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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Order this document by MR850/D
Axial Lead Fast Recovery Rectifiers
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
MR850 MR851 MR852 MR854 MR856
MR852 and MR856 are Motorola Preferred Devices
FAST RECOVERY POWER RECTIFIERS 50-600 VOLTS 3.0 AMPERES
CASE 267-03
MAXIMUM RATINGS
Rating Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage Non-Repetitive Peak Reverse Voltage RMS Reverse Voltage Average Rectified Forward Current (Single phase resistive load, TA = 80C) Non-Repetitive Peak Surge Current (surge applied at rated load conditions) Operating and Storage Junction Temperature Range Symbol VRRM VRWM VR VRSM VR(RMS) IO IFSM TJ, Tstg MR850 50 MR851 100 MR852 200 MR854 400 MR856 600 Unit Volts
75 35
150 70
250 140 3.0 100 (one cycle) - 65 to +125 - 65 to +150
450 280
650 420
Volts Volts Amp Amp C
THERMAL CHARACTERISTICS
Characteristic Thermal Resistance, Junction to Ambient (Recommended Printed Circuit Board Mounting, See Note 4, Page 5) Symbol RJA Max 28 Unit C/W
Preferred devices are Motorola recommended choices for future use and best overall value.
Rev 2
(c)RectifierInc. 1996 Data Motorola, Device
1
MR850 MR851 MR852 MR854 MR856
ELECTRICAL CHARACTERISTICS
Characteristic Forward Voltage (IF = 3.0 Amp, TJ = 25C) Reverse Current (rated dc voltage) TJ = 25C MR850 MR851 MR852 TJ = 80C MR854 MR856 Symbol VF IR Min -- -- -- -- -- -- -- Typ 1.04 2.0 -- 60 -- -- 100 Max 1.25 10 150 150 200 250 300 Unit Volts A
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) Reverse Recovery Current (IF = 1.0 Amp to VR = 30 Vdc, Figure 9) Symbol trr -- -- IRM(REC) -- 100 150 -- 200 300 2.0 Amp Min Typ Max Unit ns
PACKAGE DIMENSIONS
B
NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. DIM A B D K INCHES MIN MAX 0.370 0.380 0.190 0.210 0.048 0.052 1.000 --- MILLIMETERS MIN MAX 9.40 9.65 4.83 5.33 1.22 1.32 25.40 ---
D
1
K
A
STYLE 1: PIN 1. CATHODE 2. ANODE
K
2
CASE 267-03 ISSUE C
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. Motorola 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 Motorola product could create a situation where personal injury or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola 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 Motorola was negligent regarding the design or manufacture of the part. Motorola and are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer. Mfax is a trademark of Motorola, Inc. How to reach us: USA / EUROPE / Locations Not Listed: Motorola Literature Distribution; P.O. Box 5405, Denver, Colorado 80217. 303-675-2140 or 1-800-441-2447 JAPAN: Nippon Motorola Ltd.: SPD, Strategic Planning Office, 4-32-1, Nishi-Gotanda, Shinagawa-ku, Tokyo 141, Japan. 81-3-5487-8488
MfaxTM: RMFAX0@email.sps.mot.com - TOUCHTONE 602-244-6609 ASIA/PACIFIC: Motorola Semiconductors H.K. Ltd.; 8B Tai Ping Industrial Park, - US & Canada ONLY 1-800-774-1848 51 Ting Kok Road, Tai Po, N.T., Hong Kong. 852-26629298 INTERNET: http://motorola.com/sps
2
MR850/D Rectifier Device Data

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