Order this document by MR850/D SEMICONDUCTOR TECHNICAL DATA Axial lead mounted fast recovery power rectifiers are designed for special applications such as dc power supplies, inverters, converters, ultrasonic systems, choppers, low RF interference and free wheeling diodes. A complete line of fast recovery rectifiers having typical recovery time of 100 nanoseconds providing high efficiency at frequencies to 250 kHz. Mechanical Characteristics * Case: Epoxy, Molded * Weight: 1.1 gram (approximately) * Finish: All External Surfaces Corrosion Resistant and Terminal Leads are Readily Solderable * Lead and Mounting Surface Temperature for Soldering Purposes: 220C Max. for 10 Seconds, 1/16 from case * Shipped in plastic bags, 5,000 per bag. * Available Tape and Reeled, 1500 per reel, by adding a "RL" suffix to the part number * Polarity: Cathode Indicated by Polarity Band * Marking: R850, R851, R852, R854, R856 MR852 and MR856 are Motorola Preferred Devices FAST RECOVERY POWER RECTIFIERS 50-600 VOLTS 3.0 AMPERES CASE 267-03 MAXIMUM RATINGS Rating Symbol MR850 MR851 MR852 MR854 MR856 Unit Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage VRRM VRWM VR 50 100 200 400 600 Volts Non-Repetitive Peak Reverse Voltage VRSM 75 150 250 450 650 Volts VR(RMS) 35 70 140 280 420 Volts RMS Reverse Voltage Average Rectified Forward Current (Single phase resistive load, TA = 80C) IO 3.0 Amp Non-Repetitive Peak Surge Current (surge applied at rated load conditions) IFSM 100 (one cycle) Amp Operating and Storage Junction Temperature Range TJ, Tstg - 65 to +125 - 65 to +150 C THERMAL CHARACTERISTICS Characteristic Thermal Resistance, Junction to Ambient (Recommended Printed Circuit Board Mounting, See Note 4, Page 5) Symbol Max Unit RJA 28 C/W Preferred devices are Motorola recommended choices for future use and best overall value. Rev 2 Device Rectifier Motorola, Inc. 1996 Data 1 ELECTRICAL CHARACTERISTICS Symbol Min Typ Max Unit Forward Voltage (IF = 3.0 Amp, TJ = 25C) Characteristic VF -- 1.04 1.25 Volts Reverse Current (rated dc voltage) TJ = 25C MR850 MR851 MR852 TJ = 80C MR854 MR856 IR -- -- -- -- -- -- 2.0 -- 60 -- -- 100 10 150 150 200 250 300 A Symbol Min Typ Max Unit -- -- 100 150 200 300 -- -- 2.0 REVERSE RECOVERY CHARACTERISTICS Characteristic Reverse Recovery Time (IF = 1.0 Amp to VR = 30 Vdc, Figure 9) (IF = 15 Amp, di/dt = 10 A/s, Figure 10) trr ns Reverse Recovery Current (IF = 1.0 Amp to VR = 30 Vdc, Figure 9) IRM(REC) Amp PACKAGE DIMENSIONS B NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. D DIM A B D K 1 K MILLIMETERS MIN MAX 9.40 9.65 4.83 5.33 1.22 1.32 25.40 --- STYLE 1: PIN 1. CATHODE 2. ANODE A K INCHES MIN MAX 0.370 0.380 0.190 0.210 0.048 0.052 1.000 --- CASE 267-03 ISSUE C 2 Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola 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 consequential or incidental damages. "Typical" parameters which may be provided in Motorola 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. Motorola does not convey any license under its patent rights nor the rights of others. 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