SDR0403-101KL

The SDR0403-101KL is a surface-mount power inductor from Bourns, designed for high-current applications. Key features:
- Inductance: 100 µH (±10%)
- Current Rating: Up to 1.02 A (saturation)
- DC Resistance (DCR): 1.45 Ω (max)
- Size: 4.5 x 4.0 x 3.2 mm (0403 footprint)
- Operating Temp: -40°C to +125°C
Ideal for power supplies, DC-DC converters, and filtering circuits, it offers stable performance under high loads. Its shielded construction minimizes EMI, making it suitable for compact, noise-sensitive designs.
For detailed specs, refer to the Bourns datasheet.

Equivalent products to the SDR0403-101KL (Bourns) inductor include:
- LPS3015-101ML (Coilcraft)
- NR3015T101M (Taiyo Yuden)
- VLS3015ET-101M (TDK)
- MHQ1005P101K (Panasonic)
These are 100µH (101), 1.5A+, 0403-size shielded power inductors with similar specs. Verify current rating, DCR, and tolerance for exact replacement.

The SDR0403-101KL is a surface-mount power inductor with 2 pins.
Key Functions:
- Inductance: 100 µH (±10%)
- Current Rating: Typically 0.3A (saturation) to 0.45A (thermal max)
- Applications: Power supply filtering, DC-DC converters, and noise suppression in compact circuits.
Pin Configuration:
- Simple 2-terminal design (anode/cathode not applicable; polarity-independent).
Package:
- 0403 case size (~4.0mm x 3.0mm).

The SDR0403-101KL is a surface-mount power inductor manufactured by Bourns, Inc., a globally recognized electronics company specializing in passive components, circuit protection, and sensors.
Bourns, founded in 1947 and headquartered in Riverside, California, is known for its high-quality inductors, resistors, and magnetic components. The company serves industries like automotive, industrial, and consumer electronics, emphasizing reliability and innovation.
The SDR0403-101KL is part of Bourns' SRF/SDR series, designed for compact, high-efficiency power applications. It features a 100 µH inductance (±10%) and is commonly used in DC-DC converters and power supplies.
Bourns is a trusted supplier, adhering to stringent quality standards, making its components widely used in demanding electronic designs.

The SDR0403-101KL (10 µH, 1 A) inductor is commonly used in:
1. Power Supplies – DC-DC converters, voltage regulators.
2. Consumer Electronics – Smartphones, tablets, wearables.
3. Automotive Electronics – Infotainment, ADAS, power modules.
4. IoT Devices – Low-power wireless sensors, connectivity modules.
5. RF Circuits – Filtering and impedance matching.
Its compact 0403 size and high efficiency make it ideal for space-constrained, high-frequency applications.

The SDR0403-101KL is a surface-mount device (SMD) power inductor from Bourns. It features a shielded drum core design, offering low electromagnetic interference (EMI) and high efficiency. The package type is 0403, measuring 4.5mm x 4.0mm x 3.2mm. It has a 10.1µH inductance and is commonly used in DC-DC converters, power supplies, and filtering applications.