The bc549c is an npn transistor belonging to a group of generalpurpose npn semiconductors consisting of bc547, bc548, and bc549. Ta25c unless otherwise noted symbol test conditions min typ max units hfe vce5. Bipolar junction transistors bjt general configuration and definitions the transistor is the main building block element of electronics. It is a semiconductor device and it comes in two general types. Group a bc107, bc108 group b all types group c bc108, bc109 bc107 bc108 bc109 vce 5v lc 2ma ib 0. Bc109 datasheet, bc109 pdf, bc109 pinout, equivalent, replacement transistor motorola, schematic, circuit, manual. They are suitable for use in driver stages, low noise input stages and signal processing circuits of television reveivers. Apr 21, 2020 bc108 transistor datasheet pdf the central semiconductor bc, bc. I dont know if they were attempting to get in the same ballpark, i found the foxrox a bit more restrained and the hendrix a. Bc107bc108 series low power bipolar transistors page 2 200406 v1. The problem is that almost everyone is trying to teach that a transistor is a semiconductor device.
The bc548 is a part of a family of npn and pnp epitaxial silicon transistors that originated with the metalcased bc108 family of transistors. Bc107 transistor application notes transistor bc107 specifications bc109c transistor transistor bc107 bc109c bc107a transistor bc109 bc108 applications of transistor bc108 text. C unless specified otherwise description symbol test condition bc107 bc108 bc109 unit collector emitter voltage v ceo i c2ma, i b0 45 25 25 v emitter base voltage v ebo i e10a, i c0 6 5 5 v. Bc108 datasheet, equivalent, cross reference search. Lownoise transistor to92 bc108 datasheet, cross reference, circuit and application notes in pdf format. Inexpensive plastic packaged pn 2222a, 2n3904, 2n4401, or 2sc945 should all be acceptable substitutes. Bc108abc bc109abc to18 metal can package electrical characteristics ta25. May 28, 2014 how transistors work is probably the hardest concept for you to understand as a beginner. They are suitable for use in driver stages, low noise input stages and signal processing circuits of television receivers. Bc108 transistor datasheet pdf the central semiconductor bc, bc. Electrical characteristics continued symbol parameter test conditions min. Unit hfe small signal current gain ic 2ma f 1 khz ic 10ma f100mhz vce 5v for bc107 for bc107 gr. Mono preamp mic based bc108 transistor amplifier circuit december 20, 2011 the microphone preamp based transistor described here is powered by 9 v and less than 1 ma current consumption, it will allows you to use a small 9.
In the next tutorial about bipolar transistors, we will look at the opposite or complementary form of the npn transistor called the pnp transistor and show that the pnp transistor has very similar characteristics to the bipolar npn transistor except that the polarities or biasing of the current and voltage directions are reversed. Thermal characteristics characteristic symbol max unit thermal resistance, junction. Electrical characteristics ta 25c unless otherwise specified description symbol test condition minimum maximum unit collectoremitter voltage vceo ic 2 ma, ib 0 bc107 bc108 45 25v collectorbase voltage vebo ie 10 a, ic 0 bc107 bc108 6 5collectorcut off current icbo vcb 45 v, ie 0 bc107 vcb 25 v, ie 0 bc108 tamb 125c. Mono preamp mic based bc108 transistor amplifier circuit.
In practice this value isnt a universal constant but depends on various factors. Bc109limiting valuesin accordance with the absolute maximum rating system iec 4. Bc239 absolute maximum ratings t a 25 c electrical characteristics t a 25 c h fe classification characteristic symbol rating unit collectoremitter voltage. Bc107, bc108, bc109 npn general purpose transistors. May 30, 2019 transistor characteristics are the plots which represent the relationships between the current and the voltages of a transistor in a particular configuration.
And instead of just telling you what it does, they explain that it consists of ndoped and pdoped materials. Jun 19, 2019 bc108 transistor datasheet pdf the central semiconductor bc, bc. The central semiconductor bc107, bc108, bc109 series types are small signal npn silicon transistors, manufactured by the epitaxial planar process, designed for general purpose amplifier applications. Electrical characteristics ta 25c unless otherwise specified description symbol test condition minimum maximum unit collectoremitter voltage vceo ic 2ma, ib 0 bc107 bc108 45 25v emitterbase voltage vebo ie 10a, ic 0 bc107 bc108 6. How transistors work is probably the hardest concept for you to understand as a beginner. Functional operation above the recommended operating conditions is not implied. The bc548 is an example of the modern lowcost member of this family, still in a throughhole package, while the bc848 is the surfacemount version. Bc107 datasheet, equivalent, cross reference search. Unit vcbo collectorbase voltage open emitter bc107.
Vbe decreases by about 2 mvk with increasing temperature. Bc107 bc108bc109 low noise general purpose audio amplifiers description the bc107, bc108 and bc109 are silicon planar epitaxial npn transistors in to18 metal case. The behavior of an npn bipolar transistor is largely controlled by the current flowing into the base i. Bc series types are small signal npn silicon transistors, manufactured by the epitaxial planar process. Free devices maximum ratings rating symbol value unit collector. Bc107 bc108 low noise general purpose audio amplifiers description the bc107 and bc108 are silicon planar epitaxial npn transistors in to18 metal case. Thermal characteristicsnote datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits. Bc107 bc108 bc109 low power bipolar transistors page 2 300505 v1.
Thermal characteristics junction to ambient in free air r th ja. A bc108 transistor is an npn negativepositivenegative bipolar transistor. Jun 12, 2019 bc108 transistor datasheet pdf the central semiconductor bc, bc. By considering the transistor configuration circuits to be analogous to twoport networks, they can be analyzed using the characteristiccurves which can be of the following types. Initially in metal to18 packages, the range expanded over time to. The second set of characteristics were going to be interested in is illustrated to the right as a family of i cv. Low noise general purpose audio amplifiers, bc108 datasheet, bc108 circuit, bc108 data sheet. Suitable for applications requiring low noise and good hfe linearity, eg.
I recently had within a few weeks of each other both a dunlop hendrix fuzz face mini, with bc108cs and a foxrox hot silicon with bc109s. Bc108 datasheet, bc108 pdf, bc108 data sheet, bc108 manual, bc108 pdf, bc108, datenblatt, electronics bc108, alldatasheet, free, datasheet, datasheets, data sheet. The characteristics of the bc108 transistor make it a general purpose transistor with some properties suitable for lowpower amplification on frequencies in the audio range. The bc107, bc108 and bc109 are generalpurpose low power silicon npn bipolar junction transistors found very often in equipment and electronics booksarticles from europe, australia and many other countries from the 1960s. C unless specified otherwise description symbol test condition min typ max unit collector emitter saturation voltage v ce sat i c10ma, i b0. Full part number to18 case mechanical outline electrical characteristics continued. The generalpurpose range of transistors is a good substitute for basic noncritical audio applications, as these transistors are similar and. Preferred device low noise transistor npn silicon features these are pb. These transistors are utilised in audio frequency, and small signal directly coupled preamplifiers. General purpose small signal npn bipolar transistor features silicon npn hermetically sealed to18 screening options available vcbo collector base continuous voltage bc017 bc108, bc109 vceo collector emitter continuous voltage with zero base current bc107 bc108, bc109. Adding new transistors to ltspice electronics forum. General purpose npn small signal transistor bc107abc bc108abc bc109abc a, signal transistor bc107 electrical characteristics ta 25ac unless otherwise stated symbols, 1a 100 vce 5v b c107 110450 b c108 110800 b c109 200800 a group, number 9695 issue 1 page 2 of 4.
Npn transistor tutorial the bipolar npn transistor. The bc141 is also a general purpose npn transistor in a metal package with a higher voltage rating probably unnecessary in your application and higher current rating. Aug 09, 2019 bc108 transistor datasheet pdf the central semiconductor bc, bc. Bc107 bc108 bc109 low noise general purpose audio amplifiers description the bc107, bc108 and bc109 are silicon planar epitaxial npn transistors in to18 metal case. Stmicroelectronics, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Bc109 characteristics tj 25 c unless otherwise specified.
The total power capability is limited to 300 milliwatts in the standard version, and the bc108c can handle as much as 600 milliwatts. Thermal characteristicsnote datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. The bc108 is a low power general purpose npn transistor in a metal package. Bc108 low noise general purpose audio amplifiers description the bc107 and bc108 are silicon planar epitaxial npn transistors in to18 metal case. It is a good way to test a transistor and confirm it is working. Bc107bc108 series low power bipolar transistors page 3 200406 v1. Jul 28, 2019 bc108 transistor datasheet pdf the central semiconductor bc, bc. Is there a big difference between a bc108 and a bc109 fuzz. They were created by philips and mullard in 1963 and introduced in april 1966.