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Microchip Technology 2N2222AUBC/TR

Part No.:: 2N2222AUBC/TR

Manufacturer:: Microchip Technology

Package:: 3-SMD, No Lead

Datasheet:

Description:: SMALL-SIGNAL BJT

In Stock:: 3179

Quantity:: Add To Cart

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2N2222AUBC/TR Specifications

Packaging:
Tape & Reel (TR)
Series:
Military, MIL-PRF-19500/255
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

2N2222AUBC/TR this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including 2N2222AUBC/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 2N2222AUBC/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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2N2222AUBC/TR information

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2N2222AUBC/TR Typical application Circuitry

The 2N2222AUBC/TR is a variant of the renowned 2N2222 family, an NPN bipolar junction transistor (BJT) designed for high-speed switching applications. The "C/TR" suffix often denotes a specific classification related to packaging or electrical specifications, such as tape and reel packaging for automated assembly processes.

Application Scenario: PWM (Pulse Width Modulation) LED Dimmer

In a PWM LED dimmer circuit, the 2N2222AUBC/TR can efficiently control the brightness of an LED by adjusting the duty cycle of the input PWM signal.

Circuit Configuration:

1. PWM Input: Connect the PWM signal from a microcontroller to the base of the 2N2222AUBC/TR (pin 1) through a current-limiting resistor to modulate the LED brightness.

2. LED Connection: Attach the anode of the LED to a positive supply voltage and its cathode to the collector of the 2N2222AUBC/TR (pin 2).

3. Emitter Grounding: Link the emitter of the 2N2222AUBC/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 implementing a PWM LED dimmer circuit with the 2N2222AUBC/TR, focus on the following aspects:

1. Base Current: Ensure the base current is sufficient to fully saturate the transistor at the highest PWM duty cycle.

2. Collector Current: Confirm that the collector current does not exceed the maximum rating of the 2N2222AUBC/TR, even at peak LED brightness.

3. Heat Dissipation: Evaluate the need for heat sinking, especially if the LED operates at high brightness for extended periods.

4. PWM Frequency: Choose a PWM frequency high enough to prevent visible flickering but within the switching capability of the transistor.

5. Signal Integrity: Minimize the length and impedance of the PWM signal path to ensure accurate brightness control.

6. Voltage Ratings: Verify that the supply voltage and the PWM signal voltage are compatible with the 2N2222AUBC/TR's specifications.

In summary, the 2N2222AUBC/TR is a versatile NPN transistor ideal for controlling LEDs in PWM dimming applications. By carefully considering its electrical characteristics and implementing proper circuit design practices, designers can effectively use this transistor to create efficient, compact, and reliable LED dimming solutions.

2N2222AUBC/TR FAQ

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6. What is the process for return or replacement of 2N2222AUBC/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 2N2222AUBC/TR we delivered, we will accept the replacement or return of the 2N2222AUBC/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 2N2222AUBC/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