The BC549C is an NPN transistor belonging to a group of general-purpose NPN semiconductors consisting of BC547, BC548, and BC549. BC549 transistor can also be used in many general purpose applications, for example, it can be used in the audio preamplifier, audio amplifier, and circuits, this transistor can also be used for signal amplification purposes due to its high gain characteristic, the emitter-base voltage is only 5V  which BC549 can be used at the output of the microcontrollers, with the 100mA collector current NPN transistor can be used to control a variety of loads in the electronic circuit like power transistors, relays, MOSFETs, LEDs,  etc. Register now to get updates on promotions and coupons. Current Drains out through emitter, normally connected to ground, Controls the biasing of transistor, Used to turn ON or OFF the transistor, Current flows in through collector, normally connected to load. BC547 and bc549 both are NPN and both are alternate of each other with little difference. BC546/547/548/549/550. Your email address will not be published. BC546 is unique... 2N3904/3906 2N4401/4403 2N5401/5551 SMD Equivalent is MMBT3904/3906 MMBT4401/4403 MMBT5401/5551 The transistor part number nomenclature are: JIS, Pro Electron, and JEDEC. BC547, BC548, BC550 . The image above shows the transistor symbol for an NPN component. BC547 and bc549 both are NPN and both are alternate of each other with little difference. Afzal Rehmani 9,510 views April 30, 2019. BC546, BC547, BC548, BC549 and BC550 are NPN types, while BC556, BC557, BC558, BC559 and BC560 are PNP types and form complementary pairs with the NPN type. (adsbygoogle = window.adsbygoogle || []).push({}); Stereo Audio Amplifier 5W Circuit using TEA 2025 IC, Light Dimmer Circuit 1000 Watts Using BT139, Copyright © 2020 | WordPress Theme by MH Themes, 2N3906 Transistor Pinout, Features and applications. And BC547 should be able to handle over 200mA Ic because the current rating is mainly dependent on the package (TO-92) itself. High Voltage: BC546, VCEO=65V ; Low Noise: BC549, BC550 These are the most general purpose NPN silicon transistors and changing one with the other does not noticably (or otherwise) affect... BC547 vs 2N3904 European versus American. JavaScript is disabled. So it can be used in places where the load current is less than 100mA. Looking at the history of BC547 and 2N3904. BC549 has a reasonable gain value (HEF) from 420 to 800; this value controls the amplification capacity of the transistor. Quora In most cases you could. Who is better ? On the other hand, 2N3904 is originated from the United States of America and is the most popular general-purpose transistors in the world. The transistor with low hFE might not work well in that circuit so a BC547B or BC547C should be used. This is very useful for building symmetrical push-pull preamplifier stages. From their datasheets BC547 with Vceo of 45V and Ic of 100mA ratings 2N3904 with Vceo of 40V and Ic of 200mA ratings BC547 with Vceo of 45V rating while 2N3904 is just 40V2N3904 with Ic of 200mA rating while BC547 is just 100mA There... How to choose a Power MOSFET? Can I use a Transistor BC547 instead of BC548? As you can see from this, the largest current gain is available from group C that is why the BC549C is more commonly used. Problem in driving Buzzer from transistor BC547. Como pueden observar, el rango de tensiones de trabajo según el modelo va desde los 30V hasta los 65V. If it is a new design, 2N3904 is definitely the choice because of cost and popularity. The BC549 is an NPN transistor; however, it also has a complimentary PNP version, which is the BC559. These transistors are utilised in audio frequency, and small signal directly coupled preamplifiers. I calculated the bias point of the preamp transistor with a good hFE of 505, a low hFE of 109 and a high hFE of 807. As early as 1979, Ferranti Semiconductors were manufacturing the ZTX107, ZTX108, and ZTX109 transistors which were a direct equivalent replacement for the Philips BC series. admin As one of the sizable semiconductor devices, the transistor has found use in great digital applications such as embedded systems, … These transistors are the direct modern equivalent replacements to the earlier BC107, BC108, and BC109. First of all, need to understand the application for Power MOSFET. BC549 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.

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