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HomeProductsFiltersFerrite Beads and ChipsACML-0402HC-600-T
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ACML-0402HC-600-T - Abracon LLC

Manufacturer Part Number
ACML-0402HC-600-T
Manufacturer
Abracon
Allelco Part Number
98D-ACML-0402HC-600-T
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
40,632 pcs available, New & Original
Parts Description
FERRITE BEAD 60 OHM 0402 1LN
Package
0402 (1005 Metric)
Data sheet
ACML-0402HC-600.pdf

PCN Obsolescence/ EOL

Cylindrical Battery Holders.pdf

HTML Datasheet

ACML-0402HC Series.pdf

Environmental Information

Cylindrical Battery Holders.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 40632
  • Unit Price: $0.021
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Specifications

ACML-0402HC-600-T Tech Specifications
Abracon LLC - ACML-0402HC-600-T technical specifications, attributes, parameters and parts with similar specifications to Abracon LLC - ACML-0402HC-600-T

Product Attribute Attribute Value
Manufacturer Abracon
Size / Dimension 0.039' L x 0.020' W (1.00mm x 0.50mm)
Series ACML-HC
Ratings -
Package / Case 0402 (1005 Metric)
Package Tape & Reel (TR)
Operating Temperature -55°C ~ 125°C
Product Attribute Attribute Value
Number of Lines 1
Mounting Type Surface Mount
Impedance @ Frequency 60 Ohms @ 100 MHz
Height (Max) 0.026' (0.65mm)
Filter Type -
DC Resistance (DCR) (Max) 80mOhm
Current Rating (Max) 1.5A

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8548.00.0000

Frequently Asked Questions(FAQ)

What is the impedance specification for the ACML-0402HC-600-T and at what frequency does this 60 Ohm rating apply?
The ACML-0402HC-600-T is specified at 60 Ohms impedance measured at 100 MHz. This frequency-dependent characteristic is typical for ferrite beads, where impedance varies across the frequency spectrum. At lower frequencies, the ACML-0402HC-600-T exhibits lower impedance, while impedance generally increases at higher frequencies before beginning to capacitive behavior. For noise suppression in high-speed digital interfaces, power distribution networks, or RF circuits, the 100 MHz reference point establishes the ferrite bead's filtering effectiveness in the mid-to-high frequency range. Design validation should confirm that the ACML-0402HC-600-T impedance curve provides sufficient attenuation at the specific interference frequencies present in your application.
Can the ACML-0402HC-600-T handle 1.5A continuously and what heat dissipation should be expected?
The ACML-0402HC-600-T is rated for a maximum continuous current of 1.5A with a DC resistance of 80 milliohms. Under full 1.5A loading, resistive power dissipation calculates to approximately 180 milliwatts (I²R = 1.5² × 0.080 = 0.18W). In compact 0402 surface mount packages, this dissipation is significant relative to the component's small thermal mass. Thermal management depends on PCB copper area, layer stack construction, and ambient temperature. At the upper operating limit of 125°C, additional ambient heating reduces the margin for resistive losses. For sustained 1.5A operation, verify that the ACML-0402HC-600-T temperature rise stays within design tolerances by thermal modeling or measurement, particularly in high-density PCB layouts where local thermal hotspots develop.
How does the ACML-0402HC-600-T compare to the ACML-0402HC-700-T in filtering performance and current handling for same-footprint substitution?
The ACML-0402HC-700-T variant has a higher impedance rating of 70 Ohms at 100 MHz compared to the ACML-0402HC-600-T's 60 Ohms. Both share identical 0402 packaging and 1.5A current rating. The 70 Ohm impedance provides greater attenuation at the reference frequency, offering improved filtering for noise-sensitive circuits. However, higher impedance ferrite beads typically exhibit higher DC resistance, creating a trade-off between filtering strength and thermal dissipation. If detailed impedance-frequency curves are available, compare the full response across your application's frequency range—the ACML-0402HC-600-T may have a broader attenuation window or lower loss at specific frequencies despite lower impedance rating. Current capacity remains equal at 1.5A for both, so selection should be driven by frequency response matching your EMI profile rather than thermal limits.
What is the practical difference between the ACML-0402HC-600-T's 80 milliohm DC resistance and the impedance specification at 100 MHz?
The ACML-0402HC-600-T's DC resistance of 80 milliohms represents the purely resistive component of the ferrite bead's behavior at direct current and very low frequencies. The 60 Ohm impedance at 100 MHz is the total complex impedance (√(R² + X²) where X is reactive) at the reference frequency. At 100 MHz, the ferrite material exhibits significant magnetic permeability, creating inductive reactance that dominates the impedance calculation. The ratio between impedance (60 Ohm) and DC resistance (0.080 Ohm) illustrates that reactive effects contribute approximately 750× more to the total impedance than resistive effects at 100 MHz. This reactive behavior is the ACML-0402HC-600-T's primary noise filtering mechanism. However, the resistive component becomes significant for power dissipation and circuit damping calculations, especially at high currents where I²R losses must be thermal-managed.
Is the ACML-0402HC-600-T suitable for USB 2.0 or high-speed differential signaling and what are the insertion loss considerations?
The ACML-0402HC-600-T can be placed in USB 2.0 power supply filtering, but placement and integration require careful analysis. USB 2.0 signaling operates around 480 Mbps with fundamental frequencies in the sub-gigahertz range—well above the ACML-0402HC-600-T's 100 MHz reference specification. Ferrite bead impedance typically peaks in the low-to-mid GHz range before capacitive effects dominate. While ferrite beads generally exhibit lower insertion loss on signal lines compared to series resistors, the ACML-0402HC-600-T's 80 milliohm DC resistance causes some resistive attenuation. For differential pairs carrying high-speed data, ferrite bead placement on power rails (not signal paths) avoids impedance mismatch and signal distortion. Consult the ACML-0402HC-600-T impedance curve above 100 MHz to confirm attenuation is sufficient for EMI compliance without introducing signal integrity issues. Measurement or simulation of the ACML-0402HC-600-T in your specific stackup is recommended before high-speed design release.
What does MSL 1 moisture sensitivity level mean for the ACML-0402HC-600-T during manufacturing and storage?
The ACML-0402HC-600-T carries MSL (Moisture Sensitivity Level) 1 classification, indicating no moisture absorption precautions are required. MSL 1 components, including the ACML-0402HC-600-T, can be stored at room temperature and humidity without desiccant packaging or baking procedures. Unlike higher MSL ratings that impose restrictions on reflow time, reflow temperature limits, and moisture exposure duration, the ACML-0402HC-600-T imposes no special handling requirements. This simplifies supply chain logistics and manufacturing processes—the ACML-0402HC-600-T can be used from open packaging without delaying production schedules. For contract manufacturers or automated assembly environments, MSL 1 status reduces process complexity and eliminates the need for moisture-ingress tracking or oven baking before soldering. Storage at standard factory conditions is sufficient for the ACML-0402HC-600-T.
How does the ACML-0402HC-600-T's small 0.039" x 0.020" footprint affect its thermal performance compared to larger ferrite bead packages?
The ACML-0402HC-600-T's compact 0402 case (1.0mm × 0.50mm) has a significantly smaller surface area and thermal mass than 0603, 0805, or 1206 ferrite packages. Thermal resistance to the PCB is inversely proportional to contact area, so the ACML-0402HC-600-T exhibits higher junction-to-ambient thermal resistance per watt of dissipation. This constraint becomes material when sustaining the full 1.5A current rating. A larger ferrite bead package handling the same current would distribute losses over more copper area and benefit from greater bulk thermal capacity. High-density designs often require the ACML-0402HC-600-T's footprint, but thermal management demands careful PCB layout: maximize copper pour around the component, use multiple thermal vias to connect to internal layers, and consider the ACML-0402HC-600-T's placement relative to other heat sources. For applications requiring sustained high current and tight thermal limits, a larger package substitution or parallel ACML-0402HC-600-T instances may reduce temperature rise below design limits.
What substitutes exist for the ACML-0402HC-600-T and how do their specifications differ?
The ACML-0402HC-600-T has cross-reference substitutes including the BBPY00100505680Y00 and PZ1005U700-1R2TF. The BBPY00100505680Y00 is functionally equivalent in 0402 form factor with similar impedance rating. The PZ1005U700-1R2TF specifies 1.2 Ohm impedance (not directly comparable) and represents a lower-impedance, higher-current alternative for different application classes. When evaluating substitutes for the ACML-0402HC-600-T, verify that impedance-frequency curves overlap your target noise suppression band, that current ratings meet design requirements, and that DC resistance aligns with thermal budgets. Suppliers may have varying documentation completeness; request impedance curves for substitutes to the ACML-0402HC-600-T to confirm they deliver equivalent filtering performance. Component procurement often requires ACML-0402HC-600-T equivalence confirmation due to ferrite material variability and magnetic behavior sensitivities across manufacturers.
How should the ACML-0402HC-600-T be applied to reduce EMI coupling on a sensitive analog circuit without degrading signal fidelity?
The ACML-0402HC-600-T should be positioned on power distribution paths (such as VCC rails) rather than on analog signal lines to avoid impedance-related signal attenuation. Placing the ACML-0402HC-600-T in series with a decoupling capacitor on a supply pin filters high-frequency noise components while maintaining DC connectivity. The ACML-0402HC-600-T's 60 Ohm impedance at 100 MHz creates an impedance step that transitions power supply noise to the decoupling capacitor without distorting the signal itself. For mixed-signal designs, the ACML-0402HC-600-T can separate analog and digital supply domains, preventing high-frequency digital switching noise from coupling into analog circuits. The 80 milliohm DC resistance of the ACML-0402HC-600-T introduces minimal voltage drop during normal current flow, preserving supply voltage regulation. Layout symmetry and short PCB traces minimize parasitic inductance and ensure the ACML-0402HC-600-T delivers full filtering benefit. Measurement or SPICE modeling of the ACML-0402HC-600-T's impedance versus frequency in your circuit topology confirms noise attenuation targets are met.
What temperature derating should be applied to the ACML-0402HC-600-T's 1.5A rating as ambient temperature approaches 125°C?
The ACML-0402HC-600-T operates across -55°C to 125°C, but current ratings typically are specified at or near room temperature (often 20–25°C). At the upper operating limit of 125°C, thermal headroom is exhausted, limiting the current the ACML-0402HC-600-T can safely conduct. The 1.5A specification should be derated proportionally with temperature rise above the standard reference point. In high-temperature environments or thermal hotspots, conservative practice reduces the ACML-0402HC-600-T's continuous current to 70–80% of the nameplate rating to maintain junction temperature within material limits. Calculate derating based on thermal model: (125°C ambient + resistive heating from I²R + spatial thermal coupling) must stay below the ferrite's maximum allowable junction temperature (typically 150–200°C). For designs operating consistently near 125°C ambient, thermal simulation of the ACML-0402HC-600-T in your PCB layout is necessary to establish safe current limits without overestimating thermal margin.
Does the ACML-0402HC-600-T provide adequate filtering for Class A or Class AB amplifier bias networks to reduce RF interference?
The ACML-0402HC-600-T's 60 Ohm impedance at 100 MHz can suppress RF harmonics and RF interference in bias supply networks, but adequacy depends on the interference frequency spectrum and the desired insertion loss. In Class A and Class B audio amplifier designs, bias supply rails can couple RF energy from antenna circuits or switching power supplies into audio stages. Installing the ACML-0402HC-600-T in series with a bias supply resistor and bypass capacitor creates an RC low-pass filter supplemented by the ferrite's frequency-dependent impedance. For interference centered below the ACML-0402HC-600-T's peak impedance frequency, attenuation is significant; for higher frequencies, the effectiveness depends on the actual impedance curve. RF filtering effectiveness improves by cascading the ACML-0402HC-600-T with additional components (ferrite + capacitor stages) to extend attenuation across wider frequency ranges. Measure bias supply noise before and after adding the ACML-0402HC-600-T, or simulate the circuit to confirm that audio amplifier interference rejection meets target specifications.
Why might the ACML-0402HC-600-T's DC resistance of 80 milliohms exceed the datasheet expectation and what field failures does this cause?
The ACML-0402HC-600-T's 80 milliohm DC resistance specification represents the maximum allowable value. Actual production units may exhibit 60–80 milliohms depending on ferrite material batch, magnetic permeability tolerance, and manufacturing process control. Field failures occur when thermal models assumed the lower-bound DC resistance (60 milliohms) but production units clustered at the high-end tolerance (80 milliohms). At 1.5A, the resistive dissipation difference between 60 and 80 milliohms is 27 milliwatts (1.5² × 0.020 = 0.027W)—small in absolute terms but significant in a compact 0402 package with limited thermal capacity. Thermal runaways can occur if the ACML-0402HC-600-T operates in a hot region (e.g., near a power amplifier) and ambient temperature drifts upward. Design validation must measure actual DC resistance of production samples of the ACML-0402HC-600-T and verify thermal behavior at the worst-case high-resistance value. Designs with tight thermal margins should derate current or employ larger packages if worst-case ACML-0402HC-600-T resistance creates unacceptable temperature rise.
Can multiple ACML-0402HC-600-T beads be paralleled to reduce total impedance and handle higher current in power distribution networks?
Paralleling multiple ACML-0402HC-600-T ferrite beads reduces effective impedance and increases aggregate current capacity. Two ACML-0402HC-600-T units in parallel present approximately 30 Ohm impedance at 100 MHz (ignoring coupling effects) and can collectively handle 3A continuous current, assuming proper thermal management of each instance. However, proximity and PCB layout significantly influence parallel ferrite bead behavior. Each ACML-0402HC-600-T must have symmetrical PCB traces and dedicated vias to prevent current hogging (one ferrite bead conducts more current than the other due to trace inductance differences). Magnetic coupling between adjacent ACML-0402HC-600-T beads can create unexpected impedance shifts or resonances. High-frequency analysis of the ACML-0402HC-600-T parallel network (using electromagnetic simulation or measurement) is necessary to confirm impedance matches predictions. For high-current power supplies (3A+), distributing filtering across multiple ACML-0402HC-600-T locations on the PCB (rather than concentrating parallel instances) often provides better EMI suppression and thermal distribution than direct parallelization.

Parts with Similar Specifications

The three parts on the right have similar specifications to Abracon LLC ACML-0402HC-600-T

Product Attribute ACML-0402HC-700-T ACML-0402HC-050-T ACML-0402HC-301-T ACML-0402HC-110-T
Part Number ACML-0402HC-700-T ACML-0402HC-050-T ACML-0402HC-301-T ACML-0402HC-110-T
Manufacturer Abracon LLC Abracon LLC Abracon LLC Abracon LLC
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Ratings - - - -
Height (Max) - - - -
Impedance @ Frequency - - - -
Size / Dimension - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Current Rating (Max) - - - -
Series - - - -
DC Resistance (DCR) (Max) - - - -
Filter Type - - - -
Number of Lines - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad

ACML-0402HC-600-T Datasheet PDF

Download ACML-0402HC-600-T pdf datasheets and Abracon LLC documentation for ACML-0402HC-600-T - Abracon LLC.

PCN Obsolescence/ EOL
Cylindrical Battery Holders.pdf
HTML Datasheet
ACML-0402HC Series.pdf
Environmental Information
Cylindrical Battery Holders.pdf

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ACML-0402HC-600-T Image

ACML-0402HC-600-T

Abracon LLC
98D-ACML-0402HC-600-T

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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