Z0603C601FSMST Equivalent & Substitute Parts

Part Overview

The Z0603C601FSMST is a ferrite bead signal line filter manufactured by KEMET, designed for electromagnetic interference (EMI) suppression in 0603 (1608 Metric) surface mount applications. This component provides 600 Ohms impedance at 100 MHz with a maximum current rating of 350mA and typical DC resistance of 270mOhm.

The Z0603C601FSMST is classified as obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this ferrite bead specification.

Substiute Parts

Z0603C601FSMST

KEMETIn Stock: 688Z0603C601FSMST Datasheet

Current PartRFQ

MMZ1608Y601BTA00

TDK CorporationIn Stock: 69418MMZ1608Y601BTA00 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the Z0603C601FSMST are identified based on strict electrical and mechanical parameter matching within the ferrite bead signal line category. The substitution criteria are:

Primary Matching Parameters:

• Impedance specification: 600 Ohms @ 100 MHz
• Filter type: Signal Line (1 Line configuration)
• Package form factor: 0603 (1608 Metric) surface mount
• Operating temperature range: -55°C ~ 125°C
• Compliance certifications: ROHS3 Compliant, REACH Unaffected

Secondary Compatibility Parameters:

• Physical dimensions compatible with 0603 footprint
• Mounting type: Surface Mount
• Moisture sensitivity level: 1 (Unlimited)

The MMZ1608Y601BTA00 from TDK Corporation meets all primary and secondary matching parameters, establishing it as a direct functional equivalent for the obsolete Z0603C601FSMST.

Parameter Comparison

Engineering Selection Recommendations

The MMZ1608Y601BTA00 is the qualified substitute for the obsolete Z0603C601FSMST based on the following engineering criteria:

Electrical Compatibility: Both components provide identical impedance specification of 600 Ohms @ 100 MHz and operate across the same temperature range (-55°C ~ 125°C). The MMZ1608Y601BTA00 offers higher current rating (500mA versus 350mA), providing additional design margin for applications within the original specification envelope.

Mechanical Compatibility: Both parts utilize the 0603 (1608 Metric) surface mount package with identical maximum height (0.037" / 0.95mm), ensuring direct footprint compatibility on existing printed circuit boards.

Regulatory Compliance: Both components maintain ROHS3 compliance and REACH unaffected status, satisfying environmental and regulatory requirements equivalent to the original part.

Product Availability: The MMZ1608Y601BTA00 maintains active product status with substantial inventory availability, addressing supply chain continuity for the obsolete Z0603C601FSMST.

Frequently Asked Questions (FAQ)

Q: Can the MMZ1608Y601BTA00 be used as a direct replacement for the Z0603C601FSMST?

A: Yes. Both components share identical impedance specification (600 Ohms @ 100 MHz), filter type (Signal Line), package form factor (0603 / 1608 Metric), and operating temperature range (-55°C ~ 125°C). The MMZ1608Y601BTA00 is electrically and mechanically compatible for direct substitution.

Q: What are the differences between these two ferrite beads?

A: The primary differences are current rating and DC resistance. The MMZ1608Y601BTA00 provides higher current capacity (500mA versus 350mA) and higher DC resistance (400mOhm versus 270mOhm typical). These differences do not prevent substitution; the higher current rating provides additional design margin.

Q: Are both parts compliant with environmental regulations?

A: Yes. Both the Z0603C601FSMST and MMZ1608Y601BTA00 are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards.

Q: Will the MMZ1608Y601BTA00 fit the existing PCB footprint?

A: Yes. Both components use the 0603 (1608 Metric) surface mount package with identical maximum height specifications (0.037" / 0.95mm), ensuring compatibility with existing printed circuit board layouts and assembly processes.

Q: What is the moisture sensitivity level for the substitute part?

A: The MMZ1608Y601BTA00 has a Moisture Sensitivity Level (MSL) of 1 (Unlimited), identical to the original Z0603C601FSMST, requiring no changes to storage or handling procedures.

Q: Is the MMZ1608Y601BTA00 currently available?

A: Yes. The MMZ1608Y601BTA00 maintains active product status with substantial inventory availability, supporting immediate procurement for production requirements.