ON Semiconductor Is Now To learn more about onsemi, please visit our website at www.onsemi.com onsemi andand other names, marks, and brands are registered and/or common law trademarks of Semiconductor Components Industries, LLC dba onsemi or its affiliates and/or subsidiaries in the United States and/or other countries. onsemi owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of onsemi product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent-Marking.pdf. onsemi reserves the right to make changes at any time to any products or information herein, without notice. The information herein is provided as-is and onsemi makes no warranty, representation or guarantee regarding the accuracy of the information, product features, availability, functionality, or suitability of its products for any particular purpose, nor does onsemi assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. Buyer is responsible for its products and applications using onsemi products, including compliance with all laws, regulations and safety requirements or standards, regardless of any support or applications information provided by onsemi. Typical parameters which may be provided in onsemi data sheets and/ or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including Typicals must be validated for each customer application by customers technical experts. onsemi does not convey any license under any of its intellectual property rights nor the rights of others. onsemi products are not designed, intended, or authorized for use as a critical component in life support systems or any FDA Class 3 medical devices or medical devices with a same or similar classification in a foreign jurisdiction or any devices intended for implantation in the human body. Should Buyer purchase or use onsemi products for any such unintended or unauthorized application, Buyer shall indemnify and holdo nsemi and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that onsemi was negligent regarding the design or manufacture of the part. onsemi is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. Other names and brands may be claimed as the property of others. FOD819 Series FOD819 4-Pin DIP High Speed Phototransistor Optocouplers Description www.onsemi.com The FOD819 consists of a gallium arsenide (GaAs) infra red emitting diode, driving a high speed photo detector with integrated basetoemitter resistor, R , in a 4pin dualinline package. It is BE designed to be an improved replacement to the popular FOD817 Series when higher speed performance is required in isolated data signal transmission. Features High Speed Performance ~ 30 kHz DIP 4 PINS Current Transfer Ratio: 100% to 600% Minimum BV of 80 V Guaranteed CEO Safety and Regulatory Approvals: MARKING DIAGRAM UL1577, 5,000 VAC for 1 Minute RMS DIN EN/IEC6074755, 850 V Peak Working Insulation Voltage Typical Applications Digital Logic Inputs Microprocessor Inputs ON Power Supply Monitor Twisted Pair Line Receiver Telephone Line Receiver 1. ON = Company Logo 2. 819 = Device Number 3. V = DIN EN/IEC6074755 Option 4 X = OneDigit Year Code 5. ZZ = Digit Work Week 6. Y = Assembly Package Code PIN CONNECTIONS ORDERING INFORMATION See detailed ordering and shipping information on page 7 of this data sheet. Semiconductor Components Industries, LLC, 2017 1 Publication Order Number: July, 2018 Rev. 2 FOD819/D