MR2535L Overvoltage Transient Suppressors Medium Current Designed for applications requiring a low voltage rectifier with reverse avalanche characteristics for use as reverse power transient suppressors. Developed to suppress transients in the automotive system, these devices operate in the forward mode as standard rectifiers or reverse mode as power avalanche rectifier and will protect electronic equipment from overvoltage conditions. * Avalanche Voltage 24 to 32 Volts * High Power Capability * Economical * Increased Capacity by Parallel Operation http://onsemi.com Mechanical Characteristics * Case: Epoxy, Molded * Weight: 2.5 Grams (Approximately) * Finish: All External Surfaces Corrosion Resistant and Terminal AXIAL LEAD BUTTON CASE 194 STYLE 1 Leads are Readily Solderable * Maximum Lead Temperature for Soldering Purposes: * * MARKING DIAGRAM 350C 3/8 from Case for 10 Seconds at 5 lbs. Tension Polarity: Indicated by Diode Symbol or Cathode Band Marking: MR2535L MR2535L LYYWW MAXIMUM RATINGS (TJ = 25C unless otherwise noted) Rating Symbol Value Unit VRRM VRWM VR 20 Volts Repetitive Peak Reverse Surge Current (Time Constant = 10 ms, Duty Cycle 1%, TC = 25C) (See Note 1) IRSM 62 Amps Average Rectified Forward Current (Single Phase, Resistive Load, 60 Hz, TC = 125C) (See Figure 4) IO 6.0 Amps IFSM 600 Amps DC Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage Non-Repetitive Peak Surge Current Surge Supplied at Rated Load Conditions Halfwave, Single Phase Operating and Storage Junction Temperature Range Semiconductor Components Industries, LLC, 2000 October, 2000 - Rev. 4 MR2535L = Device Code L = Location Code YY = Year WW = Work Week ORDERING INFORMATION TJ, Tstg Device C -65 to +175 1 Package Shipping MR2535L Axial Lead Button 1000/Box MR2535LRL Axial Lead Button 800/Reel Publication Order Number: MR2535L/D MR2535L THERMAL CHARACTERISTICS Lead Length Characteristic Thermal Resistance, Junction to Lead @ Both Leads to Heat Sink, Equal Length 1/4 3/8 1/2 Thermal Resistance Junction to Case Symbol Max Unit RJL 7.5 10 13 C/W RJC 0.8* C/W ELECTRICAL CHARACTERISTICS (TJ = 25C unless otherwise noted) Symbol Min Max Unit Instantaneous Forward Voltage (Note 1.) (iF = 100 Amps, TC = 25C) vF - 1.1 Volts Reverse Current (VR = 20 Vdc, TC = 25C) IR - 200 nAdc Breakdown Voltage (Note 1.) (IR = 100 mAdc, TC = 25C) V(BR) 24 32 Volts Breakdown Voltage (Note 1.) (IR = 90 Amp, TC = 150C, PW = 80 s) V(BR) - 40 Volts V(BR)TC - 0.096* %/C VFTC - 2* mV/C Characteristic Breakdown Voltage Temperature Coefficient Forward Voltage Temperature Coefficient @ IF = 10 mA 1. Pulse Test: Pulse Width 300 s, Duty Cycle 2%. http://onsemi.com 2 IF, INSTANTANEOUS FORWARD CURRENT (A) MR2535L 1000 IR, REVERSE CURRENT (nA) 1000 75C 100 TJ = 125C 25C 10 1 10 1 0.1 0.01 600 700 800 900 1000 25 50 100 125 150 Figure 1. Typical Forward Voltage Figure 2. Typical Reverse Current versus Junction Temperature IF(avg), AVERAGE FORWARD CURRENT (A) TJ, JUNCTION TEMPERATURE (C) TJ = 25C 3500 3000 2500 2000 1500 1000 0 5 10 15 20 25 25 Both leads to heatsink with equal length IF(peak)/IF(avg) = 20 15 10 mm L = 6.25 mm 10 15 mm 5 0 20 40 60 VR, DC BLOCKING VOLTAGE (V) 80 100 120 140 160 180 TL, LEAD TEMPERATURE (C) Figure 3. Typical Capacitance Figure 4. Maximum Current Ratings 45 R JL, THERMAL RESISTANCE JUNCTION TO LEAD ( C/W) 1 r(t), TRANSIENT THERMAL RESISTANCE (NORMALIZED) 75 VF, INSTANTANEOUS FORWARD VOLTAGE (mV) 4000 C, CAPACITANCE (pF) VR = 20 V 100 0.1 L = 6.25 mm, both leads to heatsink (equal length) 0.01 40 Maximum 35 Typical 30 Single to heatsink 25 Maximum 20 Typical 15 10 5 Both leads to heatsink (equal length) 0 0.001 0.01 0.1 1 10 100 0 t, TIME (S) 5 10 15 20 LEAD LENGTH (mm) Figure 5. Thermal Response Figure 6. Steady State Thermal Resistance http://onsemi.com 3 25 100 10000 PRSM, PEAK REVERSE POWER (W) IRSM, PEAK REVERSE CURRENT (A) MR2535L TJ = 25C 10 1 10 100 1000 100 1000 1 10 100 1000 t, TIME CONSTANT (mS) t, TIME CONSTANT (mS) Figure 7. Maximum Peak Reverse Current Figure 8. Maximum Peak Reverse Power 2400 PEAK REVERSE POWER (W) 1000 TJ = 25C 100 10 2000 Time Constant = 10 mS 1600 1200 1 800 Time Constant = 100 mS 400 0 1 10 100 1000 25 50 75 100 125 t, TIME CONSTANT (mS) TL, LEAD TEMPERATURE (C) Figure 9. Maximum Reverse Energy Figure 10. Reverse Power Derating 1.20 1.18 V Z(Irsm) /V Z(100 mA) W RSM, PEAK REVERSE ENERGY (J) TJ = 25C PW = 80 S, TL = 25C 1.16 1.14 1.12 1.10 1.08 1.06 1.04 1.02 1.00 10 20 30 40 50 60 70 80 90 100 110 120 IRSM, REPETITIVE PEAK REVERSE SURGE CURRENT (A) Figure 11. Typical Clamping Factor http://onsemi.com 4 150 MR2535L 2 Ohms 0 - 150 V 50 mF dl/dt Limitation 100 H MR2535L Figure 12. Load Dump Test Circuit 100 dl/dt < 1 A/s 80 (%) 60 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 13. Load Dump Pulse Current http://onsemi.com 5 MR2535L Notes http://onsemi.com 6 MR2535L PACKAGE DIMENSIONS AXIAL LEAD BUTTON CASE 194-04 ISSUE F A NOTES: 1. CATHODE SYMBOL ON PACKAGE. D 1 DIM A B D E K MILLIMETERS MIN MAX 8.43 8.69 5.94 6.25 1.27 1.35 25.15 25.65 STYLE 1: PIN 1. CATHODE 2. ANODE B K 2 http://onsemi.com 7 INCHES MIN MAX 0.332 0.342 0.234 0.246 0.050 0.053 0.990 1.010 MR2535L ON Semiconductor and are trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. 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