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Wurth Elektronik WE-LF Shielded Wirewound Surface Mount Inductor with Manganese Zinc Core 27 mH ±30 % 4 Pin 7446120027
Specifications
| Country of Origin | India |
|---|---|
| Brand | Wurth Elektronik |
| Height | 20.5mm |
| Length | 18.5mm |
| Depth | 13.5mm |
| Packaging | Tray |
| Series | WE-LF |
| Maximum Operating Temperature | 125°C |
| Minimum Operating Temperature | -25°C |
| Core Material | Manganese Zinc |
| Inductance | 27mH |
| Standards/Approvals | IEC 61249-2-21, JEDEC JS709B, REACH, RoHS |
| Maximum DC Current | 400mA |
| Pin Count | 4 |
| Maximum DC Resistance | 1.2Ω |
| Inductance Tolerance | ±30 % |
| Termination Style | Solder |
| Inductor Construction | Sector Winding |
Key Features
- Constructed with a manganese zinc core providing high-quality magnetic properties.
- Features sector winding construction to reduce leakage inductance.
- Rated for maximum DC current of 400mA ensuring reliable performance in circuits.
- Comes in a 4-pin solder termination package suitable for surface mounting.
- Maximum DC resistance of 1.2 Ω for efficient current flow.
- Designed to operate within temperature range from -25°C to 125°C.
- Shielded to minimize electromagnetic interference in sensitive electronic applications.
- Complies with IEC 61249-2-21, JEDEC JS709B, REACH, and RoHS standards ensuring safety and environmental compliance.
Product Description
Wurth Elektronik 7446120027 is a shielded wirewound surface mount inductor featuring a manganese zinc core and sector winding construction. It provides an inductance of 27 mH with a tolerance of ±30 %, making it suitable for various electronic circuits requiring reliable inductive components.
This inductor supports a maximum DC current of 400mA and has a maximum DC resistance of 1.2 Ω, balancing performance with power efficiency. Its compact dimensions of 18.5 mm length, 20.5 mm height, and 13.5 mm depth allow for seamless integration on printed circuit boards, optimized for space-constrained applications.
Designed with shielded construction, it reduces electromagnetic interference which is critical in maintaining signal integrity in power electronics and sensitive equipment. The 4-pin solder termination style ensures robust mechanical and electrical connection to the PCB.
The component operates reliably across a broad temperature range from -25°C up to 125°C, suitable for demanding industrial and commercial electronic environments. It meets multiple international standards, including IEC 61249-2-21, JEDEC JS709B, REACH, and RoHS, confirming its adherence to quality, safety, and environmental requirements.
Wurth Elektronik's WE-LF series inductors like this model 7446120027 are commonly used in mains filter circuits, power electronics, switch-mode power supplies, and any application requiring suppression of common-mode interference. Their sector winding and manganese zinc core offer wide frequency suppression and limited leakage fields, enabling efficient noise reduction in electronic systems.
Constructed with manganese zinc core for superior magnetic characteristics. Shielded for excellent EMI suppression. 4-pin solder termination ideal for surface mount technology. Compact dimensions for efficient PCB layout.
Wide operating temperature range from -25°C to 125°C. Compliant with IEC, JEDEC, REACH, and RoHS standards. Designed for use in mains filters and power electronics. Packaged in trays to enhance manufacturing efficiency. Explore the full range of Wurth Elektronik Surface Mount Inductors and other precision components on EnvMart for your next electronics design or manufacturing project.
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Frequently Asked Questions
This model features an inductance of 27 mH with a tolerance of ±30%.
It is rated for a maximum DC current of 400mA, ensuring reliable performance in various circuits.
The inductor has dimensions of 18.5 mm in length, 20.5 mm in height, and 13.5 mm in depth.
The maximum DC resistance is 1.2 Ω, which facilitates efficient current flow.
It operates reliably within a temperature range from -25°C to 125°C.
This inductor is constructed with a manganese zinc core, providing high-quality magnetic properties.
It features a 4-pin solder termination style, suitable for surface mounting on PCBs.
It complies with IEC 61249-2-21, JEDEC JS709B, REACH, and RoHS standards, ensuring safety and environmental compliance.
It features sector winding construction, which helps reduce leakage inductance.
This model is commonly used in mains filter circuits, power electronics, and switch-mode power supplies.
It is packaged in trays, which enhances manufacturing efficiency.
The shielded design minimizes electromagnetic interference, which is critical for maintaining signal integrity in sensitive electronic applications.
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