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. 1N459/A Small Signal Diode 1N459/A Small Signal Diode DO-35 Color Band Denotes Cathode Absolute Maximum Ratings * T = 25C unless otherwise noted a Symbol Parameter Value Unit V Maximum Repetitive Reverse Voltage 200 V RRM I Average Rectified Forward Current 500 mA F(AV) I Non-repetitive Peak Forward Surge Current FSM Pulse Width = 1.0 second 1.0 A Pulse Width = 1.0 microsecond 4.0 A T Storage Temperature Range -65 to +200 C STG T Operating Junction Temperature 175 C J * These ratings are limiting values above which the serviceability of the diode may be impaired. NOTES: 1) These ratings are based on a maximum junction temperature of 200 degrees C. 2) These are steady limits. The factory should be consulted on applications involving pulsed or low duty cycle operations. Thermal Characteristics Symbol Parameter Value Unit P Power Dissipation 500 mW D R Thermal Resistance, Junction to Ambient 300 C/W JA Electrical Characteristics T = 25C unless otherwise noted C Symbol Parameter Conditions Min. Max Units V Breakdown Voltage I = 100 A 200 V R R V Forward Voltage I = 3mA 1.0 V F F 1N459A I = 100mA 1.0 V F I Reverse Leakage 1N459 V = 175V 25 nA R R 1N459A V = 175V, T = 150C 5 A R A C Total Capacitance 1N459A V = 0, f = 1.0MHz 6.0 pF T R Publication Order Number: 2004 Semiconductor Components Industries, LLC. 1N459/A /D October-2017,Rev.1