B2038

Description：CMC
Series：-
Mfr：Pulse Electronics
Package：Bulk

SKU:305e923cec07 Category: Common Mode Chokes Brand: Pulse Electronics

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Product introduction

Product Detailed Parameters

Description：CMC
Series：-
Mfr：Pulse Electronics
Package：Bulk
Filter Type：-
Number of Lines：-
Current Rating (Max)：-
DC Resistance (DCR) (Max)：-
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Voltage Rating - AC：-
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Impedance @ Frequency：-
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B2038

Overview

The B2038 is a line common mode choke manufactured by Pulse Electronics, designed for ADSL applications. It features through-hole mounting with PC pins and operates within a temperature range of -40°C to 85°C. The component provides an isolation voltage of up to 2000 Vrms and exhibits excellent total harmonic distortion (THD) performance. It has a primary resistance of 1.2 Ohms and an inductance of 0.44 mH. The physical height is 12.7 mm. This device is matched to the Alcatel Microelectronics MTK-20131 ADSL chipset and complies with UL1950 standards.

Feature Summary

Provides high isolation voltage capability up to 2000 Vrms
Engineered specifically for compatibility with Alcatel Microelectronics MTK-20131 ADSL chipsets
Delivers excellent total harmonic distortion (THD) performance

Applications

ADSL line filtering
Telecommunications signal processing
Common mode noise suppression in DSL interfaces

Procurement Notes

Verify the specific datasheet revision and mechanical drawings before integration. Confirm that the through-hole package dimensions align with the target PCB layout. Ensure the operating temperature range meets the environmental requirements of the final assembly. Cross-reference the impedance characteristics with the specific ADSL modem design specifications to guarantee signal integrity.

Selection Notes

Select this component when designing ADSL circuits requiring a common mode choke matched to the MTK-20131 chipset. Consider the 2000 Vrms isolation rating for safety compliance. Evaluate the 1.2 Ohm primary resistance against power loss constraints. Verify that the through-hole mounting style fits the manufacturing process. Check if the -40°C to 85°C range covers the intended operational environment.

Part Context

This part belongs to the audio and signal transformer category from Pulse Electronics. It serves as a critical passive component in digital subscriber line (DSL) infrastructure. The device addresses electromagnetic interference (EMI) concerns while maintaining signal fidelity for broadband data transmission over copper lines.