HFBR-1521 Fiber Optic Transmitter Equivalent & Substitute Parts

Part Overview

The HFBR-1521 is a fiber optic transmitter operating at 600nm wavelength, designed for Versatile Link connector applications. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing system support and new design implementations. The HFBR-1521Z serves as the manufacturer-recommended substitute, offering improved performance characteristics while maintaining core compatibility parameters.

Substiute Parts

HFBR-1521

Broadcom LimitedIn Stock: 2040HFBR-1521 Datasheet

Current PartRFQ

HFBR-1521Z

Broadcom LimitedIn Stock: 18226HFBR-1521Z Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the HFBR-1521 is determined by the following critical parameters:

• Connector Type: Both main and substitute parts utilize Versatile Link connectors, ensuring mechanical and optical interface compatibility.
• Base Product Number: Both parts share the HFBR-1521 base designation, indicating they belong to the same product family.
• Reverse Voltage Rating: Both parts maintain identical maximum reverse voltage specifications (5V), ensuring circuit protection compatibility.
• Capacitance: Both parts specify 86 pF capacitance, maintaining signal integrity characteristics.
• Manufacturer: Both parts are manufactured by Broadcom Limited, ensuring consistent quality and design standards.

The HFBR-1521Z differs in wavelength (660nm vs 600nm), forward voltage (2.02V vs 1.67V), forward current (80 mA vs 60 mA), and product status (Active vs Obsolete). These differences reflect performance enhancements in the substitute part while maintaining core electrical and mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

The HFBR-1521Z is the manufacturer-recommended substitute for the obsolete HFBR-1521. Selection of the HFBR-1521Z is supported by:

• Active Product Status: The HFBR-1521Z maintains active production status, ensuring long-term availability and supply chain continuity.
• Regulatory Compliance: Both parts maintain REACH Unaffected status, confirming compliance with applicable environmental regulations.
• Connector Compatibility: Identical Versatile Link connector specifications ensure direct mechanical and optical interface compatibility.
• Electrical Parameter Alignment: Matching reverse voltage and capacitance specifications maintain circuit-level compatibility with existing designs.

Frequently Asked Questions (FAQ)

Q: Can the HFBR-1521Z directly replace the HFBR-1521 in existing designs?

A: The HFBR-1521Z shares the same Versatile Link connector type, reverse voltage rating (5V), and capacitance (86 pF) as the HFBR-1521. These parameters determine mechanical and electrical interface compatibility. Differences in wavelength, forward voltage, and forward current must be evaluated against specific system requirements.

Q: What are the key differences between HFBR-1521 and HFBR-1521Z?

A: The primary differences are wavelength (600nm vs 660nm), forward voltage (1.67V vs 2.02V), and forward current rating (60 mA vs 80 mA). Both parts maintain identical reverse voltage (5V) and capacitance (86 pF) specifications.

Q: Why is the HFBR-1521 classified as obsolete?

A: The HFBR-1521 is listed as obsolete by the manufacturer. The HFBR-1521Z is the active substitute offering improved performance characteristics.

Q: Are there packaging differences between these parts?

A: The HFBR-1521 packaging is unspecified in the provided data. The HFBR-1521Z is supplied in Tube packaging.

Q: Do both parts meet the same regulatory requirements?

A: Both the HFBR-1521 and HFBR-1521Z maintain REACH Unaffected status, confirming compliance with applicable environmental regulations.