B4021NL

Overview

The B4021NL is a VDSL pulse transformer manufactured by Pulse Electronics, designed for surface-mount technology (SMT) applications. It features a 1CT:1CT turns ratio and an inductance of 190µH. The component measures 7.62mm x 7.00mm with a maximum seated height of 6.35mm. It operates within a temperature range of -40°C to 85°C and is compatible with Broadcom and TI chipsets.

Feature Summary

• Designed specifically for VDSL signal transmission applications
• Surface-mount construction for automated assembly integration
• Compatible with major broadband chipset manufacturers

Applications

• VDSL modem circuitry
• Broadband communication interfaces
• Signal isolation for network equipment

Procurement Notes

Verify the specific datasheet revision and RoHS compliance status before procurement, as manufacturing notifications may affect specifications. Confirm that the surface-mount footprint matches the target PCB design. Ensure the operating temperature range meets the environmental requirements of the final assembly. Check for any product change notifications that might impact long-term availability or pin compatibility.

Selection Notes

Select this component when a 190µH inductance and 1CT:1CT ratio are required for VDSL applications. Ensure the SMT package dimensions fit the available board space. Verify compatibility with the specific Broadcom or TI chipset being utilized in the design. Consider the -40°C to 85°C operating range against the intended deployment environment.

Part Context

This part belongs to the family of audio and signal transformers produced by Pulse Electronics. It serves as a specialized magnetic component for digital subscriber line technologies, providing necessary impedance matching and isolation for high-speed data transmission over telephone lines.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult official distributor databases for cross-reference lists.