IRF 75HQ040

Bulletin PD-2.246 rev. C 11/02
75HQ... SERIES
SCHOTTKY RECTIFIER
75 Amp
TO-203AB (DO-5)
Description/ Features
Major Ratings and Characteristics
Characteristics
75HQ...
Units
IF(AV) Rectangular
75
A
30 to 45
V
IFSM @ tp = 5 µs sine
9000
A
VF
@ 75 Apk, TJ = 125°C
0.63
V
TJ
range
- 65 to 175
°C
waveform
VRRM range
The 75HQ Schottky rectifier 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 switching
power supplies, converters, free-wheeling diodes, and reverse battery protection.
175 °C TJ operation
Low forward voltage drop
High frequency operation
Guard ring for enhanced ruggedness and long term
reliability
Hermetic packaging
Conforms to JEDEC Outline DO-203AB (DO-5)
Dimensions in millimeters and (inches)
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75HQ... Series
Bulletin PD-2.246 rev. C 11/02
Voltage Ratings
Part number
VR
75HQ030
75HQ035
75HQ040
75HQ045
30
35
40
45
Max. DC Reverse Voltage (V)
VRWM Max. Working Peak Reverse Voltage (V)
Absolute Maximum Ratings
Parameters
IF(AV) Max. Average Forward Current
* See Fig. 5
IFSM
75HQ
Units
75
A
Max. Peak One Cycle Non-Repetitive
9000
A
Surge Current * See Fig. 7
1180
EAS
Non-Repetitive Avalanche Energy
101
mJ
IAR
Repetitive Avalanche Current
15
A
Conditions
50% duty cycle @ TC = 117 °C, rectangular wave form
5µs Sine or 3µs Rect. pulse
10ms Sine or 6ms Rect. pulse
Following any rated
load condition and
with rated VRRM applied
TJ = 25 °C, IAS = 15 Amps, L = 0.9 mH
Current decaying linearly to zero in 1 µsec
Frequency limited by TJ max. VA = 1.5 x VR typical
Electrical Specifications
Parameters
VFM
75HQ
Units
0.71
V
@ 75A
0.88
V
@ 150A
0.63
V
@ 75A
0.78
V
@ 150A
Max. Reverse Leakage Current (1)
5
mA
TJ = 25 °C
* See Fig. 2
45
mA
TJ = 125 °C
2600
pF
VR = 5VDC, (test signal range 100Khz to 1Mhz) 25 °C
7.5
nH
Measured from top of terminal to mounting plane
10000
V/ µs
Max. Forward Voltage Drop
(1)
* See Fig. 1
IRM
CT
Max. Junction Capacitance
LS
Typical Series Inductance
dv/dt Max. Voltage Rate of Change
(Rated VR)
Conditions
TJ = 25 °C
TJ = 125 °C
VR = rated VR
(1) Pulse Width < 300µs, Duty Cycle < 2%
Thermal-Mechanical Specifications
75HQ
Units
TJ
Max. Junction Temperature Range
Parameters
-65 to 175
°C
Conditions
Tstg
Max. Storage Temperature Range
-65 to 175
°C
RthJC Max. Thermal Resistance Junction
to Case
0.83
°C/W
DC operation
RthCS Typical Thermal Resistance, Case to
0.25
°C/W
Mounting surface , smooth and greased
* See Fig. 4
Heatsink
wt
Approximate Weight
T
Mounting Torque
Case Style
2
15 (0.53) g (oz.)
Min.
23 (20)
Max.
46 (40)
Kg-cm Non-lubricated threads
(Ibf-in)
DO-203AB(DO-5) JEDEC
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75HQ... Series
Bulletin PD-2.246 rev. C 11/02
1000
1000
TJ = 175°C
Reverse Current - I R (mA)
100
125°C
1
100°C
75°C
0.1
10
10
15
20
25
30
35
40
45
Fig. 2 - Typical Values Of Reverse Current
Vs. Reverse Voltage
10000
1
0.4
5
T = 125°C
T J = 25°C
0.2
0
T = 175°C
J
0
25°C
Reverse Voltage - V R (V)
J
0.1
50°C
0.01
0.001
Junction Capacitance - C T (pF)
Instantaneous Forward Current - I F (A)
100
150°C
10
0.6
0.8
TJ = 25°C
1000
100
1
0
10
20
30
40
50
Reverse Voltage - VR (V)
Forward Voltage Drop - VFM (V)
Fig. 3 - Typical Junction Capacitance
Vs. Reverse Voltage
Fig. 1 - Maximum Forward Voltage Drop Characteristics
Thermal Impedance - Z thJC (°C/W)
1
D = 0.50
D = 0.33
D = 0.25
0.1
D = 0.17
PDM
D = 0.08
0.01
Notes:
1. Duty factor D = t 1 / t 2
2. Peak TJ = PDM x Z thJC+ T C
Single Pulse
(Thermal Resistance)
0.001
0.00001
t1
t2
0.0001
0.001
0.01
0.1
1
10
100
t , Rectangular Pulse Duration (Seconds)
1
Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics
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75HQ... Series
Bulletin PD-2.246 rev. C 11/02
70
R thJC (DC) = 0.83°C/W
170
Average Power Loss - (Watts)
Allowable Case Temperature - (°C)
180
160
150
140
DC
130
120
110
100
0
20
40
60
80
100
50
40
RMS Limit
30
10
0
20
40
60
80
100
120
Average Forward Current - I F(AV) (A)
Average Forward Current - I F(AV) (A)
Fig. 6 - Forward Power Loss Characteristics
Fig. 5 - Maximum Allowable Case Temperature
Vs. Average Forward Current
Non-Repetitive Surge Current - I FSM (A)
DC
20
0
120
D = 0.08
D = 0.17
D = 0.25
D = 0.33
D = 0.50
60
10000
At Any Rated Load Condition
And With Rated VRRM Applied
Following Surge
1000
10
100
1000
10000
Square Wave Pulse Duration - t p (microsec)
Fig. 7 - Maximum Non-Repetitive Surge Current
L
DUT
IRFP460
Rg = 25 ohm
CURRENT
MONITOR
HIGH-SPEED
SWITCH
FREE-WHEEL
DIODE
+
Vd = 25 Volt
40HFL40S02
Fig. 8 - Unclamped Inductive Test Circuit
4
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75HQ... Series
Bulletin PD-2.246 rev. C 11/02
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. 11/02
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