CZP2AFTTD300P Equivalent & Substitute Parts

Part Overview

The CZP2AFTTD300P is a 30 Ohms @ 100 MHz power line ferrite bead manufactured by KOA Speer Electronics, Inc. in 0805 (2012 Metric) surface mount package. This component is rated for 4A maximum current with 15mOhm DC resistance and operates across -55°C to 125°C. The part maintains Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1).

Equivalent and substitute parts are necessary when the primary part experiences supply constraints, extended lead times, or when design flexibility permits selection from multiple qualified sources meeting identical or superior electrical and mechanical specifications.

Key Parameters

Parameter	CZP2AFTTD300P
Impedance @ Frequency	30 Ohms @ 100 MHz
Current Rating (Max)	4A
DC Resistance (DCR) (Max)	15mOhm
Package / Case	0805 (2012 Metric)
Operating Temperature	-55°C ~ 125°C
Mounting Type	Surface Mount
Number of Lines	1
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across the following critical parameters:

Impedance @ Frequency: 30 Ohms @ 100 MHz (±1 Ohm tolerance acceptable for 31 Ohm variants)
Package / Case: 0805 (2012 Metric) surface mount
Number of Lines: 1
Operating Temperature Range: -55°C ~ 125°C minimum
Mounting Type: Surface Mount
RoHS3 Compliance: Required
MSL Rating: 1 (Unlimited)

Current Rating and DC Resistance are secondary parameters. Substitute parts with equal or superior current ratings (≥4A) and equal or lower DC resistance (≤15mOhm) maintain full compatibility. Parts exceeding these specifications provide enhanced performance margins without design modification.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Impedance @ Frequency	Current Rating (Max)	DC Resistance (Max)	Package / Case	Operating Temperature	Height (Max)	RoHS Status	MSL
CZP2AFTTD300P	KOA Speer Electronics, Inc.	30 Ohms @ 100 MHz	4A	15mOhm	0805 (2012 Metric)	-55°C ~ 125°C	0.043" (1.10mm)	ROHS3 Compliant	1
MPZ2012S300AT000	TDK Corporation	30 Ohms @ 100 MHz	6A	10mOhm	0805 (2012 Metric)	-55°C ~ 125°C	0.041" (1.05mm)	ROHS3 Compliant	1
BBPY00201209300Y00	Pulse Electronics	30 Ohms @ 100 MHz	4A	15mOhm	0805 (2012 Metric)	-55°C ~ 125°C	0.043" (1.10mm)	ROHS3 Compliant	1
BBUP00201209300Y00	Pulse Electronics	30 Ohms @ 100 MHz	6A	12mOhm	0805 (2012 Metric)	-55°C ~ 125°C	0.043" (1.10mm)	ROHS3 Compliant	1
BLM21PG300SN1D	Murata Electronics	30 Ohms @ 100 MHz	4A	14mOhm	0805 (2012 Metric)	-55°C ~ 125°C	0.041" (1.05mm)	ROHS3 Compliant	1
FBU201209T-310Y-S	Cal-Chip Electronics, Inc.	31 Ohms @ 100 MHz	6A	15mOhm	0805 (2012 Metric)	-55°C ~ 125°C	0.041" (1.05mm)	RoHS Compliant	1
ILHB0805ER300V	Vishay Dale	30 Ohms @ 100 MHz	6A	15mOhm	0805 (2012 Metric)	-55°C ~ 125°C	0.043" (1.10mm)	ROHS3 Compliant	1
WLBD2012HCU310TH	Walsin Technology Corporation	31 Ohms @ 100 MHz	6A	15mOhm	0805 (2012 Metric)	-55°C ~ 125°C	0.026" (0.65mm)	ROHS3 Compliant	1

Engineering Selection Recommendations

All listed substitute parts maintain Active product status and full RoHS3 compliance, ensuring regulatory alignment with the primary CZP2AFTTD300P component.

Direct Electrical Equivalents (30 Ohms @ 100 MHz):

MPZ2012S300AT000 (TDK): Exceeds current rating (6A vs 4A) and reduces DC resistance (10mOhm vs 15mOhm), providing enhanced performance margin.
BBPY00201209300Y00 (Pulse Electronics): Identical electrical specifications with matching current and resistance ratings.
BBUP00201209300Y00 (Pulse Electronics): Exceeds current rating (6A) and reduces DC resistance (12mOhm), offering improved performance characteristics.
BLM21PG300SN1D (Murata Electronics): Matches current rating (4A) with marginally lower DC resistance (14mOhm vs 15mOhm).
ILHB0805ER300V (Vishay Dale): Exceeds current rating (6A) while maintaining DC resistance (15mOhm).

Near-Equivalent Variants (31 Ohms @ 100 MHz):

FBU201209T-310Y-S (Cal-Chip Electronics): 1 Ohm impedance variance with enhanced current rating (6A) and matching DC resistance (15mOhm). RoHS compliant status confirmed.
WLBD2012HCU310TH (Walsin Technology): 1 Ohm impedance variance with enhanced current rating (6A), matching DC resistance (15mOhm), and reduced package height (0.65mm).

All substitute parts share identical package geometry (0805/2012 Metric), single-line configuration, and full operating temperature range (-55°C to 125°C).

Frequently Asked Questions (FAQ)

Q: Can I substitute a 31 Ohm ferrite bead for the 30 Ohm CZP2AFTTD300P?

A: Yes. The 1 Ohm impedance variance between 30 Ohms and 31 Ohms @ 100 MHz falls within acceptable engineering tolerance for power line ferrite bead applications. Both FBU201209T-310Y-S and WLBD2012HCU310TH are qualified substitutes with identical package, temperature range, and compliance certifications.

Q: What is the difference between parts with 4A and 6A current ratings?

A: The CZP2AFTTD300P is rated for 4A maximum current. Substitute parts with 6A ratings (MPZ2012S300AT000, BBUP00201209300Y00, ILHB0805ER300V, FBU201209T-310Y-S, WLBD2012HCU310TH) provide additional current handling capacity without design modification. These parts are fully compatible and offer enhanced performance margin.

Q: Does DC resistance variation affect substitution eligibility?

A: DC resistance values range from 10mOhm to 15mOhm across all listed substitutes. The CZP2AFTTD300P specifies 15mOhm maximum. Substitute parts with equal or lower DC resistance (10mOhm, 12mOhm, 14mOhm) maintain full compatibility and reduce resistive losses.

Q: Are all substitute parts RoHS3 compliant?

A: Seven of eight substitute parts carry ROHS3 Compliant certification. FBU201209T-310Y-S carries RoHS Compliant status. All parts meet regulatory requirements for restricted substance elimination.

Q: Does package height variation affect PCB assembly?

A: All parts use 0805 (2012 Metric) surface mount package with heights ranging from 0.026" to 0.043". Height variance does not affect electrical performance or standard PCB assembly processes. WLBD2012HCU310TH offers the lowest profile (0.026") for space-constrained applications.

Q: Can I use these substitutes interchangeably in production?

A: Yes. All listed parts maintain identical package footprint, single-line configuration, operating temperature range (-55°C to 125°C), and MSL 1 rating. Electrical specifications are equivalent or superior. No design modification is required for substitution.

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