CIB10P330NC Ferrite Bead 33 Ohm 0603 Equivalent & Substitute Parts

Part Overview

The CIB10P330NC is a single-line ferrite bead manufactured by Samsung Electro-Mechanics in the 0603 (1608 Metric) surface mount package. This component provides 33 Ohms impedance at 100 MHz with a maximum current rating of 1A and 80mOhm DC resistance. The part is classified as obsolete, making equivalent and substitute components necessary for ongoing design support and procurement.

Ferrite beads function as passive EMI filters in signal and power distribution circuits. The CIB10P330NC operates across the temperature range of -55°C to 125°C and complies with RoHS3 and REACH regulations.

Key Parameters

Parameter	Value
Manufacturer Part Number	CIB10P330NC
Manufacturer	Samsung Electro-Mechanics
Series	CIB10
Package / Case	0603 (1608 Metric)
Mounting Type	Surface Mount
Number of Lines	1
Impedance @ Frequency	33 Ohms @ 100 MHz
Current Rating (Max)	1A
DC Resistance (DCR) (Max)	80mOhm
Operating Temperature	-55°C ~ 125°C
Height (Max)	0.037" (0.95mm)
Size / Dimension	0.063" L x 0.032" W (1.60mm x 0.80mm)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the CIB10P330NC is determined by the following critical parameters:

Package Compatibility: All substitute parts must use the 0603 (1608 Metric) surface mount package with identical mounting type and physical dimensions to ensure PCB layout compatibility.

Electrical Performance: Substitute parts must operate within the same impedance range at 100 MHz. The CIB10P330NC specifies 33 Ohms; substitute parts rated at 30-31 Ohms at 100 MHz are functionally equivalent within standard ferrite bead tolerance specifications.

Current Rating: The CIB10P330NC supports 1A maximum current. Substitute parts with equal or higher current ratings (1A, 1.5A, or 1.8A) are acceptable for direct replacement.

DC Resistance: The CIB10P330NC specifies 80mOhm maximum DCR. Substitute parts with DCR values of 30mOhm to 60mOhm represent improved performance characteristics and are acceptable substitutes.

Operating Temperature Range: All substitute parts must support the -55°C to 125°C operating temperature range.

Regulatory Compliance: All substitute parts must maintain RoHS3 compliance and MSL Level 1 rating for moisture sensitivity.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Impedance @ 100 MHz	Current Rating (Max)	DCR (Max)	Package	Height (Max)	Operating Temperature	Product Status	RoHS Status
CIB10P330NC	Samsung Electro-Mechanics	33 Ohms	1A	80mOhm	0603 (1608 Metric)	0.037" (0.95mm)	-55°C ~ 125°C	Obsolete	ROHS3 Compliant
742792601	Würth Elektronik	30 Ohms	1A	30mOhm	0603 (1608 Metric)	0.039" (1.00mm)	-55°C ~ 125°C	Active	ROHS3 Compliant
ACML-0603H-310-T	Abracon LLC	31 Ohms	1.5A	50mOhm	0603 (1608 Metric)	0.037" (0.95mm)	-55°C ~ 125°C	Active	ROHS3 Compliant
ACML-0603U-300-T	Abracon LLC	30 Ohms	1.8A	60mOhm	0603 (1608 Metric)	0.037" (0.95mm)	-55°C ~ 125°C	Active	ROHS3 Compliant
BLM18PG300SN1D	Murata Electronics	30 Ohms	1A	50mOhm	0603 (1608 Metric)	0.037" (0.95mm)	-55°C ~ 125°C	Active	ROHS3 Compliant
GZ1608D300TF	Shenzhen Sunlord Electronics Co., Ltd.	30 Ohms	2A	50mOhm	0603 (1608 Metric)	0.037" (0.95mm)	-55°C ~ 125°C	Active	ROHS3 Compliant
GZ1608U300TF	Shenzhen Sunlord Electronics Co., Ltd.	30 Ohms	2A	50mOhm	0603 (1608 Metric)	0.037" (0.95mm)	-55°C ~ 125°C	Active	ROHS3 Compliant
MMZ1608R300ATA00	TDK Corporation	30 Ohms	1.5A	50mOhm	0603 (1608 Metric)	0.037" (0.95mm)	-55°C ~ 125°C	Active	ROHS3 Compliant
MMZ1608Y300BTA00	TDK Corporation	30 Ohms	1.5A	50mOhm	0603 (1608 Metric)	0.037" (0.95mm)	-55°C ~ 125°C	Active	ROHS3 Compliant
MPZ1608D300BTA00	TDK Corporation	30 Ohms	1.8A	60mOhm	0603 (1608 Metric)	0.037" (0.95mm)	-55°C ~ 125°C	Active	ROHS3 Compliant
UPZ1608G300-1R8TF	Shenzhen Sunlord Electronics Co., Ltd.	30 Ohms	1.8A	60mOhm	0603 (1608 Metric)	0.037" (0.95mm)	-55°C ~ 125°C	Active	ROHS3 Compliant

Engineering Selection Recommendations

All listed substitute parts are active production components from established manufacturers, providing long-term availability and supply chain stability compared to the obsolete CIB10P330NC.

Direct Electrical Equivalents: The BLM18PG300SN1D (Murata Electronics) and MMZ1608R300ATA00 (TDK Corporation) provide the closest electrical match with 30 Ohms impedance at 100 MHz, 1A current rating, and 50mOhm DCR. Both maintain identical package dimensions and operating temperature specifications.

Enhanced Performance Substitutes: The GZ1608D300TF and GZ1608U300TF (Shenzhen Sunlord Electronics) offer improved current handling at 2A while maintaining 30 Ohms impedance and 50mOhm DCR. These parts are suitable for applications requiring higher current margins.

Power Line Applications: The ACML-0603U-300-T (Abracon LLC), MPZ1608D300BTA00 (TDK Corporation), and UPZ1608G300-1R8TF (Shenzhen Sunlord Electronics) are specified for power line filtering with 1.8A current ratings and 60mOhm DCR, providing enhanced performance for power distribution circuits.

All substitute parts comply with RoHS3 regulations and maintain MSL Level 1 moisture sensitivity ratings, ensuring compatibility with standard PCB assembly processes.

Frequently Asked Questions (FAQ)

Q: Can I use a 30 Ohm ferrite bead as a direct replacement for the 33 Ohm CIB10P330NC?

A: Yes. Ferrite bead impedance values of 30-31 Ohms at 100 MHz are functionally equivalent to 33 Ohms within standard component tolerance specifications. The impedance difference of 3 Ohms represents approximately 9% variation, which is within typical ferrite bead manufacturing tolerances and does not affect circuit performance in standard EMI filtering applications.

Q: What is the significance of the different filter type designations (Signal Line vs. Power Line)?

A: Filter type indicates the intended application circuit. Signal Line ferrite beads are optimized for low-current signal paths, while Power Line ferrite beads are designed for higher-current power distribution circuits. Both types are electrically compatible with the CIB10P330NC in terms of impedance and package, but Power Line variants offer higher current ratings (1.8A) and may have different core material compositions optimized for power applications.

Q: Are there any physical dimension differences that could affect PCB layout?

A: The substitute parts maintain the 0603 (1608 Metric) package standard. The Würth Elektronik 742792601 has a maximum height of 0.039" (1.00mm) compared to 0.037" (0.95mm) for most other substitutes. This 0.02mm difference is negligible for standard PCB assembly and does not require layout modifications. All parts maintain identical length and width dimensions of 0.063" L x 0.032" W (1.60mm x 0.80mm).

Q: Which substitute offers the best long-term availability?

A: The BLM18PG300SN1D (Murata Electronics EMIFIL® series) and MMZ1608Y300BTA00 (TDK Corporation MMZ series) demonstrate the highest inventory levels (21,400 and 85,300 units respectively) and are established active production components from tier-one manufacturers, indicating strong long-term supply chain support.

Q: Can I use a substitute with higher current rating than the original 1A specification?

A: Yes. Substitute parts with current ratings of 1.5A or 1.8A are fully compatible and provide additional design margin. Higher current ratings do not negatively affect circuit performance and allow for future design flexibility or thermal margin improvements.

Q: What packaging formats are available for these substitutes?

A: The CIB10P330NC is supplied in Tape & Reel (TR) format. Substitute parts are available in Tape & Reel (TR), Cut Tape (CT) & Digi-Reel®, or unspecified packaging formats. All formats are compatible with standard PCB assembly equipment and processes.

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