Bulletin PD-20242 rev. B 07/03
A
A
A
25CTQ...
25CTQ...S
25CTQ.. -1
SCHOTTKY RECTIFIER
Major Ratings and Characteristics Description/ Features
Characteristics 25CTQ Units
I
Rectangular 30 A
F(AV)
waveform
V
range 35 to 45 V
RRM
I
@ tp = 5 µs sine 990 A
FSM
VF@ 15 Apk, TJ=125°C 0.50 V
(per leg)
TJrange - 55 to 150 °C
The 25CTQ center tap Schottky rectifier series has been
optimized for very low forward voltage drop, with moderate
leakage. The proprietary barrier technology allows for
reliable operation up to 150° C junction temperature. Typical
applications are in switching power supplies, converters,
free-wheeling diodes, and reverse battery protection.
150° C TJ operation
Center tap TO-220 package
High purity, high temperature epoxy encapsulation for
enhanced mechanical strength and moisture resistance
Very low forward voltage drop
High frequency operation
Guard ring for enhanced ruggedness and long term
reliability
Case Styles
30 Amp
I
= 30Amp
F(AV)
VR = 35 to 45V
25CTQ... 25CTQ... S 25CTQ... -1
Base
Common
Cathode
2
2
1
Common
3
Cathode
node
Anode
TO-220 D
node
1
Base
Common
Cathode
Common
Cathode
2
PAK
Base
Common
node
Cathode
2
2
1
Common
3
Cathode
Anode
2
2
3
Anode
TO-262
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25CTQ... Series
Bulletin PD-20242 rev. B 07/03
Voltage Ratings
Part number 25CTQ035 25CTQ040 25CTQ045
VRMax. DC Reverse Voltage (V)
V
Max. Working Peak Reverse Voltage (V)
RWM
35 40 45
Absolute Maximum Ratings
Parameters 25CTQ Units Conditions
I
Max. Average Forward Current 3 0 A 50% duty cycle @ TC = 102 °C, rectangular wave form
F(AV)
* See Fig. 5
I
Max. Peak One Cycle Non-Repetitive 9 90 5µs Sine or 3µs Rect. pulse
FSM
Surge Current (Per Leg) * See Fig. 7 250 10ms Sine or 6ms Rect. pulse
EASNon-Repetitive Avalanche Energy 20 mJ T
(Per Leg)
I
Repetitive Avalanche Current 3 A Current decaying linearly to zero in 1 µsec
AR
(Per Leg) Frequency limited by TJ max. VA = 1.5 x VR typical
A
= 25 °C, I
J
= 3 Amps, L = 4.40 mH
AS
Following any rated
load condition and with
rated V
RRM
applied
Electrical Specifications
Parameters 25CTQ Units Conditions
VFMMax. Forward Voltage Drop 0.56 V @ 15A
(Per Leg) * See Fig. 1 (1) 0.71 V @ 30A
0.50 V @ 15A
0.64 V @ 30A
IRMMax. Reverse Leakage Current 1.75 mA TJ = 25 °C
(Per Leg) * See Fig. 2 (1) 70 mA TJ = 125 °C
CTMax. Junction Capacitance (Per Leg) 900 pF VR = 5VDC (test signal range 100Khz to 1Mhz) 25°C
LSTypical Series Inductance (Per Leg) 8.0 nH Measured lead to lead 5mm from package body
dv/dt Max. Voltage Rate of Change 10000 V/ µs
(Rated VR)
TJ = 25 °C
TJ = 125 °C
VR = rated V
(1) Pulse Width < 300µs, Duty Cycle <2%
R
Thermal-Mechanical Specifications
Parameters 25CTQ Units Conditions
TJMax. Junction Temperature Range -55 to 150 °C
T
Max. Storage Temperature Range -55 to 150 °C
stg
R
Max. Thermal Resistance Junction 3.25 °C/W DC operation * See Fig. 4
thJC
to Case (Per Leg)
R
Max. Thermal Resistance Junction 1.63 °C/W DC operation
thJC
to Case (Per Package)
R
Typical Thermal Resistance, Case 0.50 °C/W Mounting surface , smooth and greased
thCS
to Heatsink
wt Approximate Weight 2.0 (0.07) g (oz.)
T Mounting Torque Min. 6 (5)
Max. 12 (10)
2
Kg-cm
(Ibf-in)
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25CTQ... Series
Bulletin PD-20242 rev. B 07/03
1000
100
F
10
1000
T = 150°C
J
100
10
R
1
.1
Rever se Cur rent - I (mA)
.01
.001
125°C
100°C
75°C
50°C
25°C
0 5 10 15 20 25 30 35 40 45
Rever se Voltage - V (V)
Fig. 2 - Typical Values Of Reverse Current
R
Vs. Reverse Voltage (Per Leg)
T = 150°C
J
T = 125°C
J
Inst antaneous Forward Current - I (A)
1
T = 25°C
J
1000
T
T = 25°C
J
Junct ion Capacit ance - C (pF)
.1
0.2.4.6.811.21.41.61.82
Fig. 1 - Max. Forward Voltage Drop Characteristics
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100
0 1020304050
Forward Voltage Drop - V (V)
FM
Reverse Voltage - V (V)
Fig. 3 - Typical Junction Capacitance
(Per Leg)
10
D = 0. 50
D = 0. 33
1
D = 0. 25
thJC
Ther mal I mpedance - Z (°C/W)
D = 0.17
D = 0. 08
.1
.01
Si ngle Pul se
(Thermal Resist ance)
.001
.00001 . 0001 .001 .01 .1 1 10 100
t , Rect angul ar Pulse Durat io n (Seconds)
1
Fig. 4 - Max. Thermal Impedance Z
thJC
Not es :
1. Duty factor D = t / t
2. Peak T = P x Z + T
Characteristics (Per Leg)
Vs. Reverse Voltage (Per Leg)
P
DM
t
1
t
2
1
JDMthJCC
R
2
3
25CTQ... Series
5
Bulletin PD-20242 rev. B 07/03
160
150
140
130
120
110
Allowable Case Temper ature - (°C)
100
0 5 10 15 20 2
Aver age For war d Current - I (A)
25CTQ
R (DC) = 3.25°C/W
thJC
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current (Per Leg)
DC
FSM
F( AV)
1000
At Any Rated Load Condition
And With Rated V Applied
Following Surge
RRM
12
D = 0. 08
D = 0. 17
10
D = 0. 25
D = 0. 33
D = 0. 50
8
6
RMS Li mit
4
2
Average Power Loss - (Watt s)
0
0 2 4 6 8 10 12 14 16 18 20 22
Average Forward Current - I (A)
DC
Fig. 6 - Forward Power Loss Characteristics
(Per Leg)
F( AV)
Non-Repetitive Surge Current - I (A)
100
10 100 1000 10000
Square Wave Pulse Duration - t (microsec)
p
Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg)
L
HI G H- SPEED
SWITC H
FREE- W H EEL
DIODE
40HFL40S02
Vd = 25 Volt
+
C U RREN T
MONITOR
DUT
IRFP460
Rg = 25 ohm
Fig. 8 - Unclamped Inductive Test Circuit
4
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Outline Table
A
A
25CTQ... Series
Bulletin PD-20242 rev. B 07/03
4.57 (0.18)
4.32 (0.17)
BASE
COMMON
CATHODE
2
15.24 (0.60)
14.84 (0.58)
14.09 (0.55)
13.47 (0.53)
1.40 (0.05)
1.15 (0.04)
15.49 (0.61)
14.73 (0.58)
10.54 (0.41)
MAX.
1
1
1.40 (0.055)
3X
1.14 (0.045)
2
2
93°
3
3
10.16 (0.40)
3.78 (0.15)
3.54 (0.14)
2.92 (0.11)
2.54 (0.10)
TERM 2
3.96 (0.16)
3.55 (0.14)
2.04 (0.080) MAX.
0.94 (0.04)
0.69 (0.03)
0.61 (0.02) MAX.
5.08 (0.20) REF.
REF.
2.61 (0.10)
2.32 (0.09)
8.89 (0.35)
REF .
0.93 (0.37)
2X
0.69 (0.27)
DIA.
6.47 (0.25)
6.18 (0.24)
1.32 (0.05)
1.22 (0.05)
6.48 (0.25)
6.23 (0.24)
2°
0.10 (0.004)
NODE
2.89 (0.11)
2.64 (0.10)
Conform to JEDEC outline TO-220AB
Dimensions in millimeters and (inches)
4.69 (0.18)
4.20 (0.16)
1.32 (0.05)
1.22 (0.05)
5.28 (0.21)
4.78 (0.19)
0.55 (0.02)
0.46 (0.02)
MINIMUM R ECOMMEN DED FOOTPR INT
11.43 (0.45)
BASE
COMMON
CATHODE
2
123
COMMON
ANODE
CATHODE
12
123
COMMON
NODE
12
CATHODE
ANODE
Conform to JEDEC outline D2Pak (SMD-220)
Dimensions in millimeters and (inches)
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13
2
4.57 (0.18)
4.32 (0.17)
0.61 (0.02) MAX.
5.08 (0.20) REF.
8.89 (0.35)
3.81 (0.15)
2.08 (0.08)
2X
17.78 (0.70)
2.54 (0.10)
2X
5
25CTQ... Series
A
Bulletin PD-20242 rev. B 07/03
Outline Table
Modified JEDEC outline TO-262
Dimensions in millimeters and (inches)
BASE
COMMON
CATHODE
2
Marking Information
EXAMPLE: THIS IS A 25C TQ045
LOT CODE 1789
ASSEMBLED ON WW 19, 1998
IN THE ASSEMBLY LINE "C"
INTERNATIONAL
RECTIFIER
LOGO
ASSEMBLY
LOT CODE
123
COMMON
NODE
12
CATHODE
ANODE
PART NUMBER
DATE CODE
YEAR 7 = 1998
WEEK 19
LINE C
6
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Tape & Reel Information
TRR
FEED D IR ECTION
TRL
FEED DIRECTION
1.85 (0.073)
1.65 (0.065)
4.10 (0.161)
3.90 (0.153)
10.90 (0.429)
10.70 (0.421)
1.60 (0.063)
1.50 (0.059)
1.60 (0.063 )
1.50 (0.059 )
11.60 (0.457)
11.40 (0.449)
1.75 (0.069)
1.25 (0.049)
16.10 (0.634)
15.90 (0.626)
DIA.
DIA.
25CTQ... Series
Bulletin PD-20242 rev. B 07/03
0.368 (0.0145)
0.342 (0.0135)
15.42 (0.609)
15.22 (0.601)
24.30 (0 .957)
23.90 (0 .941)
4.72 (0.186)
4.52 (0.178)
360 (1 4.173)
DIA. MAX.
13.50 (0.532)
12.80 (0.504)
DIA.
Ordering Information Table
Device Code
26.40 (1.039)
24.40 (0.961)
60 (2.362)
DIA . MIN.
25 C T Q 045 -1
1 5243
1 - Essential Part Number
2 - Common Cathode
3 - T = TO-220
4 - Q = Schottky Q Series
5 - Voltage Rating
6 -S=D2Pak
6 - -1 = TO-262
SMD-220 Tap e & Ree l
When o rdering, indicate the pa rt
num ber, part orie ntation, an d the
quantity. Quantities are in multiples
of 800 p ieces p er reel fo r bo th
TRL and TRR .
Dimensions in millimeters and (inches)
6
035 = 35V
040 = 40V
045 = 45V
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7
25CTQ... Series
Bulletin PD-20242 rev. B 07/03
25CTQ045
********************************************
* This model has been developed by *
* Wizard SPICE MODEL GENERATOR (1999) *
* (International Rectifier Corporation *
* Contain Proprietary Information *
********************************************
* SPICE Model Diode is composed by a *
* simple diode plus paralled VCG2T *
********************************************
.SUBCKT 25CTQ045 ANO CAT
D1 ANO 1 DMOD (0.07089)
*Define diode model
.MODEL DMOD D(IS=1.72789623043916E-04A,N=1.16449261507669,BV=52V,
+ IBV=0.347382965330896A,RS= 0.000623832,CJO=2.01681525450576E-08,
+ VJ=1.79426113441105,XTI=2, EG=0.778356513713514)
********************************************
*Implementation of VCG2T
VX 1 2 DC 0V
R1 2 CAT TRES 1E-6
.MODEL TRES RES(R=1,TC1=30.866905105089)
GP1 ANO CAT VALUE={-ABS(I(VX))*(EXP((((-2.873853E-03/30.86691)*((V(2,CAT)*1E6)/(I(VX)+1E-6)-
1))+1)*5.486216E-02*ABS(V(ANO,CAT)))-1)}
********************************************
.ENDS 25CTQ045
Thermal Model Subcircuit
.SUBCKT 25CTQ045 5 1
CTHERM1 5 4 4.04E-01
CTHERM2 4 3 2.01E+00
CTHERM3 3 2 8.32E+00
CTHERM4 2 1 3.80E+02
RTHERM1 5 4 1.62E+00
RTHERM2 4 3 1.22E+00
RTHERM1 3 2 3.50E-01
RTHERM1 2 1 4.34E-02
.ENDS 25CTQ045
This product has been designed and qualified for Industrial Level.
IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105
Data and specifications subject to change without notice.
Qualification Standards can be found on IR's Web site.
TAC Fax: (310) 252-7309
Visit us at www.irf.com for sales contact information. 07/03
8
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