{"id":3822,"date":"2026-06-08T04:16:45","date_gmt":"2026-06-08T04:16:45","guid":{"rendered":"https:\/\/materialparts.com\/tlp293gr-tple\/"},"modified":"2026-06-08T04:16:45","modified_gmt":"2026-06-08T04:16:45","slug":"tlp293gr-tple","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/tlp293gr-tple\/","title":{"rendered":"TLP293(GR-TPL,E"},"content":{"rendered":"

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

The TLP293(GR-TPL,E from Toshiba is a photocoupler with a gallium arsenide infrared LED optically coupled to a photo-transistor detector, providing 3750Vrms isolation in a SO4-4 (SOP-4) package with CTR rank G (100%-300%).<\/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\n\n
\u0627\u0644\u0646\u0648\u0639<\/td>\nPhototransistor Output Photocoupler<\/td>\n<\/tr>\n
\u062c\u0647\u062f \u0627\u0644\u0639\u0632\u0644<\/td>\n3750 Vrms (min)<\/td>\n<\/tr>\n
CTR (Current Transfer Ratio)<\/td>\n100% ~ 300% (G rank @ IF=5mA)<\/td>\n<\/tr>\n
Collector-Emitter Voltage<\/td>\n80V<\/td>\n<\/tr>\n
Collector Current<\/td>\n50 mA<\/td>\n<\/tr>\n
Forward Current<\/td>\n50 mA<\/td>\n<\/tr>\n
Forward Voltage<\/td>\n1.25V typical \/ 1.4V max<\/td>\n<\/tr>\n
Rise Time<\/td>\n4 us typical<\/td>\n<\/tr>\n
Fall Time<\/td>\n7 us typical<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\nSO4 (SOP-4, 2.6 x 7.0 x 2.1 mm)<\/td>\n<\/tr>\n
\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n-55 to +110 C<\/td>\n<\/tr>\n
\u0645\u0648\u0627\u0641\u0642\u0627\u062a \u0627\u0644\u0633\u0644\u0627\u0645\u0629<\/td>\nUL1577, cUL, EN 60747-5-5 (VDE)<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • G-rank CTR (100%-300%) for reliable low-current drive<\/li>\n
  • 3750Vrms isolation voltage<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • Signal isolation in industrial control<\/li>\n
    • Power supply feedback loops<\/li>\n
    • Isolated communication interfaces<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The TLP293(GR-TPL,E from Toshiba is a photocoupler with a gallium arsenide infrared LED optically coupled to a photo-transistor detector, providing 3750Vrms isolation in a SO4-4 (SOP-4) package with CTR rank G (100%-300%). Key Specifications Type Phototransistor Output Photocoupler Isolation Voltage 3750 Vrms (min) CTR (Current Transfer Ratio) 100% ~ 300% (G rank @ […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[19,13],"tags":[],"chip_brand":[169],"class_list":["post-3822","post","type-post","status-publish","format-standard","hentry","category-analog-linear-ics","category-integrated-circuits-ics","chip_brand-toshiba"],"acf":{"brief_explanation":"Phototransistor photocoupler, CTR G-rank 100-300%, 3750Vrms, SOP-4","date_code":"","package_case":"SO4 (SOP-4, 2.6 x 7.0 x 2.1 mm, 2.54mm pitch, MSL 3)","in_stock":12292,"datasheet":"https:\/\/toshiba.semicon-storage.com\/info\/docget.jsp?did=15589","price":"$0.25 @ 1ku","product_introduction":"The TLP293(GR-TPL,E from Toshiba is a G-rank CTR variant of the TLP293 photocoupler family. The (GR-TPL,E suffix specifically designates the G CTR rank (100%-300% at IF=5mA, VCE=5V), the TPL package style (SOP-4 with tape and reel), and the E tape specification. The high CTR of the G rank makes this device particularly suitable for low-current drive applications where the LED forward current is limited (e.g., 1-5mA), such as interfaces driven directly from 3.3V MCUs with current-limiting resistors. At IF=5mA, the G-rank device provides 5-15mA of collector current, sufficient to drive most logic inputs and small relays without additional amplification. The TLP293 series is the industry-standard SOP-4 photocoupler, widely used as a drop-in replacement for the discontinued PC817 series in new designs. The 3750Vrms isolation voltage provides reinforced insulation for mains-connected applications up to 300Vrms working voltage. The SO4 (SOP-4) package is the smallest standard photocoupler package with 2.54mm lead pitch, compatible with both through-hole and SMT assembly processes.","working_principle":"The TLP293(GR-TPL,E operates as an optically coupled isolator. Key subsystems include: (1) LED Input - a gallium arsenide (GaAs) infrared LED emits photons when forward current (IF) flows; the forward voltage is 1.25V typical at IF=20mA; the LED must be driven with a current-limiting resistor calculated as R = (VDD - VF) \/ IF; the LED has a typical capacitance of 25pF which limits the maximum switching speed; (2) Phototransistor Output - an NPN phototransistor whose base region is exposed to the LED's infrared emission; photons absorbed in the base generate electron-hole pairs that provide base current, turning the transistor on; the CTR (Current Transfer Ratio) = IC\/IF x 100% defines the current gain; the G-rank CTR of 100-300% means the output can sink 1-3x the LED input current; (3) Isolation Barrier - a transparent silicone dielectric between the LED and phototransistor provides galvanic isolation of 3750Vrms minimum; the silicone has a high dielectric strength and optical transparency; the internal shield between input and output reduces capacitive coupling to less than 0.8pF, limiting common-mode transient immunity degradation; (4) Switching - the phototransistor rise\/fall times (4us\/7us typical) are dominated by the base charge storage; for faster switching, a base-emitter resistor can be added to speed up turn-off, but this reduces CTR significantly.","pin_description":"
      Pin<\/th>Name<\/th>Function<\/th><\/tr>
      1<\/td>Anode<\/td>LED anode (positive)<\/td><\/tr>
      2<\/td>Cathode<\/td>LED cathode (negative)<\/td><\/tr>
      3<\/td>Emitter<\/td>Phototransistor emitter<\/td><\/tr>
      4<\/td>Collector<\/td>Phototransistor collector<\/td><\/tr><\/table>","application_scenarios":"
      • 3.3V MCU isolation: G-rank CTR (100-300%) allows MCU GPIO (3.3V, 2-5mA) to drive LED directly, providing sufficient IC (5-15mA) to switch logic on secondary side without amplifier<\/li>
      • SMPS feedback: LED driven by error amplifier output on secondary side, collector feeds PWM controller on primary side, 3750Vrms isolation meets IEC 60950 safety requirements<\/li>
      • Industrial I\/O: isolates 24V PLC input from 3.3V MCU, G-rank CTR ensures reliable switching at low IF<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        Toshiba<\/td>TLP291(GB<\/td>SOP-4<\/td>GB rank CTR (100-400%), wider range<\/td><\/tr>
        Toshiba<\/td>TLP293(V<\/td>SOP-4<\/td>V rank CTR (50-150%), lower gain<\/td><\/tr>
        Sharp<\/td>PC817C<\/td>DIP-4<\/td>Industry standard, C-rank CTR, through-hole<\/td><\/tr>
        Vishay<\/td>SFH619A-3X<\/td>DIP-4<\/td>CTR 100-200%, through-hole alternative<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/3822","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=3822"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/3822\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=3822"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=3822"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=3822"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=3822"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}