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Name: 2N2222AUB
Brand: Microchip Technology
SKU: 2N2222AUB
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Microchip Technology 2N2222AUB

Part No.:: 2N2222AUB

Manufacturer:: Microchip Technology

Package:: 3-SMD, No Lead

Datasheet:: 2N2222AUB.pdf

Description:: TRANS NPN 50V 0.8A 3SMD

In Stock:: 2141

Quantity:: Add To Cart

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2N2222AUB Specifications

Packaging:
Bulk
Series:
2N2222
ProductStatus:
Active
TransistorType:
NPN
Current-Collector(Ic)(Max):
800 mA
Voltage-CollectorEmitterBreakdown(Max):
50 V
VceSaturation(Max)@IbIc:
1V @ 50mA, 500mA
Current-CollectorCutoff(Max):
50nA
DCCurrentGain(hFE)(Min)@IcVce:
100 @ 150mA, 10V
Power-Max:
500 mW
Frequency-Transition:
-
OperatingTemperature:
-65°C ~ 200°C (TJ)
MountingType:
Surface Mount

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2N2222AUB information

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2N2222AUB Typical application Circuitry

The 2N2222AUB is an NPN bipolar junction transistor (BJT) known for its high current gain and moderate power handling capabilities. It is commonly used in switching and amplification applications across various electronic circuits.

Application Scenario: LED Switching Circuit

In a simple LED switching circuit, the 2N2222AUB can be used to control the ON/OFF state of an LED based on an input signal.

Circuit Integration:

1. Base Connection: Connect the base of the 2N2222AUB (pin 1) to the output of a microcontroller or another control signal source through a current-limiting resistor.

2. Collector Connection: Connect the collector of the 2N2222AUB (pin 2) to the anode of the LED.

3. Emitter Connection: Connect the emitter of the 2N2222AUB (pin 3) to the ground.

4. LED and Resistor: Attach the resistor to the LED's cathode and the positive supply voltage to the resistor's other end.

Key Parameters and Design Considerations:

When designing a circuit with the 2N2222AUB, consider the following:

1. Current Gain: The 2N2222AUB has a high current gain (hFE), making it suitable for amplifying weak signals or driving loads like LEDs.

2. Maximum Collector Current: Ensure that the current through the collector does not exceed the maximum rating of the transistor.

3. Base Resistor Selection: Choose an appropriate base resistor value to limit the base current while ensuring sufficient current gain for switching the LED.

4. Power Dissipation: Consider the power dissipation of the 2N2222AUB and provide adequate heat sinking if necessary.

5. Switching Speed: The 2N2222AUB has a moderate switching speed, making it suitable for low to medium-frequency switching applications.

6. Circuit Layout: Minimize the length of the connections to reduce parasitic capacitances and inductances that can affect the switching performance.

In summary, the 2N2222AUB is a versatile NPN transistor that can be effectively used in a simple LED switching circuit to control the state of the LED based on an input signal. By carefully considering its electrical characteristics and implementing appropriate design practices, designers can effectively utilize this transistor in various switching and amplification applications.

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6. What is the process for return or replacement of 2N2222AUB?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the 2N2222AUB we delivered, we will accept the replacement or return of the 2N2222AUB only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of 2N2222AUB.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations