Avago Broadcom HFBR‑1521Z-5Mbd Versatile Link Plastic Fiber Optic Transmitter (660 nm)

  • RoHS-compliant
  • Low cost fiber optic components
  • Enhanced digital links: dc-5 MBd
  • Extended distance links up to 120 m at 40 kBd
  • Low current link: 6 mA peak supply current
  • Horizontal and vertical mounting
  • Interlocking feature
  • High noise immunity
  • Easy connectoring: simplex, duplex, and latching connectors
  • Flame retardant
  • Transmitters incorporate a 660 nm red LED for easy visibility
  • Compatible with standard TTL circuitry
  • 3D model available on request

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Main Features

Broadcom Avago HFBR‑1521Z – 5 Mbd Versatile Link Fiber Optic Transmitter (660 nm)


📌 Description

The HFBR‑1521Z is a high-performance plastic optical fiber (POF) transmitter in Broadcom’s renowned Versatile Link series. Featuring a bright 660 nm red LED, this transmitter delivers noiseless digital links up to 5 Mbd and distances up to 30 m. Packaged in a compact horizontal design, it’s perfect for high-volume, low-cost production, ideal for auto-insertion and wave-solder assembly lines


✨ Features

  • 5 Mbaud data rate, TTL-compatible

  • 660 nm LED emitter with visible light for easy verification

  • Transmission up to 30 m at 25 °C (up to 20 m at 70 °C)

  • Low operating current (~80 mA) and forward voltage of ~1.67 V

  • Horizontal package with flame-retardant VALOX housing (UL94 V‑0)

  • High EMI/RFI immunity, ideal for industrial settings

  • Designed for automated assembly, supports auto-insertion and wave soldering

  • RoHS-compliant and eliminating hazardous substances


🔧 Technical Specifications

Parameter Specification
Wavelength 660 nm (red LED)
Max Data Rate 5 Mbd
Guaranteed Data Rate DC – 5 Mbd
Link Distance Up to 30 m at 25 °C; ~20 m at 70 °C
Forward Current (IF) 80 mA
Forward Voltage (VF) ~1.67 V
Reverse Voltage (VR) Up to 5 V
Rise Time (tr) ~80 ns
Fall Time (tf) ~40 ns
Operating Temperature –40 °C to +85 °C
Package Material Flame-retardant VALOX, UL94 V‑0
Interface Compatibility TTL; Versatile Link POF connector
RoHS Compliant Yes

🏭 Typical Applications

  • Voltage isolation in control and inverter circuits

  • EMI/RFI-resistant data links in industrial environments

  • 🛠 Motor-controller signaling and factory automation

  • 🏷 Secure data transmission for regulated systems (FCC, VDE, CSA)

  • 📡 Local area network segments

  • 🎛 Industrial/machinery signaling and control

  • 🚗 Automotive communication and infotainment networks

  • 🎧 Audio/video systems requiring noise immunity

About Us – Bones Electronics

At Bones Electronics, we specialize in cutting-edge fiber optic solutions—including Versatile Link components like HFBR‑1521Z, 2521Z, POF cables, connectors, and active optical systems. Serving industries from automation and industrial control to automotive, AV, and medical, we combine technical excellence with global service to power your innovation.


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