Z0805C560CSMST Ferrite Bead Equivalent & Substitute Parts

Part Overview

The Z0805C560CSMST is a 56 Ohm ferrite bead manufactured by KEMET in the 0805 (2012 Metric) surface mount package. This component is designed for single-line signal filtering applications with a maximum current rating of 600mA and DC resistance of 200mOhm. The part operates across the temperature range of -55°C to 125°C and is RoHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.

The Z0805C560CSMST has reached obsolete product status. Equivalent substitute parts are available from multiple manufacturers that maintain compatibility with the original electrical and mechanical specifications while offering active product availability.

Key Parameters

Parameter	Value
Impedance @ Frequency	56 Ohms @ 100 MHz
Current Rating (Max)	600mA
DC Resistance (DCR) (Max)	200mOhm
Package / Case	0805 (2012 Metric)
Mounting Type	Surface Mount
Operating Temperature	-55°C ~ 125°C
Filter Type	Signal Line
Number of Lines	1
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute ferrite beads for the Z0805C560CSMST are selected based on the following critical parameters:

Package Compatibility: All substitute parts must use the 0805 (2012 Metric) surface mount package with identical footprint dimensions of 0.079" L x 0.049" W (2.00mm x 1.25mm).

Electrical Performance: Substitute parts operate at 60 Ohms @ 100 MHz impedance, which represents a 7% increase from the original 56 Ohms specification. This impedance variance remains within acceptable tolerance for signal line ferrite bead applications. All substitutes maintain the single-line (1LN) configuration.

Current and Resistance Ratings: Substitute parts provide current ratings ranging from 800mA to 900mA, exceeding the original 600mA specification. DC resistance values range from 100mOhm to 150mOhm, representing improvements over the original 200mOhm maximum.

Environmental and Compliance: All substitute parts maintain the -55°C to 125°C operating temperature range, RoHS3 compliance, and MSL 1 (Unlimited) moisture sensitivity rating.

Product Status: All identified substitutes maintain active product status, ensuring continued availability and supply chain reliability.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Impedance @ 100 MHz	Current Rating (Max)	DCR (Max)	Package	Height (Max)	Operating Temp	Product Status	RoHS Status
Z0805C560CSMST	KEMET	56 Ohms	600mA	200mOhm	0805 (2012 Metric)	0.041" (1.05mm)	-55°C ~ 125°C	Obsolete	ROHS3 Compliant
BBGK00201209600Y00	Pulse Electronics	60 Ohms	900mA	100mOhm	0805 (2012 Metric)	0.043" (1.10mm)	-55°C ~ 125°C	Active	ROHS3 Compliant
BLM21BB600SN1D	Murata Electronics	60 Ohms	800mA	130mOhm	0805 (2012 Metric)	0.057" (1.45mm)	-55°C ~ 125°C	Active	ROHS3 Compliant
FB201209T-600Y-S-1	Cal-Chip Electronics, Inc.	60 Ohms	800mA	150mOhm	0805 (2012 Metric)	0.043" (1.10mm)	-55°C ~ 125°C	Active	RoHS Compliant
FCM 2012KF-600T09	TAI-TECH Advanced Electronics Co., Ltd.	60 Ohms	900mA	100mOhm	0805 (2012 Metric)	0.041" (1.05mm)	-55°C ~ 125°C	Active	RoHS Compliant
MU2029-600Y	Bourns Inc.	60 Ohms	900mA	100mOhm	0805 (2012 Metric)	0.043" (1.10mm)	-55°C ~ 125°C	Active	ROHS3 Compliant
WLBD2012K2U600TP	Walsin Technology Corporation	60 Ohms	800mA	150mOhm	0805 (2012 Metric)	0.043" (1.10mm)	-55°C ~ 125°C	Active	Not Specified

Engineering Selection Recommendations

Primary Substitutes for Direct Replacement:

The BBGK00201209600Y00 (Pulse Electronics), FCM 2012KF-600T09 (TAI-TECH), and MU2029-600Y (Bourns) offer the most favorable electrical characteristics among available substitutes. These parts provide 900mA current ratings with 100mOhm DC resistance, representing significant improvements over the original specification. All three maintain active product status and full RoHS3 compliance.

Secondary Substitutes:

The BLM21BB600SN1D (Murata Electronics EMIFIL® series) and WLBD2012K2U600TP (Walsin Technology) provide viable alternatives with 800mA current ratings and 130mOhm to 150mOhm DC resistance values. The Murata part carries the EMIFIL® brand designation and maintains ROHS3 compliance. The Walsin part does not specify RoHS status in available documentation.

Height Considerations:

The BLM21BB600SN1D exhibits a maximum height of 0.057" (1.45mm), which exceeds the original 0.041" (1.05mm) specification. This height differential may impact PCB layout in space-constrained applications. The BBGK00201209600Y00, FB201209T-600Y-S-1, FCM 2012KF-600T09, and MU2029-600Y maintain heights of 0.043" (1.10mm) or less, providing closer dimensional alignment with the original part.

Compliance Status:

All substitute parts maintain the -55°C to 125°C operating temperature range and MSL 1 (Unlimited) moisture sensitivity rating. The BBGK00201209600Y00, BLM21BB600SN1D, and MU2029-600Y carry explicit ROHS3 compliance certification. The FB201209T-600Y-S-1 and FCM 2012KF-600T09 are RoHS compliant without specific ROHS3 designation.

Frequently Asked Questions (FAQ)

Q: Can the Z0805C560CSMST be directly replaced with a 60 Ohm ferrite bead?

A: Yes. The 60 Ohm impedance at 100 MHz represents a 7% increase from the original 56 Ohm specification. This variance is acceptable for signal line ferrite bead applications where impedance tolerance is typically ±20%. All substitute parts maintain identical package dimensions and mounting characteristics.

Q: What is the significance of the current rating difference between the original part (600mA) and substitute parts (800mA to 900mA)?

A: Substitute parts with higher current ratings provide additional thermal margin and design flexibility. If the original application operates at or below 600mA, the higher-rated substitutes will perform identically while offering improved reliability headroom. No circuit redesign is required.

Q: Does the DC resistance difference affect circuit performance?

A: The original part specifies 200mOhm maximum DC resistance. Substitute parts range from 100mOhm to 150mOhm, representing improvements that reduce resistive losses in the signal path. Lower DC resistance values enhance overall circuit efficiency without requiring design modifications.

Q: Are all substitute parts available in the same packaging format?

A: All substitute parts are supplied in Tape & Reel (TR) packaging, while the original Z0805C560CSMST was supplied in Cut Tape (CT) format. Both packaging formats are compatible with standard surface mount assembly equipment. Tape & Reel packaging typically offers better handling characteristics for high-volume production.

Q: What is the importance of the 0805 (2012 Metric) package specification?

A: The 0805 (2012 Metric) package designation ensures PCB footprint compatibility. All substitute parts maintain identical footprint dimensions of 0.079" L x 0.049" W (2.00mm x 1.25mm), allowing direct placement on existing PCB designs without layout modifications.

Q: How does the MSL 1 (Unlimited) rating affect component handling?

A: MSL 1 (Unlimited) moisture sensitivity rating indicates that the component does not require special moisture control during storage or handling. This classification simplifies supply chain management and reduces storage costs compared to higher MSL-rated components.

Q: Which substitute part offers the closest dimensional match to the original?

A: The FCM 2012KF-600T09 (TAI-TECH) and Z0805C560CSMST both specify a maximum height of 0.041" (1.05mm), providing the closest dimensional alignment. The BBGK00201209600Y00 and MU2029-600Y follow closely at 0.043" (1.10mm). The BLM21BB600SN1D at 0.057" (1.45mm) represents the largest height variance.

Q: Are all substitute parts RoHS3 compliant?

A: The BBGK00201209600Y00, BLM21BB600SN1D, and MU2029-600Y carry explicit ROHS3 compliance certification. The FB201209T-600Y-S-1 and FCM 2012KF-600T09 are RoHS compliant without specific ROHS3 designation. The WLBD2012K2U600TP does not specify RoHS status in available documentation.

Q: What is the primary advantage of selecting an active product status substitute?

A: Active product status ensures continued manufacturing, supply chain availability, and long-term component sourcing reliability. The original Z0805C560CSMST has reached obsolete status, making active substitutes essential for new designs and production continuity.

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