ACML-0402-221-T Ferrite Bead Equivalent & Substitute Parts

Part Overview

The ACML-0402-221-T is a 220 Ohm ferrite bead manufactured by Abracon LLC in 0402 (1005 Metric) surface mount package. This component is designed for electromagnetic interference (EMI) suppression and signal line filtering in compact electronic assemblies. The part is Active status and widely stocked with 7931 pieces available. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to supply constraints, design optimization, or manufacturing preferences.

Substiute Parts

ACML-0402-221-T

Abracon LLCIn Stock: 7992ACML-0402-221-T Datasheet

Current PartRFQ

742792780

Würth ElektronikIn Stock: 148105742792780 Datasheet

Parametric EquivalentRFQ

GZ1005D221TF

Shenzhen Sunlord Electronics Co., Ltd.In Stock: 10141GZ1005D221TF Datasheet

Parametric EquivalentRFQ

GZ1005D241CTF

Shenzhen Sunlord Electronics Co., Ltd.In Stock: 19918GZ1005D241CTF Datasheet

Parametric EquivalentRFQ

MMZ1005Y241CT000

TDK CorporationIn Stock: 250190MMZ1005Y241CT000 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ACML-0402-221-T are classified based on the following substitution criteria:

Direct Electrical Equivalents (Same Impedance & Current Rating):

• Parts maintaining 220 Ohms @ 100 MHz impedance with 150 mA current rating are considered direct substitutes with identical electrical performance characteristics.

Enhanced Performance Substitutes (Higher Current Rating):

• Parts with 220 Ohms @ 100 MHz impedance but higher current ratings (300 mA) provide superior current handling capability while maintaining the same impedance specification. These are suitable for applications requiring increased current margin.

Near-Equivalent Substitutes (Similar Impedance Range):

• Parts with 240 Ohms @ 100 MHz impedance represent a near-equivalent impedance range within typical ferrite bead tolerance bands. These parts are acceptable when the application permits impedance variation within the 220–240 Ohm range and offer enhanced current ratings or reduced DC resistance.

Common Mechanical Compatibility:

• All substitute parts share identical package dimensions (0402/1005 Metric), surface mount mounting type, and operating temperature range (-55°C to 125°C), ensuring direct PCB footprint compatibility.

Parameter Comparison

Engineering Selection Recommendations

Direct Substitution (Identical Electrical Performance): GZ1005D221TF from Shenzhen Sunlord Electronics matches the ACML-0402-221-T specification exactly with 220 Ohms impedance, 150 mA current rating, and 450 mOhm DC resistance. Both parts are ROHS3 compliant and operate across the same temperature range. This part is suitable for one-to-one replacement in existing designs.

Enhanced Performance Substitution (Same Impedance, Higher Current): 742792780 from Würth Elektronik provides 220 Ohms impedance with doubled current rating (300 mA) and reduced DC resistance (350 mOhm). This part offers improved thermal performance and current margin while maintaining identical impedance. ROHS3 compliance and equivalent operating temperature range are confirmed. Height is reduced to 0.022" (0.55 mm), which may provide PCB layout advantages in space-constrained applications.

Near-Equivalent Substitution (240 Ohm Impedance Range): GZ1005D241CTF and MMZ1005Y241CT000 both provide 240 Ohms impedance with 300 mA current rating. These parts are acceptable when application requirements permit impedance variation within the 220–240 Ohm range. MMZ1005Y241CT000 from TDK offers the lowest DC resistance (260 mOhm) and highest inventory availability (250100 pieces). Both parts maintain ROHS3 compliance and full operating temperature compatibility.

All substitute parts are Active status with confirmed ROHS3 compliance, REACH unaffected status, and EAR99 ECCN classification, matching the regulatory profile of the original part.

Frequently Asked Questions (FAQ)

Q: Can GZ1005D221TF be used as a direct replacement for ACML-0402-221-T? A: Yes. GZ1005D221TF provides identical electrical specifications (220 Ohms @ 100 MHz, 150 mA, 450 mOhm) and mechanical compatibility (0402 package, surface mount). Both parts are ROHS3 compliant with matching operating temperature ranges.

Q: What is the advantage of using 742792780 over the original ACML-0402-221-T? A: 742792780 maintains the same 220 Ohm impedance but provides doubled current rating (300 mA vs. 150 mA) and reduced DC resistance (350 mOhm vs. 450 mOhm). This results in lower power dissipation and improved thermal performance. Height is also reduced to 0.022" (0.55 mm), potentially enabling tighter PCB layouts.

Q: Are the 240 Ohm parts (GZ1005D241CTF and MMZ1005Y241CT000) compatible with designs specified for 220 Ohms? A: Compatibility depends on application tolerance. The 240 Ohm impedance represents approximately a 9% increase from the 220 Ohm specification. These parts are acceptable only when the circuit design permits impedance variation within this range. Verify impedance tolerance requirements in the application schematic before substitution.

Q: Do all substitute parts fit the same PCB footprint? A: Yes. All parts use the 0402 (1005 Metric) package with identical length (0.039" / 1.00 mm) and width (0.020" / 0.50 mm). Height variations (0.022" to 0.026") do not affect footprint compatibility but may impact clearance in space-constrained assemblies.

Q: Which substitute part has the best availability? A: MMZ1005Y241CT000 from TDK has the highest inventory (250100 pieces). However, this part has 240 Ohm impedance rather than 220 Ohms. For 220 Ohm impedance with high availability, 742792780 from Würth Elektronik offers 148095 pieces in stock.

Q: Are all substitute parts RoHS compliant? A: Yes. All listed substitute parts are ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited), matching the regulatory status of the ACML-0402-221-T.