MR4045 Automotive Transient Voltage Suppressor 34 V – 45 V Designed for Automotive Applications (Alternator) requiring Reverse Avalanche Capability for use as Transient Voltage Suppressor. Developed to suppress transients in automotive systems, this device operates in the forward mode as Standard Rectifier or in Reverse as Transient Voltage Suppressor for Centralized Protection. For further information referring to Mounting or Operating Conditions, contact your nearest ON Semiconductor Sales Representative. http://onsemi.com N SUFFIX (Anode to Cup) P SUFFIX (Cathode to Cup) CASE 193A Mechanical Characteristics • Finish: 100% Tin Plated • All External Surfaces are Corrosion Resistant Weight: 2.6 Grams (Approximately) MARKING DIAGRAM Packaging/Labeling • Two Sealed Bags into a Cardboard Box • Device Number Labeled on the Bag Marking • The Devices are Laser Marked on the Epoxy Surface MAXIMUM RATING Rating Symbol Value DC Blocking Voltage VR 30 Volts Average Forward Current (Single Phase, Resistive Load, TC = 185°C) IO 40 Amps Peak Repetitive Reverse Surge Current (Time Constant = 10 ms, TC = 25°C) (Time Constant = 80 ms, TC = 25°C) Unit ORDERING INFORMATION Amps IRSM IRSM 55 25 Non−Repetitive Peak Surge Current (Halfwave, Single Phase, 50 Hz) IFSM 500 Amps Storage Temperature Range Tstg −40 to +200 °C Maximum Operating Junction Temperature TJ 200 °C © Semiconductor Components Industries, LLC, 2006 September, 2006 − Rev. 2 NL = Location Code 2N or 2P = Device Code and Polarity YY = Year WW = Work Week ### = Assembly Lot Number 1 Device Package Shipping MR4045N Button Can 5000 Units/Box MR4045P Button Can 5000 Units/Box Publication Order Number: MR4045/D MR4045 THERMAL CHARACTERISTICS Characteristic Symbol Value Unit RθJC 0.4 °C/W Thermal Resistance Junction to Case ELECTRICAL CHARACTERISTICS Characteristic Symbol Min Max Unit vF − 1.1 Volts Instantaneous Forward Voltage (Note 1.) (IF = 100 Amps, TC = 25°C) Reverse Current (Note 1.) (VR = 28 Vdc, TC = 25°C) IR − 1.0 mA Breakdown Voltage (Note 1.) (IR = 100 mA, TC = 25°C) V(BR) 34 45 Volts Breakdown Voltage (IR = 80 Amps, TC = 25°C, PW = 80 ms) (IR = 80 Amps, TC = 85°C, PW = 80 ms) V(BR) − − 53 55 Breakdown Voltage Temperature Coefficient Volts V(BR)TC 0.095* %/°C VFTC −2* mV/°C Forward Voltage Temperature Coefficient (IF = 10 mA) IF, INSTANTANEOUS FORWARD CURRENT (A) 1. Pulse Test: Pulse Width < 300 μs, Duty Cycle < 2%. **Typical IR, REVERSE CURRENT ( m A) 1000 1000 TJ = 200°C 100 150°C 10 100°C 1 0.1 25°C 0.01 0.001 0 10 20 30 VR, REVERSE VOLTAGE (V) 100 TJ = 200°C 10 1 150°C 100°C 500 25°C 800 900 1000 1100 Figure 2. Typical Forward Voltage 100 10000 PRSM, PEAK REVERSE POWER (W) IRSM, PEAK REVERSE CURRENT (A) 700 VF, INSTANTANEOUS FORWARD VOLTAGE (mV) Figure 1. Typical Reverse Current TC = 25°C 10 600 1 10 100 1000 TC = 25°C 1000 100 1 10 100 t, TIME CONSTANT (mS) t, TIME CONSTANT (mS) Figure 3. Maximum Peak Reverse Current Figure 4. Maximum Peak Reverse Power http://onsemi.com 2 1000 W RSM, PEAK REVERSE ENERGY (J) 1000 TC = 25°C 100 10 1 1 10 100 1000 IF(avg), AVERAGE FORWARD CURRENT (A) MR4045 60 50 40 30 20 10 0 100 120 140 160 180 200 t, TIME CONSTANT (mS) TC, CASE TEMPERATURE (°C) Figure 5. Maximum Reverse Energy Figure 6. Maximum Current Rating 10000 2 Ohms di/dt Limitation 100 mH 8000 7000 0 − 150 V x mF MR4045N MR4045P 6000 Figure 8. Load Dump Test Circuit 5000 4000 0 5 10 15 20 VR, REVERSE VOLTAGE (V) Figure 7. Typical Capacitance 100 di/dt < 1 A/ms 80 60 (%) C, CAPACITANCE (pF) 9000 40 20 0 0 0.1 t (50%) t (37%) 0.2 0.3 t (10%) 0.4 0.5 t (37%) = Time Constant t (50%) = 0.7 t (37%) t (10%) = 2.3 t (37%) t, TIME (S) Figure 9. Load Dump Pulse Current http://onsemi.com 3 220 MR4045 PACKAGE DIMENSIONS N SUFFIX (Anode to Cup) P SUFFIX (Cathode to Cup) CASE 193A−02 ISSUE A A NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. DIM A B C D E F D F B E MILLIMETERS MIN MAX 11.4 11.6 9.3 9.7 4.3 4.9 5.4 5.6 3.6 4.2 1.0 2.0 INCHES MIN MAX 0.449 0.457 0.366 0.382 0.169 0.193 0.213 0.220 0.142 0.165 0.039 0.079 C 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. 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American Technical Support: 800−282−9855 Toll Free USA/Canada Europe, Middle East and Africa Technical Support: Phone: 421 33 790 2910 Japan Customer Focus Center Phone: 81−3−5773−3850 http://onsemi.com 4 ON Semiconductor Website: www.onsemi.com Order Literature: http://www.onsemi.com/orderlit For additional information, please contact your local Sales Representative MR4045/D