MR2520L Overvoltage Transient Suppressor 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. • High Power Capability • Economical • Increased Capacity by Parallel Operation http://onsemi.com OVERVOLTAGE TRANSIENT SUPPRESSOR 24 - 32 VOLTS Mechanical Characteristics • Case: Epoxy, Molded • Weight: 2.5 Grams (Approximately) • Finish: All External Surfaces Corrosion Resistant and Terminal Leads are Readily Solderable • Maximum Lead Temperature for Soldering Purposes: 350°C 3/8″ from Case for 10 Seconds at 5 lbs. Tension • Polarity: Indicated by Diode Symbol or Cathode Band • Marking: MR2520L AXIAL LEAD BUTTON CASE 194 STYLE 1 MAXIMUM RATINGS (TJ = 25°C unless otherwise noted) Symbol Value Unit VRRM VRWM VR 23 Volts Repetitive Peak Reverse Surge Current (Time Constant = 10 ms, Duty Cycle ≤ 1%, TC = 25°C) IRSM 58 Amps Peak Reverse Power (Time Constant = 10 ms, Duty Cycle ≤ 1%, TC = 25°C) PRSM 2500 Watts IO 6.0 Amps Rating DC Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage Average Rectified Forward Current (Single Phase, Resistive Load, 60 Hz, TC = 125°C) (See Figure 4) Non-Repetitive Peak Surge Current Surge Supplied at Rated Load Conditions Halfwave, Single Phase Operating and Storage Junction Temperature Range MR2520L LYYWW IFSM 400 Amps TJ, Tstg -65 to +175 °C MR2520L = Device Code L = Location Code YY = Year WW = Work Week ORDERING INFORMATION Device Semiconductor Components Industries, LLC, 2002 December, 2002 - Rev. 1 1 Package Shipping MR2520L Axial Lead Button 1000/Box MR2520LRL Axial Lead Button 800/Reel Publication Order Number: MR2520L/D MR2520L THERMAL CHARACTERISTICS Lead Length Characteristic Thermal Resistance, Junction to Lead, Both Leads to Heat Sink with Equal Length Symbol Max Unit 6.25 mm 10 mm 15 mm RθJL 7.5 10 15 °C/W - RθJC 1.0 °C/W Thermal Resistance Junction to Case **Typical ELECTRICAL CHARACTERISTICS (TJ = 25°C unless otherwise noted) Characteristic Symbol Min Max Unit Instantaneous Forward Voltage (Note 1) (IF = 100 Amps, TC = 25°C) VF - 1.25 Volts Instantaneous Forward Voltage (Note 1) (IF = 6.0 Amps, TC = 25°C) VF - 0.90 Volts Reverse Current (VR = 20 Vdc, TC = 25°C) IR - 10 nAdc Reverse Current (VR = 20 Vdc, TC = 25°C) IR - 300 nAdc Breakdown Voltage (Note 1) (IR = 100 mAdc, TC = 25°C) V(BR) 24 32 Volts Breakdown Voltage (Note 1) (IR = 90 Amp, TC = 150°C, PW = 80 µs) V(BR) - 40 Volts Dynamic Resistance (IR = 100 mA, TJ = 25°C, f = 1.0 kHz) RZ - 5.0 Dynamic Resistance (IR = 40 mA, TJ = 25°C) RZ - 0.15 Breakdown Voltage Temperature Coefficient V(BR)TC - 0.09* %/°C VFTC - -2* mV/°C Forward Voltage Temperature Coefficient @ IF = 10 mA 1. Pulse Test: Pulse Width ≤ 300 µs, Duty Cycle ≤ 2%. **Typical http://onsemi.com 2 IR, REVERSE CURRENT (NORMALIZED) IF, INSTANTANEOUS FORWARD CURRENT (A) MR2520L 1000 100 10 TJ = 150°C 100°C 25°C 1.0 600 700 800 900 1000 102 101 100 25 50 100 125 150 TJ, JUNCTION TEMPERATURE (°C) Figure 1. Forward Voltage Figure 2. Normalized Reverse Current 3000 2500 2000 1500 1000 5 10 15 20 25 175 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, REVERSE VOLTAGE (V) 80 100 120 140 160 180 TL, LEAD TEMPERATURE (°C) Figure 3. Typical Capacitance Figure 4. Maximum Current Ratings 40 100 R JL, THERMAL RESISTANCE JUNCTION TO LEAD ( °C/W) r(t), TRANSIENT THERMAL RESISTANCE (NORMALIZED) Maximum 10- 1 10- 2 75 VF, INSTANTANEOUS FORWARD VOLTAGE (mV) 3500 C, CAPACITANCE (pF) 103 1100 4000 0 VR = 20 V IF(avg), AVERAGE FORWARD CURRENT (A) 500 104 L = 6.25 mm, both leads to heatsink (equal length) Typical 35 Single to heatsink 30 25 Maximum 20 Typical 15 10 5 Both leads to heatsink (equal length) 0 10- 3 10- 2 10- 1 100 101 102 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) MR2520L TJ = 25°C 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 PEAK REVERSE POWER (W) 1000 W RSM, PEAK REVERSE ENERGY (J) TJ = 25°C TJ = 25°C 100 10 1 1 10 100 2800 2600 2400 2200 2000 1800 1600 1400 1200 1000 800 600 400 200 1000 Time Constant = 10 mS Time Constant = 100 mS 25 50 75 100 125 t, TIME CONSTANT (mS) TL, LEAD TEMPERATURE (°C) Figure 9. Maximum Reverse Energy Figure 10. Reverse Power Derating 150 100 1.20 PW = 80 S, TL = 25°C 1.16 f, FREQUENCY (HERTZ) V Z(Irsm) /V Z(100 mA) 1.18 1.14 1.12 1.10 1.08 1.06 1.04 1.02 1.00 1−5 mm (Both leads to heat sink) 10- 1 1−20 mm (Both leads to heat sink) 10- 2 10- 3 10 20 30 40 50 60 70 80 90 100 110 120 1 IRSM, REPETITIVE PEAK REVERSE SURGE CURRENT (A) 10 100 TIME CONSTANT (ms) Figure 11. Typical Clamping Factor Figure 12. Maximum Load Dump Frequency http://onsemi.com 4 1000 MR2520L 2 Ohms 0 - 150 V 50 mF dl/dt Limitation 100 H MR2532L Figure 13. 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%) 0.5 0.4 t (37%) = Time Constant t (50%) = 0.7 t (37%) t (10%) = 2.3 t (37%) t, TIME (S) Figure 14. Load Dump Pulse Current http://onsemi.com 5 MR2520L Notes http://onsemi.com 6 MR2520L 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 MR2520L 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. 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