B2138

Overview

The B2138 is an ADSL signal transformer manufactured by Pulse Electronics Corporation. It is designed for high-performance audio and signal transmission in digital subscriber line applications. The component features a compact surface-mount package with dimensions of 17.65 mm in length, 13.11 mm in width, and 13.46 mm in height. It operates within a temperature range of -45°C to +85°C and provides isolation up to 2000 Vrms. The transformer is matched to the Alcatel Microelectronics MTK-20131 ADSL chipset and meets UL1950 safety standards.

Feature Summary

• Matched specifically to the Alcatel Microelectronics MTK-20131 ADSL chipset for optimized performance
• Provides high isolation voltage up to 2000 Vrms for enhanced safety and signal integrity
• Delivers excellent total harmonic distortion (THD) performance for clear signal transmission
• Complies with UL1950 safety standards and supports ANSI and ETSI design requirements

Applications

• ADSL modem circuits
• Digital subscriber line interface boards
• Telecommunications equipment requiring high-isolation signal transformers

Procurement Notes

Verify the specific manufacturing date code and RoHS compliance status directly with the supplier or manufacturer before procurement. Confirm that the component matches the required Alcatel Microelectronics MTK-20131 chipset compatibility. Ensure the surface-mount package dimensions and pinout align with your PCB layout specifications. Check for any obsolescence notices or end-of-life announcements from Pulse Electronics. Request official datasheets and test reports to validate electrical parameters against your application requirements.

Selection Notes

Select the B2138 when designing ADSL systems that require precise matching to the Alcatel Microelectronics MTK-20131 chipset. Consider this component if high isolation voltage up to 2000 Vrms is critical for your circuit safety. Evaluate its suitability for environments requiring strict adherence to UL1950 standards. Ensure your design can accommodate the specified surface-mount package dimensions. Verify that the transformer's frequency response and THD characteristics meet your signal integrity needs.

Part Context

The B2138 belongs to Pulse Electronics' portfolio of audio and signal transformers, specifically tailored for ADSL applications. It is part of a series of components designed to support various telecommunications standards and chipsets. This transformer represents Pulse Electronics' focus on providing reliable, high-performance solutions for digital communication interfaces. Its design emphasizes compatibility with established industry chipsets while maintaining robust electrical isolation and signal quality.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult Pulse Electronics directly for potential cross-reference options or updated product lines.