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Microchip Technology 2N2222AUB/TR

Part No.:: 2N2222AUB/TR

Manufacturer:: Microchip Technology

Package:: 3-SMD, No Lead

Datasheet:

Description:: TRANS NPN 50V 0.8A 3SMD

In Stock:: 3053

Quantity:: Add To Cart

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2N2222AUB/TR Specifications

Packaging:
Tape & Reel (TR)
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

2N2222AUB/TR this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including 2N2222AUB/TR price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for 2N2222AUB/TR to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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2N2222AUB/TR information

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2N2222AUB/TR Typical application Circuitry

A variation of the 2N2222 series, the 2N2222AUB/TR is an NPN bipolar junction transistor (BJT) renowned for its dependable performance in switching applications and tiny size. The device is usually given in tape and reel packaging for automated assembly procedures, as indicated by the "/TR" suffix.

Application Situation: Circuit for Automatic Lighting Control

The 2N2222AUB/TR can be used in an autonomous lighting control circuit to turn on and off a tiny lightbulb or LED based on the amount of ambient light sensed by a photoresistor.

Circuit Integration:

1. Photoresistor and Voltage Divider: To create a voltage divider, wire a photoresistor and a fixed resistor in series. The base of the 2N2222AUB/TR (pin 1) is linked to the junction of the photoresistor and the fixed resistor.

2. LED Connection: Attach the anode of the LED to a positive supply voltage and its cathode to the collector of the 2N2222AUB/TR (pin 2).

3. Emitter Grounding: Link the emitter of the 2N2222AUB/TR (pin 3) to the ground.

4. Current-limiting Resistor: Place a resistor between the supply voltage and the LED anode to limit the current flowing through the LED.

Key Parameters and Design Considerations:

When designing an automatic lighting control circuit with the 2N2222AUB/TR, consider the following:

1. Voltage Divider Biasing: Choose appropriate values for the photoresistor and the fixed resistor to ensure that the transistor turns on and off at the desired light levels.

2. LED Current Limiting: Select a suitable resistor value to limit the LED current to a safe level without exceeding the maximum collector current rating of the 2N2222AUB/TR.

3. Power Dissipation: Evaluate the power dissipation of the transistor and the need for heat sinking, especially if the LED or light bulb operates at high currents.

4. Ambient Light Sensitivity: Adjust the sensitivity of the circuit to ambient light by varying the resistor values in the voltage divider.

5. Protection: Consider adding a reverse-biased diode across the LED to protect the transistor from voltage spikes caused by inductive loads or long wiring.

6. Circuit Layout: Optimize the layout to minimize noise and ensure stable operation of the light control circuit.

In conclusion, the 2N2222AUB/TR is a versatile NPN transistor ideal for use in automatic lighting control circuits. By carefully considering its electrical specifications and implementing appropriate circuit design practices, designers can effectively utilize this transistor to create efficient, compact, and reliable lighting control solutions.

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

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/TR we delivered, we will accept the replacement or return of the 2N2222AUB/TR 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/TR.

(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