The SWPA4030S1R2NT is a shielded wire-wound SMD power inductor manufactured by Sunlord Electronics. Belonging to the SWPA4030S series, this component features a nominal inductance of 1.2μH, an inductance tolerance of ±30%, and a heat rating current of up to 3.82A. It is designed for efficient energy storage and power management applications in various electronic devices.
The inductor utilizes a ferrite core and magnetic-resin shielded construction, helping reduce magnetic flux leakage and electromagnetic interference (EMI). Its closed magnetic circuit design provides improved electromagnetic compatibility and reliable inductance characteristics for modern electronic circuits.
The SWPA4030S1R2NT features a maximum DC resistance of 20mΩ and a typical DC resistance of 15mΩ, helping minimize power losses during operation. Its maximum saturation current is 5.80A, with a typical value of 6.30A. The maximum heat rating current (Irms) is 3.82A, with a typical value of 4.20A, supporting efficient power conversion and current handling.
This component has a minimum self-resonant frequency of 80MHz and an inductance test frequency of 100kHz at 1V. Its electrical characteristics make it suitable for DC-DC converters, switching power supplies, voltage regulation circuits, and other power management applications.
The SWPA4030S1R2NT features a compact 4.0 × 4.0 × 3.0mm surface-mount package, making it suitable for space-efficient PCB layouts and automated surface-mount technology (SMT) assembly. Its shielded magnetic structure helps minimize electromagnetic interference between neighboring electronic components.
The inductor operates across a temperature range of -40°C to +125°C, including self-heating, supporting reliable performance under various operating conditions.
The Sunlord SWPA4030S1R2NT is suitable for smartphones, smart TVs, set-top boxes, notebook computers, car navigation systems, telecommunications base stations, VR and AR devices, LED lighting, and other electronic equipment requiring compact and reliable power inductors.
The component is supplied in tape-and-reel packaging, supporting automated pick-and-place assembly and high-volume electronic manufacturing.
Key Features:
- Manufacturer: Sunlord Electronics
- Part Number: SWPA4030S1R2NT
- Product Series: SWPA4030S Series
- Product Type: Shielded Wire-Wound SMD Power Inductor
- Inductance: 1.2μH
- Inductance Tolerance: ±30%
- Maximum Heat Rating Current (Irms): 3.82A
- Typical Heat Rating Current: 4.20A
- Maximum Saturation Current (Isat): 5.80A
- Typical Saturation Current: 6.30A
- Maximum DC Resistance: 20mΩ
- Typical DC Resistance: 15mΩ
- Minimum Self-Resonant Frequency: 80MHz
- Inductance Test Frequency: 100kHz / 1V
- Core Material: Ferrite
- Construction: Wire Wound
- Shielding: Magnetic-Resin Shielded Construction
- Package Dimensions: 4.0 × 4.0 × 3.0mm
- Operating Temperature: -40°C to +125°C
- Mounting Type: Surface Mount (SMD/SMT)
- Packaging: Tape and Reel
- Standard Reel Quantity: 2,000 Pieces (Distributor Catalog Reference)
Typical Applications:
- DC-DC converters
- Switching power supplies
- Power management circuits
- Voltage regulation circuits
- Smartphones and smart TVs
- Set-top boxes
- Notebook computers
- Car navigation systems
- Telecommunications base stations
- VR and AR electronic devices
- LED lighting systems
- Consumer and industrial electronics
The Sunlord SWPA4030S1R2NT combines 1.2μH inductance, a 3.82A maximum heat rating current, and shielded wire-wound construction in a compact 4.0 × 4.0mm SMD package. Its ferrite core, low DC resistance, and closed magnetic circuit design make it a practical solution for electronic manufacturers, hardware engineers, and procurement teams seeking reliable power inductors for modern power conversion and electronic applications.
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