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Bulletin PD-20178 rev. C 07/03
18TQ... 18TQ...S
SCHOTTKY RECTIFIER 18 Amp
IF(AV) = 18Amp VR = 35 to 45V
Major Ratings and Characteristics Characteristics
IF(AV) Rectangular waveform VRRM range IFSM @ tp = 5 s sine VF TJ @ 18 Apk, TJ = 125C range
Description/Features Units
A V A V C The 18TQ Schottky rectifier series has been optimized for low reverse leakage at high temperature. The proprietary barrier technology allows for reliable operation up to 175C junction temperature. Typical applications are in switching power supplies, converters, free-wheeling diodes, and reverse battery protection. High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance Low forward voltage drop High frequency operation Guard ring for enhanced ruggedness and long term reliability 175 C TJ operation
18TQ
18 35 to 45 1800 0.53 - 55 to 175
Case Styles 18TQ... 18TQ... S
Base Cathode
2
Base Cathode
2
1
3
1
3
Cathode
Anode
N/C
Anode
TO-220AC www.irf.com
D2PAK 1
18TQ... Series
Bulletin PD-20178 rev. C 07/03
Voltage Ratings
Part number
VR Max. DC Reverse Voltage (V) 35 40 45 VRWM Max. Working Peak Reverse Voltage (V)
18TQ035
18TQ040
18TQ045
Absolute Maximum Ratings
Parameters
IF(AV) Max. Average Forward Current * See Fig. 5 IFSM EAS IAR Max. Peak One Cycle Non-Repetitive Surge Current * See Fig. 7 Non-Repetitive Avalanche Energy Repetitive Avalanche Current
18TQ
18 1800 390 24 3.6
Units
A
Conditions
50% duty cycle @ TC = 149 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
A mJ A
TJ = 25 C, IAS = 3.6 Amps, L = 3.7 mH Current decaying linearly to zero in 1 sec Frequency limited by TJ max. VA = 1.5 x VR typical
Electrical Specifications
Parameters
VFM Max. Forward Voltage Drop * See Fig. 1 (1)
18TQ
0.60 0.72 0.53 0.67
Units
V V V V mA mA pF nH V/ s @ 18A @ 36A @ 18A @ 36A TJ = 25 C TJ = 125 C
Conditions
TJ = 25 C TJ = 125 C VR = rated VR
IRM CT LS
Max. Reverse Leakage Current (1) * See Fig. 2 Max. Junction Capacitance Typical Series Inductance
2.5 25 1400 8.0 10000
VR = 5VDC, (test signal range 100Khz to 1Mhz) 25 C Measured lead to lead 5mm from package body
dv/dt Max. Voltage Rate of Change (Rated VR)
(1) Pulse Width < 300s, Duty Cycle < 2%
Thermal-Mechanical Specifications
Parameters
TJ Tstg Max. Junction Temperature Range Max. Storage Temperature Range
18TQ
-55 to 175 -55 to 175 1.50 0.50 2 (0.07) Min. Max. 6 (5) 12 (10)
Units
C C C/W C/W DC operation
Conditions
RthJC Max. Thermal Resistance Junction to Case RthCS Typical Thermal Resistance, Case to Heatsink wt T Approximate Weight Mounting Torque
* See Fig. 4
Mounting surface , smooth and greased g (oz.)
Kg-cm (Ibf-in)
2
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18TQ... Series
Bulletin PD-20178 rev. C 07/03
10 00
10 00 10 0 R v rs C rre t - I ( A ee e u n m) R 1 0 1 .1 .0 1 .0 1 0 .0 0 01 0 T =1 5 C 7 J 1 0C 5 1 5C 2 1 0C 0 7 5C 5 0C 2 5C
10 0
In ta ta e u F rw rdC rre t - I (A s n nos o a un ) F
5
11223344 05050505 R v rs V lta e- V (V ee e o g R)
1 0
T =1 5C 7 J T =1 5C 2 J T= 2 5C J
J n tio C p c n e- C (p ) u c n a a ita c F T
Fig. 2 - Typical Values of Reverse Current Vs. Reverse Voltage
100 00
1
T =2 5C J 10 00
.1 0
.2
.4
.6
.8
1
1 .2
1 .4
1 .6
10 0 0
1 0
2 0
3 0
4 0
5 0
F rw rdV lta eD p- V (V oa o g ro ) F M
R v rs V lta e- V (V ee e o g ) R
Fig. 1 - Maximum Forward Voltage Drop Characteristics
1 0 T e a Im e a c - Zth C( /W h rm l p d n e C) J
Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage
1
.1
D=0 0 .5 D=0 3 .3 D=0 5 .2 D=0 7 .1 D=0 8 .0
PM D
t 1 t2 N te : os 1 D tyfa to D= t1/ t2 .u cr 2 P a T =P xZ . ek +T JD M th C C J .0 1 .1 1 1 0 10 0
.0 1 S g P ls in le u e (T e a R s ta c ) h rm l e is n e .0 1 0 .0 0 1 00 .0 0 01 .0 1 0
t , R c n u r P ls D ra n(S c n s e ta g la u e u tio eod) 1
Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics
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3
18TQ... Series
Bulletin PD-20178 rev. C 07/03
10 8 A w b C s T m e a re- ( ) llo a le a e e p r tu C 15 7 10 7 15 6 10 6 15 5 10 5 0 D C 1T 8Q R J (D ) =1 0 C .5 /W th C C
1 5 D=0 8 .0 D=0 7 .1 D=0 5 .2 D=0 3 .3 .5 1 D=0 0 0 R SL it M im 5 D C
A e g P w r L s - (W tts v ra e o e o s a)
4
8
1 2
1 6
2 0
2 4 (A )
2 8
0 0
4
8
1 2
1 6
2 0
2 4 (A )
2 8
A e g F rw rdC rre t - I v ra e o a un
FV (A )
A e g F rw rdC rre t - I v ra e o a un
FV (A )
Fig. 5 - Maximum Allowable Case Temperature Vs. Average Forward Current
10000 (A) At Any Rated Load Condition And With Rated V RRM Applied Following Surge
FSM
Fig. 6 - Forward Power Loss Characteristics
Non-Repetitive Surge Current - I
1000
100 10
100
1000
10000
Square Wave Pulse Duration - t p (microsec)
Fig. 7 - Maximum Non-Repetitive Surge Current
L HIGH-S PEED S CH WIT F REE-WHEEL DIODE 40HF 40S L 02
+
DUT
IR P460 F R = 25 ohm g
Vd = 25 Volt
CURRENT MONIT OR
Fig. 8 - Unclamped Inductive Test Circuit
4
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18TQ... Series
Bulletin PD-20178 rev. C 07/03
Outline Table
10.54 (0.41) MAX. 3.78 (0.15) 3.54 (0.14) 15.24 (0.60) 14.84 (0.58) 1 14.09 (0.55) 13.47 (0.53) 3 3.96 (0.16) 3.55 (0.14) 2.04 (0.080) MAX. 1.40 (0.05) 1.15 (0.04) 0.94 (0.04) 0.69 (0.03)
1 3
1.32 (0.05) DIA. 6.48 (0.25) 6.23 (0.24) 2 1.22 (0.05)
2.92 (0.11) 2.54 (0.10) TERM 2
0.10 (0.004)
Base Cathode
2.89 (0.11) 2.64 (0.10)
1 4.57 (0.18) 4.32 (0.17)
3
0.61 (0.02) MAX.
Cathode
Anode
5.08 (0.20) REF.
Conform to JEDEC outline TO-220AC Dimensions in millimeters and (inches)
10.16 (0.40) REF.
4.69 (0.18) 4.20 (0.16)
1.32 (0.05)
6.47 (0.25)
15.49 (0.61)
1.22 (0.05)
93
6.18 (0.24)
14.73 (0.58)
2.61 (0.10)
2.32 (0.09) 8.89 (0.35)
5.28 (0.21) 4.78 (0.19)
0.55 (0.02) 0.46 (0.02)
3X
1.40 (0.055)
REF.
0.93 (0.37) 0.69 (0.27)
1.14 (0.045) 2X
Base Cathode
2
MINIMUM RECOMMENDED FOOTPRINT
11.43 (0.45)
1
3
4.57 (0.18)
4.32 (0.17)
2 0.61 (0.02) MAX. 5.08 (0.20) REF.
8.89 (0.35)
17.78 (0.70) 3.81 (0.15)
2.08 (0.08) 2X
1
3
N/C
Anode
2.54 (0.10) 2X
Conform to JEDEC outline D Pak (SMD-220) Dimensions in millimeters and (inches)
2
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5
18TQ... Series
Bulletin PD-20178 rev. C 07/03
Marking Information
THIS IS A 18TQ045-S LOT CODE 8024 ASSEMBLED ON WW 02, 2000 IN THE ASSEMBLY LINE "L"
INTERNATIONAL RECTIFIER LOGO ASSEMBLY LOT CODE
PART NUMBER 18TQ045S DATE CODE YEAR 0 = 2000 WEEK 02 LINE L
Tape & Reel Information
TRR
1.60 (0.063) 1.50 (0.059)
4.10 (0.161) 3.90 (0.153) FEED DIRECTION
1.60 (0.063) 1.50 (0.059)
DIA. 0.368 (0.0145) 0.342 (0.0135)
1.85 (0.073) 1.65 (0.065)
11.60 (0.457) 11.40 (0.449)
15.42 (0.609) 15.22 (0.601) 1.75 (0.069)
24.30 (0.957) 23.90 (0.941)
TRL
10.90 (0.429) 10.70 (0.421)
1.25 (0.049) 16.10 (0.634) 15.90 (0.626)
DIA.
4.72 (0.186) 4.52 (0.178)
FEED DIRECTION
13.50 (0.532) 12.80 (0.504) DIA.
26.40 (1.039) 24.40 (0.961)
360 (14.173) DIA. MAX.
60 (2.362) DIA. MIN.
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 T RR.
Dimensions in millimeters and (inches)
6
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18TQ... Series
Bulletin PD-20178 rev. C 07/03
Ordering Information Table
Device Code
18
1 1 2 3 4 5 -
T
2
Q
3
045
4
S
5
Essential Part Number T = TO-220 Q = Schottky Q Series Voltage Rating S = D2Pak 035 = 35V 040 = 40V 045 = 45V
18TQ045 ******************************************** * This model has been developed by * * Wizard SPICE MODEL GENERATOR (1999) * * (International Rectifier Corporation) * * Contains Proprietary Information * ******************************************** * SPICE Model Diode is composed by a * * simple diode plus paralled VCG2T * ******************************************** .SUBCKT 18TQ045 ANO CAT D1 ANO 1 DMOD (0.10899) *Define diode model .MODEL DMOD D(IS=4.49213078685186E-05A,N=1.23149728754907,BV=52V, + IBV=9.03115410463162E-02A,RS= 0.000664839,CJO=2.73074429693125E-08, + VJ=0.881972575936711,XTI=2, EG=0.789061316955255) ******************************************** *Implementation of VCG2T VX 1 2 DC 0V R1 2 CAT TRES 1E-6 .MODEL TRES RES(R=1,TC1=18.1199792035774) GP1 ANO CAT VALUE={-ABS(I(VX))*(EXP((((-3.316412E-03/18.11998)*((V(2,CAT)*1E6)/(I(VX)+1E-6)1))+1)*6.806625E-02*ABS(V(ANO,CAT)))-1)} ******************************************** .ENDS 18TQ045 Thermal Model Subcircuit .SUBCKT 18TQ045 5 1 CTHERM1 CTHERM2 CTHERM3 CTHERM4 RTHERM1 RTHERM2 RTHERM1 RTHERM1 .ENDS 18TQ045 5 4 3 2 5 4 3 2 4 3 2 1 4 3 2 1 6.49E-01 3.46E+00 1.63E+01 3.01E+02 6.77E-01 5.70E-01 2.05E-01 3.44E-02
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7
18TQ... Series
Bulletin PD-20178 rev. C 07/03
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. 07/03
8
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