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Bulletin PD-20734 rev. B 08/01
400CMQ... SERIES
SCHOTTKY RECTIFIER 400 Amp
TO-244AB Isolated
Major Ratings and Characteristics Characteristics
IF(AV) Rectangular waveform VRRM range IFSM VF TJ @ tp = 5 s sine @200Apk, TJ=125C (per leg) range
Description/Features
The 400CMQ high current Schottky rectifier module 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, welding, and reverse battery protection. 150 C TJ operation Center tap module - Isolated Base 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
400CMQ... Units
400 35 to 45 29,000 0.52 A V A V
- 55 to 150
C
LUG TERMINAL ANODE 1
COMMON CATHODE
LUG TERMINAL ANODE 3
2
ISOLATED BASE
Modified JEDEC Outline TO-244AB Isolated Dimensions in millimeters and (inches)
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400CMQ... Series
Bulletin PD-20734 rev. B 08/01
Voltage Ratings
Part number
V R Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V)
400CMQ035
35
400CMQ040
40
400CMQ045
45
Absolute Maximum Ratings
Parameters
IF(AV) Max. Average Forward Current IFSM EAS IAR * See Fig. 5 (Per Leg) (PerDevice)
400CMQ Units
200 400 29,000 3400 180 40 A mJ A A
Conditions
50% duty cycle @ TC = 78 C, rectangular wave form Following any rated load condition and with 10ms Sine or 6ms Rect. pulse rated VRRM applied 5s Sine or 3s Rect. pulse TJ = 25 C, IAS = 40 Amps, L = 0.22 mH Current decaying linearly to zero in 1 sec Frequency limited by TJ max. VA = 1.5 x VR typical
Max. Peak One Cycle Non-Repetitive Surge Current (Per Leg) * See Fig. 7 Non-Repetitive Avalanche Energy (Per Leg) Repetitive Avalanche Current (Per Leg)
Electrical Specifications
Parameters
VFM Max. Forward Voltage Drop (Per Leg) * See Fig. 1 (1)
400CMQ Units
0.57 0.73 0.52 0.68 20 800 0.32 0.81 10,300 5.0 10000 1000 V V V V mA mA V m pF @ 200A @ 400A @ 200A @ 400A TJ = 25 C
Conditions
TJ = 25 C TJ = 125 C VR = rated VR
IRM VF(TO) rt CT
Max. Reverse Leakage Current (Per Leg) * See Fig. 2 Threshold Voltage Forward Slope Resistance Max. Junction Capacitance (Per Leg) (1)
TJ = 125 C TJ = TJ max.
VR = 5VDC, (test signal range 100Khz to 1Mhz) 25C
LS Typical Series Inductance (Per Leg) dv/dt Max. Voltage Rate of Change VRMS Insulation Voltage
nH From top of terminal hole to mounting plane V/ s (Rated VR) V
(1) Pulse Width < 300s, Duty Cycle <2%
Thermal-Mechanical Specifications
Parameters
TJ Tstg Max. Junction Temperature Range Max. Storage Temperature Range
400CMQ Units
-55 to 150 -55 to 150 0.4 0.2 0.1 C C
Conditions
RthJC Max. Thermal Resistance Junction to Case (Per Leg) RthJC Max. Thermal Resistance Junction to Case (Per Package) RthCS Typical Thermal Resistance, Case wt T to Heatsink Approximate Weight Mounting Torque Base Mounting Torque Center Hole TerminalTorque Case Style
C/W DC operation C/W DC operation
* See Fig. 4
C/W Mounting surface , smooth and greased
Min. Max. Typ. Min. Max.
79 (2.80) g (oz.) 40(35) 58 (50) Kg-cm 17 (15) (Ibf-in) 58 (50) 86 (75) TO - 244AB isolated Modified JEDEC
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400CMQ... Series
Bulletin PD-20734 rev. B 08/01
1000
10000 1000
Reverse Current - I R (mA)
T J = 150C 125C
100 10 1 0.1 0.01 0 10
100C 75C 50C 25C
Instantaneous Forward Current - I F (A)
100
TJ = 150C TJ = 125C TJ = 25C
20
30
40
50
Reverse Voltage - V R (V) Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage
10000
10
Junction Capacitance - CT (pF)
T = 25C J
1 0 0.3 0.6 0.9 1.2
Forward Voltage Drop - V FM (V) Fig. 1 - Max. Forward Voltage Drop Characteristics
1000 0 10 20 30 40 50 Reverse Voltage - VR (V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage
1
Thermal Impedance Z thJC (C/W)
D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20
0.1
PDM
t1
0.01
Notes:
t2
Single Pulse (Thermal Resistance)
1. Duty factor D = t1 / t2 2. Peak TJ = PDM x ZthJC + T C
0.001 0.00001
0.0001
0.001
0.01
0.1
1
10
100
t 1, Rectangular Pulse Duration (Seconds) Fig. 4 - Max. Thermal Impedance Z thJC Characteristics (Per Leg)
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400CMQ... Series
Bulletin PD-20734 rev. B 08/01
180
Allowable Case Temperature (C)
180
RMS Limit
150
DC
Average Power Loss (Watts)
150 120 90 60 30 0 0 50 100 150 200 250 300 Average Forward Current - I F(AV) (A)
D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 DC
120 90 60 Square wave (D = 0.50)
80% Rated V applied R
30
see note (2)
0 0 100 200 300
Average Forward Current - I F(AV)(A) Fig. 5 - Max. Allowable Case Temperature Vs. Average Forward Current
Non-Repetitive Surge Current - I FSM (A)
Fig. 6 - Forward Power Loss Characteristics
100000
At Any Rated Load Condition And With Rated VRRM Applied Following Surge
10000
1000 10
100
1000
10000
Square Wave Pulse Duration - t p (microsec) Fig. 7 - Max. Non-Repetitive Surge Current
L H IG H -SPE ED SW ITC H FREE-W HE EL D IO D E 40H FL40S02 V d = 25 V olt
D UT
IRFP460 Rg = 25 ohm
+
C UR RE N T M O N ITO R
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
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400CMQ... Series
Bulletin PD-20734 rev. B 08/01
Ordering Information Table
Device Code
400
1
C
2
M
3
Q
4
045
5
1 2 3 4 5
-
Current Rating: 400A Common Cathode Module Schottky Q Series Voltage Rating: 035 = 35V 040 = 40V 045 = 45V
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. 08/01
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