Z0402C220CSMST Equivalent & Substitute Parts

Part Overview

The Z0402C220CSMST is a 22 Ohm ferrite bead manufactured by KEMET, designed for single-line signal filtering applications in 0402 (1005 Metric) surface mount packages. This component operates at 100 MHz impedance with a maximum current rating of 400mA and DC resistance of 200mOhm. The part is classified as obsolete, necessitating identification of active equivalent alternatives that maintain electrical and mechanical compatibility for ongoing production and repair applications.

Substiute Parts

Z0402C220CSMST

KEMETIn Stock: 10819Z0402C220CSMST Datasheet

Current PartRFQ

BBSY00100505190Y00

Pulse ElectronicsIn Stock: 1117BBSY00100505190Y00 Datasheet

Parametric EquivalentRFQ

BBSY00100505220Y00

Pulse ElectronicsIn Stock: 1065BBSY00100505220Y00 Datasheet

Parametric EquivalentRFQ

MMZ1005D220CT000

TDK CorporationIn Stock: 25407MMZ1005D220CT000 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the Z0402C220CSMST ferrite bead is determined by the following critical parameters:

Primary Matching Criteria:

• Impedance @ 100 MHz: 22 Ohms (exact match required for signal filtering performance)
• Package / Case: 0402 (1005 Metric) (mechanical and footprint compatibility)
• Filter Type: Signal Line (functional classification)
• Number of Lines: 1 (circuit topology requirement)
• Operating Temperature Range: -55°C ~ 125°C (environmental specification)
• Mounting Type: Surface Mount (assembly process compatibility)

Secondary Compatibility Parameters:

• Current Rating (Max): Must equal or exceed 400mA
• DC Resistance (DCR) (Max): Must not exceed 200mOhm
• RoHS3 Compliance: Required for regulatory alignment
• MSL Rating: 1 (Unlimited) for storage and handling compatibility

Substitute parts meeting all primary criteria and maintaining secondary parameter specifications are electrically and mechanically interchangeable with the Z0402C220CSMST.

Parameter Comparison

Engineering Selection Recommendations

BBSY00100505220Y00 (Pulse Electronics)

This substitute provides exact impedance matching at 22 Ohms @ 100 MHz with enhanced current handling capability (500mA versus 400mA). DC resistance is reduced to 150mOhm, improving thermal performance. The part maintains identical operating temperature range, package dimensions, and regulatory compliance. Product status is active, ensuring long-term availability. Height specification is 0.024" (0.60mm), representing a 0.002" increase from the original part; this remains within typical PCB assembly tolerances for 0402 components.

MMZ1005D220CT000 (TDK Corporation)

This substitute delivers exact impedance matching at 22 Ohms @ 100 MHz with current rating and height specifications identical to the original Z0402C220CSMST. DC resistance is 170mOhm, positioned between the original specification and the Pulse Electronics alternative. The part maintains identical operating temperature range, package dimensions, and regulatory compliance. Product status is active with substantial inventory availability (25,300 pieces). This option provides the closest physical and electrical alignment to the original component.

Both substitutes satisfy all primary matching criteria and maintain secondary parameter specifications within acceptable engineering tolerances. Selection between alternatives depends on application-specific requirements for current capacity and thermal dissipation characteristics.

Frequently Asked Questions (FAQ)

Q: Can BBSY00100505220Y00 be used as a direct replacement for Z0402C220CSMST?

A: Yes. Both parts share identical impedance (22 Ohms @ 100 MHz), package (0402 1005 Metric), filter type (Signal Line), operating temperature range (-55°C ~ 125°C), and regulatory compliance (ROHS3). The BBSY00100505220Y00 provides superior current handling (500mA versus 400mA) and lower DC resistance (150mOhm versus 200mOhm). Height increases from 0.022" to 0.024", which remains within standard PCB assembly tolerances.

Q: Can MMZ1005D220CT000 be used as a direct replacement for Z0402C220CSMST?

A: Yes. Both parts share identical impedance (22 Ohms @ 100 MHz), package (0402 1005 Metric), filter type (Signal Line), current rating (400mA), operating temperature range (-55°C ~ 125°C), height (0.022"), and regulatory compliance (ROHS3). DC resistance is 170mOhm versus the original 200mOhm specification, representing improved performance.

Q: What is the significance of the 0402 (1005 Metric) package specification?

A: The 0402 package denotes physical dimensions of 0.039" length by 0.020" width (1.00mm x 0.50mm). All substitute parts maintain these footprint dimensions, ensuring compatibility with existing PCB layouts and automated assembly equipment. Height variations (0.022" to 0.024") do not affect footprint compatibility.

Q: Why is impedance @ 100 MHz the critical specification for substitution?

A: Ferrite beads function as frequency-dependent impedance elements. The 22 Ohms @ 100 MHz specification defines the filtering performance at the target frequency. Substitutes must match this impedance value to maintain signal integrity and EMI suppression characteristics in the circuit.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. Both BBSY00100505220Y00 and MMZ1005D220CT000 are ROHS3 compliant, matching the regulatory status of the original Z0402C220CSMST. All parts maintain MSL 1 (Unlimited) moisture sensitivity rating.

Q: What is the difference between Cut Tape (CT) and Tape & Reel (TR) packaging?

A: Cut Tape packaging provides individual component strips for manual or small-volume assembly. Tape & Reel packaging supplies components on continuous reels for high-volume automated assembly. Both packaging formats contain identical components; selection depends on production volume and assembly process requirements.

Q: How does DC resistance affect component selection?

A: DC resistance (DCR) determines power dissipation and thermal performance. Lower DCR values reduce heat generation. The original Z0402C220CSMST specifies 200mOhm maximum. Substitutes with lower DCR (BBSY00100505220Y00 at 150mOhm, MMZ1005D220CT000 at 170mOhm) provide improved thermal characteristics without compromising electrical function.

Q: Can BBSY00100505190Y00 substitute for Z0402C220CSMST?

A: No. BBSY00100505190Y00 has impedance of 19 Ohms @ 100 MHz, which does not match the required 22 Ohms @ 100 MHz specification. Impedance mismatch alters signal filtering performance and is not acceptable for direct substitution.