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HomeProductsInductors, Coils, ChokesFixed Inductors0402HS-6N8EGTS
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0402HS-6N8EGTS - Delta Electronics/Components

Manufacturer Part Number
0402HS-6N8EGTS
Manufacturer
Cyntec / Delta Electronics
Allelco Part Number
32D-0402HS-6N8EGTS
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
428,190 pcs available, New & Original
Parts Description
FIXED IND 6.8NH 680MA 83MOHM SMD
Package
0402
Data sheet
0402HS-6N8EGTS.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 428190
  • Unit Price: $0.127
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $0.127 $0.13
200+ $0.051 $10.20
500+ $0.049 $24.50
1000+ $0.048 $48.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

0402HS-6N8EGTS Tech Specifications
Delta Electronics/Components - 0402HS-6N8EGTS technical specifications, attributes, parameters and parts with similar specifications to Delta Electronics/Components - 0402HS-6N8EGTS

Product Attribute Attribute Value
Manufacturer Cyntec / Delta Electronics
Type Drum Core, Wirewound
Tolerance ±2%
Supplier Device Package 0402
Size / Dimension 0.050" L x 0.030" W (1.27mm x 0.76mm)
Shielding Unshielded
Series 0402HS
Ratings -
Q @ Freq 20 @ 250MHz
Package / Case 0402 (1005 Metric)
Package Tape & Reel (TR)
Operating Temperature -40°C ~ 125°C
Product Attribute Attribute Value
Mounting Type Surface Mount
Material - Core Ceramic
Inductance Frequency - Test 250 MHz
Inductance 6.8 nH
Height - Seated (Max) 0.024" (0.60mm)
Frequency - Self Resonant 4.8GHz
Features -
DC Resistance (DCR) 83mOhm
Current Rating (Amps) 680 mA
Current - Saturation (Isat) -
Base Product Number 0402HS

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 is the practical frequency range where the 0402HS-6N8EGTS maintains usable Q factor for RF filtering applications?
The 0402HS-6N8EGTS exhibits a Q of 20 at 250 MHz with a self-resonant frequency of 4.8 GHz, defining its operational window. Below 250 MHz, Q typically improves gradually, while above this point, losses increase as the inductor approaches its resonant peak. For RF applications, the component remains useful up to approximately 3.5–4.0 GHz before SRF-related degradation significantly impacts filtering effectiveness. This makes the 0402HS-6N8EGTS suitable for sub-6 GHz cellular, Wi-Fi, and ISM band designs, but marginal for mmWave or 5G FR2 applications requiring sharper filtering.
How does the 83mOhm DC resistance of the 0402HS-6N8EGTS affect thermal behavior at maximum current rating?
At the 680 mA maximum current rating, the 0402HS-6N8EGTS dissipates P = I²R = (0.68)² × 0.083 ≈ 38.4 mW. For a 0402 package with limited thermal mass, this represents substantial localized heating. Substrate thermal resistance typically ranges 150–250 K/W for 0402 components; the 0402HS-6N8EGTS would experience roughly 5.8–9.6 K rise above ambient under continuous maximum current. In high-density layouts or elevated ambient conditions (near 85°C operational limit), sustained full-current operation may cause inductance drift and Q degradation. Practical designs often operate the 0402HS-6N8EGTS at 60–70% of rated current to maintain margin and minimize thermal stress.
Can the 0402HS-6N8EGTS replace a larger inductor in an impedance matching network, or does its small 6.8 nH value limit redesign flexibility?
The 6.8 nH inductance of the 0402HS-6N8EGTS is fundamentally constrained by its small physical footprint and ceramic drum-core design. Replacement strategies depend on circuit intent: for high-frequency matching networks (2.4–5.8 GHz), the 0402HS-6N8EGTS is appropriately sized and offers minimal parasitics. However, if a design originally specified a larger inductor (e.g., 15–22 nH) for lower-frequency filtering or impedance transformation, substituting the 0402HS-6N8EGTS would require recalculation of matching networks, filter cutoff, and bandwidth trade-offs. The component's low inductance and relatively high DCR also make it unsuitable for energy storage or power conditioning roles where larger inductors with lower resistance are preferred.
How does the ±2% tolerance of the 0402HS-6N8EGTS impact filter center frequency stability in production designs?
With ±2% inductance tolerance, the 0402HS-6N8EGTS nominal value ranges 6.66–7.04 nH across the manufacturing distribution. In a simple LC filter where fₒ = 1/(2π√LC), a 2% inductance variance translates approximately to a 1% center frequency shift (assuming capacitor tolerance is tightly controlled). For narrowband applications like antenna tuning or resonant coupling, this 1% shift may be acceptable; for wideband designs, the 0402HS-6N8EGTS tolerance is negligible. However, in multi-stage filters or resonant tank circuits, tolerance stack-up across multiple inductors compounds. High-precision applications typically require individual screening, post-assembly tuning, or selection of matched component pairs to minimize 0402HS-6N8EGTS variance impact.
Why is the 0402HS-6N8EGTS unshielded, and what EMI implications does this have versus shielded alternatives?
The 0402HS-6N8EGTS uses an unshielded ceramic drum-core design to minimize cost, reduce parasitic capacitance, and achieve the compact 0402 (1.27 × 0.76 mm) footprint. Unshielded construction exposes its magnetic field to the surrounding circuit, which can cause crosstalk with nearby traces, components, or sensitive analog circuits. For high-speed digital designs or mixed-signal boards, the 0402HS-6N8EGTS unshielded topology may require increased trace spacing and layout discipline to prevent magnetic coupling into low-level signal paths. Shielded alternatives typically add 15–25% cost and increase height; they are justified only when measured crosstalk from the 0402HS-6N8EGTS justifies the trade-off. In most RF frontend applications where the 0402HS-6N8EGTS is deployed, unshielded geometry is acceptable because RF circuitry is inherently isolated and uses controlled impedance structures.
Is the 0402HS-6N8EGTS suitable for bias-tee applications in RF power amplifier output matching?
The 0402HS-6N8EGTS is poorly suited for RF power amplifier output matching due to three constraints. First, its current rating of 680 mA is marginal for modern PA outputs, which often demand 1–3 A continuous or higher peak current. Second, the 83 mOhm DCR introduces series losses that degrade efficiency and increase heat dissipation in the already thermally stressed PA output stage. Third, its 6.8 nH value is too small for low-frequency impedance transformation (most PA matching networks require 10–100 nH depending on frequency and output impedance). The 0402HS-6N8EGTS is more appropriate for bias-tee DC blocking in pre-driver stages or as part of low-inductance RF coupling networks where current levels are below 400 mA.
How does moisture sensitivity level (MSL) 1 rating affect handling and storage protocols for the 0402HS-6N8EGTS?
MSL 1 on the 0402HS-6N8EGTS means unlimited floor life—the component can remain exposed to ambient conditions indefinitely without moisture-related degradation or post-reflow cracking. This eliminates drying-oven requirements, extended lead times, and traceability overhead common with higher MSL devices. In high-volume manufacturing, the 0402HS-6N8EGTS MSL 1 status simplifies supply chain logistics and reduces production risk. However, tape-and-reel packaging still benefits from standard moisture barriers (desiccant packs) during long-term warehouse storage to protect downstream components in the reel and minimize oxidation of copper lead frames. The 0402HS-6N8EGTS tolerance to moisture is a practical advantage for job-shop and rapid-prototype environments where component lots may have extended dwell times before assembly.
What is the effective inductance of the 0402HS-6N8EGTS at frequencies approaching its 4.8 GHz self-resonant frequency?
Near the 4.8 GHz self-resonant frequency, the 0402HS-6N8EGTS inductance changes behavior dramatically. At resonance, the inductive reactance cancels capacitive reactance (from inter-winding coupling), and the impedance becomes purely resistive at approximately 83 mOhm (the DCR). Below SRF, the 0402HS-6N8EGTS behaves as an inductor with rising impedance magnitude. Above SRF, capacitive reactance dominates and impedance falls. Practical working bandwidth for the 0402HS-6N8EGTS is typically limited to 60–70% of SRF (roughly 2.9–3.4 GHz) to maintain stable inductive behavior. Beyond this point, circuit modeling requires explicit inclusion of parasitic capacitance, and Q factors collapse. For designs operating near 4 GHz, the 0402HS-6N8EGTS requires circuit simulation to verify expected performance.
How does the 0402HS-6N8EGTS compare to ferrite-core alternatives in terms of current handling and high-frequency stability?
The 0402HS-6N8EGTS ceramic drum core differs fundamentally from ferrite-core inductors in saturation behavior and frequency response. Ceramic cores are linear and do not saturate; inductance remains stable across the entire 680 mA current range, whereas ferrite cores show significant inductance collapse if pushed into saturation (typically 50–60% of rated current for small ferrites). However, ferrite cores exhibit higher Q at frequencies above 500 MHz due to lower core losses, while the 0402HS-6N8EGTS Q of 20 @ 250 MHz is more modest. For sub-2 GHz filtering, ferrite-core inductors often provide superior attenuation; for broadband 2–5 GHz impedance matching, the 0402HS-6N8EGTS ceramic design offers more predictable performance. The 0402HS-6N8EGTS also exhibits lower permeability temperature coefficient, making it more stable in thermal cycling environments compared to ferrite alternatives.
Can the 0402HS-6N8EGTS be used in parallel to achieve lower inductance values, and what are the practical limits?
Parallel connection of 0402HS-6N8EGTS inductors ideally produces inductance L_parallel ≈ 3.4 nH (for two units), approaching performance levels of ultra-low-inductance designs. In practice, parallel layouts introduce two complications: (1) PCB trace inductance and via coupling add parasitic series inductance that partially cancels the target reduction, and (2) unequal current distribution between parallel 0402HS-6N8EGTS units occurs unless matched pairs are used, causing localized heating in the higher-current branch. Parallel configurations work well for maintaining current rating (680 mA per unit, 1.36 A combined) while reducing inductance, but require careful layout with symmetrical bond wires and minimal trace separation. For designs demanding sub-5 nH inductance with >1 A capability, parallel 0402HS-6N8EGTS combinations are practical; beyond this, discrete very-low-inductance chip designs become more cost-effective.
What is the typical insertion loss of the 0402HS-6N8EGTS in a 50-ohm RF coupling or matching network?
Insertion loss in the 0402HS-6N8EGTS depends on circuit topology and frequency. At 250 MHz, where Q = 20, series resistance is approximately Z_series ≈ ωL/Q = (2π × 250e6 × 6.8e-9)/20 ≈ 0.0114 Ω (small compared to 83 mOhm DCR). The dominant loss mechanism is the 0402HS-6N8EGTS DCR itself. For a simple series coupling network, insertion loss is approximately 20 × log₁₀((50 + 0.083)/(50 - 0.083)) ≈ 0.003 dB—negligible. However, in narrowband resonant matching circuits operating near 4.8 GHz, parasitic capacitance and impedance mismatches create additional loss peaks. At mid-band (1–3 GHz), the 0402HS-6N8EGTS typically exhibits 0.01–0.05 dB insertion loss in well-matched networks, rising to 0.2–0.5 dB near SRF due to capacitive reactance effects.
How does the RoHS3 compliance of the 0402HS-6N8EGTS affect long-term reliability in high-humidity or corrosive environments?
RoHS3 compliance on the 0402HS-6N8EGTS ensures absence of six restricted substances (lead, cadmium, mercury, chromium-VI, PBB, PBDE). This eliminates lead-based solder whisker growth and certain degradation modes associated with legacy RoHS 1 lead-free transitions. However, RoHS3 compliance does not inherently improve corrosion resistance in high-humidity or salt-fog environments. The 0402HS-6N8EGTS ceramic drum core is inherently resistant to moisture; concern arises from copper lead frames or solder joints exposed during manufacturing or rework. In coastal or high-humidity applications, the 0402HS-6N8EGTS benefits from protective conformal coating (acrylic or silicone) applied to the entire board. The unshielded design of the 0402HS-6N8EGTS means its ceramic body and wire windings are directly exposed; RoHS3 status ensures that solder joints meeting RoHS specifications are used during assembly, but post-assembly board-level protection is still recommended for severe environments.
What thermal management strategies should be employed when the 0402HS-6N8EGTS operates continuously at or near 680 mA in a compact RF module?
Continuous 680 mA operation of the 0402HS-6N8EGTS generates approximately 38.4 mW heat in a 0402 package with very limited heat dissipation area. In compact RF modules, three strategies mitigate thermal stress: (1) Reduce duty cycle by implementing intermittent or burst transmission (RF PA duty cycles often run 10–30%, significantly lowering average dissipation in the 0402HS-6N8EGTS); (2) Increase PCB thermal coupling by placing the 0402HS-6N8EGTS on internal layers with wide ground planes and thermal vias, improving heat spreading; (3) Operate the 0402HS-6N8EGTS at 60–70% of rated current (480 mA), reducing dissipation to ~26 mW and lowering junction temperature rise. Combined with copper-pour area around the 0402HS-6N8EGTS component and controlled ambient temperature, these techniques keep the inductor below 75°C even in 55°C ambient. Simulation of thermal coupling between the 0402HS-6N8EGTS and neighboring high-power components (PA die, power supply) is essential in integrated RF modules.

Parts with Similar Specifications

The three parts on the right have similar specifications to Delta Electronics/Components 0402HS-6N8EGTS

Product Attribute 0402HS-6N8EKTS 0402HS-6N2EGTS 0402HS-680EGTS 0402HS-6N8EJTS
Part Number 0402HS-6N8EKTS 0402HS-6N2EGTS 0402HS-680EGTS 0402HS-6N8EJTS
Manufacturer Delta Electronics/Components Delta Electronics/Components Delta Electronics/Components Delta Electronics/Components
Inductance Frequency - Test - - - -
Size / Dimension - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Type - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Material - Core - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Frequency - Self Resonant - - - -
Q @ Freq - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Height - Seated (Max) - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Inductance - - - -
Tolerance - - - -
DC Resistance (DCR) - - - -
Shielding - - - -
Current Rating (Amps) - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Ratings - - - -
Current - Saturation (Isat) - - - -
Features - - - Simultaneous Sampling
Series - - - -

0402HS-6N8EGTS Datasheet PDF

Download 0402HS-6N8EGTS pdf datasheets and Delta Electronics/Components documentation for 0402HS-6N8EGTS - Delta Electronics/Components.

Datasheets
0402HS Series Part Numbering.pdf

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0402HS-6N8EGTS Image

0402HS-6N8EGTS

Delta Electronics/Components
32D-0402HS-6N8EGTS

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