B4021

Description：XFRMR FOR BROADCOM/TI CHIPST SMD
Series：-
Mfr：Pulse Electronics
Package：Tube

SKU:8ac9e46883cc Category: Pulse Transformers Brand: Pulse Electronics

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Product introduction

Product Detailed Parameters

Description：XFRMR FOR BROADCOM/TI CHIPST SMD
Series：-
Mfr：Pulse Electronics
Package：Tube
Transformer Type：VDSL
Inductance：190µH
ET (Volt-Time)：-
Turns Ratio - Primary:Secondary：1CT:1CT
Mounting Type：Through Hole
Size / Dimension：0.500" L x 0.350" W (12.70mm x 8.89mm)
Height - Seated (Max)：0.250" (6.35mm)
Operating Temperature：-
Grade：-
Qualification：-

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B4021

Overview

The B4021 is a Pulse Electronics audio transformer designed for VDSL applications. It features an inductance of 190µH and a resistance of 100 Ohms. The component utilizes a 1CT:1CT turns ratio configuration. It is available in Surface Mount Device (SMD) packaging, facilitating automated assembly processes for high-volume electronic manufacturing.

Feature Summary

Optimized for Very-high-speed Digital Subscriber Line (VDSL) signal transmission
Surface mount construction for compact circuit board integration
Balanced 1:1 center-tapped winding architecture

Applications

VDSL modem transceivers
Digital subscriber line access multiplexers (DSLAMs)
Network interface cards requiring balanced audio isolation

Procurement Notes

Verify the specific manufacturer part number against official Pulse Electronics documentation to confirm current production status. Cross-reference datasheet revisions to ensure compatibility with existing design specifications. Confirm that the component meets all required environmental and safety standards for the intended deployment environment before finalizing procurement decisions.

Selection Notes

Select this component when designing circuits requiring precise impedance matching for VDSL signaling. Ensure the printed circuit board layout accommodates the specified surface mount footprint dimensions. Validate thermal performance characteristics against the operational temperature range defined in the official technical data sheet to guarantee reliable long-term operation.

Part Context

This component belongs to the category of signal transformers manufactured by Pulse Electronics. It serves as a critical passive element in telecommunications hardware, providing necessary galvanic isolation and signal balancing for digital subscriber line interfaces within modern networking equipment architectures.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.