{"id":6297,"date":"2026-06-12T11:19:15","date_gmt":"2026-06-12T11:19:15","guid":{"rendered":"https:\/\/materialparts.com\/il300-e\/"},"modified":"2026-06-12T11:19:15","modified_gmt":"2026-06-12T11:19:15","slug":"il300-e","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/il300-e\/","title":{"rendered":"IL300-E"},"content":{"rendered":"

\u4ea7\u54c1\u6982\u89c8<\/h2>\n

The IL300-E from Vishay is a linear optocoupler providing high-stability analog signal isolation with 5300V RMS galvanic isolation. Featuring a tightly matched feedback photodiode and output photodiode, it achieves \u00b10.01% linearity and \u00b10.005%\/\u00b0C CTR temperature stability in a DIP-8 package.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n
CTR (Current Transfer Ratio)<\/td>\n0.56 – 1.5<\/td>\n<\/tr>\n
\u9694\u79bb\u7535\u538b<\/td>\n5300V RMS<\/td>\n<\/tr>\n
Bandwidth<\/td>\n>200kHz<\/td>\n<\/tr>\n
Linearity<\/td>\n\u00b10.01% (typical)<\/td>\n<\/tr>\n
CTR Temperature Coefficient<\/td>\n\u00b10.005%\/\u00b0C<\/td>\n<\/tr>\n
LED Forward Current<\/td>\n10 – 50mA<\/td>\n<\/tr>\n
Detector Supply<\/td>\n\u00b115V<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-55\u00b0C to +100\u00b0C<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nDIP-8-300 (wide spacing, E suffix)<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • 5300V RMS galvanic isolation for safety-critical applications<\/li>\n
  • \u00b10.01% linearity for precision analog signal transmission<\/li>\n
  • Matched feedback photodiode compensates LED aging and temperature drift<\/li>\n
  • >200kHz bandwidth for wideband analog signals<\/li>\n
  • \u00b10.005%\/\u00b0C CTR stability over temperature<\/li>\n
  • Wide 300mil DIP-8 package for 8mm creepage\/clearance<\/td>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Medical equipment isolation amplifiers<\/li>\n
    • Industrial process control 4-20mA loops<\/li>\n
    • Power supply feedback isolation<\/li>\n
    • Isolated data acquisition systems<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The IL300-E from Vishay is a linear optocoupler providing high-stability analog signal isolation with 5300V RMS galvanic isolation. Featuring a tightly matched feedback photodiode and output photodiode, it achieves \u00b10.01% linearity and \u00b10.005%\/\u00b0C CTR temperature stability in a DIP-8 package. Key Specifications CTR (Current Transfer Ratio) 0.56 – 1.5 Isolation Voltage 5300V RMS […]<\/p>\n","protected":false},"author":2,"featured_media":6366,"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-6297","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-integrated-circuits-ics","category-interface-ics","chip_brand-vishay"],"acf":{"brief_explanation":"Linear optocoupler, 5300V RMS isolation, \u00b10.01% linearity, >200kHz, DIP-8 wide spacing","date_code":"","package_case":"DIP-8-300 (wide spacing, 9.7 x 6.6mm)","in_stock":4663,"datasheet":"https:\/\/www.vishay.com\/docs\/83621\/il300.pdf","price":"$4.50 @1ku","product_introduction":"The IL300-E from Vishay is a high-precision linear optocoupler designed for analog signal isolation in medical, industrial, and power supply applications. Unlike digital optocouplers, the IL300-E uses a matched pair of photodiodes: one provides feedback to stabilize the LED drive (compensating for aging and temperature drift), while the second delivers the isolated output signal. This architecture achieves \u00b10.01% linearity and \u00b10.005%\/\u00b0C CTR stability with 5300V RMS isolation, making it the gold standard for precision isolation amplifiers.","working_principle":"The IL300-E contains an infrared LED optically coupled to two matched PIN photodiodes. The input-side photodiode (D1) monitors the LED output and provides feedback to a servo amplifier that drives the LED current, maintaining constant optical flux regardless of LED aging or temperature changes. The output-side photodiode (D2) receives the same optical flux (proportional to LED current) and generates a photocurrent that is an accurate, linear replica of the input signal. The close matching between D1 and D2 ensures that the output current precisely tracks the input, achieving \u00b10.01% linearity. The 5300V RMS isolation is provided by the optically transparent insulator between LED and photodiodes.","pin_description":"
      Pin<\/th>Name<\/th>Description<\/th><\/tr>
      1<\/td>Anode<\/td>LED anode (input side)<\/td><\/tr>
      2<\/td>Cathode<\/td>LED cathode (input side)<\/td><\/tr>
      3<\/td>D1 Anode<\/td>Feedback photodiode anode<\/td><\/tr>
      4<\/td>D1 Cathode<\/td>Feedback photodiode cathode<\/td><\/tr>
      5<\/td>D2 Cathode<\/td>Output photodiode cathode<\/td><\/tr>
      6<\/td>D2 Anode<\/td>Output photodiode anode<\/td><\/tr>
      7<\/td>NC<\/td>No connect<\/td><\/tr>
      8<\/td>NC<\/td>No connect<\/td><\/tr><\/table>","application_scenarios":"
      • Medical ECG\/EEG isolation amplifier front-ends<\/li>
      • Industrial 4-20mA process control loop isolation<\/li>
      • Switching power supply feedback loop isolation<\/li>
      • Isolated precision data acquisition and measurement<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Linearity<\/th>Isolation<\/th>Bandwidth<\/th><\/tr>
        IL300<\/td>Vishay<\/td>\u00b10.01%<\/td>5300V RMS<\/td>>200kHz<\/td><\/tr>
        HCNR200<\/td>Broadcom<\/td>\u00b10.01%<\/td>5000V RMS<\/td>>1MHz<\/td><\/tr>
        ACPL-C87B<\/td>Broadcom<\/td>\u00b10.2%<\/td>5000V RMS<\/td>200kHz<\/td><\/tr>
        LOC110<\/td>IXYS<\/td>\u00b10.01%<\/td>3750V RMS<\/td>>200kHz<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/6297","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/comments?post=6297"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/6297\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media\/6366"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=6297"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=6297"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=6297"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=6297"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}