SWPA4012S
The current characteristics are over 30% higher than those of traditional inductors of the same size, saving space and being more energy-efficient.
- Brand： Sunlord
- Size/Package： 4.0 x 4.0 x 1.2 mm
- Parameter： 0.82 - 100μH
- Rated Current： 0.25 - 3.02A
- Package： SMD
- Operating Temp： -40℃~+125℃
- Applications： Smartphones / Smart TVs / Set-top boxes / Car navigation and entertainment systems / Communication equipment / Virtual Reality / Augmented Reality / LED Lighting
- Parameters
- Brand： Sunlord
- Size/Package： 4.0 x 4.0 x 1.2 mm
- Parameter： 0.82 - 100μH
- Rated Current： 0.25 - 3.02A
- Package： SMD
- Operating Temp： -40℃~+125℃
- Applications： Smartphones / Smart TVs / Set-top boxes / Car navigation and entertainment systems / Communication equipment / Virtual Reality / Augmented Reality / LED Lighting
SWPA4012S | Wire Wound SMD Power Inductors (SWPA)
Product Introduction
Sunlord SWPA4012S is a wire-wound SMD power inductor from the SWPA series in 4012 (4.0×4.0×1.2mm). Magnetic-glue coating provides shielding with very low buzz noise, and metallised electrodes add shock resistance; 0.82μH~100μH operates from -40°C~+125°C (including self-heating) in smartphone, TV, STB, notebook, car-navigation, VR/AR and LED-lighting DC-DC rails.
Core Advantages
- Wire Wound SMD Power Inductors (SWPA): 4012 (4.0×4.0×1.2 mm), 0.82–100 μH — magnetic-glue shielding with metallised impact-resistant electrodes and very low buzz noise.
- Low DCR, high current: DCR 0.05Ω~2.210Ω; saturation current up to 3.3A — high DC-bias performance in a 4012 body.
- Supply: YQM ELECTRONICS holds Sunlord stock with fast samples, datasheets and FAE support for volume programs.
Key Specifications
| Parameter | Value |
|---|---|
| Type | Wire Wound SMD Power Inductor (SWPA series) |
| Package Size | 4012 (4.0×4.0×1.2mm) |
| Operating Temperature | -40°C~+125°C |
| Inductance Range | 0.82μH~100μH |
| Tolerance | ±20% / ±30% |
| DC Resistance (DCR) | 0.05Ω~2.210Ω |
| Saturation Current (Isat) | 0.3A~3.3A |
| RMS Current (Irms) | 0.35A~2.50A |
| Self-Resonant Frequency (SRF) | 9.4MHz~150MHz |
Cross Reference & Replacement
Cross-reference alternatives:
- TDK — A same-spec part from a globally recognized passive-component maker — compatible footprint, matched process and key parameters, stable worldwide supply; a proven drop-in for this application class.
- Murata — A same-spec part from a leading passive-component maker — matched core features such as magnetic shielding and low DCR; widely used as an alternative in the supply chain.
- Fenghua Advanced — A same-spec part from a leading Chinese passive-component maker — land-pattern compatible, ample domestic capacity, short lead times and strong cost-performance for localized BOM programs.
Applications
smartphones, smart TVs and set-top boxes
notebooks and in-car navigation systems
VR/AR devices and LED lighting drivers
high-efficiency buck converter stages
FAQ
Q: How is Isat / Irms defined for SWPA inductors?
A: Isat is the current at which inductance drops about 30 %; Irms is the current causing a 40 °C temperature rise (ΔT = 40 °C).
Q: Is SWPA4012S mechanically robust?
A: Yes — metallised electrodes and the magnetic-glue body improve shock resistance versus conventional molded parts.
Related Products
- → SWPA252010S
- → SWPA3010S
- → SWPA4010S
- → Power Circuits
- → All Inductors
- → Sunlord Products
- → Browse All Products
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