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Previous Datasheet Index Next Data Sheet PD - 2.478A 20CJQ045 SCHOTTKY RECTIFIER 2 Amp Major Ratings and Characteristics Characteristics IF(AV) Rectangular waveform VRRM IFSM @ tp = 5s sine VF @ 1.0Apk, T J = 125C (per leg) TJ 20CJQ045 2.0 Units A Description / Features The 20CJQ045 surface-mount Schottky rectifier has been designed for applications requiring very low forward drop and very small foot prints. Typical applications are in portables, switching power supplies, converters, automotive systems, free-wheeling diodes, battery charging and reverse battery protection. * Small footprint, surface mountable * Low profile * Very low forward voltage drop * High frequency operation * Guard ring for enhanced ruggedness and long-term reliability * Common Cathode 45 390 0.46 V A V -55 to 150 C SOT-223 CASE STYLE CASE OUTLINE PART MARKING PART NUMBER 2CJQF INTERNATIONAL RECTIFIER LOGO D ATE C ODE (YW W) Y = LAST DIGIT OF YEAR WW = WEEK TOP MARKING BOTTOM MARKING WAFER LOT CODE CIRCUIT BASE COMMON CATHODE NOTES: 1 - DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2 - CONTROLLING DIMENSION: INCH. 3 DIMENSIONS DO NOT INCLUDE MOLD FLASH. 4 - CONFORMS TO JEDEC OUTLINE TO-261AA. 3 1 ANODE 1 2 ANODE 2 COMMON CATHODE 297 To Order Previous Datasheet Index Next Data Sheet 20CJQ045 Voltage Ratings Part number VR Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V) 20CJQ045 45 Absolute Maximum Ratings Parameters IF(AV) IFSM EAS IAR Max. Average Forward Current See Fig. 5 Max. Peak One Cycle Non - Repetitive Surge Current (Per Leg) See Fig. 7 Non - Repetitive Avalanche Energy (Per Leg) Repetitive Avalanche Current (Per Leg) 0.2 A Current decaying linearly to zero in 1sec Frequency limited by TJ max. VA = 1.5 X VR typical 20CJQ Units Conditions 2.0 4.0 390 23 15 mJ A A 50% duty cycle @ TC = 126C, rectangular waveform 50% duty cycle @ TC = 110C, rectangular waveform 5s Sine or 3s Rect. pulse 10ms Sine 0r 6ms Rect. pulse Following any rated load condition and with rated VRRM applied. T J = 25C, IAS = 0.2A, L = 750mH Electrical Specifications Parameters VFM Max. Forward Voltage Drop (Per Leg) See Fig. 1 20CJQ Units 0.50 0.62 0.46 0.60 V V V V mA mA pF nH V/s @ 1.0A @ 2.0A @ 1.0A @ 2.0A T J = 25C T J = 125C Conditions T J = 25C T J = 125C VR = rated VR IRM CT LS dv/dt Max. Reverse Leakage Current (Per Leg) See Fig. 2 Max. Junction Capacitance (Per Leg) Typical Series Inductance (Per Leg) Max. Voltage Rate of Change (Rated VR) 0.1 7.5 70 6.0 7700 VR = 5VDC, (test signal range 100KHz to 1MHz) 25C Measured lead to lead 5mm from package body Thermal-Mechanical Specifications Parameters TJ T STG Max.Junction Temperature Range Max. Storage Temperature Range to Ambient RthJL wt Max. Thermal Resistance, Junction to Lead Approximate Weight Case Style 0.13(.0045) g (oz.) SOT-223 25 C/W DC operation -- see Fig. 4. 20CJQ -55 to 150 -55 to 150 65 Units C C C/W Conditions RthJA Max. Thermal Resistance, Junction DC operation Pulse Width < 300s, Duty Cycle < 2% 298 To Order Previous Datasheet Index Next Data Sheet 20CJQ045 10 10 TJ = 150C Reverse Current - I R (mA) 1 125C 100C 0.1 75C 50C 25C TJ = 150C TJ = 125C Instantaneous Forward Current - IF (A) TJ = 25C 0.01 0.001 0.0001 0 1 A 5 10 15 20 25 30 35 40 45 Reverse Voltage - VR (V) Fig. 2 Typical Values of Reverse Current Vs. Reverse Voltage (Per Leg) 100 Junction Capacitance - C T (pF) TJ = 25C 0.1 0.2 0.4 0.6 0.8 1.0 Forward Voltage Drop - VFM (V) Fig. 1 Max. Forward Voltage Drop Characteristics (Per Leg) 10 0 10 20 30 40 A 50 Reverse Voltage - V R (V) Fig. 3 Typical Junction CapacitanceVs. Reverse Voltage (Per Leg) (C/W) thJL 100 D = 0.17 10 Thermal Impedance - Z D = 0.50 D = 0.33 D = 0.25 D = 0.08 PD M t 1 t2 1 Single Pulse (Thermal Resistance) 0.1 0.00001 N o te s: 1 . D uty fac tor D = t / t 12 2 . Pe ak TJ = PD M x Z thJ L + TL A 100 0.0001 0.001 0.01 0.1 1 10 t 1, Rectangular Pulse Duration (Seconds) Fig. 4 Max. Thermal Impedance ZthJL Characteristics (Per Leg) 299 To Order Previous Datasheet Index Next Data Sheet 20CJQ045 Allowable Case Temperature - (C) 160 3 140 Average Power Loss - (Watts) 20CJQ045 R thJL (DC) = 25C/W 2 D = 0.08 D = 0.17 D = 0.25 D = 0.33 D = 0.50 DC 120 1 100 RMS Limit DC A 80 0.0 1.0 2.0 3.0 4.0 A 0 0 0.4 0.8 1.2 1.6 Average Forward Current - I F(AV) (A) Average Forward Current - IF(AV) (A) Fig. 5 Max. Allowable Case Temperature Vs. Average Forward Current (Per Leg) Fig. 6 Forward Power Loss Characteristics (Per Leg) Non - Repetitive Surge Current - I FSM (A) 1000 At Any Rated Load Condition And With Rated V RRM Applied Following Surge L 100 D UT R g = 2 5 oh m C U RR E NT M O N IT O R H IG H -S P E E D S W IT C H BRD F R E E -W H E E L D IO D E 4 0H FL 40 S 0 2 + V d = 25 V o lt 10 10 100 1000 A 10000 Square Wave Pulse Duration - t p (microsec) A Fig.7 Max. Non-Repetitive Surge Current (Per Leg) Fig. 8 Unclamped Inductive Test Circuit Refer to the Appendix Section for the following: Appendix D: Tape and Reel Information -- See page 340. 300 To Order |
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