Bulletin PD-20561 rev. C 01/01 8TQ... 8TQ...S 8 Amp SCHOTTKY RECTIFIER IF(AV) = 8 Amp VR = 80 - 100V Major Ratings and Characteristics Description/Features The 8TQ Schottky rectifier series has been optimized for low reverse leakage at high temperature. The proprietary barrier technology allows for reliable operation up to 175 C junction temperature. Typical applications are in switching power supplies, converters, free-wheeling diodes, and reverse battery protection. Characteristics 8TQ Units IF(AV) Rectangular 8 A 80 - 100 V IFSM @ tp = 5 s sine 850 A High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance VF @ 8 Apk, TJ = 125C 0.58 V Low forward voltage drop High frequency operation TJ range - 55 to 175 C Guard ring for enhanced ruggedness and long term reliability waveform VRRM range 175 C TJ operation Case Styles www.irf.com 8TQ... 8TQ... S TO-220 D2PAK 1 8TQ... Series Bulletin PD-20561 rev. C 01/01 Voltage Ratings Part number VR 8TQ080 8TQ100 80 100 Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V) Absolute Maximum Ratings Parameters IF(AV) Max. Average Forward Current * See Fig. 5 IFSM 8TQ Units 8 A Max. Peak One Cycle Non-Repetitive 850 Surge Current * See Fig. 7 230 EAS Non-Repetitive Avalanche Energy 7.50 mJ IAR Repetitive Avalanche Current 0.50 A A Conditions 50% duty cycle @ TC = 157 C, rectangular wave form 5s Sine or 3s Rect. pulse 10ms Sine or 6ms Rect. pulse Following any rated load condition and with rated VRRM applied TJ = 25 C, IAS = 0.50 Amps, L = 60 mH Current decaying linearly to zero in 1 sec Frequency limited by TJ max. VA = 1.5 x VR typical Electrical Specifications Parameters VFM 8TQ Max. Forward Voltage Drop (1) * See Fig. 1 IRM Max. Reverse Leakage Current (1) * See Fig. 2 CT Max. Junction Capacitance LS Typical Series Inductance dv/dt Max. Voltage Rate of Change (Rated VR) Units Conditions 0.72 V @ 8A 0.88 V @ 16A 0.58 V @ 8A 0.69 V @ 16A 0.55 mA TJ = 25 C 7 mA TJ = 125 C 500 pF VR = 5VDC, (test signal range 100Khz to 1Mhz) 25 C 8 nH Measured lead to lead 5mm from package body 10,000 V/ s TJ = 25 C TJ = 125 C VR = rated VR (1) Pulse Width < 300s, Duty Cycle < 2% Thermal-Mechanical Specifications Parameters 2 8TQ Units TJ Max. Junction Temperature Range -55 to 175 C Tstg Max. Storage Temperature Range Conditions -55 to 175 C RthJC Max. Thermal Resistance Junction to Case 2.0 C/W DC operation RthCS Typical Thermal Resistance, Case to Heatsink 0.50 C/W Mounting surface , smooth and greased wt Approximate Weight T Mounting Torque 2 (0.07) g (oz.) Min. 6 (5) Max. 12 (10) Kg-cm (Ibf-in) * See Fig. 4 www.irf.com 8TQ... Series Bulletin PD-20238 rev. C 01/01 100 1 0 00 Reverse C urrent - I R (m A) T = 175 C J 150 C 125 C 1 100 C 0.1 75 C 50 C 0.0 1 25 C 0.0 0 1 0.0 001 0 10 20 40 60 80 1 00 T J = 175 C Reverse V oltag e - V R (V ) T J = 125 C Fig. 2 - Typical Values of Reverse Current Vs. Reverse Voltage T J = 25 C 10 0 0 Junction C ap acita nce - C T (p F) In st anta n eou s F orw a rd C urren t - I F (A ) 10 0 10 1 0.1 T = 25 C J 1 00 0 0.2 0 .4 0 .6 0 .8 1 1 .2 1 .4 1 .6 1 .8 2 2.2 0 1 0 2 0 3 0 4 0 5 0 6 0 70 80 9 0 10 0 11 0 Forw a rd V olta ge D rop - V FM (V ) Reverse V olta ge - V R (V ) Fig. 1 - Maximum Forward Voltage Drop Characteristics Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage Th erm al Im pedance Z thJC ( C /W ) 10 1 0 .1 D D D D D = = = = = 0 .7 5 0 .5 0 0 .3 3 0 .2 5 0 .2 0 PD M t1 0 .01 1. D uty factor D = t 1 / t 2 Sin g le P u lse (Th erm a l R esista n c e) 0 .0 0 1 0 .00 0 01 t2 Notes: 0 .00 0 1 0 .0 01 0 .01 2. Peak T J = PD M x Z thJ C + T C 0 .1 1 10 10 0 t 1 , R ec ta n g u la r P ulse Du ra tio n (Se co n d s) Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics www.irf.com 3 8TQ... Series 180 7 175 6 170 A vera ge Pow er Loss - (W atts) A llo w ab le C a se T e m pera ture - ( C ) Bulletin PD-20561 rev. C 01/01 DC 165 160 Square w ave (D = 0.50) 80% Rated V R ap plied 155 150 145 D D D D D 5 = = = = = 0.20 0.25 0.33 0.50 0.75 4 RM S Lim it DC 3 2 1 see note (2) 140 0 0 2 4 6 8 10 12 0 Avera ge Forw ard C urren t - I F(AV ) (A) 2 4 6 8 10 Averag e Forw ard C urren t - I F(AV ) Fig. 5 - Maximum Allowable Case Temperature Vs. Average Forward Current 12 (A) Fig. 6 - Forward Power Loss Characteristics Non-Repetitive Surge C urrent - I FSM (A) 10 0 0 A t A ny Ra ted Loa d C on dition A nd W ith Ra ted V RRM A pp lied Follow in g Surge 1 00 10 100 1 00 0 10 0 00 Squa re W a ve Pulse D ura tion - t p (m icrosec) Fig. 7 - Maximum Non-Repetitive Surge Current L IRFP460 D UT Rg = 25 ohm C UR RE N T M O N ITO R H IG H -SPE ED SW ITC H FREE-W HE EL D IO D E + V d = 25 V olt 40H FL40S02 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 8TQ... Series Bulletin PD-20238 rev. C 01/01 Outline Table 10.54 (0.41) 1.32 (0.05) MAX. 3.78 (0.15) 3.54 (0.14) 1.22 (0.05) DIA. 6.48 (0.25) 6.23 (0.24) 2.92 (0.11) 2.54 (0.10) TERM 2 15.24 (0.60) 14.84 (0.58) 1 2 3 14.09 (0.55) 3.96 (0.16) 13.47 (0.53) 3.55 (0.14) Base Cathode 0.10 (0.004) 2.04 (0.080) MAX. 1.40 (0.05) 2.89 (0.11) 1.15 (0.04) 2.64 (0.10) 0.94 (0.04) 0.69 (0.03) 1 Cathode 1 3 3 Anode 0.61 (0.02) MAX. 4.57 (0.18) 4.32 (0.17) 5.08 (0.20) REF. Conform to JEDEC outline TO-220AC Dimensions in millimeters and (inches) 4.69 (0.18) 4.20 (0.16) 10.16 (0.40) REF. 1.32 (0.05) 1.22 (0.05) 6.47 (0.25) 15.49 (0.61) 93 6.18 (0.24) 14.73 (0.58) 5.28 (0.21) 2.61 (0.10) 4.78 (0.19) 2.32 (0.09) 0.55 (0.02) 8.89 (0.35) 3X Base Cathode REF. 1.40 (0.055) 1.14 (0.045) 2X 2 1 0.46 (0.02) 0.93 (0.37) 4.32 (0.17) 2 8.89 (0.35) 17.78 (0.70) 0.61 (0.02) MAX. 3 Anode N/C 11.43 (0.45) 3 4.57 (0.18) 1 MINIMUM RECOMMENDED FOOTPRINT 0.69 (0.27) 5.08 (0.20) REF. 3.81 (0.15) 2.08 (0.08) 2X 2 Conform to JEDEC outline D Pak (SMD-220) Dimensions in millimeters and (inches) www.irf.com 2.54 (0.10) 2X 5 8TQ... Series Bulletin PD-20561 rev. C 01/01 Ordering Information Table Device Code 8 T Q 100 S 1 2 3 4 5 1 - Essential Part Number 2 - T = TO-220 3 - Q = Schottky Q Series 4 - Voltage Rating - 2 5 S = D Pak 080 = 80V 100 = 100V 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. 01/01 6 www.irf.com