BCM5221KPB Equivalent & Substitute Parts

Part Overview

The BCM5221KPB is a 1/1 Ethernet transceiver manufactured by Broadcom Limited, designed for interface applications requiring single driver/receiver channel operation. This component operates within the 2.5V to 3.3V supply voltage range and supports industrial temperature environments from -40°C to 85°C. The BCM5221KPB is classified as obsolete, making identification of active equivalent parts essential for ongoing system support and new design implementations.

Key Parameters

Parameter	Value
Manufacturer	Broadcom Limited
Category	Interface
Type	Transceiver
Protocol	Ethernet
Number of Drivers/Receivers	1/1
Voltage - Supply	2.5V ~ 3.3V
Operating Temperature	-40°C ~ 85°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)
REACH Status	REACH Unaffected
ECCN	5A991B1
HTSUS	8542.39.0001

Substitute Part Grouping Explanation

Substitution of the BCM5221KPB is determined by strict equivalence across the following critical parameters:

Protocol specification: Ethernet
Channel configuration: 1/1 (single driver/receiver pair)
Supply voltage range: 2.5V ~ 3.3V
Operating temperature range: -40°C ~ 85°C
Regulatory compliance: ROHS3 Compliant, REACH Unaffected
Export classification: ECCN 5A991B1, HTSUS 8542.39.0001

The BCM5221A4KPTG meets all substitution criteria as an active product variant within the BCM5221 base product family, maintaining identical electrical specifications and regulatory certifications.

Parameter Comparison

Parameter	BCM5221KPB	BCM5221A4KPTG
Manufacturer	Broadcom Limited	Broadcom Limited
Category	Interface	Interface
Type	Transceiver	Transceiver
Protocol	Ethernet	Ethernet
Number of Drivers/Receivers	1/1	1/1
Voltage - Supply	2.5V ~ 3.3V	2.5V ~ 3.3V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C
Product Status	Obsolete	Active
Packaging	Not specified	Tray
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)
REACH Status	REACH Unaffected	REACH Unaffected
ECCN	5A991B1	5A991B1
HTSUS	8542.39.0001	8542.39.0001

Engineering Selection Recommendations

The BCM5221A4KPTG is the direct substitute for the obsolete BCM5221KPB. Both components maintain identical electrical specifications, regulatory compliance status, and export classifications. The BCM5221A4KPTG carries active product status with manufacturer support and documented availability. Selection of the BCM5221A4KPTG ensures continuity of supply, compliance with current regulatory requirements (ROHS3, REACH), and compatibility with existing system designs specified for the BCM5221KPB.

Frequently Asked Questions (FAQ)

Q: Can the BCM5221A4KPTG directly replace the BCM5221KPB in existing designs?

A: Yes. Both components share identical electrical specifications including supply voltage (2.5V ~ 3.3V), operating temperature range (-40°C ~ 85°C), channel configuration (1/1), and protocol support (Ethernet). Regulatory certifications and export classifications are equivalent.

Q: What is the primary difference between these two part numbers?

A: The BCM5221KPB is classified as obsolete, while the BCM5221A4KPTG is an active product. The BCM5221A4KPTG is supplied in Tray packaging. Both are variants of the BCM5221 base product family.

Q: Are there any compliance or certification differences?

A: No. Both components are ROHS3 Compliant, REACH Unaffected, and share identical ECCN and HTSUS classifications.

Q: What packaging options are available for the substitute part?

A: The BCM5221A4KPTG is supplied in Tray packaging format.

Q: Is the BCM5221A4KPTG recommended by the manufacturer as a substitute?

A: Yes. The BCM5221A4KPTG is designated as the MFR Recommended Manufacturer Part Number for BCM5221KPB applications.

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