I have across this circuit across a lot of forums and was just wondering if i could replace bc547 q1 in the circuit with the commonly used 2n2222 npn transistor. Smd equivalent the smd versions of the bc547 are available as the bc847 sot23, bc847w sot323, bc850 sot23 and bc850w sot. Complete technical details can be found at the bc557 datasheet given at the end of this page. Transistor equivalent to bc212, bc257, 2sb725, nte159 brand. Besides these uses it can also be used in commercial circuits. Vce limits of the transistor that must be observed for reliable operation. Bc557 equivalent datasheet, cross reference, circuit and application notes in pdf format. Philips pnp general purpose transistors,alldatasheet, datasheet, datasheet search site for electronic components and.
The complimentary transistor is very useful for symmetrical pushpull amplifier circuits. Recent listings manufacturer directory get instant insight into any. Bc556 datasheet, equivalent, cross reference search. Pnp epitaxial silicon transistor absolute maximum ratings ta25c unless otherwise noted electrical characteristics ta25c unless otherwise noted hfe classification symbol parameter ratings units vcbo collectorbase voltage 50 v vceo collectoremitter voltage 45 v vebo emitterbase voltage 5 v ic collector current 100 a pc collector. Silicon npn transistor in a to92 r plastic package. Bc546 bc547 bc548 bc549 bc550 npn epitaxial silicon. Bc557 pdf, bc557 description, bc557 datasheets, bc557 view.
The resistor r, and capacitor c, determines the timing of the flasher, and the period is proportional to r. Bc556 bc557 bc558 bc559 bc560 pnp epitaxial silicon transistor keywords. Bc547 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. Bc557 datasheet, bc557 pdf, bc557 data sheet, bc557 manual, bc557 pdf, bc557, datenblatt, electronics bc557, alldatasheet, free, datasheet, datasheets, data sheet. D882 transistor pinout, equivalent, uses, features by admin published april 23, 2019 updated april 23, 2019 2sd882 or d882 is a to126 package general purpose transistor, in this post you will find d882 transistor pinout, equivalent, uses. Bc557 bc556 the safe operating area curves indicate ic. I have a small circuit which controls the speed of a dc motor as per the ambient temperature. It comes in to92 packaging and the maximum output current this transistor can handle is 100ma. Bc556, ab bc557, abc bc558, abc pnp general purpose transistor collector 3 p b leadpbfree 2 base 1 2 3 1 emitter to92 maximum ratings. The bc557 transistor is a silicon pnp low power transistor used for both amplifier and switching purposes features of bc557 npn general purpose transistor. Bc557 transistor pinout, equivalent, uses, features.
Circuit works with bc557 pnp transistor, but not tip32c. Bc547 transistor pinout, equivalent, uses, features. With the base raised to 12v and the emitter as the output, the pnp be junction is being reverse bias. This means you can use any npn transistor, such as 2n2222, bc108, 2n3704, bc337 and hundreds of others. Bc557 datasheet, bc557 datasheets, bc557 pdf, bc557 circuit. How to make simple electronic circuits using transistor. Bc556 bc557 bc558 bc559 bc560 pnp epitaxial silicon. You are not using a pnp transistor the correct way. Especially suited for use in driver stages of audio amplifiers, low noise input stages of tape recorders, hifi amplifiers, signal processing circuits of television receivers.
Bc557 is a pnp transistor hence the collector and emitter will be closed forward biased when the base pin is held at ground and will be opened reverse biased when a signal is provided to base pin. The bc557 be junction breaks down and current is supplied to the load through the break down. Bc557 datasheet, bc557 pdf, bc557 data sheet, bc557 manual, bc557 pdf, bc557. Bc557 is a pnp transistor hence the collector and emitter will be closed when the base pin is held at ground and will be opened when a signal. This circuit uses a bc557 pnp transistor connected to a bc547 npn transistor in such a way so that the bc547 conducts for a very brief time making the led light. To bias a transistor we have to supply current to base pin, this datzsheet i b should be limited to 5ma. Especially suited for use in driver stages of audio amplifiers, low noise input stages of. This is identical in every respect to the npn type, except that it is a pnp type. Smd equivalent the smd versions of the bc547 are available as the bc847 sot23, bc847w sot323, bc850 sot23 and bc850w sot323. Alternative transistors for bc557 are 2n3906, 2n4403, bc556, bc327 output pins of some equivalents are different please see pinout details of the equivalent transistor before replacing in the circuit. Bc557 pnp general purpose transistors mouser electronics. The bc557 transistor is a silicon pnp low power transistor used for both amplifier and switching purposes. Some circuits use tun for transistor universal npn and this is the same as our reasoning the. Please practice handwashing and social distancing, and check out our resources for adapting to these times.
Free packages are available maximum ratings rating symbol value unit collector emitter voltage bc546 bc547. Bc547 npn transistor complementary pnp, replacement, pinout. Free packages are available maximum ratings rating symbol value unit collector emitter voltage bc556 bc557 bc558 vceo. Bc is a pnp transistor hence the collector and emitter will be closed forward biased when the base pin is held at ground and will be opened reverse biased when a signal is provided to base pin. Bfr91 should be considered to be used primarily for design of highgain, low noise, smallsignal amp. Applications general purpose switching and amplification. Bc547 is a general purpose bjt npn transistor mostly used in electronics hobbyists and educational electronics projects.
Pnp general purpose transistor bc559 package outline unit a outline references version european projection issue date iec jedec jeita mm 5. Bc557, 557b general purpose transistor page 1 310505 v1. Bc556 bc557 bc558 bc559 bc560 pnp epitaxial silicon transistor january 2016 bc556 bc55. Top 5 electronics projects using bc547 transistor youtube. The pnp equivalent is the complimentary transistor, which is the bc557. Bc556 bc557 bc558 bc559 bc560 pnp epitaxial silicon transistor author. Bc546 bc547 bc548 bc549 bc550 npn epitaxial silicon transistor features switching and amplifier highvoltage. I have across this circuit across a lot of forums and. Bc557, bc557 datasheet, bc557 pnp general purpose transistor datasheet, buy bc557 transistor. Apr 27, 2019 bc557 datasheet, equivalent, cross reference search it can amplify power, voltage and current at different configurations. The tip32c displays a different behavior probably because it breaks down at a higher be voltage. Bc557 datasheet, bc557 pdf, bc557 data sheet, datasheet, data sheet, pdf, boca semiconductor corporation, pnp silicon planar epitaxial. B c features for complementary with npn type bc546547548. Bc556 bc557 bc558 bc559 bc560 pnp epitaxial silicon transistor.
The complementary pnp transistor to the bc547 is the bc557. Free device maximum ratings rating symbol value unit collector. Submitted by admin on 26 october bc has a gain value of tothis value determines the amplification capacity of the transistor. Disclaimer this data sheet and its contents the information belong to the premier farnell. Texas instruments highperformance analog description. Bc557 datasheet, equivalent, cross reference search. Pinning pin description 1 emitter 2 base 3 collector fig. A2, august 2002 bc546547548549550 npn epitaxial silicon transistor absolute maximum ratings ta25c unless otherwise noted. Oct 06, 2018 bc547 transistor explained description.
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. T 25 c unless otherwise noted a rating symbol bc556 bc557 bc558 unit v 65 45 collectoremitter voltage eco 30 v 30 v collectorbase voltage cbo 80 50 v v ebo emitterbase voltage 5 5 5 v l. Characteristics tamb 25 c unless otherwise specified. Bc is a pnp transistor hence the collector and emitter will be. Bc557, 557b general purpose transistor page 3 310505 v1. Philips pnp general purpose transistors,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Collector load lines for specific circuits must fall below the limits.
Bc557 datasheet, equivalent, cross reference search it can amplify power, voltage and current at different configurations. Bc557 transistor replacement datasheet, cross reference, circuit and application notes in pdf format. Bc556b, bc557a, b, c, bc558b amplifier transistors on. Transistor equivalent or substitute used for power amplifier. Dark sensor using bc557 build circuit bc557 equivalent transistor dark sensor using bc557 build circuit. How to make simple electronic circuits using transistor bc547. Pnp silicon epitaxial planar transistors for switching and af amplifier applications. Transistor pnp smd general purpose transistor pnp features pnp silicon epitaxial planar transistor for switching and amplifier applications mechanical data case. Bc547 datasheet, equivalent, cross reference search. Some circuits use tun for transistor universal npn and this is the same as our reasoning the transistor type is just to let you know it is not critical. These transistors are subdivided into three groups a, b, and c according. Aug 19, 2019 bc557 datasheet, equivalent, cross reference search electrically isolates transistor or other components from the heatsink to make thermal conduction b.
Bc549, bc550 complement to bc556, bc557, bc558, bc559, and bc560 ordering information part number marking package packing method bc546abu bc546a to92 3l bulk bc546ata bc546a to92. Bc547 npn transistor complementary pnp, replacement. In this video, i m going to show the top 5 electronics projects using bc547 transistor. Bc546b, bc547a, b, c, bc548b, c amplifier transistors npn silicon features pb.