Bulletin PD-20554 rev. B 07/01 12CTQ... 12CTQ...S 12CTQ... -1 SCHOTTKY RECTIFIER 12 Amp IF(AV) = 12Amp VR = 35 to 45V Major Ratings and Characteristics Description/ Features The 12CTQ 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 175° C junction temperature. Typical applications are in switching power supplies, converters, free-wheeling diodes, and reverse battery protection. Characteristics 12CTQ Units IF(AV) Rectangular 12 A 35 to 45 V IFSM @ tp = 5 µs sine 690 A Center tap TO-220 package Low forward voltage drop VF @ 6 Apk, TJ = 125°C (per leg) 0.53 V High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance TJ range - 55 to 175 °C High frequency operation Guard ring for enhanced ruggedness and long term reliability waveform VRRM range 175° C TJ operation Case Styles 12CTQ... 12CTQ... S Base Common Cathode Base Common Cathode 2 1 Anode 2 Common Cathode TO-220 www.irf.com 12CTQ... -1 Base Common Cathode 2 3 Anode 1 Anode 2 Common Cathode 2 D PAK 2 3 Anode 1 Anode 2 Common Cathode 3 Anode TO-262 1 12CTQ... Series Bulletin PD-20554 rev. B 07/01 Voltage Ratings Part number VR 12CTQ035 12CTQ040 12CTQ045 35 40 45 Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V) Absolute Maximum Ratings Parameters IF(AV) Max. Average Forward Current IFSM * See Fig. 5 12CTQ Units (Per Leg) 6 (Per Device) 12 Max. Peak One Cycle Non-Repetitive 690 Surge Current (Per Leg) * See Fig. 7 140 EAS Non-Repetitive Avalanche Energy (Per Leg) IAR Repetitive Avalanche Current (Per Leg) Conditions A 50% duty cycle @ TC = 160°C, rectangular wave form A Following any rated load condition and with 10ms Sine or 6ms Rect. pulse rated VRRM applied 8 mJ 1.20 A 5µs Sine or 3µs Rect. pulse TJ = 25 °C, IAS = 1.20 Amps, L = 11.10 mH Current decaying linearly to zero in 1 µsec Frequency limited by TJ max. VA = 1.5 x VR typical Electrical Specifications Parameters VFM IRM 12CTQ Units Max. Forward Voltage Drop (Per Leg) * See Fig. 1 (1) Conditions 0.60 0.73 0.53 V V V @ 6A @ 12A @ 6A 0.64 V @ 12A Max. Reverse Leakage Current 0.8 mA TJ = 25 °C (Per Leg) * See Fig. 2 7.0 mA TJ = 125 °C 0.35 V TJ = TJ max. 18.23 mΩ (1) VF(TO) Threshold Voltage TJ = 25 °C TJ = 125 °C VR = rated VR rt Forward Slope Resistance CT Max. Junction Capacitance (Per Leg) 400 pF VR = 5VDC, (test signal range 100Khz to 1Mhz) 25°C LS Typical Series Inductance (Per Leg) 8.0 nH Measured lead to lead 5mm from package body 10,000 V/ µs dv/dt Max. Voltage Rate of Change (Rated VR) (1) Pulse Width < 300µs, Duty Cycle <2% Thermal-Mechanical Specifications Parameters 12CTQ Units TJ Max. Junction Temperature Range -55 to 175 °C Tstg Max. Storage Temperature Range -55 to 175 °C Conditions RthJC Max. Thermal Resistance Junction to Case (Per Leg) 3.50 °C/W DC operation RthJC Max. Thermal Resistance Junction to Case (Per Package) 1.75 °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 2 (0.07) g (oz.) Min. 6 (5) Max. 12 (10) Kg-cm (Ibf-in) * See Fig. 4 www.irf.com 12CTQ... Series Bulletin PD-20554 rev. B 07/01 10 0 100 Rev erse C urre nt - I 150 C 125 C 1 100 C 0.1 75 C 0 .01 50 C 25 C 0.0 01 0 .00 0 1 0 5 10 15 20 25 30 35 40 45 Reverse V olta ge - V R (V ) 10 Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage (Per Leg) 10 0 0 Tj = 25˚C T Tj = 125˚C (p F) Tj = 175˚C Junc tion C apa c itan ce - C Instantaneous Forward Current - IF (A) R (m A ) T J= 175 C 10 T J= 25 C 1 00 1 0.2 0.4 0.6 0.8 1 1.2 1.4 Forward Voltage Drop - VFM (V) 0 1.6 10 20 30 40 50 Reverse V olta ge - V R (V ) Fig. 1 - Max. Forward Voltage Drop Characteristics (Per Leg) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage (Per Leg) T he rm a l Im ped an ce Z thJ C ( C /W ) 10 1 0.1 D D D D D 0.0 1 = = = = = 0.75 0.50 0.33 0.25 0.20 PD M t1 Sin gle P ulse (Therm a l Resistanc e) t2 Notes: 1. D uty factor D = t 11/ t 2 2. Peak TJ = PD M x Z thJC+ T C 0.0 01 0.0 00 0 1 0.0 00 1 0 .0 0 1 0.0 1 0 .1 1 10 100 t 1 , R ectangula r Pulse Dura tion (Sec onds) Fig. 4 - Max. Thermal Impedance ZthJC Characteristics (Per Leg) www.irf.com 3 12CTQ... Series Bulletin PD-20554 rev. B 07/01 5 D D D D D 4 .5 Ave ra ge P ow er Loss - (W atts) A llow ab le C a se Tem p e ra ture - ( C ) 17 5 17 0 16 5 DC 16 0 Sq ua re wa ve (D = 0.50) 80% Ra ted V a p p lied R 15 5 4 3 .5 = = = = = 0.20 0.25 0.33 0.50 0.75 3 RM S Lim it 2 .5 DC 2 1 .5 1 0 .5 see note (2) 15 0 0 0 2 4 6 8 10 0 A vera ge Forw ard C urrent - I F(AV) (A ) Fig. 5 - Max. Allowable Case Temperature Vs. Average Forward Current (Per Leg) N on-Rep etitive Surg e C urrent - I FSM (A) 2 4 6 8 10 A vera ge Forw ard C urren t - I F(AV) (A) Fig. 6 - Forward Power Loss Characteristics (Per Leg) 10 0 0 At An y Rated Load C ond ition An d W ith Rated V RRM A pp lied Follow in g Surg e 1 00 10 100 1 00 0 10 0 00 Sq uare W ave Pulse D uration - t p (m icrosec) Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg) 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 12CTQ... Series Bulletin PD-20554 rev. B 07/01 Outline Table 10.54 (0.41) MAX. 3.78 (0.15) 3.54 (0.14) 1.32 (0.05) 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) Base Common Cathode 2 2° 1 2 3 14.09 (0.55) 3.96 (0.16) 13.47 (0.53) 3.55 (0.14) 0.10 (0.004) 1 2.04 (0.080) MAX. Anode 1.40 (0.05) 2 Common Cathode 3 Anode 2.89 (0.11) 1.15 (0.04) 2.64 (0.10) 0.94 (0.04) 0.69 (0.03) 1 2 3 0.61 (0.02) MAX. 4.57 (0.18) 4.32 (0.17) Conform to JEDEC outline TO-220AB Dimensions in millimeters and (inches) 5.08 (0.20) REF. 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 REF. 1.40 (0.055) 1.14 (0.045) 2X Base Common Cathode 2 1 0.46 (0.02) 0.93 (0.37) MINIMUM RECOMMENDED FOOTPRINT 0.69 (0.27) 11.43 (0.45) 3 4.57 (0.18) 4.32 (0.17) 2 1 Anode 2 Common Cathode 8.89 (0.35) 17.78 (0.70) 0.61 (0.02) MAX. 5.08 (0.20) REF. 3.81 (0.15) 3 Anode 2.08 (0.08) 2X 2.54 (0.10) 2X 2 Conform to JEDEC outline D Pak (SMD-220) Dimensions in millimeters and (inches) www.irf.com 5 12CTQ... Series Bulletin PD-20554 rev. B 07/01 Outline Table Modified JEDEC outline TO-262 Dimensions in millimeters and (inches) Base Common Cathode 2 1 Anode 2 Common Cathode 3 Anode Marking Information EXAMPLE: THIS IS A 12CTQ040-1 LOT CODE 1789 ASSEMBLED ON WW 19, 1999 IN THE ASSEMBLY LINE "C" INTERNATIONAL RECTIFIER LOGO ASSEMBLY LOT CODE 6 PART NUMBER DATE CODE YEAR 9 = 1999 WEEK 19 LINE C www.irf.com 12CTQ... Series Bulletin PD-20554 rev. B 07/01 Tape & Reel Information TRR 1.60 (0.063) 1.50 (0.059) 4.10 (0.161) 3.90 (0.153) FEED DIR ECTION 1.60 (0.063) 1.50 (0.059) 1.85 (0.073) DIA. 0.368 (0.0145) 0.342 (0.0135) 11.60 (0.457) 1.65 (0.065) 11.40 (0.449) 15.42 (0.609) 15.22 (0.601) TRL 1.75 (0.069) 10.90 (0.429) 1.25 (0.049) 10.70 (0.421) 24.30 (0.957) 23.90 (0.941) DIA. 4.72 (0.186) 16.10 (0.634) 4.52 (0.178) 15.90 (0.626) FEED DIRECTION 13.50 (0.532) 26.40 (1.039) 12.80 (0.504) DIA. 24.40 (0.961) SMD-220 Tape & Reel When ordering, indicate the part number, part orientation, and the quantity. Quantities are in multiples of 800 pieces per reel for both TRL and TRR. 60 (2.362) 360 (14.173) D IA . MIN . DIA. MAX. Dimensions in millimeters and (inches) Ordering Information Table Device Code www.irf.com 12 C T Q 045 -1 1 2 3 4 5 6 1 - Essential Part Number 2 - Common Cathode 3 - T = TO-220 4 - Q = Schottky Q Series 035 = 35V 5 - Voltage Rating 040 = 40V 6 - S = D2Pak 045 = 45V 6 - -1 = TO-262 7 12CTQ... Series Bulletin PD-20554 rev. B 07/01 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. 07/01 8 www.irf.com