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HomeProductsInductors, Coils, ChokesFixed InductorsAQ10510NJ-T
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AQ10510NJ-T - Taiyo Yuden

Manufacturer Part Number
AQ10510NJ-T
Manufacturer
Taiyo Yuden
Allelco Part Number
32D-AQ10510NJ-T
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
108,500 pcs available, New & Original
Parts Description
FIXED IND 10NH 440MA 310MOHM SMD
Package
0402 (1005 Metric)
Data sheet
AQ10510NJ-T.pdf

PCN Obsolescence/ EOL

Mult Series 25/Feb/2021.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 108500
  • Unit Price: $0.068
  • Subtotal: $0.00

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Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
10+ $0.068 $0.68
100+ $0.056 $5.60
300+ $0.05 $15.00
1000+ $0.045 $45.00
5000+ $0.041 $205.00
10000+ $0.039 $390.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

AQ10510NJ-T Tech Specifications
Taiyo Yuden - AQ10510NJ-T technical specifications, attributes, parameters and parts with similar specifications to Taiyo Yuden - AQ10510NJ-T

Product Attribute Attribute Value
Manufacturer Taiyo Yuden
Type Multilayer
Tolerance ±5%
Supplier Device Package 0402 (1005 Metric)
Size / Dimension 0.039" L x 0.024" W (1.00mm x 0.60mm)
Shielding Unshielded
Series AQ
Ratings -
Q @ Freq 8 @ 100MHz
Package / Case 0402 (1005 Metric)
Package Tape & Reel (TR)
Product Attribute Attribute Value
Operating Temperature -55°C ~ 85°C
Mounting Type Surface Mount
Material - Core -
Inductance Frequency - Test 100 MHz
Inductance 10 nH
Height - Seated (Max) 0.020" (0.50mm)
Frequency - Self Resonant 3.2GHz
DC Resistance (DCR) 310mOhm Max
Current Rating (Amps) 440 mA
Current - Saturation (Isat) -

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
ECCN EAR99
HTSUS 8504.50.8000

Frequently Asked Questions(FAQ)

What are the practical frequency limitations when using the AQ10510NJ-T in RF matching networks?
The AQ10510NJ-T exhibits a self-resonant frequency of 3.2 GHz, which defines the upper boundary for predictable inductive behavior. Below approximately 2.4 GHz, the component maintains stable inductance with a Q factor of 8 at 100 MHz. Beyond 2.8 GHz, parasitic capacitance becomes increasingly dominant, causing the impedance characteristic to transition from inductive to capacitive. This SRF limitation means the AQ10510NJ-T is well-suited for sub-2 GHz matching applications but unsuitable for millimeter-wave designs or cellular band matching above 3 GHz without accounting for capacitive reactance drift.
How does the 310 mOhm DCR of the AQ10510NJ-T affect power dissipation in high-frequency switching supplies?
The AQ10510NJ-T's maximum DC resistance of 310 mOhm, combined with its 440 mA current rating, produces resistive losses of approximately 60 mW at full rated current. In switching regulator snubber or output filter applications operating near 440 mA, this dissipation becomes a secondary heat source requiring thermal management consideration. The relatively high DCR-to-inductance ratio (310 mOhm for 10 nH) is typical of multilayer inductors at this size and reflects a practical trade-off between compact footprint and resistance. For applications demanding sub-100 mOhm resistance at comparable current ratings, larger package sizes would be necessary, making the AQ10510NJ-T a compromise component when both space and low loss are constrained.
Is the AQ10510NJ-T suitable as a direct replacement for ferrite chip inductors in data line filtering?
The AQ10510NJ-T can functionally replace ferrite inductors in impedance-matched data line applications, but several differences affect performance. The unshielded multilayer construction provides lower EMI containment than shielded ferrite alternatives, allowing more magnetic field coupling to adjacent traces—relevant when the AQ10510NJ-T is placed near clock lines or differential pairs. The listed substitutes (LQG15HH10NJ02D, LQG15HS10NJ02D, LQG15HN10NJ02D) represent shielded variants with similar inductance, making them preferable for noise-sensitive signal conditioning. The AQ10510NJ-T's SRF of 3.2 GHz and Q of 8 @ 100 MHz indicate adequate performance for common-mode filtering up to 1 GHz, but the unshielded design trades isolation for lower cost and smaller height (0.50 mm seated).
What is the thermal behavior and derating profile for the AQ10510NJ-T across its operating range?
The AQ10510NJ-T is specified across –55°C to +85°C with no explicit derating curve provided in typical datasheets. Multilayer inductors exhibit inductance drift of approximately ±3–5% over this temperature span due to core material properties. The 440 mA current rating is typically specified at 25°C ambient; above 60°C, the effective current capacity should be reduced proportionally if dissipation becomes the limiting factor. At maximum rated current (440 mA) with 310 mOhm DCR in a high-ambient environment (85°C), the component approaches thermal stress. For designs operating near both current and temperature limits, derating to 350–380 mA is prudent. The AQ10510NJ-T's MSL rating of 1 (Unlimited) eliminates moisture absorption concerns, simplifying supply chain handling.
How does the AQ10510NJ-T compare to thin-film inductors in terms of accuracy and Q factor consistency?
The AQ10510NJ-T offers ±5% inductance tolerance typical of multilayer ceramic inductors, whereas thin-film inductors often provide ±2–3% tolerance at higher cost. The Q factor of 8 @ 100 MHz for the AQ10510NJ-T represents moderate performance; thin-film inductors in equivalent inductance values commonly achieve Q factors of 12–15 across the 100 MHz to 1 GHz range. This Q difference becomes measurable in high-Q filter designs or resonant circuits where insertion loss or bandwidth performance is critical. The AQ10510NJ-T is cost-effective and adequate for general impedance matching, but precision matching networks or high-selectivity LC filters would benefit from thin-film alternatives. The 0402 footprint and 0.50 mm height of the AQ10510NJ-T provide significant space advantages over equivalent thin-film components, offsetting performance differences in size-constrained applications.
What parasitic effects should be accounted for when modeling the AQ10510NJ-T in circuit simulation?
A practical equivalent circuit for the AQ10510NJ-T includes series resistance (310 mOhm), self-inductance (10 nH), series parasitic capacitance (approximately 0.5–0.8 pF inferred from SRF of 3.2 GHz), and parallel capacitance to ground (typically 0.1–0.3 pF for unshielded multilayer designs). The interaction of these parasitic elements causes the impedance minimum (resonance) near 3.2 GHz, above which the component behaves capacitively. In SPICE or Harmonic Balance simulations, the AQ10510NJ-T should be represented as an RLC network or frequency-dependent impedance model rather than an ideal 10 nH inductor. For frequencies below 1 GHz, the parasitic capacitance effect is minimal; above 2 GHz, dedicated inductor models or S-parameter measurements become necessary for accurate filter response prediction.
Does the unshielded design of the AQ10510NJ-T create radiated EMI or coupling problems in dense PCB layouts?
The AQ10510NJ-T's unshielded multilayer structure allows magnetic field penetration, making it susceptible to external interference and capable of coupling energy to nearby traces. In high-density layouts with clock rates above 100 MHz, placing the AQ10510NJ-T near differential pairs, clock lines, or other noise-sensitive signals can introduce crosstalk or phase noise. Mitigation techniques include increasing spacing (minimum 2–3 mm separation recommended), orienting the AQ10510NJ-T perpendicular to sensitive traces to minimize flux coupling, or using guard traces with ground via stitching around the component. If EMI containment is a design requirement, the shielded substitutes (LQG15HS10NJ02D or LQG15HN10NJ02D) are preferable, though they increase component height slightly. For applications with relaxed EMI budgets or lower frequency operation below 50 MHz, the AQ10510NJ-T's unshielded design poses minimal risk.
How does the AQ10510NJ-T perform in impedance matching networks for wideband amplifier output coupling?
The AQ10510NJ-T, with its 10 nH inductance and 3.2 GHz SRF, is well-suited for output matching networks in broadband amplifiers operating from 500 MHz to 2.5 GHz. The Q factor of 8 @ 100 MHz provides reasonable selectivity without excessive insertion loss. At higher frequencies (approaching 3 GHz), the SRF effect introduces complex impedance behavior that must be accounted for in design. The 310 mOhm DCR contributes approximately 0.2 dB insertion loss at 1 GHz in typical 50-ohm matching networks, which is acceptable for driver or intermediate stages but undesirable in low-noise receive paths. The compact 0402 footprint minimizes PCB area and parasitic trace inductance, supporting clean impedance transformation. For wideband matching spanning octave or multi-octave ranges, the AQ10510NJ-T works in combination with resistive damping or additional LC stages to flatten response.
What are the practical assembly and rework considerations specific to the 0402 package size of the AQ10510NJ-T?
The AQ10510NJ-T in 0402 (1.00 mm × 0.60 mm) package presents assembly challenges due to its minimal size and 0.50 mm maximum seated height. Placement accuracy requirements are tight; misalignment during pick-and-place operations can cause bridging or cold joints. Rework is difficult—manual soldering of the AQ10510NJ-T risks thermal shock due to the small thermal mass and proximity to solder pads. Hot-air rework is preferred, but the small package can shift during reflowing. For high-reliability applications or rework-intensive environments, larger package alternatives (0603 or 0805) may offer better process robustness, though at a footprint cost. The AQ10510NJ-T is well-suited for automated assembly with modern pick-and-place equipment; manual assembly on prototype boards should account for handling difficulty and higher defect rates.
Can the AQ10510NJ-T be used in parallel configurations to reduce effective DCR or increase current capacity?
Parallel connection of multiple AQ10510NJ-T inductors can reduce effective DC resistance (e.g., two units in parallel yield approximately 155 mOhm) and increase saturation current handling. However, practical limitations apply: magnetic coupling between closely spaced inductors causes unequal current distribution, reducing the benefit of parallel connection. Spacing the AQ10510NJ-T units at least 5 mm apart minimizes coupling but consumes board area, negating the space advantage of the compact 0402 package. Additionally, the inductance value does not scale linearly with parallel connection due to inter-element coupling—effective inductance typically increases slightly. For applications requiring higher current capacity (>600 mA) or lower DCR (<200 mOhm), selecting a larger package inductor (0603 or 0805) is more practical than paralleling multiple AQ10510NJ-T components. Parallel configurations are acceptable in single-point impedance matching networks where current is distributed or in experimental prototyping where coupling effects can be tolerated.
What board-level design practices minimize inductance variation and tolerance stack-up when using the AQ10510NJ-T in precision matching networks?
The ±5% tolerance of the AQ10510NJ-T introduces inherent variation; precision matching networks require tight control. To minimize cumulative tolerance effects: (1) use matched-pair or tape-reel selection from the same manufacturing lot, reducing statistical spread; (2) design the network with impedance levels that are relatively insensitive to ±5% inductance shifts (e.g., favor 50-ohm or 75-ohm system impedances over extremely high or low impedances); (3) incorporate trim capacitors or switchable series/parallel elements for post-assembly tuning; (4) place the AQ10510NJ-T close to the load with minimal trace inductance to avoid adding unintended series inductance; (5) avoid thermal gradients across the PCB that create differential temperature-induced drift in the AQ10510NJ-T versus reference components. For ultra-tight applications (±2% matching accuracy), consider thin-film inductors despite cost, or add a varactor or varactor array to dynamically compensate for the AQ10510NJ-T's tolerance spread.
How does the AQ10510NJ-T's frequency-dependent Q factor affect filter stopband attenuation?
The AQ10510NJ-T's specified Q of 8 @ 100 MHz indicates moderate loss; Q typically increases with frequency in multilayer inductors due to skin effect dominance over core losses. At 500 MHz, Q may reach 12–15, while at 2 GHz, Q could exceed 20 before the SRF at 3.2 GHz introduces resonant peaking. In LC filter designs using the AQ10510NJ-T, this frequency-dependent Q creates non-flat stopband attenuation. Lower frequencies (100–500 MHz) benefit from the moderate Q, providing stable insertion loss, while higher frequencies (1.5–2.8 GHz) may exhibit sharper cutoff due to increased Q. For filters requiring flat group delay or constant attenuation across multiple octaves, the AQ10510NJ-T's Q variation must be compensated through series resistance or additional LC stages. The SRF proximity also limits the usable frequency span; filters must maintain at least 500 MHz separation from 3.2 GHz to avoid resonant distortion.

Parts with Similar Specifications

The three parts on the right have similar specifications to Taiyo Yuden AQ10510NJ-T

Product Attribute AQ10510NH-T AQ10515NJ-T AQ10512NJ-T AQ1051N5S-T
Part Number AQ10510NH-T AQ10515NJ-T AQ10512NJ-T AQ1051N5S-T
Manufacturer Taiyo Yuden Taiyo Yuden Taiyo Yuden Taiyo Yuden
Mounting Type - Surface Mount Through Hole Surface Mount
Size / Dimension - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
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
Inductance - - - -
DC Resistance (DCR) - - - -
Tolerance - - - -
Current Rating (Amps) - - - -
Inductance Frequency - Test - - - -
Type - - - -
Shielding - - - -
Frequency - Self Resonant - - - -
Q @ Freq - - - -
Current - Saturation (Isat) - - - -
Ratings - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Series - - - -
Material - Core - - - -
Height - Seated (Max) - - - -

AQ10510NJ-T Datasheet PDF

Download AQ10510NJ-T pdf datasheets and Taiyo Yuden documentation for AQ10510NJ-T - Taiyo Yuden.

HTML Datasheet
HKQ, AQ Series, High Freq Catalog.pdf
PCN Obsolescence/ EOL
Mult Series 25/Feb/2021.pdf

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AQ10510NJ-T Image

AQ10510NJ-T

Taiyo Yuden
32D-AQ10510NJ-T

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

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