CIC21P221NE Ferrite Bead Equivalent & Substitute Parts

Part Overview

The CIC21P221NE is a 220 Ohm power line ferrite bead manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) surface mount package. This component is designed for electromagnetic interference (EMI) suppression in single-line power applications with a maximum current rating of 3.2A and DC resistance of 35mOhm. The part is classified as obsolete, necessitating identification of active substitute components that maintain functional compatibility within specified electrical and mechanical parameters.

Substiute Parts

CIC21P221NE

Samsung Electro-MechanicsIn Stock: 17477CIC21P221NE Datasheet

Current PartRFQ

FBU201209T-181Y-S

Cal-Chip Electronics, Inc.In Stock: 60951FBU201209T-181Y-S Datasheet

Parametric EquivalentRFQ

HFZ 2012PF-181T40

TAI-TECH Advanced Electronics Co., Ltd.In Stock: 7033HFZ 2012PF-181T40 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute ferrite beads for the CIC21P221NE are identified based on strict parameter alignment within the following criteria:

Mandatory Matching Parameters:

• Package / Case: 0805 (2012 Metric)
• Mounting Type: Surface Mount
• Filter Type: Power Line
• Number of Lines: 1
• Operating Temperature Range: -55°C ~ 125°C
• Moisture Sensitivity Level: 1 (Unlimited)

Allowable Parameter Variance:

• Impedance @ Frequency: Substitute parts rated at 180 Ohms @ 100 MHz are acceptable as they fall within the functional range for power line EMI suppression applications
• Current Rating (Max): Substitute parts with equal or higher current ratings (4A) are acceptable
• DC Resistance (DCR) (Max): Substitute parts with equal or lower DCR values (20mOhm to 30mOhm) are acceptable

Both identified substitutes meet these criteria and maintain active product status with current manufacturing availability.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: HFZ 2012PF-181T40

The HFZ 2012PF-181T40 from TAI-TECH Advanced Electronics is the preferred substitute based on superior electrical performance. This component provides lower DC resistance (20mOhm versus 35mOhm), resulting in reduced power dissipation and improved thermal characteristics. The higher current rating (4A versus 3.2A) provides additional design margin. Active product status ensures long-term availability and supply chain stability. RoHS compliance and MSL 1 rating maintain environmental and manufacturing process compatibility.

Secondary Substitute: FBU201209T-181Y-S

The FBU201209T-181Y-S from Cal-Chip Electronics serves as an alternative substitute with comparable performance characteristics. DC resistance of 30mOhm is lower than the original part, and the 4A current rating exceeds original specifications. Active product status and Tape & Reel packaging support production-scale deployment. This component is suitable where primary substitute availability is constrained.

Both substitutes maintain identical mechanical compatibility (0805 package, surface mount, identical footprint dimensions) and thermal operating range (-55°C to 125°C). Selection between the two substitutes depends on supply availability, cost considerations, and specific application requirements for impedance matching at 100 MHz.

Frequently Asked Questions (FAQ)

Q: Why is the impedance different between the main part and substitutes?

A: The CIC21P221NE operates at 220 Ohms @ 100 MHz, while both substitutes are rated at 180 Ohms @ 100 MHz. Both impedance values are acceptable for power line ferrite bead applications within the 0805 package category. The 180 Ohm rating provides adequate EMI suppression for single-line power filtering while offering improved electrical performance through lower DC resistance.

Q: Are the substitute parts physically compatible with the original PCB layout?

A: Yes. Both substitute parts use the identical 0805 (2012 Metric) package with matching footprint dimensions of 0.079" L x 0.049" W (2.00mm x 1.25mm). Height specifications are comparable (0.041" to 0.043"), ensuring compatibility with existing PCB designs and assembly processes without layout modifications.

Q: What is the significance of the lower DC resistance in the substitutes?

A: Lower DC resistance (20mOhm to 30mOhm versus 35mOhm) reduces resistive power loss during operation. This results in lower heat generation, improved efficiency, and extended component lifespan. The substitutes maintain the same current rating capability or exceed it, providing enhanced thermal performance.

Q: Do the substitutes meet the same environmental and compliance standards?

A: Both substitutes are RoHS compliant and carry MSL 1 (Unlimited) moisture sensitivity ratings, matching the original part's environmental specifications. Operating temperature ranges are identical (-55°C to 125°C). Both substitutes maintain REACH compliance status. These certifications ensure compatibility with current manufacturing and environmental regulations.

Q: What is the difference between the two substitute options?

A: The HFZ 2012PF-181T40 provides superior DC resistance performance (20mOhm) compared to the FBU201209T-181Y-S (30mOhm). Both offer 4A current ratings and active product status. Selection depends on supply chain availability, cost factors, and specific application requirements for thermal performance and power dissipation characteristics.

Q: Can these substitutes be used interchangeably in production?

A: Both substitutes meet the mandatory parameter requirements for mechanical fit, electrical function, and environmental compliance. They can be used interchangeably from a design compatibility perspective. Production implementation should account for supply availability, lead times, and cost optimization between the two options.