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Name: LQH3NPN220MMEL
Brand: Murata Electronics
SKU: LQH3NPN220MMEL
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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Murata Electronics LQH3NPN220MMEL

Part No.:: LQH3NPN220MMEL

Manufacturer:: Murata Electronics

Package:: 1212 (3030 Metric)

Datasheet:: LQH3NPN220MMEL.pdf

Description:: FIXED IND 22UH 540MA 480MOHM SMD

In Stock:: 32791

Quantity:: Add To Cart

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LQH3NPN220MMEL Specifications

Package/Case:
1212 (3030 Metric)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
LQH3
ProductStatus:
Active
Type:
Drum Core, Wirewound
Material-Core:
Ferrite
Inductance:
22 µH
Tolerance:
±20%
CurrentRating(Amps):
540 mA
Current-Saturation(Isat):
570mA
Shielding:
Shielded
DCResistance(DCR):
480mOhm Max
Q@Freq:
-
Frequency-SelfResonant:
10MHz
Ratings:
-
OperatingTemperature:
-40°C ~ 105°C
InductanceFrequency-Test:
1 MHz
Features:
-
MountingType:
Surface Mount
Size/Dimension:
1212 (3030 Metric)

LQH3NPN220MMEL this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including LQH3NPN220MMEL 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 LQH3NPN220MMEL 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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LQH3NPN220MMEL information

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LQH3NPN220MMEL Typical application Circuitry

The LQH3NPN220MMEL is a fixed inductor manufactured by Murata, primarily used in electronic circuits for its energy storage, signal filtering, and maintaining a stable current flow. It's particularly suited for power supply circuits, noise suppression in signal lines, and ensuring the stability of sensitive electronic components.

LQH3NPN220MMEL Specifications:

- Inductance: The LQH3NPN220MMEL offers an inductance of 22µH, making it suitable for circuits that require moderate inductance.

- Current Capacity: It can handle a maximum current of 1.0A.

- Resistance: The inductor exhibits a DC resistance of 0.24Ω, which can result in power loss as heat within the circuit.

- Physical Form: With its design, the LQH3NPN220MMEL is suited for surface-mount technology, advantageous for compact PCB layouts.

Utilization in an LED Driver Circuit:

The LQH3NPN220MMEL is often used in LED driver circuits to provide a stable current flow to the LEDs, ensuring consistent brightness and prolonging the life of the LEDs.

Circuit Connection Strategy:

1. Incorporation of LQH3NPN220MMEL:

In the LED driver circuit, the LQH3NPN220MMEL is typically placed in series with the LED array. Connect the power source to the first terminal of the LQH3NPN220MMEL (pin 1), and its second terminal (pin 2) leads to the anode of the first LED in the series.

- Current Regulation: The LQH3NPN220MMEL, by virtue of its inductance, helps in maintaining a stable current through the LEDs, protecting them from current surges that may occur in the power supply.

- LED Array Configuration: The cathode of the last LED in the series is connected to the ground, completing the circuit.

2. Output Capacitor for Stability (if needed):

Depending on the specific design, a capacitor may be connected in parallel with the LED array to help stabilize the voltage and protect the LEDs from voltage spikes.

- Feedback Mechanism (for adjustable drivers): In adjustable LED drivers, a feedback mechanism is often employed, involving a connection from the output back to a control circuit. This setup ensures that the brightness of the LEDs can be modulated as per requirements.

Design Considerations:

- Current Rating Compliance: Ensure that the current through the LQH3NPN220MMEL does not exceed 1.0A to prevent inductor saturation and potential damage.

- Heat Management: Given the 0.24Ω resistance, the LQH3NPN220MMEL will generate heat. Efficient heat dissipation methods should be employed, especially in dense or enclosed circuit designs.

- Frequency Compatibility: The LQH3NPN220MMEL operates effectively at specific frequencies. It's important to match the operating frequency of the LED driver with the inductor's characteristics for optimal performance.

- Spatial Layout on PCB: Although the LQH3NPN220MMEL is compact, ensure sufficient space is provided on the PCB to minimize electromagnetic interaction with adjacent components and to adhere to the recommended footprint for optimal functionality.

In summary, the LQH3NPN220MMEL is integral to various electronic circuits, especially in LED driver systems where maintaining a stable and precise current is crucial. Designing circuits with the LQH3NPN220MMEL requires a thorough understanding of the circuit's requirements, encompassing power handling, thermal management, and the physical layout of the components.

LQH3NPN220MMEL FAQ

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3. Are the LQH3NPN220MMEL price and inventory displayed accurate?

The price and inventory of LQH3NPN220MMEL fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

6. What is the process for return or replacement of LQH3NPN220MMEL?

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 LQH3NPN220MMEL we delivered, we will accept the replacement or return of the LQH3NPN220MMEL 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 LQH3NPN220MMEL.

(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