2n222

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2n222

The 2N is a ubiquitous NPN bipolar junction transistor renowned for its versatility and reliability. Its high current capability and low saturation voltage make it ideal for amplification, switching, and signal processing in a wide range of electronic applications. Note: Complete Technical Details can be found in the 2NA datasheet , given at the end of this page. The maximum amount of current that could flow through the Collector pin is mA, hence we cannot connect loads that consume more than mA using this transistor. To bias a transistor we have to supply current to base pin, this current I B should be limited to 5mA. When this transistor is fully biased, then it can allow a maximum of mA to flow across the collector and emitter. When base current 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. But there are two important features that distinguish both. So if you looking for an NPN transistor that could switch loads of higher current, then 2NA might the right choice for your project. This transistor like all can be used either as a switch or as an amplifier. The Base-Emitter voltage of this transistor is 6V so you just have to supply this voltage across the base and emitter of the transistor to induce a base current into the transistor. This transistor will make it forward biased and thus closes the connection between collector and emitter. However one important thing to notice is the Base resistor a. As the name suggests this resistor will limit the current flowing through the transistor to prevent it from damaging. The value for this resistor can be calculated using the formula.

They are not 2n222 replacements, but comparable devices that may be substituted only in circuits where the maximum current and voltage ratings are not exceeded, 2n222.

It is designed for low to medium current , low power , medium voltage , and can operate at moderately high speeds. It was originally made in the TO metal can as shown in the picture. The 2N is considered a very common transistor, [1] [2] [3] and is used as an exemplar of an NPN transistor. It is frequently used as a small-signal transistor, [4] [5] and it remains a small general purpose transistor [6] of enduring popularity. The JEDEC registration of a device number ensures particular rated values will be met by all parts offered under that number. JEDEC registered parameters include outline dimensions, small-signal current gain , transition frequency , maximum values for voltage withstand, current rating, power dissipation and temperature rating, and others, measured under standard test conditions.

The design of this transistor can be done using silicon material. This kind of transistor is considered a normal transistor, so it is used like an NPN transistor. It is used as a small signal transistor frequently. This article discusses an overview of a 2NA transistor. It is available in the TO package. The pin configuration of the 2NA transistor is shown below. The touch switch circuit using the 2NA transistor circuit is shown below.

2n222

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All customer information is handled confidentially. Download as PDF Printable version. When compared to BC, 2N has a collector current of up to mA and a power dissipation of mW, allowing it to drive larger loads. A version of the 2NA in a larger metal TO case, the 2NA had a higher power dissipation rating 3 watts when attached to a heatsink that keeps the case temperature at 25 C, or 0. Switching and digital logic circuits are primarily used in the Cutoff Region. The BC family, including the BCA to BCC, are lower voltage, lower current, general-purpose transistors in TO packages, originating in Europe, that are often found in small-signal amplification and switching circuits of the type where the 2N might otherwise be used. We will carry out such reimbursement using the same means of payment as you used for the initial transaction, unless you have expressly agreed otherwise; in any event, you will not incur any fees as a result of such reimbursement. Always check the content of the order confirmation. Paytrail Oyj collaborates with Finnish banks and credit institutions. It comes with the TO bundle. Hidden categories: Webarchive template wayback links Articles with short description Short description matches Wikidata Use dmy dates from July Commons category link from Wikidata. The value for this resistor can be calculated using the formula.

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Join Us A short sentence describing what someone will receive by subscribing. They are not true replacements, but comparable devices that may be substituted only in circuits where the maximum current and voltage ratings are not exceeded. New customer? When we have received your order, we will immediately send you an order confirmation by email, which will show your order details. Junkbots, bugbots, and bots on wheels: building simple robots with BEAM technology. The transistor is made up of silicon material. When ordering from the online store, it is assumed that you have read and agreed to the current delivery terms. When the transistor is turned on, current flows from the source to the ground through the load. You can also use our printable return form, but its use is not mandatory. Read Edit View history. When compared to BC, 2N has a collector current of up to mA and a power dissipation of mW, allowing it to drive larger loads. You must return the goods without delay and no later than 14 days after informing us about your decision to withdraw from the contract. In actual circuit modifications might be required. 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. The emitter-base and collector-base junctions are forward biased in this region.