{"id":2499,"date":"2026-05-21T01:20:19","date_gmt":"2026-05-21T01:20:19","guid":{"rendered":"https:\/\/materialparts.com\/hfbr-1521z\/"},"modified":"2026-05-21T01:20:19","modified_gmt":"2026-05-21T01:20:19","slug":"hfbr-1521z","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/hfbr-1521z\/","title":{"rendered":"HFBR-1521Z"},"content":{"rendered":"

\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c<\/h2>\n

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.<\/p>\n

\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n
\u0627\u0644\u0634\u0631\u0643\u0629 \u0627\u0644\u0645\u0635\u0646\u0639\u0629<\/td>\n\u0628\u0631\u0648\u062f\u0643\u0648\u0645<\/td>\n<\/tr>\n
\u0627\u0644\u0646\u0648\u0639<\/td>\nFiber Optic Transmitter<\/td>\n<\/tr>\n
Wavelength<\/td>\n660nm (visible red)<\/td>\n<\/tr>\n
\u0645\u0639\u062f\u0644 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a<\/td>\nDC to 5MBaud<\/td>\n<\/tr>\n
Fiber Type<\/td>\n1mm plastic (POF) or 200um HCS<\/td>\n<\/tr>\n
Connector<\/td>\nVersaLink (compatible with HFBR-2521Z receiver)<\/td>\n<\/tr>\n
\u062c\u0647\u062f \u0627\u0644\u0625\u0645\u062f\u0627\u062f<\/td>\n5V (+-10%)<\/td>\n<\/tr>\n
LED Forward Current<\/td>\n60mA typical<\/td>\n<\/tr>\n
Output Power<\/td>\n-13dBm typical (into 1mm POF)<\/td>\n<\/tr>\n
\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n-40C to +85C<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • 660nm visible red LED for easy visual alignment<\/li>\n
  • DC to 5MBaud data rate<\/li>\n
  • Low-cost plastic optical fiber (POF) compatible<\/li>\n
  • VersaLink connector for easy installation<\/li>\n
  • Pairs with HFBR-2521Z receiver<\/li>\n
  • No EMI\/RFI emission<\/li>\n
  • Electrical isolation between transmitter and receiver<\/li>\n
  • Wide operating temperature: -40C to +85C<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • Industrial automation and control links<\/li>\n
    • Power electronics isolation<\/li>\n
    • Medical equipment data links<\/li>\n
    • Transportation systems<\/li>\n
    • High-voltage isolation communication<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      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) […]<\/p>\n","protected":false},"author":2,"featured_media":2782,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,20],"tags":[],"chip_brand":[136],"class_list":["post-2499","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-integrated-circuits-ics","category-interface-ics","chip_brand-vishay"],"acf":{"brief_explanation":"660nm fiber optic transmitter, 5MBaud, POF, VersaLink, 50m range","date_code":"","package_case":"VersaLink Connector Module","in_stock":3400,"datasheet":"https:\/\/www.broadcom.com\/products\/fiber-optics\/components\/transceivers\/hfbr-1521z","price":"$8.50 @ 1ku","product_introduction":"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.","working_principle":"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_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>Anode<\/td>Input<\/td>LED anode (connect to +5V through current-limiting resistor)<\/td><\/tr>
      2<\/td>Cathode<\/td>Input<\/td>LED cathode (connect to driver circuit)<\/td><\/tr><\/table>","application_scenarios":"
      • Isolated serial data link between high-voltage power electronics and control system<\/li>
      • Industrial PLC communication in EMI-heavy environments<\/li>
      • Medical equipment data transmission with patient isolation<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        Broadcom<\/td>HFBR-1521Z<\/td>VersaLink<\/td>Same part (current manufacturer)<\/td><\/tr>
        Broadcom<\/td>HFBR-1531Z<\/td>VersaLink<\/td>Higher power version<\/td><\/tr>
        Broadcom<\/td>HFBR-1522Z<\/td>VersaLink<\/td>Lower power, longer distance<\/td><\/tr>
        Industrial Fiber Products<\/td>IF-E93<\/td>SMA<\/td>660nm POF transmitter, SMA connector<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/2499","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/comments?post=2499"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/2499\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media\/2782"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=2499"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=2499"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=2499"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=2499"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}