Thông số kỹ thuật
HFBR-1521Z is a Broadcom (Avago) Versatile Link industrial plastic fiber optic transmitter from HFBR-0500Z series, matched with HFBR-2521Z receiver to form complete galvanically isolated digital fiber link, designed for noise-free short-distance signal transmission in high EMI industrial power, motion control and factory automation equipment.
👉 It’s not high-speed single-mode fiber transmitter for long-distance telecom transmission.
👉 It’s a cost-effective horizontal-mount POF fiber transmitting module with visible 660nm red LED, ideal for eliminating ground loop interference and high-voltage isolation in inverters, servo drives and PLC control systems.
Key Features of HFBR-1521Z Fiber Optic Transmitter
Power electronics and automation engineers select HFBR-1521Z for convenient installation, stable optical performance and low system integration cost:
- Supports DC to 5 MBd digital signal transmission, matched with HFBR-2521Z receiver for full duplex fiber communication link
- Built-in 660nm visible red LED emitter, convenient for on-site optical alignment and equipment debugging
- Compatible with 1mm core plastic optical fiber (POF) and 200μm HCS hard-clad silica fiber, stable transmission distance up to 30 meters at room temperature
- Standard TTL logic compatible input interface, can be directly driven by FPGA, MCU and PLC IO ports without extra level conversion circuit
- Typical electrical parameters: 5V single supply voltage, peak operating current only 6mA, typical LED forward voltage 1.67V
- Fast optical switching speed: 80ns rise time, 40ns fall time, low pulse distortion to guarantee accurate digital signal transmission
- Horizontal through-hole 6-pin DIP flame-retardant plastic housing, standard Versatile Link push-in fiber connector with interlock anti-loosening structure
- Optimized mechanical structure supports auto insertion and wave soldering mass production processes
- Complete optical isolation between control logic side and high-voltage power circuit, thoroughly suppress EMI/RFI switching noise and ground loop interference
- Standard commercial temperature range: 0°C ~ +70°C with full electrical and optical performance guarantee
- UL certified, fully RoHS6 lead-free compliant, no restricted hazardous substances
- Pin-to-pin compatible with Versatile Link series transmitter standards, convenient for equipment replacement and project iteration
- Mature mass-production component with stable long-lifecycle supply for industrial equipment batch manufacturing and legacy maintenance projects
Các ứng dụng điển hình
Industrial frequency converters, servo motor drives and three-phase inverter isolated trigger signal transmission
Factory automation PLC, distributed DCS fieldbus noise-free digital communication
High-power UPS, switching power supply and high-voltage power cabinet signal isolation transmission
New energy photovoltaic inverters and energy storage converter internal control fiber links
Welding equipment, elevator control cabinet anti-interference signal transmission
Rail transit auxiliary control system isolated data communication
High-precision test & measurement instruments and high-voltage laboratory isolated signal links
Medical high-power diagnostic equipment leakage-proof isolated signal transmission
Industrial robot multi-axis motion control noise-free command transmission
LXB Semicon supplies original Broadcom HFBR-1521Z plastic fiber optic transmitter module







