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SWPA252012SR47NT
Shenzhen Sunlord Electronics Co., Ltd.
FIXED IND 470NH 2.15A 61MOHM SMD
2301 Pcs New Original In Stock
470 nH Shielded Drum Core, Wirewound Inductor 2.15 A 61mOhm Max 1008 (2520 Metric)
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5.0 / 5.0
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SWPA252012SR47NT
Product Overview
9882047
DiGi Electronics Part Number
SWPA252012SR47NT-DGManufacturer
Shenzhen Sunlord Electronics Co., Ltd.
SWPA252012SR47NT
Description
FIXED IND 470NH 2.15A 61MOHM SMDInventory
2301 Pcs New Original In Stock
470 nH Shielded Drum Core, Wirewound Inductor 2.15 A 61mOhm Max 1008 (2520 Metric)
Quantity
Minimum 1
Minimum 1
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SWPA252012SR47NT Technical Specifications
Category
Fixed Inductors
Packaging
Tape & Reel (TR)
Series
SWPA
Product Status
Active
Type
Drum Core, Wirewound
Material - Core
Ferrite
Inductance
470 nH
Tolerance
±30%
Current Rating (Amps)
2.15 A
Current - Saturation (Isat)
3.82A
Shielding
Shielded
DC Resistance (DCR)
61mOhm Max
Q @ Freq
-
Frequency - Self Resonant
160MHz
Ratings
-
Operating Temperature
-40°C ~ 125°C
Inductance Frequency - Test
100 kHz
Features
-
Mounting Type
Surface Mount
Package / Case
1008 (2520 Metric)
Supplier Device Package
1008
Size / Dimension
0.098" L x 0.079" W (2.50mm x 2.00mm)
Height - Seated (Max)
0.047" (1.20mm)
Datasheet & Documents
HTML Datasheet
SWPA252012SR47NT-DG
Environmental & Export Classification
Moisture Sensitivity Level (MSL)
1 (Unlimited)
ECCN
EAR99
HTSUS
8504.50.8000
Additional Information
Other Names
3442-SWPA252012SR47NTTR
Standard Package
2,000
Alternative Parts
View DetailsPART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
가격이 저렴한데다 오래 쓸 수 있어 정말 만족스럽습니다.
Dec 02, 2025
Je suis ravi du service personnalisé chez DiGi Electronics, ils répondent à mes attentes à chaque fois.
Dec 02, 2025
Durch die große Lagerhaltung bei DiGi Electronics kann ich immer auf alles zugreifen, was ich brauche.
Dec 02, 2025
Their after-sales team goes above and beyond to ensure customer issues are resolved effectively.
Dec 02, 2025
The support experience with DiGi Electronics affirms our decision to partner with them.
Dec 02, 2025
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Dec 02, 2025
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Frequently Asked Questions (FAQ)
What are the key design risks when using the SWPA252012SR47NT in high-frequency power stages above 100MHz?
When integrating the SWPA252012SR47NT in high-frequency power stages near or above 100MHz, the primary design risk is operating close to its self-resonant frequency (SRF) of 160MHz. As frequencies approach SRF, inductive behavior degrades and parasitic capacitance dominates, reducing effective inductance and potentially destabilizing control loops. To mitigate this risk, ensure operating frequency stays below 80% of SRF (ideally <128MHz) and verify impedance performance with network analyzer testing in-circuit. Additionally, minimize PCB parasitics through tight layout practices to prevent unintended resonance shifts that could compromise efficiency or noise filtering.
How does the ±30% inductance tolerance of the SWPA252012SR47NT impact stability in tight-regulation DC-DC converters?
The ±30% inductance tolerance of the SWPA252012SR47NT introduces significant variability in inductor energy storage and ripple current, which can affect feedback loop stability and transient response in precision DC-DC designs. In converters requiring tight output regulation (e.g., point-of-load for FPGAs), this wide tolerance may necessitate compensating with a more robust control loop or higher output capacitance. For risk mitigation, simulate worst-case inductance extremes (329 nH to 611 nH) in your loop compensation model and validate stability under load transients. Consider tighter-tolerance alternatives if loop bandwidth is highly sensitive to inductance variation.
Can the SWPA252012SR47NT directly replace the SDCL1V2512-R47N-R in existing designs, and what integration risks should be considered?
While the SWPA252012SR47NT and SDCL1V2512-R47N-R share similar package (2520 metric), inductance (470nH), and DCR (~61mΩ), direct replacement requires careful evaluation. The SWPA252012SR47NT has a higher saturation current (3.82A vs ~3.3A typical for SDCL), which is advantageous, but differences in core material and shielding can affect EMI performance and temperature rise. Verify magnetic field leakage in high-density layouts, as shielding effectiveness may vary. Additionally, confirm thermal derating curves match under your load conditions, and recheck SRF alignment with switching frequency due to potential construction differences affecting parasitic capacitance.
What thermal derating considerations should be applied to the SWPA252012SR47NT in compact, high-ambient-temperature environments?
The SWPA252012SR47NT is rated for 2.15A under ideal thermal conditions, but in compact layouts or ambient temperatures above 85°C, significant derating is required to avoid overheating or accelerated aging. The inductor's ferrite core and low DCR (61mΩ max) help, but limited surface area (2.5mm x 2.0mm) restricts heat dissipation. To ensure reliability, measure temperature rise under full load in the final assembly, aiming to keep case temperature below 110°C. Use thermal vias under ground pads, avoid placing near hot components, and consider reducing RMS current by 20–30% in sealed or high-temperature enclosures to maintain long-term performance and avoid inductance drift.
What PCB layout practices are critical to maintain the SWPA252012SR47NT's shielding effectiveness and current handling in power applications?
To preserve the SWPA252012SR47NT's shielded performance and current capability, follow tight PCB layout practices: use wide, short traces (≥0.5mm) to minimize resistance and inductance; place the inductor away from sensitive signals to prevent coupling despite shielding; and connect both pads with abundant copper for thermal and electrical conduction. Avoid routing high-speed signals underneath or adjacent to the inductor. Ensure symmetry in the power loop to reduce EMI, and anchor the component with adequate solder fillet to handle thermal cycling. Proper layout prevents localized heating, maintains DCR advantages, and ensures shielding remains effective in mitigating electromagnetic interference in dense power electronics.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
SWPA252012SR47NT CAD Models
Shenzhen Sunlord Electronics Co., Ltd. SWPA252012SR47NT PCB symbols & footprints
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