B4003

Description：CMC 2LN SMD
Series：-
Mfr：Pulse Electronics
Package：Tube

SKU:2f66b7582851 Category: Common Mode Chokes Brand: Pulse Electronics

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Product introduction

Product Detailed Parameters

Description：CMC 2LN SMD
Series：-
Mfr：Pulse Electronics
Package：Tube
Filter Type：Signal Line
Number of Lines：2
Current Rating (Max)：-
DC Resistance (DCR) (Max)：1Ohm
Voltage Rating - DC：-
Voltage Rating - AC：-
Operating Temperature：-40°C ~ 85°C
Ratings：-
Approval Agency：-
Features：-
Mounting Type：Surface Mount
Size / Dimension：0.355" L x 0.345" W (9.02mm x 8.76mm)
Height (Max)：0.300" (7.62mm)
Package / Case：Vertical, 8 Flat Lead
Inductance @ Frequency：-
Impedance @ Frequency：-
Qualification：-
Grade：-

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B4003

Overview

The B4003 is a surface-mount common mode choke designed for xDSL applications, specifically ADSL and VDSL. It features an inductance of 4700µH and a DC resistance of 1Ω. The component operates within a temperature range of -40°C to +85°C and complies with RoHS standards.

Feature Summary

Engineered for common mode noise suppression in xDSL lines
Surface mount construction for automated assembly

Applications

ADSL line protection
VDSL line filtering

Procurement Notes

Verify current manufacturing status as the part may be obsolete. Confirm availability of approved substitutes if production continuity is required. Ensure compatibility with existing PCB footprints and reflow soldering profiles during replacement evaluation.

Selection Notes

Select based on required inductance for DSL frequency bands and physical size constraints. Verify thermal performance limits for the specific enclosure environment. Check for compliance with regional environmental directives such as RoHS.

Part Context

This component belongs to Pulse Electronics' passive filter portfolio, targeting telecommunications infrastructure. It serves as a critical interface between DSL modems and telephone lines to maintain signal integrity.