Z0402C221APMST Equivalent & Substitute Parts

Part Overview

The Z0402C221APMST is a 220 Ohm ferrite bead designed for power line filtering applications in 0402 (1005 Metric) surface mount packages. This component operates at 100 MHz impedance with a maximum DC resistance of 200 mOhm and supports operating temperatures from -55°C to 125°C. The part is classified as obsolete, necessitating identification of equivalent alternatives for ongoing design requirements and procurement needs.

Substiute Parts

Z0402C221APMST

KEMETIn Stock: 10949Z0402C221APMST Datasheet

Current PartRFQ

Z0402C221BPMST

KEMETIn Stock: 10962Z0402C221BPMST Datasheet

Parametric EquivalentRFQ

MPZ1005S221ET000

TDK CorporationIn Stock: 105253MPZ1005S221ET000 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Z0402C221APMST is determined by the following critical parameters:

Mandatory Matching Parameters:

• Impedance @ Frequency: 220 Ohms @ 100 MHz
• Package / Case: 0402 (1005 Metric)
• Filter Type: Power Line
• Number of Lines: 1
• Operating Temperature Range: -55°C ~ 125°C
• Mounting Type: Surface Mount
• Physical Dimensions: 0.039" L x 0.020" W (1.00 mm x 0.50 mm)

Allowable Variation Parameters:

• DC Resistance (DCR): Substitute parts may have DCR values within the range of 180 mOhm to 220 mOhm
• Current Rating (Max): Substitute parts may include specified current ratings where the original part does not
• Product Status: Active parts are acceptable substitutes for obsolete parts
• Packaging Format: Cut Tape (CT) & Digi-Reel® and Tape & Reel (TR) formats are interchangeable

All identified substitutes maintain ROHS3 compliance, MSL Level 1, and REACH Unaffected status.

Parameter Comparison

Engineering Selection Recommendations

Z0402C221BPMST (KEMET): This part is a parametric equivalent with identical electrical and mechanical specifications to the main part, with the exception of a lower maximum DC resistance of 180 mOhm compared to 200 mOhm. Both parts share obsolete product status. Selection of this substitute is appropriate where lower DC resistance provides operational benefit. ROHS3 compliance and MSL Level 1 rating are maintained.

MPZ1005S221ET000 (TDK Corporation): This part is a functionally equivalent substitute with active product status, providing long-term availability advantage over the obsolete Z0402C221APMST. The MPZ1005S221ET000 maintains identical impedance, package, and operating temperature specifications. The DC resistance maximum is 220 mOhm, which is within acceptable tolerance. This part includes a specified current rating of 900 mA. ROHS3 compliance and MSL Level 1 rating are maintained. The packaging format differs (Tape & Reel versus Cut Tape & Digi-Reel), which does not affect functional compatibility.

Frequently Asked Questions (FAQ)

Q: Can Z0402C221BPMST be used as a direct replacement for Z0402C221APMST?

A: Yes. Both parts share identical impedance (220 Ohms @ 100 MHz), package (0402), operating temperature range (-55°C ~ 125°C), and physical dimensions. The Z0402C221BPMST has a lower maximum DC resistance of 180 mOhm versus 200 mOhm, which is an acceptable variation for power line ferrite bead applications.

Q: What is the primary advantage of selecting MPZ1005S221ET000 over the KEMET alternatives?

A: The MPZ1005S221ET000 has active product status, ensuring ongoing availability and supply chain continuity. Both KEMET parts (Z0402C221APMST and Z0402C221BPMST) are classified as obsolete. All three parts meet identical electrical and mechanical requirements for 220 Ohm @ 100 MHz power line filtering in 0402 packages.

Q: Are there packaging format differences between these substitutes?

A: Yes. The Z0402C221APMST and Z0402C221BPMST are supplied in Cut Tape (CT) & Digi-Reel® format, while the MPZ1005S221ET000 is supplied in Tape & Reel (TR) format. Both packaging formats are compatible with standard surface mount assembly processes and do not affect functional performance.

Q: Does the 900 mA current rating on MPZ1005S221ET000 indicate higher performance?

A: The current rating specification on the MPZ1005S221ET000 provides explicit documentation of maximum current handling capability. The original Z0402C221APMST does not include a specified current rating. The presence of this specification on the TDK part does not indicate superior performance but rather provides additional design guidance for current-limited applications.

Q: Are all three parts RoHS3 compliant?

A: Yes. Z0402C221APMST, Z0402C221BPMST, and MPZ1005S221ET000 are all ROHS3 compliant with MSL Level 1 (Unlimited) moisture sensitivity rating.

Q: What is the DC resistance tolerance consideration for substitution?

A: The main part Z0402C221APMST specifies 200 mOhm maximum DCR. The Z0402C221BPMST has 180 mOhm maximum DCR (lower), and the MPZ1005S221ET000 has 220 mOhm maximum DCR (higher). All values fall within acceptable operating parameters for power line ferrite bead applications. Selection should be based on specific circuit requirements for insertion loss and impedance characteristics.