FST40.55 = FS 14045 J N Dim. Inches Millimeter R| J - C Minimum Maximum Minimum Maximum Notes 4 L _ A 185 .209 4.70 5.31 .087 102 2.21 2.59 l f _- 059 098 1.50 = 2.49 1 Z . . . . Q D ~-.040 .055 1.02 1.40 | H E .079 .094 2.01 2.39 F 118 133 3.00 3.38 | 12 3 4 G .016 .031 -410 0.78 M H .819 .883 20.80 22.4 T J .627 .650 15.93 16.5 lL K .215 5.46 Typ. L E L -790 -810 20.07 20.6 F M 157 180 3.99 4.57 D 12 3 N 139 144 3.53 3.66 Dia. ~ 6] P .255 .300 6.48 7.62 K HL Q 170 210 4.32 5.33 R .080 110 2.03 2.79 Similar to TO247AD Microsemi Catalog Industry Repetitive Peak Transient Peak Number Part Number Reverse Voltage Reverse Voltage e Schottky Barrier Rectifier FST4055 oeaOucwr 35V 3SV @ Reverse energy tested e Guard ring for reverse protection FST4040 40CPQ040 40V 40V AOL40CW e Low forward voltage MBR4040WT 150C junction temperature FST4045 40CPQ045 45V 45V e VRRM 35 to 45 volts 40L45CW MBR4045WT Electrical Characteristics Average forward current per pkg E(AV) 40 Amps Tc= 110C, square wave, Revc = 0.9C/W Average forward current per leg lF(AV) 20 Amps Tc = 110C, square wave, Reuc = 1.8C/W Maximum surge current per leg yESM 400 Amps 8.3ms, half sine, Ty = 150C Max. peak forward voltage per leg VEM .48 Volts IFM = 20A, Tu = 150C* Max. peak forward voltage per leg VFM .55 Volts IFM =_20A, TJ = 25C* Max. peak reverse current per leg 'RM 1 Amp VRRM, TJ = 150C* Max. peak reverse current per leg IRM 2 mA VRRM, TU = 25C Typical junction capacitance per leg Cy1200 pF VR = 5.0V, Ty = 25C *Pulse test: Pulse width 300 usec. Duty Cycle 2% Thermal and Mechanical Characteristics Storage temp range TSTG 55C to +150C Operating junction temp range TJ 55C to +150C Max thermal resistance per leg R@JC \ 8C/W Junction to case Max thermal resistance per pkg ReJC 0.9C/W Junction to case Weight .22 ounces (6.36 grams) typical COLORADO 800 Hoyt Street 10-11-04 Rev. 5 m eroomfield, CO. 80020 icrosemd 2% FAX: (303) 466-3775 www.microsemi.comFST4059 FS14049 Typical Reverse Current mAmperes Figure 1 Figure 3 ; ; Typical Forward Characteristics Per Leg Typical Junction Capacitance Per Leg 1000 10000 800 6000 600 4000 Le 400 2000 3 1000 = 200 3 600 & 400 100 S 200 80 e 60 3 100 0.1 0.5 1.0 5.0 10 50 100 40 Reverse Voltage Volts Figure 4 3 Forward Current Derating Per Leg 20 a S 150 ~ | 5 140 = 10 6 ~~] 3 8.0 S 430 | 5 5 | ph, 6.0 120 a] mo] o 5 8 ee ee 5 40 2 110 ~~ ad 3 . o z 3 = 100 5 2.0 & z g z 1.0 3 80 PO [1207809 Dt 0 0.2 O04 O06 O8 10 12 1.4 0 6 12 18 24 30 Instantaneous Forward Voltage Volts Average Forward Current Amperes Figure 2 Figure 5 Typical Reverse Characteristics Per Leg Maximum Forward Power Dissipation Per Leg 1000 2 14 DC = LZ 12 1 100 | Y 10 Z 3 7d YY 10 a. Sf LZ 2 a 5 LD / 1.0 |75C Vy na 4 f os 0.1 E ZY 2 S .01 = 0 0 10 20 30 40 50 0 6 12 18 24 30 Reverse Voltage Volts Average Forward Current Amperes 10-11-04 Rev. 5