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HFBR-1521Z

660nm fiber optic transmitter, 5MBaud, POF, VersaLink, 50m range

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Manufacturer Part：

HFBR-1521Z

Package：

VersaLink Connector Module

Brand：
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Description

Product Overview

The HFBR-1521Z from Broadcom (formerly Avago) is a 5MBaud fiber optic transmitter with 660nm visible red LED, VersaLink connector, and 50m maximum link distance. Designed for low-cost fiber optic data links operating from 0 to 5MBaud in industrial and telecom applications.

Key Specifications

Manufacturer Broadcom
Type Fiber Optic Transmitter
Wavelength 660nm (visible red)
Data Rate DC to 5MBaud
Fiber Type 1mm plastic (POF) or 200um HCS
Connector VersaLink (compatible with HFBR-2521Z receiver)
Supply Voltage 5V (+-10%)
LED Forward Current 60mA typical
Output Power -13dBm typical (into 1mm POF)
Operating Temperature -40C to +85C

Features

  • 660nm visible red LED for easy visual alignment
  • DC to 5MBaud data rate
  • Low-cost plastic optical fiber (POF) compatible
  • VersaLink connector for easy installation
  • Pairs with HFBR-2521Z receiver
  • No EMI/RFI emission
  • Electrical isolation between transmitter and receiver
  • Wide operating temperature: -40C to +85C

Applications

  • Industrial automation and control links
  • Power electronics isolation
  • Medical equipment data links
  • Transportation systems
  • High-voltage isolation communication

The Broadcom HFBR-1521Z is a fiber optic transmitter designed for low-cost, short-distance fiber optic data links using plastic optical fiber (POF) or hard clad silica (HCS) fiber. The 660nm visible red LED provides easy visual alignment during installation and troubleshooting. The VersaLink connector system ensures reliable, snap-in connection with the companion HFBR-2521Z receiver. Operating at data rates from DC to 5MBaud, the transmitter-receiver pair achieves link distances up to 50 meters with 1mm POF. The fiber optic link provides complete electrical isolation and immunity to EMI/RFI, making it ideal for noisy industrial environments where copper cables would be problematic.

The HFBR-1521Z operates as a fiber optic LED transmitter: 1) Electrical-to-Optical Conversion: The input digital signal drives the internal 660nm LED through a current-limiting circuit. When the input is high, the LED emits light at 660nm (visible red). When low, the LED is off. The 60mA typical forward current produces -13dBm optical output power into 1mm POF. 2) Optical Coupling: The LED output is mechanically coupled to the VersaLink connector, which aligns the fiber core precisely with the LED emission area. The 660nm wavelength matches the peak sensitivity of silicon photodetectors used in the companion receiver. 3) Fiber Transmission: The modulated light travels through the plastic optical fiber via total internal reflection. The 1mm core diameter of POF provides easy alignment and high coupling efficiency. At the receiver end (HFBR-2521Z), a photodiode converts the optical signal back to electrical form.

Pin Name Type Function
1 Anode Input LED anode (connect to +5V through current-limiting resistor)
2 Cathode Input LED cathode (connect to driver circuit)
  • Isolated serial data link between high-voltage power electronics and control system
  • Industrial PLC communication in EMI-heavy environments
  • Medical equipment data transmission with patient isolation
Manufacturer Part Number Package Notes
Broadcom HFBR-1521Z VersaLink Same part (current manufacturer)
Broadcom HFBR-1531Z VersaLink Higher power version
Broadcom HFBR-1522Z VersaLink Lower power, longer distance
Industrial Fiber Products IF-E93 SMA 660nm POF transmitter, SMA connector
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Quality Assurance

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Shipping & Payment

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Service & Packaging

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

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