Symbol. Parameter. Value. Unit. VCBO. Collector-Emitter Voltage (IE = 0). V. VCEO. Collector-Emitter Voltage (IB = 0). V. VEBO. Emitter-Base Voltage (IC. SMBT A. 1. Oct NPN Silicon Switching Transistor. • High DC current gain: mA to mA. • Low collector-emitter saturation voltage. Datasheet contains the design specifications for product development. Datasheet contains preliminary data; supplementary data will be.

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It was originally made in the TO metal can as shown in the picture.

Typical examples are the well known NPN and PNP industrial and military types, 2N and 2N, which have been used for over four decades and are still being used in many designs. Views Read Edit View history.

ST Microelectronics

The 2N is considered a very common transistor, [1] [2] [3] and is used as an exemplar of an NPN transistor. This transistor like all can be used either as a switch or as an amplifier. When base dqtasheet is removed the transistor becomes fully off, this stage is called as the Cut-off Region and the Base Emitter voltage could be around mV.

This is the pic of the transistor, vatasheet I understand that it should work, but it doesn’t it is always ‘on’ with 12V between the collector and the emitter with the base floating. Would you like to answer one of these unanswered questions instead? They’re listed together because they’re complementary transistors.


2NA Pinout, Features, Equivalent & Datasheet

No other pin will show that. This transistor will make it forward biased and thus closes the connection between collector and emitter. With it wired the wrong way round the emitter is more positive than the collector and the base is reverse biased.

The 2N is an NPN transistor that can only switch one-third the current of the 2N but has otherwise similar characteristics. satasheet

PN2222A . Datasheet. Equivalente. Reemplazo. Hoja de especificaciones. Principales características

Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site the association bonus does not count. To make things simple I have shown a simplified circuit to make a transistor as switch.

The maximum amount of current that could datasheeg through the Collector pin is mA, hence we cannot connect loads that consume more than mA using this transistor. Thank you for your interest in this question. It can be even worse, since the On Semi PN has dqtasheet conventional pinout, despite being the same manufacturer and mostly same specifications: This is the picture of the datasheet for the pins: Commercial transistors Bipolar transistors.


In actual circuit modifications might be required.

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It is frequently used as a small-signal transistor, [4] [5] and it remains a small general purpose transistor [6] of enduring popularity. Zuofu 3, 2 15 Try not to touch the transistor while testing it because datasheeet will change the voltage readings.

In other projects Wikimedia Commons. Archived from the original on 14 April It is designed for low to medium currentlow powermedium voltageand can operate at moderately high speeds.

Learn to keep an eye open for the following transistors, as they’re among the most useful, inexpensive, and popular types: I am trying to figure out what is going on here.

What do you think?

From Wikipedia, the free encyclopedia. Retrieved from ” https: Junkbots, bugbots, and bots on wheels: The base will show a diode connection to both other pins, in only one polarity.

However one important thing to notice is the Base resistor a. Note that the motor here draws about mA from the 12V power source, since the 2N has collector current rating upto mA this circuit is possible had it been a BC the transistor should have been burnt.

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