{"id":7404,"date":"2026-06-24T04:58:58","date_gmt":"2026-06-24T04:58:58","guid":{"rendered":"https:\/\/materialparts.com\/ps2805-1-f3-a\/"},"modified":"2026-06-24T04:58:58","modified_gmt":"2026-06-24T04:58:58","slug":"ps2805-1-f3-a","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/ps2805-1-f3-a\/","title":{"rendered":"PS2805-1-F3-A"},"content":{"rendered":"

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The PS2805-1-F3-A from CEL (California Eastern Labs \/ Renesas) is a 5kVrms photocoupler with a GaAlAs LED and phototransistor output, CTR 80-160% at IF=5mA, in a 4-pin SOP (SMD) package.<\/p>\n

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\u9694\u79bb\u7535\u538b<\/td>\n5000 Vrms<\/td>\n<\/tr>\n
CTR Grade<\/td>\n80-160% @ IF=5mA (rank A)<\/td>\n<\/tr>\n
Collector-Emitter Voltage<\/td>\n80 V<\/td>\n<\/tr>\n
Collector Current<\/td>\n50 mA<\/td>\n<\/tr>\n
LED Forward Voltage<\/td>\n1.2V typical @ IF=20mA<\/td>\n<\/tr>\n
\u4f20\u64ad\u5ef6\u8fdf<\/td>\n3 us typical<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-40\u00b0C to +100\u00b0C<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nSOP-4 (2.3×4.4mm)<\/td>\n<\/tr>\n<\/table>\n

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  • 5kVrms isolation photocoupler with CTR 80-160% in compact SOP-4<\/li>\n<\/ul>\n

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    • Industrial control signal isolation and power supply feedback<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The PS2805-1-F3-A from CEL (California Eastern Labs \/ Renesas) is a 5kVrms photocoupler with a GaAlAs LED and phototransistor output, CTR 80-160% at IF=5mA, in a 4-pin SOP (SMD) package. Key Specifications Isolation Voltage 5000 Vrms CTR Grade 80-160% @ IF=5mA (rank A) Collector-Emitter Voltage 80 V Collector Current 50 mA LED Forward […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,20],"tags":[],"chip_brand":[12],"class_list":["post-7404","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-interface-ics","chip_brand-renesas"],"acf":{"brief_explanation":"5kVrms photocoupler, CTR 80-160%, 80V, SOP-4 SMD","date_code":"","package_case":"SOP-4 \/ SSOP-4 (4.40 x 2.30 x 2.10 mm)","in_stock":11200,"datasheet":"https:\/\/www.cel.com\/wp-content\/uploads\/2023\/04\/PS2805-1.pdf","price":"$0.30 @ 1ku","product_introduction":"The PS2805-1-F3-A from CEL (California Eastern Labs) is a photocoupler consisting of a GaAlAs infrared LED optically coupled to a silicon phototransistor in a compact 4-pin SOP surface-mount package. The device provides 5000Vrms isolation voltage and a CTR (current transfer ratio) of 80-160% at IF=5mA for the A rank. The 80V collector-emitter voltage and 50mA collector current support general-purpose switching and signal isolation. The GaAlAs LED provides higher CTR and better linearity than GaAs LED alternatives. The SOP-4 package has a 2.3mm creepage distance, suitable for basic insulation requirements. The F3 suffix denotes the SOP-4 surface-mount package.","working_principle":"The PS2805-1-F3-A operates as a phototransistor photocoupler. (1) LED Input: Forward current through the GaAlAs LED generates infrared light at approximately 940nm. The GaAlAs LED provides higher radiant efficiency than traditional GaAs LEDs, resulting in higher CTR. (2) Optical Coupling: The infrared light crosses the isolation barrier and illuminates the base region of the phototransistor. (3) Phototransistor Output: The photogenerated base current drives the phototransistor. The collector current IC = CTR x IF. For the A rank (80-160%), at IF=5mA, IC ranges from 4mA to 8mA. (4) Isolation: The transparent dielectric between LED and phototransistor provides 5kVrms galvanic isolation, meeting safety requirements for industrial and ITE equipment.","pin_description":"
      Pin<\/th>Name<\/th>Function<\/th><\/tr>
      1<\/td>Anode<\/td>LED anode<\/td><\/tr>
      2<\/td>Cathode<\/td>LED cathode<\/td><\/tr>
      3<\/td>Emitter<\/td>Phototransistor emitter<\/td><\/tr>
      4<\/td>Collector<\/td>Phototransistor collector<\/td><\/tr><\/table>","application_scenarios":"
      • Industrial control signal isolation and SMPS feedback at 5kVrms<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        Vishay<\/td>SFH6319T-3<\/td>DIP-6<\/td>Similar CTR, DIP package<\/td><\/tr>
        onsemi<\/td>FOD817C<\/td>DIP-4<\/td>5000Vrms, CTR 200-400%<\/td><\/tr>
        Toshiba<\/td>TLP184(GB<\/td>SSOP-4<\/td>Pin-compatible, similar<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/7404","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=7404"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/7404\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=7404"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=7404"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=7404"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=7404"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}