Schottky Rectifier, 2 x 8 A 6CTQ...PbF Series Vishay High Power Products TO-220AB PRODUCT SUMMARY I F(AV) V R Base 2 common cathode Anode 2 Anode Common 3 cathode 2 x 8 A 60 to 00 V FEATURES 75 C operation Center tap configuration Low forward voltage drop High frequency operation Pb-free Available RoHS* COMPLIANT High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance Guard ring for enhanced ruggedness and long term reliability Lead (Pb)-free ( PbF suffix) Designed and qualified for industrial level DESCRIPTION This center tap Schottky rectifier series has been optimized for low reverse leakage at high temperature. The proprietary barrier technology allows for reliable operation up to 75 C junction temperature. Typical applications are in switching power supplies, converters, freewheeling diodes, and reverse battery protection. MAJOR RATINGS AND CHARACTERISTICS SYMBOL CHARACTERISTICS VALUES UNITS I F(AV) Rectangular waveform 6 A V RRM 60 to 00 V I FSM t p = 5 µs sine 850 A V F 8 Apk, = 25 C (per leg) 0.58 V Range - 55 to 75 C VOLTAGE RATINGS PARAMETER SYMBOL 6CTQ060PbF 6CTQ080PbF 6CTQ00PbF UNITS Maximum DC reverse voltage V R Maximum working peak reverse voltage V RWM 60 80 00 V ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS Maximum average per leg 8 forward current I F(AV) 50 % duty cycle at T C = 48 C, rectangular waveform A See fig. 5 per device 6 Maximum peak one cycle non-repetitive 5 µs sine or 3 µs rect. pulse Following any rated load 850 surge current per leg I FSM condition and with rated A See fig. 7 0 ms sine or 6 ms rect. pulse V RRM applied 275 Non-repetitive avalanche energy per leg E AS = 25 C, I AS = 0.50 A, L = 60 mh 7.50 mj Current decaying linearly to zero in µs Repetitive avalanche current per leg I AR 0.50 A Frequency limited by maximum V A =.5 x V R typical * Pb containing terminations are not RoHS compliant, exemptions may apply Document Number: 9446 For technical questions, contact: diodes-tech@vishay.com www.vishay.com Revision: 3-Aug-08
6CTQ...PbF Series Vishay High Power Products Schottky Rectifier, 2 x 8 A ELECTRICAL SPECIFICATIONS PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS 8 A 0.72 = 25 C Maximum forward voltage drop per leg 6 A 0.88 V () FM See fig. 8 A 0.58 = 25 C 6 A 0.69 V Maximum reverse leakage current per leg = 25 C 0.55 I RM See fig. 2 V R = rated V R = 25 C 7.0 ma Threshold voltage V F(TO) 0.45 V = maximum Forward slope resistance r t.07 mω Maximum junction capacitance per leg C T V R = 5 V DC (test signal range 00 khz to MHz) 25 C 500 pf Typical series inductance per leg L S Measured lead to lead 5 mm from package body 8.0 nh Maximum voltage rate of change dv/dt Rated V R 0 000 V/µs Note () Pulse width < 300 µs, duty cycle < 2 % THERMAL - MECHANICAL SPECIFICATIONS PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS Maximum junction and storage temperature range, T Stg - 55 to 75 C Maximum thermal resistance, R thjc 3.25 junction to case per leg DC operation Maximum thermal resistance R thjc.63 junction to case per package C/W Typical thermal resistance, case to heatsink R thcs Mounting surface, smooth and greased 0.50 Approximate weight 2 g 0.07 oz. minimum 6 (5) kgf cm Mounting torque maximum 2 (0) (lbf in) Marking device Case style TO-220AB 6CTQ00 www.vishay.com For technical questions, contact: diodes-tech@vishay.com Document Number: 9446 2 Revision: 3-Aug-08
Schottky Rectifier, 2 x 8 A 6CTQ...PbF Series Vishay High Power Products I F - Instantaneous Forward Current (A) 000 00 0 = 75 C = 25 C = 25 C 0 0.5.0.5 2.0 2.5 I R - Reverse Current (ma) 00 0 0. 0.0 0.00 0.000 0 = 75 C = 50 C = 25 C = 00 C = 75 C = 50 C = 25 C 20 40 60 80 00 V FM - Forward Voltage Drop (V) V R - Reverse Voltage (V) Fig. - Maximum Forward Voltage Drop Characteristics (Per Leg) Fig. 2 - Typical Values of Reverse Current vs. Reverse Voltage (Per Leg) 000 C T - Junction Capacitance (pf) = 25 C 00 0 20 40 60 80 00 V R - Reverse Voltage (V) Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage (Per Leg) 0 Z thjc - Thermal Impedance ( C/W) 0. Single pulse (thermal resistance) D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20 0.0 0.0000 0.000 0.00 0.0 0. 0 t - Rectangular Pulse Duration (s) Fig. 4 - Maximum Thermal Impedance Z thjc Characteristics (Per Leg) Document Number: 9446 For technical questions, contact: diodes-tech@vishay.com www.vishay.com Revision: 3-Aug-08 3
6CTQ...PbF Series Vishay High Power Products Schottky Rectifier, 2 x 8 A 80 7 Allowable Case Temperature ( C) 70 60 50 40 30 20 0 Square wave (D = 0.50) 80 % rated V R applied See note () DC 00 0 2 4 6 8 0 2 4 Average Power Loss (W) 6 5 4 3 2 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 DC RMS limit 0 0 2 4 6 8 0 2 I F(AV) - Average Forward Current (A) I F(AV) - Average Forward Current (A) Fig. 5 - Maximum Allowable Case Temperature vs. Average Forward Current (Per Leg) Fig. 6 - Forward Power Loss Characteristics (Per Leg) I FSM - Non-Repetitive Surge Current (A) 000 00 0 At any rated load condition and with rated V RRM applied following surge 00 000 t p - Square Wave Pulse Duration (µs) 0 000 Fig. 7 - Maximum Non-Repetitive Surge Current (Per Leg) L D.U.T. IRFP460 High-speed switch Current monitor R g = 25 Ω Freewheel diode 40HFL40S02 + V d = 25 V Fig. 8 - Unclamped Inductive Test Circuit Note () Formula used: T C = - (Pd + Pd REV ) x R thjc ; Pd = Forward power loss = I F(AV) x V FM at (I F(AV) /D) (see fig. 6); Pd REV = Inverse power loss = V R x I R ( - D); I R at V R = 80 % rated V R applied www.vishay.com For technical questions, contact: diodes-tech@vishay.com Document Number: 9446 4 Revision: 3-Aug-08
Schottky Rectifier, 2 x 8 A 6CTQ...PbF Series Vishay High Power Products ORDERING INFORMATION TABLE Device code 6 C T Q 00 PbF 2 3 4 5 6 - Current rating (6 = 6 A) 2 - Circuit configuration C = Common cathode 3 - Package T = TO-220 4 - Schottky Q series 5 - Voltage ratings 6 - None = Standard production PbF = Lead (Pb)-free Tube standard pack quantity: 50 pieces 060 = 60 V 080 = 80 V 00 = 00 V Dimensions Part marking information SPICE model LINKS TO RELATED DOCUMENTS http://www.vishay.com/doc?95222 http://www.vishay.com/doc?95225 http://www.vishay.com/doc?95279 Document Number: 9446 For technical questions, contact: diodes-tech@vishay.com www.vishay.com Revision: 3-Aug-08 5
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