MR850, MR851, MR852, MR854, MR856 Axial Lead Fast Recovery Rectifiers Axial lead mounted fast recovery power rectifiers are designed for special applications such as dc power supplies, inverters, converters, http://onsemi.com ultrasonic systems, choppers, low RF interference and free wheeling diodes. A complete line of fast recovery rectifiers having typical FAST RECOVERY recovery time of 100 nanoseconds providing high efficiency at frequencies to 250 kHz. POWER RECTIFIERS 3.0 AMPERES, 50−600 VOLTS Features • These are Pb−Free Devices* Mechanical Characteristics: • Case: Epoxy, Molded • Weight: 1.1 Gram (Approximately) • Finish: All External Surfaces Corrosion Resistant and Terminal Leads are Readily Solderable • Lead Temperature for Soldering Purposes: AXIAL LEAD 260°C Max. for 10 Seconds CASE 267 • Available Tape and Reel, 1200 per Reel, by adding a “RL” Suffix STYLE 1 to the Part Number • Polarity: Cathode Indicated by Polarity Band MARKING DIAGRAM A MR85x YYWW(cid:2) (cid:2) A =Assembly Location MR85x =Device Number x = 0, 1, 2, 4 or 6 YY =Year WW =Work Week (cid:2) =Pb−Free Package (Note: Microdot may be in either location) ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 3 of this data sheet. *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. © Semiconductor Components Industries, LLC, 2011 1 Publication Order Number: May, 2011 − Rev. 6 MR850/D

MR850, MR851, MR852, MR854, MR856 MAXIMUM RATINGS Rating Symbol MR850 MR851 MR852 MR854 MR856 Unit Peak Repetitive Reverse Voltage VRRM 50 100 200 400 600 V Working Peak Reverse Voltage VRWM DC Blocking Voltage VR Non−Repetitive Peak Reverse Voltage VRSM 75 150 250 450 650 V RMS Reverse Voltage VR(RMS) 35 70 140 280 420 V Average Rectified Forward Current IO 3.0 A (Single phase resistive load, TA = 80°C) Non−Repetitive Peak Surge Current IFSM 100 A (Surge Applied at Rated Load Conditions) (one cycle) Operating and Storage Junction Temperature Range TJ, Tstg −65 to +125 °C −65 to +150 Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. THERMAL CHARACTERISTICS Characteristic Symbol Max Unit Thermal Resistance, Junction−to−Ambient (Note 1) R(cid:2)JA 28 °C/W Thermal Resistance, Junction−to−Lead (Note 1) R(cid:2)JL 5.5 °C/W 1. Mounted with minimum recommended pad size, PC board FR−4. ELECTRICAL CHARACTERISTICS Characteristic Symbol Min Typ Max Unit Forward Voltage VF − 1.04 1.25 V (IF = 3.0 A, TJ = 25°C) Reverse Current (rated DC voltage) TJ = 25°C IR − 2.0 10 (cid:3)A MR850 − − 150 MR851 − 60 150 TJ = 80°C MR852 − − 200 MR854 − − 250 MR856 − 100 300 REVERSE RECOVERY CHARACTERISTICS Characteristic Symbol Min Typ Max Unit Reverse Recovery Time trr ns (IF = 1.0 A to VR = 30 Vdc) − 100 200 (IF = 15 A, di/dt = 10 A/(cid:3)s) − 150 300 Reverse Recovery Current IRM(REC) − − 2.0 A (IF = 1.0 A to VR = 30 Vdc) http://onsemi.com 2

MR850, MR851, MR852, MR854, MR856 ORDERING INFORMATION Device Package Shipping† MR850 Axial Lead* 500 Units / Box MR851 Axial Lead* 500 Units / Box MR851G Axial Lead* 500 Units / Box MR851RL Axial Lead* 1200 / Tape & Reel MR851RLG Axial Lead* 1200 / Tape & Reel MR852 Axial Lead* 500 Units / Box MR852G Axial Lead* 500 Units / Box MR852RL Axial Lead* 1200 / Tape & Reel MR852RLG Axial Lead* 1200 / Tape & Reel MR854 Axial Lead* 500 Units / Box MR854G Axial Lead* 500 Units / Box MR854RL Axial Lead* 1200 / Tape & Reel MR854RLG Axial Lead* 1200 / Tape & Reel MR856 Axial Lead* 500 Units / Box MR856G Axial Lead* 500 Units / Box MR856RL Axial Lead* 1200 / Tape & Reel MR856RLG Axial Lead* 1200 / Tape & Reel †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. *These packages are inherently Pb−Free. http://onsemi.com 3

MR850, MR851, MR852, MR854, MR856 PACKAGE DIMENSIONS AXIAL LEAD CASE 267−05 (DO−201AD) ISSUE G K A NOTES: 1.DIMENSIONING AND TOLERANCING PER ANSI D Y14.5M, 1982. 1 2 2.CONTROLLING DIMENSION: INCH. INCHES MILLIMETERS DIM MIN MAX MIN MAX A 0.287 0.374 7.30 9.50 B B 0.189 0.209 4.80 5.30 K D 0.047 0.051 1.20 1.30 K 1.000 --- 25.40 --- STYLE 1: PIN 1.CATHODE (POLARITY BAND) 2.ANODE ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC 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. “Typical” parameters which may be provided in SCILLC 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 customer’s technical experts. SCILLC does not convey any license under its patent rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC 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 SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. PUBLICATION ORDERING INFORMATION LITERATURE FULFILLMENT: N. American Technical Support: 800−282−9855 Toll Free ON Semiconductor Website: www.onsemi.com Literature Distribution Center for ON Semiconductor USA/Canada P.O. Box 5163, Denver, Colorado 80217 USA Europe, Middle East and Africa Technical Support: Order Literature: http://www.onsemi.com/orderlit Phone: 303−675−2175 or 800−344−3860 Toll Free USA/Canada Phone: 421 33 790 2910 Fax: 303−675−2176 or 800−344−3867 Toll Free USA/Canada Japan Customer Focus Center For additional information, please contact your local Email: orderlit@onsemi.com Phone: 81−3−5773−3850 Sales Representative http://onsemi.com MR850/D 4

Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: O N Semiconductor: MR851RLG MR852G MR852RLG MR854G MR854RLG MR856G MR856RLG MR851G