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Name: LQH3NPN4R7MMEL
Brand: Murata Electronics
SKU: LQH3NPN4R7MMEL
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Murata Electronics LQH3NPN4R7MMEL

Part No.:: LQH3NPN4R7MMEL

Manufacturer:: Murata Electronics

Package:: 1212 (3030 Metric)

Datasheet:: LQH3NPN4R7MMEL.pdf

Description:: FIXED IND 4.7UH 1A 120 MOHM SMD

In Stock:: 128735

Quantity:: Add To Cart

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LQH3NPN4R7MMEL 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:
4.7 µH
Tolerance:
±20%
CurrentRating(Amps):
1 A
Current-Saturation(Isat):
1.3A
Shielding:
Shielded
DCResistance(DCR):
120mOhm Max
Q@Freq:
-
Frequency-SelfResonant:
40MHz
Ratings:
-
OperatingTemperature:
-40°C ~ 105°C
InductanceFrequency-Test:
1 MHz
Features:
-
MountingType:
Surface Mount
Size/Dimension:
1212 (3030 Metric)

LQH3NPN4R7MMEL this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including LQH3NPN4R7MMEL 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 LQH3NPN4R7MMEL 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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LQH3NPN4R7MMEL information

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LQH3NPN4R7MMEL Typical application Circuitry

The LQH3NPN4R7MMEL is a fixed inductor by Murata, recognized for its significant role in electronic circuits, especially for energy storage, signal filtering, and maintaining a stable current flow. It's particularly effective in applications like power regulation circuits, RF signal processing, and noise suppression due to its stability and performance.

LQH3NPN4R7MMEL Specifications:

- Inductance: The LQH3NPN4R7MMEL offers an inductance of 4.7µH, making it suitable for circuits that require moderate inductance.

- Current Capacity: It can handle a maximum current of 1.5A.

- Resistance: The inductor exhibits a DC resistance of 0.062Ω, which can result in power loss as heat within the circuit.

- Physical Form: With its design, the LQH3NPN4R7MMEL is suited for surface-mount technology, advantageous for space-efficient PCB layouts.

Application in a Switching Power Supply Circuit:

The LQH3NPN4R7MMEL is commonly used in switching power supply circuits, where it assists in stabilizing the output voltage and managing transient currents.

Circuit Connection Overview:

- Placement of LQH3NPN4R7MMEL: In the power supply circuit, the LQH3NPN4R7MMEL is typically placed in series with the output. The input from the switching element (like a MOSFET or a transistor) connects to the first terminal of the LQH3NPN4R7MMEL (pin 1), and its second terminal (pin 2) connects to the positive side of the output capacitor and then to the load.

- Output Capacitor Integration: An output capacitor is connected in parallel with the load, working in conjunction with the LQH3NPN4R7MMEL to filter out ripple voltage and provide a stable output.

- Feedback for Voltage Regulation: A feedback mechanism is crucial to ensure that the output voltage remains constant. This typically involves a voltage divider connected to the output, feeding back into the control circuit to adjust the switching behavior as necessary.

- Diode Placement: A diode is often placed in parallel with the LQH3NPN4R7MMEL (cathode to pin 1, anode to pin 2) to manage voltage spikes and protect the circuit components from potential high-voltage transients.

Design Considerations:

- Current Rating Adherence: Ensure that the current through the LQH3NPN4R7MMEL does not exceed 1.5A to prevent inductor saturation and potential damage.

- Heat Dissipation: Given the 0.062Ω resistance, the LQH3NPN4R7MMEL will generate heat, necessitating efficient thermal management strategies, especially in compact or enclosed circuit designs.

- Frequency Compatibility: The LQH3NPN4R7MMEL operates effectively at certain frequencies. Matching the operating frequency of the switching power supply with the inductor's specifications is vital for maximizing efficiency.

- Space Optimization on PCB: Despite the LQH3NPN4R7MMEL's small size, adequate spacing on the PCB is essential to avoid electromagnetic interference with other components and to comply with the recommended footprint for optimal functionality.

In conclusion, the LQH3NPN4R7MMEL is integral to various electronic circuits, notably in switching power supplies where the stabilization of output voltage and management of transient currents are crucial. The design and incorporation of this inductor into a circuit require a thorough understanding of the circuit's requirements, considering aspects such as power handling, thermal management, and the physical layout of the PCB.

LQH3NPN4R7MMEL FAQ

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3. Are the LQH3NPN4R7MMEL price and inventory displayed accurate?

The price and inventory of LQH3NPN4R7MMEL 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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6. What is the process for return or replacement of LQH3NPN4R7MMEL?

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 LQH3NPN4R7MMEL we delivered, we will accept the replacement or return of the LQH3NPN4R7MMEL 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 LQH3NPN4R7MMEL.

(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