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HomeProductsInductors, Coils, ChokesFixed InductorsPA5007.682NLT
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PA5007.682NLT - Pulse Electronics

Manufacturer Part Number
PA5007.682NLT
Manufacturer
Pulse Electronics
Allelco Part Number
98D-PA5007.682NLT
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
46,338 pcs available, New & Original
Parts Description
FIXED IND 6.8UH 6.8A 42.5MOHM SM
Package
Nonstandard
Data sheet
PA5007.682NLT.pdf

Environmental Information

Pulse Larson REACH.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 46338
  • Unit Price: $1.19
  • Subtotal: $0.00

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1+ $1.19 $1.19
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

PA5007.682NLT Tech Specifications
Pulse Electronics - PA5007.682NLT technical specifications, attributes, parameters and parts with similar specifications to Pulse Electronics - PA5007.682NLT

Product Attribute Attribute Value
Manufacturer Pulse Electronics
Type Molded
Tolerance ±20%
Supplier Device Package -
Size / Dimension 0.307" L x 0.299" W (7.80mm x 7.60mm)
Shielding Shielded
Series PA5007.XXXNLT
Ratings -
Q @ Freq -
Package / Case Nonstandard
Package Tape & Reel (TR)
Product Attribute Attribute Value
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Material - Core Ferrite
Inductance Frequency - Test 100 kHz
Inductance 6.8 µH
Height - Seated (Max) 0.122" (3.10mm)
Frequency - Self Resonant -
Features -
DC Resistance (DCR) 42.5mOhm Max
Current Rating (Amps) 6.8 A
Current - Saturation (Isat) 12A

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 applications benefit from the PA5007.682NLT's 6.8µH inductance and 6.8A current rating combination?
The PA5007.682NLT is optimized for intermediate-inductance applications requiring moderate current handling, particularly in point-of-load (POL) regulators, DC-DC converter output filtering, and soft-switching power stages where 6.8µH provides sufficient energy storage without excessive parasitic resistance. The 6.8A continuous rating with 12A saturation current positions the PA5007.682NLT effectively in 24V/48V distribution architectures and industrial power supplies where saturation margin is critical for transient recovery.
How does the 42.5mOhm DCR of the PA5007.682NLT affect thermal performance in sustained current applications?
The PA5007.682NLT exhibits resistive losses of approximately 1.96W at 6.8A continuous operation (6.8² × 0.0425Ω), which translates to significant thermal generation in compact magnetic components. For designs near thermal limits, the PA5007.682NLT's DCR demands active thermal management or conservative current de-rating, particularly in the 0.307" × 0.299" footprint where heat dissipation is constrained. This resistance profile makes the PA5007.682NLT suitable for applications tolerating higher losses in exchange for reduced board space rather than efficiency-critical paths.
Why does the PA5007.682NLT specify a 12A saturation current when the continuous rating is only 6.8A?
The PA5007.682NLT provides a 1.76× saturation margin (12A sat / 6.8A rated) to accommodate transient current spikes without permanent loss of inductance. This design margin in the PA5007.682NLT is typical for molded ferrite inductors operating in buck or boost topologies where load-step transients or input voltage discontinuities create temporary overcurrent conditions. The PA5007.682NLT's saturation headroom enables practical circuit operation with transient peaks exceeding 8A while maintaining inductance stability and avoiding magnetic saturation-induced collapse that would degrade filtering effectiveness.
How should the PA5007.682NLT be compared to thin-film or air-core inductors for the same 6.8µH value in high-frequency switching applications?
The PA5007.682NLT uses molded ferrite construction, which delivers higher inductance density and lower DCR per µH compared to air-core alternatives, but introduces ferrite core losses and frequency-dependent behavior that air cores avoid. Thin-film inductors typically achieve lower DCR than the PA5007.682NLT's 42.5mOhm specification but occupy significantly larger PCB area for equivalent inductance. The PA5007.682NLT's ferrite core becomes increasingly lossy above ~5MHz switching frequency, making it better suited to PWM controllers operating at 500kHz or lower rather than resonant topologies requiring high Q factors.
What design considerations apply when using the PA5007.682NLT in a converter that experiences thermal cycling between -40°C and 125°C?
The PA5007.682NLT maintains operational capability across the full -40°C to 125°C range specified for industrial environments, but ferrite permeability in molded inductors typically decreases 10–20% from cold to hot conditions, causing inductance variation within the PA5007.682NLT's ±20% manufacturing tolerance. At 125°C, the PA5007.682NLT's effective inductance may drop toward the lower tolerance boundary while DCR increases due to copper resistivity temperature coefficient (~0.4%/°C), reducing efficiency and increasing thermal load. Thermal cycling in the PA5007.682NLT can cause internal stress if mechanical strain exceeds the molding compound's expansion limits, potentially degrading performance after repeated thermal shock.
Does the PA5007.682NLT's shielding affect its electromagnetic compatibility with nearby high-speed digital circuits?
Shielding in the PA5007.682NLT is molded ferrite, which contains radiated magnetic fields more effectively than unshielded designs, reducing EMI coupling into adjacent signal traces. However, the PA5007.682NLT's shield effectiveness varies with frequency; at 100kHz (the PA5007.682NLT's inductance test frequency), shielding provides moderate attenuation, but efficiency decreases toward microwave frequencies where ferrite absorption limits shield performance. For layouts where the PA5007.682NLT sits near high-speed serial buses or RF components, the shielded molded design substantially reduces crosstalk compared to unshielded alternatives, though passive filtering remains necessary for full EMC compliance.
How does the PA5007.682NLT compare to competing 6.8µH molded inductors with lower DCR specifications?
The PA5007.682NLT's 42.5mOhm maximum DCR is mid-range for 6.8µH molded inductors; competing parts with <30mOhm DCR typically achieve lower loss through larger core volumes, higher copper fill factors, or alternative ferrite materials, but trade reduced board space efficiency and increased cost. The PA5007.682NLT's compact 7.80mm × 7.60mm × 3.10mm envelope prioritizes footprint over minimum loss, making it preferable for space-constrained layouts where the PA5007.682NLT's higher DCR is acceptable. Selecting lower-DCR alternatives to the PA5007.682NLT adds cost and complexity for marginal thermal improvement unless the design operates continuously near saturation current or thermal limits.
What precautions apply when soldering the PA5007.682NLT given its MSL 1 rating and molded construction?
The PA5007.682NLT carries MSL 1 (Unlimited) moisture sensitivity, meaning moisture absorption and reflow-induced stress are minimal concerns compared to higher MSL components. The molded ferrite body of the PA5007.682NLT is mechanically robust but vulnerable to rapid thermal shock during reflow; excessive heating ramp rates or localized hot spots can initiate internal cracks in the PA5007.682NLT's ferrite core or cause solder joint mechanical failure. Standard reflow profiles with PA5007.682NLT peak temperatures in the 245–260°C range and ramp rates <3°C/second minimize risk; hand soldering the PA5007.682NLT with controlled iron temperatures <350°C is feasible but requires skill to avoid thermal overstress to the component leads.
Can the PA5007.682NLT be paralleled to reduce DCR and increase current capacity in high-current power stages?
Paralleling the PA5007.682NLT inductors presents practical challenges because molded ferrite inductors exhibit significant inductance variation (±20% tolerance) and frequency-dependent behavior that causes unequal current distribution between parallel branches. If two PA5007.682NLT units are paralleled, the unit with lower inductance carries proportionally higher current, potentially saturating prematurely and creating thermal imbalance. Parallel PA5007.682NLT configurations require matched inductance values, identical thermal environments, and careful layout symmetry to maintain stability; this complexity generally makes selecting a higher-current single inductor preferable to paralleling multiple PA5007.682NLT units unless matched pairs are sourced and thermally bonded.
What is the practical frequency range where the PA5007.682NLT maintains stable inductance and acceptable losses?
The PA5007.682NLT is characterized at 100kHz, where its inductance and losses are specified. Molded ferrite inductors like the PA5007.682NLT exhibit rising core losses above 500kHz due to hysteresis and eddy-current effects in the ferrite material, making the PA5007.682NLT less suitable for resonant topologies or switch-mode supplies operating above ~2MHz. Below 100kHz, the PA5007.682NLT's losses decrease, but the inductance may deviate from the 100kHz measurement due to frequency-dependent permeability. For applications combining the PA5007.682NLT in mixed switching frequencies (e.g., PWM + high-frequency auxiliary supplies), the PA5007.682NLT should be evaluated at the dominant switching frequency rather than at 100kHz specification conditions.
How does the ±20% inductance tolerance of the PA5007.682NLT impact feedback compensation and loop stability in regulated power supplies?
The PA5007.682NLT's ±20% tolerance creates manufacturing-to-manufacturing variation in converter output impedance and control-loop crossover frequency. In a buck converter using the PA5007.682NLT, a unit at the +20% upper tolerance boundary exhibits 8.16µH effective inductance, reducing output voltage ripple and shifting the converter's bandwidth lower compared to a PA5007.682NLT at the -20% lower boundary (5.44µH). Feedback compensation loops designed for nominal PA5007.682NLT performance (6.8µH) may become suboptimally damped or even unstable if a batch of PA5007.682NLT units clusters toward tolerance extremes. Critical designs using the PA5007.682NLT should employ tighter inductor screening or accept wider compensation margins.
Does the PA5007.682NLT's nonstandard package size affect PCB layout routing and thermal management compared to industry-standard packages?
The PA5007.682NLT's nonstandard 7.80mm × 7.60mm × 3.10mm footprint creates layout asymmetry compared to standardized 1210 (3.2mm × 2.5mm) or 1812 (4.6mm × 3.2mm) molded inductor footprints, complicating automated PCB design library matching and limiting interchangeability. However, the PA5007.682NLT's footprint is compact enough for modern mixed-signal boards; thermal considerations demand board-plane copper beneath the PA5007.682NLT for heat sinking, as the 1.96W dissipation at 6.8A can elevate junction temperature significantly in isolated component mounting. Engineers must manually verify the PA5007.682NLT fits PCB design rules and ensure thermal layer connectivity rather than relying on standard library automation.
What risk factors should drive qualification testing if substituting the PA5007.682NLT for a competing 6.8µH inductor with similar electrical ratings?
Substituting any inductor for the PA5007.682NLT introduces risk in three dimensions: (1) ferrite core material composition affects frequency response and thermal behavior—a substitute with different ferrite chemistry may exhibit DCR temperature coefficient or saturation characteristics differing from the PA5007.682NLT's, requiring re-measurement of converter efficiency across temperature; (2) package mechanical design affects solder joint reliability and thermal coupling—the PA5007.682NLT's nonstandard package may mount differently, altering stress distribution; (3) core loss characteristics determine thermal generation at actual switching frequencies, which may diverge from 100kHz nameplate conditions. Full substitution validation for the PA5007.682NLT should include thermal cycling, transient current pulse testing, and bench measurement of output ripple and feedback loop phase margin before production release.

Parts with Similar Specifications

The three parts on the right have similar specifications to Pulse Electronics PA5007.682NLT

Product Attribute PA5007.562NLT PA5007.822NLT PA5007.472NLT PA5006.681NLT
Part Number PA5007.562NLT PA5007.822NLT PA5007.472NLT PA5006.681NLT
Manufacturer Pulse Electronics Pulse Electronics Pulse Electronics Pulse Electronics
Q @ Freq - - - -
Material - Core - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Tolerance - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Features - - - Simultaneous Sampling
Inductance - - - -
Ratings - - - -
Current - Saturation (Isat) - - - -
Size / Dimension - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Type - - - -
Inductance Frequency - Test - - - -
Height - Seated (Max) - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Shielding - - - -
Current Rating (Amps) - - - -
Series - - - -
Frequency - Self Resonant - - - -
DC Resistance (DCR) - - - -

PA5007.682NLT Datasheet PDF

Download PA5007.682NLT pdf datasheets and Pulse Electronics documentation for PA5007.682NLT - Pulse Electronics.

Environmental Information
Pulse Larson REACH.pdf

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PA5007.682NLT Image

PA5007.682NLT

Pulse Electronics
98D-PA5007.682NLT

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

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