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Bulletin PD-2.263 rev. D 07/01
401CNQ... SERIES
SCHOTTKY RECTIFIER 400 Amp
TO-244AB
Major Ratings and Characteristics Characteristics
IF(AV) Rectangular waveform VRRM range IFSM VF TJ @ tp = 5 s sine @200 Apk, TJ= 125C (per leg) range
Description/Features
The 401CNQ center tap Schottky rectifier module 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 high current switching power supplies, converters, free-wheeling diodes, welding and reverse battery protection. 175 C TJ operation Center tap module 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
401CNQ... Units
400 35 to 45 25,000 0.56 A V A V
- 55 to 175
C
80.01 [3.150] 40.26 [1.585] 39.75 [1.565] COMMON CATHODE
O
10.41 [.410] 9.65 [.380]
20.32 [.800] 17.78 [.700]
LUG TERMINAL ANODE 1
LUG TERMINAL ANODE 2
2X O
7.49 [.295] 6.99 [.275]
34.925 [1.375] REF. 63.50 [2.500] 60.96 [2.400]
O
4.95 [.195] 4.70 [.185]
1/4-20 SLOTTED HEX
BASE COMMON CATHODE
23.55 [.927] 20.42 [.804]
15.75 [.620] 14.99 [.590] 3.35 [.132] 3.02 [.119]
92.71 [3.650] 90.17 [3.550] NOTES: 1. DIMENSIONS ARE SHOWN IN MILLIMETERS [INCHES]. 2. CONTROLLING DIMENSION: MILLIMETER
Modified JEDEC Outline TO-244AB Dimensions in millimeters and (inches)
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401CNQ... Series
Bulletin PD-2.263 rev. D 07/01
Voltage Ratings
Part number
VR Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V)
401CNQ035
35
401CNQ040
40
401CNQ045
45
Absolute Maximum Ratings
Parameters
IF(AV) Max. Average Forward Current * See Fig. 5 IFSM EAS IAR (Per Leg) (PerDevice)
401CNQ Units Conditions
200 400 25,000 3450 270 40 A mJ A 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 = 0.34 mH Current decaying linearly to zero in 1 sec Frequency limited by TJ max. VA = 1.5 x VR typical A 50% duty cycle @ TC = 145 C, rectangular wave form
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)
401CNQ Units Conditions
0.67 0.78 0.56 0.68 20 180 10,300 5.0 10000 V V V V mA mA pF nH V/ s
(1) Pulse Width < 300s, Duty Cycle <2%
@ 200A @ 400A @ 200A @ 400A TJ = 25 C
TJ = 25 C
IRM CT LS
Max. Reverse Leakage Current (Per Leg) * See Fig. 2 (1) Max. Junction Capacitance (Per Leg) Typical Series Inductance (Per Leg)
VR = rated VR TJ = 125 C VR = 5VDC, (test signal range 100Khz to 1Mhz) 25C From top of terminal hole to mounting plane
dv/dt Max. Voltage Rate of Change (Rated VR)
Thermal-Mechanical Specifications
Parameters
TJ Tstg Max. Junction Temperature Range Max. Storage Temperature Range
401CNQ Units Conditions
-55 to 175 -55 to 175 0.20 0.10 0.10 79 (2.80) C C C/W DCoperation C/W DCoperation C/W Mounting surface , smooth and greased g (oz.) * See Fig. 4
RthJC Max. Thermal Resistance Junction to Case (Per Leg) RthJC Max. Thermal Resistance Junction to Case (Per Package) RthCS Typical Thermal Resistance, Case to Heatsink wt Approximate Weight T Mounting Torque Base Mounting Torque Center Hole Terminal Torque Case Style Min. Max. Typ. Min. Max.
24(20) 35 (30) Kg-cm 13.5 (12) (Ibf-in) 35 (30) 46 (40) TO - 244AB Modified JEDEC
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401CNQ... Series
Bulletin PD-2.263 rev. D 07/01
1000
10000 1000
Reverse Current - I R (mA)
T J = 175C 150C
100
125C
10 1 0.1 0.01 0.001 0 10
100C 75C 50C 25C
100
Instantaneous Forward Current - I F (A)
TJ = 175C TJ = 125C TJ = 25C
20
30
40
50
Reverse Voltage - VR (V) Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage 10000
Junction Capacitance - C T (pF)
10
T = 25C J
1 0 0.3 0.6 0.9 1.2
Forward Voltage Drop - VFM (V) Fig. 1 - Max. Forward Voltage Drop Characteristics
1000 0 10 20 30 40 50 60
Reverse Voltage - V R (V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage
1
Thermal Impedance Z thJC (C/W)
0.1
D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20
PDM
t1
0.01
Notes:
t2
Single Pulse (Thermal Resistance)
1. Duty factor D = t1 / t2 2. Peak TJ = PDM x Z thJC + 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 ZthJC Characteristics (Per Leg)
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401CNQ... Series
Bulletin PD-2.263 rev. D 07/01
180
Allowable Case Temperature (C) Average Power Loss (Watts)
175 150 125 100 75 50 25 0 0 50 100 150 200 250 300
Average Forward Current - I F(AV)(A) Fig. 6 - Forward Power Loss Characteristics
D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 DC
160 140 120 100
Square wave (D = 0.50) 80 80% Rated VR applied
DC
RMS Limit
60
see note (2)
40 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)
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 FR EE-W H E EL D IO D E 40H FL40 S02 V d = 25 V olt
D UT
IRFP460 Rg = 25 ohm
+
C URRE NT 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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401CNQ... Series
Bulletin PD-2.263 rev. D 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
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