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| Bulletin PD-20566 rev. B 07/02 40L40CW 40L45CW SCHOTTKY RECTIFIER 2 x 20 Amps Major Ratings and Characteristics Characteristics IF(AV) Rectangular waveform VRRM IFSM @ tp = 5 s sine VF TJ @ 20 Apk, TJ=125C (per leg, Typical) Description/ Features Units A The 40L..CW center tap Schottky rectifier has been optimized for very low forward voltage drop, with moderate leakage. The proprietary barrier technology allows for reliable operation up to 150 C junction temperature. Typical applications are in switching power supplies. 150 C TJ operation Center tap TO-247 package 40L..CW 40 40 - 45 1240 0.42 V A V High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance Very low forward voltage drop High frequency operation Guard ring for enhanced ruggedness and long term reliability - 55 to 150 C Case Styles 40L..CW Base Common Cathode 2 1 3 2 Anode 1 Anode 2 TO-247AC Common Cathode www.irf.com 1 40L40CW, 40L45CW Bulletin PD-20566 rev. B 07/02 Voltage Ratings Part number VR Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V) 40L40CW 40 40L45CW 45 Absolute Maximum Ratings Parameters IF(AV) Max. Average Forward Current IFSM EAS IAR * See Fig. 5 (Per Leg) (Per Device) 40L..CW Units 20 40 1240 350 20 3 A mJ A A Conditions 50% duty cycle @ TC = 122 C, rectangular wave form 5s Sine or 3s Rect. pulse Following any rated load condition and with 10ms Sine or 6ms Rect. pulse rated VRRM applied Max. Peak One Cycle Non-Repetitive Surge Current (Per Leg) * See Fig. 7 Non-Repetitive Avalanche Energy (Per Leg) Repetitive Avalanche Current (Per Leg) TJ = 25 C, IAS = 3 Amps, L = 4.4 mH Current decaying linearly to zero in 1 sec Frequency limited by TJ max. VA = 1.5 x VR typical Electrical Specifications Parameters VFM Forward Voltage Drop (Per Leg) * See Fig. 1 40L..CW Units Typ. 0.48 0.61 0.42 0.60 (1) 20 Max. 0.53 0.69 0.49 0.70 1.5 80 0.27 8.72 7.5 1500 V V V V mA mA V m pF nH @ 20A @ 40A @ 20A @ 40A Conditions TJ = 25 C TJ = 125 C VR = rated VR (1) IRM Reverse Leakage Current (Per Leg) * See Fig. 2 TJ = 25 C TJ = 100 C TJ = TJ max. VF(TO) Threshold Voltage rt CT LS Forward Slope Resistance Max. Junction Capacitance (Per Leg) Typical Series Inductance (Per Leg) VR = 5VDC, (test signal range 100Khz to 1Mhz) 25C Measured lead to lead 5mm from package body dv/dt Max. Voltage Rate of Change 10000 V/ s (Rated VR) (1) Pulse Width < 300s, Duty Cycle <2% Thermal-Mechanical Specifications Parameters TJ Tstg Max. Junction Temperature Range Max. Storage Temperature Range 40L..CW Units -55 to 150 -55 to 150 1.6 0.8 0.24 6 (0.21) Min. Max. 6 (5) 12 (10) C C Conditions RthJC Max. Thermal Resistance Junction to Case (Per Leg) RthJC Max. Thermal Resistance Junction to Case (Per Package) RthCS Typical Thermal Resistance, Case to Heatsink wt T Approximate Weight Mounting Torque Case Style C/W DC operation C/W DC operation * See Fig. 4 C/W Mounting surface , smooth and greased g (oz.) Kg-cm Non-lubricated threads (Ibf-in) TO-247AC(TO-3P) JEDEC 2 www.irf.com 40L40CW, 40L45CW Bulletin PD-20566 rev. B 07/02 10 0 0 1000 100 Reve rse C urre nt - I R (m A) 10 1 50 C 0 .1 25 C 0 .0 1 0 .0 0 1 0 T J = 150 C T J = 125 C T J = 25 C 10 Junction C ap acita nce - C T (pF) 1 00 0 0 5 10 15 20 25 30 35 40 45 Re verse V olta g e - VR (V ) T J = 150 C 125 C 100 C 75 C In stan tane ous F orwa rd C urrent - I F (A) 10 0 Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage (Per Leg) T J = 25 C 10 0 0 1 0 0 .2 0 .4 0 .6 0.8 1 1 .2 1 .4 1 .6 1.8 Forw a rd V oltag e D rop - V FM (V ) 1 00 0 10 20 30 40 50 Reverse V oltag e - V R (V ) Fig. 1 - Max. Forward Voltage Drop Characteristics (Per Leg) 10 Th erm al Im pedan ce Z thJC ( C /W ) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage (Per Leg) 1 D D D D D = = = = = 0.75 0.50 0.33 0.25 0.20 PD M 0 .1 Single Pulse (Therm a l Resistance) N otes: t1 t2 1. D uty fac tor D = t 1 / t 2 2. Peak T J = P M x Z thJ C + T C D 0 .01 0 .00 00 1 0 .0 00 1 0 .0 0 1 0.0 1 0 .1 1 10 1 00 t , Recta ng ular Pulse D ura tio n (Seco nds) 1 Fig. 4 - Max. Thermal Impedance ZthJC Characteristics (Per Leg) www.irf.com 3 40L40CW, 40L45CW Bulletin PD-20566 rev. B 07/02 150 Allo w a ble C a se Te m peratu re - ( C ) Averag e Pow er Loss - (W atts) 18 16 140 DC 130 14 12 10 8 6 4 2 se e no te (2) D D D D D = = = = = 0.20 0.25 0.33 0.50 0.75 RM S Lim it DC 120 Sq ua re w a ve (D = 0.50) 80% Rate d V R a p p lie d 110 100 0 5 10 15 20 25 30 A vera g e F orw a rd C urren t - I F(AV ) (A ) 0 0 5 10 15 20 25 30 (A ) A vera ge Forw a rd C urren t - I F(A V) Fig. 5 - Max. Allowable Case Temperature Vs. Average Forward Current (Per Leg) N on-Repetitive Surge C urrent - I FSM (A ) 10000 A t A ny Rated Load C on dition A nd W ith Ra ted V RRM Ap plied Follow in g Surge Fig. 6 - Forward Power Loss Characteristics (Per Leg) 1000 100 10 100 1000 10000 Sq uare W a ve Pulse D uration - t p (m icrosec) Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg) L H IG H -SPE ED SW ITC H FREE-W HE EL D IO D E 40H FL40S02 V d = 25 V olt D UT IRFP460 Rg = 25 ohm + C UR RE N T M O N ITO R Fig. 8 - Unclamped Inductive Test Circuit (2) Formula used: TC = TJ - (Pd + PdREV) x RthJC ; Pd = Forward Power Loss = IF(AV) x VFM @ (IF(AV) / D) (see Fig. 6); PdREV = Inverse Power Loss = VR1 x IR (1 - D); IR @ VR1 = 80% rated VR 4 www.irf.com 40L40CW, 40L45CW Bulletin PD-20566 rev. B 07/02 Outline Table 3. 65 (0 .14 4) 3. 55 (0 .13 9) 15 .90 (0 .626 ) 15 .30 (0 .602 ) DIA. 5. 30 (0 .20 9) 4.70 ( 0.185) 2.5 ( 0.098) 1.5 ( 0.059) 5. 70 (0 .22 5) 5.30 ( 0.208) 20 .30 (0 .800 ) 19 .70 (0 .775 ) 5.50 ( 0.217) 4. 50 (0 .17 7) 1 2 3 (2 PLCS.) Base Common Cathode 2 1 3 2 Anode Anode 2 14. 80 ( 0.583) 14 .20 (0 .559 ) 1 4. 30 (0 .17 0) 3. 70 (0 .14 5) 2. 20 (0 .08 7) Common Cathode 1. 40 (0 .05 6) 2. 40 (0 .09 5) MAX. 0.80 ( 0.032) 0. 40 (0 .21 3) MAX. 1. 00 (0 .03 9) 10. 94 ( 0.430) 10 .86 (0 .427 ) Conform to JEDEC outline TO-247AC (TO-3P) Dimensions in millimeters and (inches) Data and specifications subject to change without notice. This product has been designed and qualified for Industrial Level. Qualification Standards can be found on IR's Web site. IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105 TAC Fax: (310) 252-7309 Visit us at www.irf.com for sales contact information. 07/02 www.irf.com 5 |
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