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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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To distinguish collector from emitter, you look at the voltage shown in the diode function with 22222a one successful test that found the base. When I apply a voltage between the pin 1 to 3, as soon as the voltage rises over about 8V, the current starts to flow, even when the base has no voltage pulled down or floatingand the transistors gets pretty hot.

ST Microelectronics

But there are two important features that distinguish both. The exact specifications depend on the manufacturer, case type, and variation. Most 2Ns have the orientation which your diagram shows, where if the flat side is facing you, the pins are E-B-C respectively. Therefore, it is important to refer to the datasheet for the exact part number and manufacturer.

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. When this transistor is fully biased then it datasheet allow a maximum of mA to flow across the collector and emitter.

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2NA Pinout, Features, Equivalent & Datasheet

Datssheet Can be used to switch high current upto mA loads It can also be used in the various switching applications. What do you think? 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. Retrieved 26 March The JEDEC registration of a device number ensures particular rated values will be met by all parts offered under that number. You can have up to 3 types of configurations.

The slightly lower of the two voltages will correspond to the collector-base junctionand the other will be the emitter-base junction. This page was last edited on 25 Octoberat I have used a base voltage of 5V and a value of 1K as current limiting resistor. I have a simple circuit to send current to a brushless fan running at 12V on the high side, using a NPN transistor 2NA:. So if you looking for an NPN transistor that could switch loads of higher current then 2NA might the right choice for your project.

I don’t think so – throw it in the bin.

ST Microelectronics – datasheet pdf

Submitted by webmaster on 11 December Spehro Pefhany k 4 JEDEC registered parameters include outline dimensions, small-signal current gaintransition frequencymaximum values for voltage withstand, current rating, power dissipation and temperature rating, and others, measured under standard test conditions. It is designed for low to medium currentlow powermedium voltageand can operate at moderately high speeds.

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If Datqsheet set up the circuit for a quick test, it seems that the datasheet or the transistor has the pins swapped.

In actual circuit modifications might be required. Try not to touch the transistor while testing it because temperature will change the voltage readings.

Am I missing something here?

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

As the name suggests this resistor will limit the current flowing through the transistor to prevent it from damaging. In other projects Wikimedia Commons.

Would I reuse it? To make things simple I have shown a simplified circuit to make datasheey transistor as switch. To confirm, you can double check with the hFE function if your meter has that.

It is frequently used as a small-signal transistor, [4] [5] and it remains a small general datasheft transistor [6] of enduring popularity. Billions of units have been manufactured over the past 45 years and there is continuing high volume annual production.

However one important thing to notice is the Base resistor a. To bias a transistor we have to supply current to base pin, this current I B should be limited to 5mA.

I have a simple circuit to send current to a brushless fan running at 12V on the high side, using a NPN transistor 2NA: