{"id":6957,"date":"2026-06-22T03:16:53","date_gmt":"2026-06-22T03:16:53","guid":{"rendered":"https:\/\/materialparts.com\/ps2501al-1-f3-a\/"},"modified":"2026-06-22T03:16:53","modified_gmt":"2026-06-22T03:16:53","slug":"ps2501al-1-f3-a","status":"publish","type":"post","link":"https:\/\/materialparts.com\/es\/ps2501al-1-f3-a\/","title":{"rendered":"PS2501AL-1-F3-A"},"content":{"rendered":"

Productos<\/h2>\n

The PS2501AL-1-F3-A from Renesas Electronics (formerly NEC\/CEL) is a 5kVrms optocoupler with phototransistor output, 50-400% CTR, and surface-mount gull-wing 4-pin package.<\/p>\n

Especificaciones<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Tipo<\/td>\nPhototransistor Output Optocoupler<\/td>\n<\/tr>\n
CTR (Current Transfer Ratio)<\/td>\n50% to 400% @ IF=5mA, VCE=5V<\/td>\n<\/tr>\n
Tensi\u00f3n de aislamiento<\/td>\n5000 Vrms (1 minute)<\/td>\n<\/tr>\n
VCEO (Collector-Emitter)<\/td>\n80 V<\/td>\n<\/tr>\n
IC (Collector Current)<\/td>\n50 mA (max)<\/td>\n<\/tr>\n
IF (Forward Current)<\/td>\n30 mA (max continuous)<\/td>\n<\/tr>\n
VF (Forward Voltage)<\/td>\n1.17V (typical), 1.4V (max) @ IF=10mA<\/td>\n<\/tr>\n
VCE(sat)<\/td>\n0.3V (max) @ IF=10mA, IC=2mA<\/td>\n<\/tr>\n
Rise Time<\/td>\n3 us (typical)<\/td>\n<\/tr>\n
Fall Time<\/td>\n5 us (typical)<\/td>\n<\/tr>\n
Isolation Resistance<\/td>\n10^12 Ohm (min) @ VIO=1kVDC<\/td>\n<\/tr>\n
Isolation Capacitance<\/td>\n0.5 pF (typical)<\/td>\n<\/tr>\n
Paquete<\/td>\n4-SMD Gull Wing (surface mount)<\/td>\n<\/tr>\n
Temperatura de funcionamiento<\/td>\n-55C to +100C<\/td>\n<\/tr>\n
Safety Approval<\/td>\nUL Recognized (No. E72422)<\/td>\n<\/tr>\n<\/table>\n

Caracter\u00edsticas<\/h2>\n
    \n
  • 5000Vrms high isolation voltage<\/li>\n
  • 80V VCEO for higher voltage applications<\/li>\n
  • 50-400% CTR range<\/li>\n
  • High-speed switching: 3us rise, 5us fall<\/li>\n
  • Surface-mount gull-wing package<\/li>\n
  • UL recognized safety approval<\/li>\n<\/ul>\n

    Aplicaciones<\/h2>\n
      \n
    • Power supply feedback isolation<\/li>\n
    • Telephone\/FAX interfaces<\/li>\n
    • FA\/OA equipment signal isolation<\/li>\n
    • Programmable logic controller I\/O<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The PS2501AL-1-F3-A from Renesas Electronics (formerly NEC\/CEL) is a 5kVrms optocoupler with phototransistor output, 50-400% CTR, and surface-mount gull-wing 4-pin package. Key Specifications Type Phototransistor Output Optocoupler CTR (Current Transfer Ratio) 50% to 400% @ IF=5mA, VCE=5V Isolation Voltage 5000 Vrms (1 minute) VCEO (Collector-Emitter) 80 V IC (Collector Current) 50 mA (max) […]<\/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":[19,13],"tags":[],"chip_brand":[12],"class_list":["post-6957","post","type-post","status-publish","format-standard","hentry","category-analog-linear-ics","category-integrated-circuits-ics","chip_brand-renesas"],"acf":{"brief_explanation":"Optocoupler, 5kVrms, CTR 50-400%, 80V VCEO, SMD-4","date_code":"","package_case":"4-SMD Gull Wing (5.1 x 4.3 x 4.0 mm, 2.54mm pitch)","in_stock":7900,"datasheet":"https:\/\/media.digikey.com\/pdf\/Data%20Sheets\/NEC%20PDFs\/PS2501-1_-4_PS2501L-1_-4_Feb2010.pdf","price":"$0.24 @ 1ku","product_introduction":"The PS2501AL-1-F3-A from Renesas Electronics (originally NEC, later CEL) is a single-channel phototransistor optocoupler in a 4-pin surface-mount gull-wing package. The L suffix indicates the gull-wing (lead-bending) surface-mount variant of the PS2501A-1 through-hole DIP version. The F3-A suffix indicates tape and reel packaging. The device provides 5000Vrms isolation voltage between input and output, making it suitable for reinforced isolation in power supply feedback and industrial control applications. The 80V VCEO rating is higher than many competing optocouplers, allowing direct connection to 24V industrial logic. The CTR ranges from 50% to 400% at IF=5mA, covering a wide range of drive conditions. The 3us rise time and 5us fall time are suitable for moderate-speed digital signal isolation. The UL recognized safety approval (No. E72422) facilitates compliance with end-equipment safety standards.","working_principle":"The PS2501AL-1-F3-A consists of a gallium arsenide (GaAs) infrared LED optically coupled to an NPN silicon phototransistor in a single 4-pin package. When forward current flows through the LED (IF), it emits infrared photons at approximately 940nm. These photons pass through the transparent dielectric isolation layer and strike the base region of the phototransistor, generating electron-hole pairs through photoelectric absorption. The photogenerated carriers create a base current that is amplified by the phototransistor's current gain (hFE), producing a collector current IC = IF x CTR. The CTR of 50-400% means that for every 1mA of LED current, the phototransistor can sink 0.5 to 4mA of collector current. The wide CTR range reflects the natural variation in both LED coupling efficiency and phototransistor hFE across production lots. The 5000Vrms isolation is achieved through the physical separation between the LED and phototransistor chips and the dielectric properties of the transfer mold compound. The isolation resistance of 10^12 Ohm and capacitance of 0.5pF ensure minimal leakage and coupling between input and output circuits. The 80V VCEO is determined by the collector-base breakdown voltage of the phototransistor, allowing operation with higher supply voltages than typical 30V optocouplers.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>Anode<\/td>Input<\/td>LED anode<\/td><\/tr>
      2<\/td>Cathode<\/td>Input<\/td>LED cathode<\/td><\/tr>
      3<\/td>Emitter<\/td>Output<\/td>Phototransistor emitter<\/td><\/tr>
      4<\/td>Collector<\/td>Output<\/td>Phototransistor collector<\/td><\/tr><\/table>","application_scenarios":"
      • Switching power supply optocoupler feedback with 5kVrms reinforced isolation and 50-400% CTR for TL431 error amplifier interface<\/li>
      • Industrial PLC digital input isolation with 80V VCEO for 24V logic and UL recognized safety approval<\/li>
      • FA\/OA equipment signal isolation with 3us\/5us switching speed for 100kbps digital communication<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        Renesas<\/td>PS2501AL-1-F3<\/td>SMD-4<\/td>Same device, different tape suffix<\/td><\/tr>
        Renesas<\/td>PS2501-1<\/td>DIP-4<\/td>Through-hole version<\/td><\/tr>
        Sharp<\/td>PC357N2J000F<\/td>SOP-4<\/td>CTR 100-300%, similar function<\/td><\/tr>
        Vishay<\/td>SFH6156-3T<\/td>SOP-4<\/td>CTR 100-200%, compatible<\/td><\/tr>
        Everlight<\/td>EL817C<\/td>DIP-4<\/td>Popular equivalent, DIP package<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/6957","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/comments?post=6957"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/6957\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media?parent=6957"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/categories?post=6957"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/tags?post=6957"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/chip_brand?post=6957"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}