400DMQ045 Vishay, 400DMQ045 Datasheet - Page 4

• Manufacturer Part Number: 400DMQ045
• Description: DIODE SCHOTTKY 45V 400A TO-244AB
• Manufacturer: Vishay

Specifications of 400DMQ045

• Voltage - Forward (vf) (max) @ If: 730mV @ 400A
• Current - Reverse Leakage @ Vr: 20mA @ 45V
• Current - Average Rectified (io) (per Diode): 400A
• Voltage - Dc Reverse (vr) (max): 45V
• Diode Type: Schottky
• Speed: Fast Recovery =< 500ns, > 200mA (Io)
• Diode Configuration: 1 Pair Series Connection
• Mounting Type: Chassis Mount
• Package / Case: TO-244AB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Reverse Recovery Time (trr): -
• Other names: *400DMQ045; VS-400DMQ045; VS-400DMQ045; VS400DMQ045; VS400DMQ045

Bulletin PD-20736 rev. B 10/02
4
400DMQ... Series
(2) Formula used: T
Pd = Forward Power Loss = I
Pd
REV
180
150
120
= Inverse Power Loss = V
90
60
30
Fig. 5 - Max. Allowable Case Temperature
0
0
Square wave (D = 0.50)
80% Rated V applied
CURRENT
MONITOR
Vs. Average Forward Current
see note (2)
Average Forward Current - I
C
= T
DUT
J
- (Pd + Pd
R
200
F(AV)
R1
REV
100000
x V
10000
x I
1000
) x R
FM
R
400
(1 - D); I
@ (I
Fig. 7 - Max. Non-Repetitive Surge Current
thJC
10
Square Wave Pulse Duration - t
Fig. 8 - Unclamped Inductive Test Circuit
Rg = 25 ohm
DC
F(AV)
F(AV)
;
R
(A)
/
@ V
IRFP460
D) (see Fig. 6);
At Any Rated Load Condition
And With Rated V
Following Surge
L
600
R1
= 80% rated V
100
RRM
R
1000
FREE-WHEEL
40HFL40S02
Applied
DIODE
p
HIGH-SPEED
(microsec)
SWITCH
500
400
300
200
100
Fig. 6 - Forward Power Loss Characteristics
0
10000
0
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
Average Forward Current - I
100
200
+
Vd = 25 Volt
300
DC
400
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RMS Limit
F(AV)
500
(A)
600