Z0603C220ASMST Equivalent & Substitute Parts

Part Overview

The Z0603C220ASMST is a 22 Ohm ferrite bead manufactured by KEMET in the 0603 (1608 Metric) surface mount package. This component is classified as a signal line ferrite bead with a single signal line configuration, rated for 1.5A maximum current and 50mOhm maximum DC resistance at 100 MHz impedance specification. The product is currently obsolete, necessitating identification of active equivalent and substitute components that maintain functional compatibility within the same package and electrical parameter range.

Key Parameters

Parameter	Value
Manufacturer Part Number	Z0603C220ASMST
Manufacturer	KEMET
Series	Z-SMS
Package / Case	0603 (1608 Metric)
Mounting Type	Surface Mount
Filter Type	Signal Line
Number of Lines	1
Impedance @ Frequency	22 Ohms @ 100 MHz
Current Rating (Max)	1.5A
DC Resistance (DCR) (Max)	50mOhm
Operating Temperature	-55°C ~ 125°C
Height (Max)	0.037" (0.95mm)
Size / Dimension	0.063" L x 0.031" W (1.60mm x 0.80mm)
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the Z0603C220ASMST is determined by the following critical parameters:

Mandatory Matching Parameters:

Package / Case: 0603 (1608 Metric)
Mounting Type: Surface Mount
Number of Lines: 1
Operating Temperature Range: -55°C ~ 125°C
Impedance @ Frequency: 22 Ohms @ 100 MHz (primary electrical specification)

Allowable Parameter Variations:

Current Rating (Max): Substitute parts with equal or higher current ratings (≥1.5A) are acceptable
DC Resistance (DCR) (Max): Substitute parts with equal or lower DCR values (≤50mOhm) are acceptable
Filter Type: Signal line and power line ferrite beads are functionally interchangeable in this package configuration
Height (Max): Substitute parts with height ≤0.037" (0.95mm) are acceptable
Product Status: Active status preferred for long-term availability

The substitute parts listed below meet all mandatory matching parameters and fall within allowable variations for current rating and DC resistance.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Impedance @ 100 MHz	Current Rating (Max)	DCR (Max)	Filter Type	Product Status	Packaging	RoHS Status
Z0603C220ASMST	KEMET	22 Ohms	1.5A	50mOhm	Signal Line	Obsolete	Cut Tape (CT)	ROHS3 Compliant
BBPY00160808220Y00	Pulse Electronics	22 Ohms	3A	30mOhm	Power Line	Active	Tape & Reel (TR)	ROHS3 Compliant
FBH160808T-220Y-S	Cal-Chip Electronics, Inc.	22 Ohms	3A	40mOhm	Power Line	Active	Tape & Reel (TR)	RoHS Compliant
BBPY00160808190Y00	Pulse Electronics	19 Ohms	3A	30mOhm	Power Line	Active	Tape & Reel (TR)	ROHS3 Compliant
BBPY00160808250Y00	Pulse Electronics	25 Ohms	3A	30mOhm	Power Line	Active	Tape & Reel (TR)	ROHS3 Compliant
BBPY00160808260Y00	Pulse Electronics	26 Ohms	3A	30mOhm	Power Line	Active	Tape & Reel (TR)	ROHS3 Compliant
FBH160808T-190Y-S	Cal-Chip Electronics, Inc.	19 Ohms	3A	40mOhm	Power Line	Active	Tape & Reel (TR)	RoHS Compliant
HCB05-250-RC	Allied Components International	25 Ohms	3A	30mOhm	Power Line	Active	Tape & Reel (TR)	RoHS Compliant

Engineering Selection Recommendations

Primary Substitute (Exact Impedance Match):

BBPY00160808220Y00 (Pulse Electronics) is the direct parametric equivalent with identical 22 Ohm impedance at 100 MHz. This part is active status, ROHS3 compliant, and provides superior electrical performance with 3A current rating and 30mOhm DCR compared to the obsolete KEMET original. Tape & Reel packaging is standard for production environments.

FBH160808T-220Y-S (Cal-Chip Electronics, Inc.) is an alternative direct impedance match with active status and RoHS compliance. This part maintains 22 Ohm impedance with 3A current rating and 40mOhm DCR, suitable for applications where Cal-Chip supply chain is preferred.

Secondary Substitutes (Impedance Tolerance Range):

BBPY00160808190Y00, BBPY00160808250Y00, and BBPY00160808260Y00 (Pulse Electronics) provide impedance values within ±15% of the original 22 Ohm specification. These parts are active status with ROHS3 compliance and enhanced current ratings (3A). Selection from this group is appropriate for applications with impedance tolerance specifications.

FBH160808T-190Y-S (Cal-Chip Electronics, Inc.) provides 19 Ohm impedance with active status and RoHS compliance, suitable for applications accepting ±15% impedance variation.

HCB05-250-RC (Allied Components International) provides 25 Ohm impedance with active status and RoHS compliance, suitable for applications accepting ±15% impedance variation.

All substitute parts maintain the 0603 (1608 Metric) package, single line configuration, and -55°C to 125°C operating temperature range of the original component.

Frequently Asked Questions (FAQ)

Q: Can BBPY00160808220Y00 directly replace Z0603C220ASMST in all applications?

A: BBPY00160808220Y00 maintains identical impedance (22 Ohms @ 100 MHz), package (0603), mounting type (surface mount), and operating temperature range. The substitute provides higher current rating (3A vs. 1.5A) and lower DCR (30mOhm vs. 50mOhm), making it functionally compatible. Packaging format differs (Tape & Reel vs. Cut Tape), which affects procurement and assembly processes but not electrical performance.

Q: What is the impedance tolerance for substitute parts with different ohm ratings?

A: BBPY00160808190Y00 (19 Ohms), BBPY00160808250Y00 (25 Ohms), and BBPY00160808260Y00 (26 Ohms) represent ±15% impedance variation from the original 22 Ohm specification. These parts are acceptable substitutes only in applications with documented impedance tolerance specifications that accommodate this range.

Q: Are power line ferrite beads compatible with signal line applications?

A: Power line and signal line ferrite beads in the same package with matching impedance, current rating, and operating temperature specifications are functionally interchangeable. The filter type designation reflects typical application context rather than fundamental electrical incompatibility. Substitute parts classified as power line ferrite beads are suitable for signal line applications.

Q: What is the significance of DCR (DC Resistance) differences between the original and substitutes?

A: The original Z0603C220ASMST specifies 50mOhm maximum DCR. Substitute parts with lower DCR values (30mOhm or 40mOhm) provide improved performance with reduced insertion loss and heat generation. Lower DCR is not a limitation for substitution; it represents an enhancement.

Q: Does the change from Cut Tape to Tape & Reel packaging affect electrical performance?

A: Packaging format (Cut Tape vs. Tape & Reel) affects procurement, storage, and assembly processes but does not alter electrical characteristics. All substitute parts maintain identical electrical specifications within their respective parameter ranges.

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

A: FBH160808T-220Y-S (Cal-Chip Electronics, Inc.) and BBPY00160808220Y00 (Pulse Electronics) both maintain active product status with exact impedance matching. Both manufacturers provide established supply chains for 0603 ferrite bead components. Selection between these two should be based on existing supplier relationships and inventory management practices.

Q: Are all substitute parts RoHS compliant?

A: All substitute parts listed are RoHS compliant. The original Z0603C220ASMST is ROHS3 compliant. Substitute parts from Pulse Electronics are ROHS3 compliant; substitute parts from Cal-Chip Electronics, Inc. and Allied Components International are RoHS compliant. Both compliance levels are acceptable for applications requiring RoHS certification.

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