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BOURNS CM453232 - 331KL: A High - Performance High - Frequency Inductor

Part No.:: CM453232-331KL

Manufacturer:: Bourns Inc.

Package:: 1812 (4532 Metric)

Datasheet:: CM453232-331KL.pdf

Description:: FIXED IND 330UH 85MA 14 OHM SMD

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Details
Specifications
Comparison

	1. Product Overview

The BOURNS CM453232 - 331KL is a high - performance surface - mount high - frequency inductor. It belongs to the CM453232 series, which is renowned for its reliability and efficiency in electronic circuits. Measuring 4.5mm x 3.2mm x 3.2mm, it features a compact design that allows for space - saving on printed circuit boards (PCBs).

	2. Key Electrical Specifications

	
			Inductance Value: This inductor has a nominal inductance of 330μH with a tolerance of ±10%. The precise inductance value makes it suitable for applications where accurate energy storage and transfer are crucial.
		

	
			DC Current Rating: It can handle a DC current rating of 85 mA. This relatively high current - handling capacity enables it to be used in power - demanding circuits without significant performance degradation.
		

	
			Self - Resonant Frequency: The self - resonant frequency of the CM453232 - 331KL is 3.5 MHz. This characteristic is vital for high - frequency applications, ensuring stable operation within the specified frequency range.
		

DC Resistance (DCR): With a maximum DC resistance of 14 ohm, the inductor minimizes power losses in the circuit. Low DCR is essential for maintaining high efficiency, especially in circuits where power conservation is a priority.

	3. Construction and Design Advantages

	
			Core Material: The inductor uses a ferrite core, which offers excellent magnetic properties. Ferrite cores are known for their high magnetic permeability, low eddy - current losses, and good temperature stability. This results in enhanced inductance performance and reduced energy dissipation.
		

	
			Unshielded Construction: Although it has an unshielded design, the inductor is carefully engineered to minimize external interference while still providing efficient magnetic coupling within the circuit. The unshielded construction also contributes to its cost - effectiveness without sacrificing too much in terms of performance for many applications.
		

Surface - Mount Design: The 1812 (4532 metric) surface - mount package of the CM453232 - 331KL is designed for easy and accurate automated assembly. This not only speeds up the manufacturing process but also ensures consistent and reliable electrical connections on the PCB.

	4. Applications

	
			RF Modules: In radio - frequency (RF) applications, the BOURNS CM453232 - 331KL is used to filter and tune signals. Its high - frequency stability and accurate inductance value make it an ideal choice for RF circuits in wireless communication devices such as mobile phones, Wi - Fi routers, and Bluetooth modules.
		

	
			Consumer Electronics: It finds applications in various consumer electronics products like laptops, tablets, and high - end audio equipment. In these devices, the inductor helps in power management circuits, ensuring stable power supply and reducing electrical noise.
		

	For more insights into the BOURNS CM453232 - 331KL or to source top - quality components, check out www.hkhaochip.com. Whether you're a startup developing new products or a large enterprise seeking bulk orders, this platform offers valuable resources to meet your needs.

Product attributes: Attribute value

Manufacturer:: Bourns Inc.

Series:: CM45

Package/Case:: 1812 (4532 Metric)

Packaging:: Tape & Reel (TR)

Product Status:: Active

Resistance:: Drum Core, Wirewound

Tolerance:: Ferrite

Power (Watts):: 330 µH

Composition:: ±10%

Features:: 85 mA

Temperature Coefficient:: -

Operating Temperature:: Unshielded

Supplier Device Package:: 14Ohm Max

Ratings:: 40 @ 796kHz

Size / Dimension:: 3.5MHz

Height - Seated (Max):: -

Number of Terminations:: -40°C ~ 125°C

Failure Rate:: 796 kHz

Category:: Accessories

Datasheet:: CM453232-331KL.pdf

Image
Part Number	CVH252009-2R2M	SRN4018-2R2M	RLB0914-681KL	SRN4018-1R0Y	SRN4018-4R7M
Manufacturer	Bourns Inc.	Bourns Inc.	Bourns Inc.	Bourns Inc.	Bourns Inc.
Series	CM45	CM45	CM45	CM45	CM45
Package/Case	1812 (4532 Metric)	1812 (4532 Metric)	1812 (4532 Metric)	1812 (4532 Metric)	1812 (4532 Metric)
Packaging	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)
Product Status	Active	Active	Active	Active	Active
Type	Drum Core, Wirewound	Drum Core, Wirewound	Drum Core, Wirewound	Drum Core, Wirewound	Drum Core, Wirewound
Material - Core	Ferrite	Ferrite	Ferrite	Ferrite	Ferrite
Inductance	330 µH	330 µH	330 µH	330 µH	330 µH
Tolerance	±10%	±10%	±10%	±10%	±10%
Current Rating (Amps)	85 mA	85 mA	85 mA	85 mA	85 mA
Current - Saturation (Isat)	-	-	-	-	-
Shielding	Unshielded	Unshielded	Unshielded	Unshielded	Unshielded
DC Resistance (DCR)	14Ohm Max	14Ohm Max	14Ohm Max	14Ohm Max	14Ohm Max
Q @ Freq	40 @ 796kHz	40 @ 796kHz	40 @ 796kHz	40 @ 796kHz	40 @ 796kHz
Frequency - Self Resonant	3.5MHz	3.5MHz	3.5MHz	3.5MHz	3.5MHz
Ratings	-	-	-	-	-
Operating Temperature	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C
Inductance Frequency - Test	796 kHz	796 kHz	796 kHz	796 kHz	796 kHz
Features	-	-	-	-	-
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Supplier Device Package	1812	1812	1812	1812	1812
Size / Dimension	0.177" L x 0.126" W (4.50mm x 3.20mm)	0.177" L x 0.126" W (4.50mm x 3.20mm)	0.177" L x 0.126" W (4.50mm x 3.20mm)	0.177" L x 0.126" W (4.50mm x 3.20mm)	0.177" L x 0.126" W (4.50mm x 3.20mm)
Height - Seated (Max)	0.134" (3.40mm)	0.134" (3.40mm)	0.134" (3.40mm)	0.134" (3.40mm)	0.134" (3.40mm)

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