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SWPA6020S100MT
Shenzhen Sunlord Electronics Co., Ltd.
FIXED IND 10UH 1.4A 137MOHM SMD
17282 Pcs New Original In Stock
10 µH Shielded Drum Core, Wirewound Inductor 1.4 A 137mOhm Max Nonstandard
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5.0 / 5.0
- (329 Ratings)
SWPA6020S100MT
Product Overview
9876830
DiGi Electronics Part Number
SWPA6020S100MT-DGManufacturer
Shenzhen Sunlord Electronics Co., Ltd.
SWPA6020S100MT
Description
FIXED IND 10UH 1.4A 137MOHM SMDInventory
17282 Pcs New Original In Stock
10 µH Shielded Drum Core, Wirewound Inductor 1.4 A 137mOhm Max Nonstandard
Quantity
Minimum 1
Minimum 1
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SWPA6020S100MT Technical Specifications
Category
Fixed Inductors
Packaging
Tape & Reel (TR)
Series
SWPA
Product Status
Active
Type
Drum Core, Wirewound
Material - Core
Ferrite
Inductance
10 µH
Tolerance
±20%
Current Rating (Amps)
1.4 A
Current - Saturation (Isat)
2.1A
Shielding
Shielded
DC Resistance (DCR)
137mOhm Max
Q @ Freq
-
Frequency - Self Resonant
27MHz
Ratings
-
Operating Temperature
-40°C ~ 125°C
Inductance Frequency - Test
100 kHz
Features
-
Mounting Type
Surface Mount
Package / Case
Nonstandard
Supplier Device Package
-
Size / Dimension
0.236" L x 0.236" W (6.00mm x 6.00mm)
Height - Seated (Max)
0.079" (2.00mm)
Datasheet & Documents
HTML Datasheet
SWPA6020S100MT-DG
Environmental & Export Classification
Moisture Sensitivity Level (MSL)
1 (Unlimited)
ECCN
EAR99
HTSUS
8504.50.8000
Additional Information
Other Names
3442-SWPA6020S100MTTR
3442-SWPA6020S100MTDKR
3442-SWPA6020S100MTCT
Standard Package
2,500
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
이 회사는 제품의 품질뿐만 아니라 배송 시간도 정확해서 신뢰할 수 있습니다.
Dec 02, 2025
Ich bin sehr zufrieden mit meiner Erfahrung – freundlicher Service und tolle Preise.
Dec 02, 2025
Real-time tracking updates were a highlight, making me confident in the entire shipping process.
Dec 02, 2025
Excellent customer support! They responded quickly to all my inquiries.
Dec 02, 2025
Their support team provided personalized assistance that exceeded my expectations.
Dec 02, 2025
I've received my orders way ahead of schedule, which is crucial for my development cycle.
Dec 02, 2025
Customer support responded rapidly to my inquiries, resolving issues seamlessly.
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Frequently Asked Questions (FAQ)
What are the key design risks when selecting the SWPA6020S100MT for a high-current DC-DC buck converter operating near 1.4A output?
When using the SWPA6020S100MT in a buck converter near its 1.4A rated current, the primary risk is core saturation under transient or peak loads, as the saturation current (Isat = 2.1A at 30% inductance drop) leaves limited headroom. Designers should ensure peak inductor current (including ripple) stays below 1.8A to maintain stability and avoid abrupt inductance loss. Additionally, the DCR of 137mΩ will generate ~267mW conduction loss at 1.4A (I²R), requiring adequate PCB copper for thermal dissipation. Use thermal simulation or spot measurements during prototype to confirm temperature rise stays within acceptable limits under full load and high ambient conditions (up to 125°C).
How does the SWPA6020S100MT compare to the TDK VLS6045EX-100M in terms of shielding and EMI performance in space-constrained power circuits?
Both the SWPA6020S100MT and TDK VLS6045EX-100M are shielded drum-core inductors with similar 10µH values and 6mm x 6mm footprints, making them suitable for noise-sensitive applications. However, the SWPA6020S100MT offers lower DCR (137mΩ max vs. ~160mΩ for the VLS6045EX-100M), improving efficiency, but its self-resonant frequency (SRF = 27MHz) is slightly lower, increasing risk of resonance issues in high-frequency converters (e.g., >2MHz). For designs sensitive to EMI, especially in automotive or industrial environments, the SWPA6020S100MT’s ferrite shielding is effective, but board layout—like minimizing loop area and avoiding routing sensitive traces under or adjacent to the inductor—is critical to fully leverage its shielding. Consider parasitics and validate with EMI testing if operating near SRF.
Can the SWPA6020S100MT be used as a direct replacement for the Coilcraft XAL5030-102MEB in a 2MHz synchronous buck regulator?
Replacing the Coilcraft XAL5030-102MEB (1µH, but often miscompared due to package similarity) with the SWPA6020S100MT (10µH) requires careful evaluation beyond footprint compatibility. The SWPA6020S100MT has 10x higher inductance, which will significantly reduce ripple current but may destabilize loop response in a 2MHz converter tuned for 1µH operation. The self-resonant frequency of the SWPA6020S100MT (27MHz) is acceptable at 2MHz, but the increased inductance may require recompensating the control loop and verifying transient response. For true replacement scenarios, consider SWPA6020S1R0MT (1µH variant) instead. Always check saturation current and thermal performance under load when substituting across inductance values.
What PCB layout practices should be followed when integrating the SWPA6020S100MT to minimize thermal and EMI issues in a densely packed power stage?
To optimize performance of the SWPA6020S100MT in high-density designs, use wide, short copper traces (or polygon pours) for both input and output connections to reduce trace resistance and aid heat dissipation from its 137mΩ DCR. Avoid placing sensitive analog traces, feedback lines, or thermal sensors underneath or within 2mm of the inductor to prevent coupling from magnetic fields—even shielded cores have minor leakage. Use a solid ground plane beneath, but do not route high-speed or analog signals directly below the component. To manage temperature rise, include thermal vias under the mounting pads (if design allows) connected to internal or bottom-side thermal planes, especially in enclosed or high-ambient environments near 125°C.
How does the ±20% tolerance of the SWPA6020S100MT impact loop stability and output ripple in a feedback-controlled power supply?
The ±20% inductance tolerance of the SWPA6020S100MT means actual inductance can range from 8µH to 12µH, directly affecting ripple current and control loop dynamics. In a fixed-frequency buck converter, lower inductance (8µH) increases peak-peak ripple current by up to 25%, risking higher output voltage ripple and potential saturation. Higher inductance (12µH) slows transient response, possibly causing instability if compensation is not marginally designed. To mitigate, design control loop compensation to remain stable across this inductance range, simulate worst-case ripple (e.g., 8µH @ max Iout), and consider measuring actual inductance in early prototypes. Avoid tight-loop designs assuming a nominal 10µH without tolerance margins.
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SWPA6020S100MT CAD Models
Shenzhen Sunlord Electronics Co., Ltd. SWPA6020S100MT PCB symbols & footprints
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