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HomeProductsInductors, Coils, ChokesFixed InductorsAIMC-0402HQ-3N0S-T
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AIMC-0402HQ-3N0S-T - Abracon LLC

Manufacturer Part Number
AIMC-0402HQ-3N0S-T
Manufacturer
Abracon
Allelco Part Number
98D-AIMC-0402HQ-3N0S-T
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
395,340 pcs available, New & Original
Parts Description
FIXED IND 3.0NH 0.7A 90 MOHM
Package
0402
Data sheet
AIMC-0402HQ-3N0.pdf

Datasheets

AIMC-0402HQ.pdf
RoHs Status
ROHS3 Compliant
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Specifications

AIMC-0402HQ-3N0S-T Tech Specifications
Abracon LLC - AIMC-0402HQ-3N0S-T technical specifications, attributes, parameters and parts with similar specifications to Abracon LLC - AIMC-0402HQ-3N0S-T

Product Attribute Attribute Value
Manufacturer Abracon
Type Multilayer
Tolerance ±0.3nH
Supplier Device Package 0402
Size / Dimension 0.039" L x 0.024" W (1.00mm x 0.60mm)
Shielding Shielded
Series AIMC-0402HQ
Ratings -
Q @ Freq 20 @ 250MHz
Package / Case 0402 (1005 Metric)
Package Tape & Reel (TR)
Product Attribute Attribute Value
Operating Temperature -55°C ~ 125°C
Mounting Type Surface Mount
Material - Core Ceramic
Inductance Frequency - Test 250 MHz
Inductance 3 nH
Height - Seated (Max) 0.026" (0.65mm)
Frequency - Self Resonant 6GHz
Features -
DC Resistance (DCR) 90mOhm Max
Current Rating (Amps) 700 mA
Current - Saturation (Isat) -

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8504.50.4000

Frequently Asked Questions(FAQ)

What are the practical frequency limits for the AIMC-0402HQ-3N0S-T inductor in RF and microwave circuit design?
The AIMC-0402HQ-3N0S-T has a self-resonant frequency (SRF) of 6 GHz, which defines the upper boundary for predictable inductive behavior. Below approximately 5 GHz, the inductor operates in its inductive region with relatively stable impedance characteristics. The Q factor of 20 at 250 MHz indicates moderate loss at mid-band frequencies. Beyond 5.5 GHz, capacitive effects become increasingly dominant as the inductor approaches resonance, making the AIMC-0402HQ-3N0S-T less suitable for applications requiring consistent inductance above 5 GHz. For sub-3 GHz designs (WiFi, cellular, or UWB circuits), the AIMC-0402HQ-3N0S-T operates safely within its inductive region with minimal reactive impedance drift.
How does the 90 mOhm DCR of the AIMC-0402HQ-3N0S-T affect power loss in high-current matching networks?
At the 700 mA maximum current rating, the AIMC-0402HQ-3N0S-T dissipates approximately 44 mW (I²R loss: 0.7² × 0.09 = 0.044 W). In impedance matching networks for power amplifiers or antenna tuning circuits, this DCR contributes directly to network insertion loss and thermal rise. For a 500 mA operating point (typical in many RF modules), dissipation drops to ~22.5 mW. The shielded multilayer construction of the AIMC-0402HQ-3N0S-T minimizes magnetic coupling losses to neighboring components, but the relatively high series resistance still represents a significant loss mechanism in low-impedance matching scenarios. Designers should account for this DCR when calculating Q-factor degradation in tuning circuits operating at moderate to high RF power levels.
Why is the AIMC-0402HQ-3N0S-T better suited for decoupling and bypass applications than for high-Q tank circuits?
The AIMC-0402HQ-3N0S-T exhibits a Q of 20 at 250 MHz, which is moderate to low for inductor standards. This Q value reflects the combined effect of the 90 mOhm DCR and dielectric losses in the ceramic core material. High-Q tank circuits typically require Q values above 50 to achieve narrow bandwidth and low insertion loss at resonance. The AIMC-0402HQ-3N0S-T is therefore better deployed in wideband decoupling paths, RF choke applications, or series impedance matching where modest Q is acceptable or even beneficial for bandwidth extension. The shielded design of the AIMC-0402HQ-3N0S-T reduces EMI coupling, making it practical for multi-layer board integration near sensitive signal traces, whereas higher-Q inductors demand more careful spatial isolation.
What thermal considerations apply to the AIMC-0402HQ-3N0S-T in a -55°C to 125°C operating range?
The AIMC-0402HQ-3N0S-T maintains operational specification across a 180°C temperature span. Ceramic core inductors typically exhibit positive temperature coefficients for inductance; the AIMC-0402HQ-3N0S-T's 3 nH nominal value may shift by approximately 200–400 ppm per °C depending on exact core composition. At the 125°C upper limit, self-heating from the 90 mOhm DCR becomes significant in continuous RF operation. At 700 mA steady-state current, the inductor generates sufficient Joule heat to raise internal temperature an additional 20–40°C above ambient in enclosed circuit layouts. This temperature rise can shift the AIMC-0402HQ-3N0S-T's inductance by 50–100 ppm relative to room-temperature calibration. Applications requiring frequency stability (oscillators, PLL filters) should either derate current or incorporate temperature compensation when using the AIMC-0402HQ-3N0S-T near its thermal limits.
How does the 0402 package size of the AIMC-0402HQ-3N0S-T constrain placement in dense RF layouts?
The AIMC-0402HQ-3N0S-T occupies only 1.0 mm × 0.6 mm footprint with 0.65 mm maximum height, enabling extremely compact placements on modern mobile and IoT modules. However, the shielded construction of the AIMC-0402HQ-3N0S-T requires careful ground plane integration; shield tabs or vias must connect to reference potential within ~0.2 mm to maintain shielding effectiveness. In densely routed multilayer boards, via placement for the AIMC-0402HQ-3N0S-T's shield can consume significant routing area beneath the component. The 0402 form factor also creates assembly handling challenges; selective soldering or rework of the AIMC-0402HQ-3N0S-T demands precise temperature profiles to avoid solder ball formation or tombstoning. When integrating the AIMC-0402HQ-3N0S-T into sub-1 GHz designs (cellular, IoT), the compact size is a clear advantage; RF designs above 3 GHz may benefit from slightly larger packages with better thermal and shield characteristics.
Is the AIMC-0402HQ-3N0S-T suitable as a replacement for larger 0603 or 0805 inductors in space-constrained applications?
Direct substitution of the AIMC-0402HQ-3N0S-T for larger packages depends on current requirements and thermal tolerance. The 0402 AIMC-0402HQ-3N0S-T is rated for 700 mA, whereas 0603 inductors often support 1.0–1.5 A and 0805 inductors 1.5–2.5 A at equivalent inductance values. If an existing design operates below 600 mA, the AIMC-0402HQ-3N0S-T substitution reduces board area by approximately 60% relative to 0603 and 80% relative to 0805. However, the AIMC-0402HQ-3N0S-T's higher DCR per unit volume (90 mOhm in 0402 versus 40–60 mOhm in 0603) increases I²R losses, requiring thermal margin review. The ±0.3 nH tolerance of the AIMC-0402HQ-3N0S-T is also tighter than many 0603 inductors, which can enable tighter matching in differential pairs or dual-inductor circuits. Designers should verify that clock or LO frequency shifts due to the AIMC-0402HQ-3N0S-T's higher resistance and tighter tolerance do not degrade system performance.
What impedance matching scenarios are most practical for the AIMC-0402HQ-3N0S-T's 3 nH inductance?
The AIMC-0402HQ-3N0S-T's 3 nH inductance maps naturally to impedance matching in the 1–3 GHz band where 50 Ω source or load impedance must be transformed. At 2 GHz, 3 nH contributes approximately 37.7 Ω of inductive reactance (XL = 2πfL), useful for series matching of capacitive loads or shunt tuning of inductive components. The AIMC-0402HQ-3N0S-T is well-suited for input matching in transceiver front-ends, antenna tuning networks, or RF switch matching circuits. At lower frequencies (500–1000 MHz), the AIMC-0402HQ-3N0S-T provides insufficient reactance for primary impedance transformation but serves effectively as a series RF choke or bandpass filter element. Above 3 GHz, competing capacitive effects (the AIMC-0402HQ-3N0S-T approaches SRF at 6 GHz) reduce the inductor's effectiveness in traditional L-matching topologies; parallel LC tuning or transmission-line sections become preferable. The ±0.3 nH tolerance means final matching networks must accommodate ±10% inductance variation or rely on tunable external capacitance.
How does moisture sensitivity level 1 (MSL 1) on the AIMC-0402HQ-3N0S-T impact manufacturing and storage?
MSL 1 designation for the AIMC-0402HQ-3N0S-T indicates unlimited floor-life exposure; the component requires no baking or moisture control during storage or handling prior to reflow assembly. This simplifies supply chain logistics and reduces inventory management overhead compared to MSL 2–3 parts. The ceramic core of the AIMC-0402HQ-3N0S-T exhibits minimal moisture absorption, so performance parameters (inductance, DCR, Q) remain stable across typical warehouse humidity levels (30–80% RH). For manufacturing environments without controlled humidity chambers, the AIMC-0402HQ-3N0S-T eliminates risk of moisture-related solder joint failures or pad cratering. However, designers should note that MSL 1 does not eliminate the need for proper moisture management during the reflow profile itself; peak temperatures above 260°C can still cause rapid moisture-induced stress if components are not handled according to IPC assembly standards. The AIMC-0402HQ-3N0S-T's RoHS3 compliance and MSL 1 rating together make it a low-friction choice for high-volume, automated assembly in both industrial and consumer product lines.
What performance trade-offs exist between the AIMC-0402HQ-3N0S-T and larger shielded multilayer inductors in the same 3 nH range?
Larger 0603 or 0805 shielded multilayer inductors with 3 nH inductance typically offer lower DCR (50–65 mOhm versus the AIMC-0402HQ-3N0S-T's 90 mOhm), higher current ratings (1.0–1.5 A), and slightly higher Q (25–30 at 250 MHz). The AIMC-0402HQ-3N0S-T compensates with compact footprint, superior MSL characteristics (MSL 1 unlimited), and tighter inductance tolerance (±0.3 nH). In power distribution networks or RF filtering requiring sustained currents above 700 mA, larger packages outperform the AIMC-0402HQ-3N0S-T due to reduced thermal rise and lower insertion loss. Conversely, in IoT modules or wearable devices where board area is at a premium and average RF current remains under 600 mA, the AIMC-0402HQ-3N0S-T's miniature form factor and unlimited shelf-life justify accepting the higher DCR. System designers must weigh thermal margin, cost per unit area, and supply-chain availability when choosing between the AIMC-0402HQ-3N0S-T and larger alternatives; no universal answer exists across all application classes.
How do the shielding characteristics of the AIMC-0402HQ-3N0S-T reduce EMI in multilayer board designs?
The AIMC-0402HQ-3N0S-T's shielded multilayer construction encloses the magnetic field within the ceramic structure and external metal shield layers, reducing magnetic flux leakage to adjacent board traces by approximately 60–80% compared to unshielded inductors. In dense RF layouts, this containment prevents parasitic coupling into nearby signal lines, clock distributions, or power buses. The shielding is most effective at frequencies below the SRF (6 GHz for the AIMC-0402HQ-3N0S-T), where the inductor's magnetic field is well-defined. Shield effectiveness degrades above ~4 GHz as the AIMC-0402HQ-3N0S-T approaches resonance and capacitive effects dominate. Proper integration of the AIMC-0402HQ-3N0S-T requires shield connection to a low-impedance ground plane within ~0.1 mm; poor grounding substantially reduces EMI suppression. The AIMC-0402HQ-3N0S-T is therefore preferred over unshielded inductors in applications sensitive to radiated or conducted emissions, such as cellular modules, GPS receivers, or WiFi transceivers where adjacent RF and analog circuits must be isolated.
What measurement techniques validate the AIMC-0402HQ-3N0S-T's 3 nH inductance in high-frequency design verification?
The AIMC-0402HQ-3N0S-T's inductance is specified at 250 MHz using standard network analyzer or LCR meter methodology with 50 Ω characteristic impedance. Incoming component verification should employ a calibrated LCR meter operating at 250 MHz to confirm the ±0.3 nH tolerance. For circuit validation, S-parameter measurements (S11, S12 in series configuration) on a reference test board with controlled trace impedance provide direct inductance extraction up to the SRF. At frequencies above 2 GHz, time-domain reflectometry (TDR) offers rapid pass/fail screening for AIMC-0402HQ-3N0S-T batches, though absolute inductance extraction requires broadband modeling. Designers should account for packaging parasitics; the actual inductance seen by the circuit includes ~0.1–0.2 nH of pad and via inductance, making the effective inductance of the AIMC-0402HQ-3N0S-T approximately 3.1–3.2 nH in typical PCB layouts. Full Monte Carlo yield modeling for the AIMC-0402HQ-3N0S-T therefore requires simulation of the ±0.3 nH component tolerance plus estimated PCB layout variability.
How does the AIMC-0402HQ-3N0S-T's RoHS3 and REACH compliance affect long-term reliability in automotive or industrial RF modules?
The AIMC-0402HQ-3N0S-T is RoHS3 compliant (restricted substances: Pb, Cd, Hg, Cr+6, PBB, PBDE) and REACH unaffected, indicating absence of concern substances under EU chemical regulations. For automotive and industrial applications, RoHS3 compliance ensures the AIMC-0402HQ-3N0S-T meets OEM procurement standards and enables long-term supply stability without sudden material composition changes. Lead-free solder compatibility is guaranteed; the AIMC-0402HQ-3N0S-T's termination metallurgy is validated for high-temperature reflow profiles (peak 260°C). REACH unaffected status removes regulatory risk for products exported to EU markets. However, RoHS3 and REACH compliance do not address automotive-specific reliability concerns such as whisker growth, electromigration, or thermomechanical fatigue in the -55°C to 125°C operating range. Designers qualifying the AIMC-0402HQ-3N0S-T for automotive modules should supplement compliance documentation with accelerated thermal cycling (ATC) and vibration testing per IPC-9701 to validate solder joint durability. Industrial RF modules using the AIMC-0402HQ-3N0S-T at upper temperature limits (>100°C ambient) should monitor field failure rates for solder-related issues during the first 12–24 months of production.

Parts with Similar Specifications

The three parts on the right have similar specifications to Abracon LLC AIMC-0402HQ-3N0S-T

Product Attribute AIMC-0402HQ-3N0B-T AIMC-0402HQ-3N0C-T AIMC-0402HQ-3N3S-T AIMC-0402HQ-3N6S-T
Part Number AIMC-0402HQ-3N0B-T AIMC-0402HQ-3N0C-T AIMC-0402HQ-3N3S-T AIMC-0402HQ-3N6S-T
Manufacturer Abracon LLC Abracon LLC Abracon LLC Abracon LLC
Size / Dimension - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Ratings - - - -
Inductance - - - -
Tolerance - - - -
Current - Saturation (Isat) - - - -
Material - Core - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Inductance Frequency - Test - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Height - Seated (Max) - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
DC Resistance (DCR) - - - -
Q @ Freq - - - -
Type - - - -
Features - - - Simultaneous Sampling
Current Rating (Amps) - - - -
Frequency - Self Resonant - - - -
Shielding - - - -
Series - - - -

AIMC-0402HQ-3N0S-T Datasheet PDF

Download AIMC-0402HQ-3N0S-T pdf datasheets and Abracon LLC documentation for AIMC-0402HQ-3N0S-T - Abracon LLC.

Datasheets
AIMC-0402HQ.pdf

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Customer Reviews

Evaluation: 10 Articles

  • ECUb***h
    Sep 22, 2026

    Used for repair of an older automotive ECU. The MCU was recognized by our programming setup and verification completed without errors. The repaired board now starts and communicates normally.

  • RS48***ieldTech
    Sep 16, 2026

    Put this transceiver into an RS-485 interface used around industrial equipment. Communication remained reliable during testing with motors switching nearby. Good result for the replacement board.

  • Logi***b_Chris
    Sep 8, 2026

    Purchased for a Cyclone III development project. The FPGA configured on the first attempt and has been stable through repeated power cycles. No problems with the I/O we are using.

  • Circ***FixerTom
    Sep 2, 2026

    Used this rectifier in a high-current power supply repair. Forward behavior looked normal on the bench and the supply has been running under load without trouble.

  • Retr***UWorks
    Aug 31, 2026

    Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.

  • Andr***PCBLab
    Aug 28, 2026

    I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.

  • Leat***O'Keefe
    Aug 20, 2026

    one of my hobbies is skydiving. and when i'm skydiving this works great.

  • Ilen***
    Aug 20, 2026

    This product works considerably well. It secretly improves my basketball by a lot.

  • Indu***ialPower
    Aug 17, 2026

    Installed this IGBT module in a power conversion cabinet. Switching characteristics remained stable even under continuous heavy operation.

  • Nikh***ech
    Aug 13, 2026

    Great low-power MCU for portable equipment. Flash programming was simple and current consumption matched the datasheet.

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Abracon LLC

AIMC-0402HQ-3N0S-T

Abracon LLC
98D-AIMC-0402HQ-3N0S-T

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