japaneseorigin transistor typically omit a 2s in front of the part number, thus a c1815y is a 2sc1815 with a gain of y. An analysis of a pnp bjt circuit determine the collector current and collector voltage of the bjt in the circuit below. The 2n2907 is a commonly available pnp bipolar junction transistor used for general purpose lowpower amplifying or switching applications. Pn 2907a pn 3906 bf 959 bf 420 bf 422 bf 391 bf 392 bf 393 bf 421 bf 423 vceo volts 15 50 50 50 30 50 40 40 60 40 60 40 300 200 300 300 vcbo volts 300 200 300 300 vebo. Characteristics tamb 25 c unless otherwise specified. Identifying the terminals of a transistor requires the pin diagram of a particular bjt part. Pnp silicon epitaxial planar transistor for switching and af amplifier applications. The mps2907a is manufactured in a plastic to92 case. Pnp transistor circuit characteristics, working, applications. There is a temptation to think that we could do the same trick with an pnp transistor as shown in figure 1b. Motorola small signal transistor data book 1984 motorola inc 1983 acrobat 7 pdf 47. A pnp transistor receives positive voltage to the emitter terminal and a negative voltage at the base terminal or rather a more negative or lower voltage than what is supplied at the emitter terminal.
Description pnp switching transistor in a to18 metal package. Pnp switching transistor pn2907a package outline unit a outline references version european projection issue date iec jedec jeita mm 5. Datasheet for fairchild semiconductors equivalent pn2907 pdf. Pn 2907a pn 3906 bf 959 bf 420 bf 422 bf 391 bf 392 bf 393 bf 421 bf 423 vceo volts 15 50 50 50 30 50 40 40 60 40 60 40 300 200 300 300 vcbo volts 300 200 300 300 vebo volts at bias m. Transistors can be combined to create all our fundamental logic gates.
The term negative power is used in this chapter and throughout the book. And also this circuit connected with the resistors of r b 200k. Part numbering system for peavey to3 power transistors. Fall time ic, collector current ma 20 30 50 70 100 10 5. If the transistor is a pnp, then the arrow points to the base of the transistor, otherwise it points to the output. As shown above, a pnp transistor s emitter and collector are formed via ptype doping.
To understand how a pnp transistor works, lets follow its. The transistor is subdivided into one group according to its dc current gain. Pnp pnp series n p 2 e pnp series sealed pushbutton switch operating force 3 3 newtons 8 8 newtons actuator style s standard e extended d housing style only n none actuator color 0 no cap 1 white 2 black std 3 red 4 orange 5 yellow 6 green 7 blue 9 gray housing style t standard threaded mount d dome bezel contact material q silver std g. Silicon planar epitaxial pnp transistor 2n2907ac1 low power, high speed saturated.
The direction of the arrow always points from the positive ptype region to the negative ntype. Therefore, it is important to refer to the datasheet for the exact part number and. Pnp transistor 2n2907 pinout, features, equivalent and datasheet. Pinning pin description 1 emitter 2 base 3 collector, connected to case fig. Pnp switching transistor bsr12 handbook, full pagewidth 0. It is designed for low to medium current, low power, medium voltage, and can operate at moderately high speeds. Experiment 6 transistors as amplifiers and switches. Pn2907a pnp transistor complementary npn, replacement, pinout. Low current maximum100 ma low voltage maximum 65 v applications. On special request, these transistors can be manufactured in different pin configurations.
In active region, the transistor operate as an amplifierthe junction baseemitter is forward biased. Pn2907a datasheet48 pages philips pnp switching transistor. Datasheet identification product status definition advance information formative or in design this datasheet contains the design specifications for product development. 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. Free devices maximum ratings rating symbol value unit collector. The transistors pnp and npn are bjts and it is a basic electrical component, used in various electrical and electronic circuits to build the projects. O92d 2907a pnp bipolar transistors bc 148 transistor datasheet diode s6 78a transistors bf 517 transistor bc 450 pnp bfg sot89 bc 327 sot 23 bas20 sot23 bcp 846 diode ta 7004 bd373 abstract. Discrete semiconductors data sheet book, halfpage m3d186 pn2907a pnp switching transistor 1997 may 05 product specification supersedes data of september 1994 file under discrete semiconductors, sc04 philips semiconductors product specification pnp switching transistor pn2907a features pinning high.
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