I
F(AV)
Rectangular
200
A
waveform
V
RRM
60
V
I
FSM
@ tp = 5 s sine
16,000
A
V
F
@
100Apk, T
J
=125C
0.59
V
(per leg)
T
J
range
- 55 to 150
C
Characteristics
208CMQ... Units
Major Ratings and Characteristics
The 208CMQ high current Schottky rectifier module series
has been optimized for low reverse leakage at high tempera-
ture.
The proprietary barrier technology allows for reliable opera-
tion up to 150 C junction temperature. Typical applications
are in high current switching power supplies, plating power
supplies, UPS systems, converters, free-wheeling diodes,
welding, and reverse battery protection.
150 C T
J
operation
Center tap module - Isolated Base
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
Description/Features
SCHOTTKY RECTIFIER
200 Amp
208CMQ060
1
Bulletin PD-20732 rev. A 08/01
www.irf.com
TO-244AB isolated
Modified JEDEC
Outline TO-244AB Isolated
Dimensions in millimeters and (inches)
2
LUG
TERMINAL
ANODE 1
LUG
TERMINAL
ANODE 3
COMMON
CATHODE
ISOLATED BASE
208CMQ060
2
Bulletin PD-20732 rev. A 08/01
www.irf.com
V
FM
Max. Forward Voltage Drop
0.68
V
@ 100A
(Per Leg) * See Fig. 1
(1)
0.83
V
@ 200A
0.59
V
@ 100A
0.75
V
@ 200A
I
RM
Max. Reverse Leakage Current
1.1
mA
T
J
= 25 C
(Per Leg) * See Fig. 2
(1)
300
mA
T
J
= 125 C
V
F(TO)
Threshold Voltage
0.32
V
T
J
= T
J
max.
r
t
Forward Slope Resistance
2.1
m
C
T
Max. Junction Capacitance (Per Leg)
6000
pF
V
R
= 5V
DC
, (test signal range 100Khz to 1Mhz) 25C
L
S
Typical Series Inductance (Per Leg)
7.0
nH
From top of terminal hole to mounting plane
dv/dt Max. Voltage Rate of Change
10000
V/ s (Rated V
R
)
V
RMS
Insulation Voltage
1000
V
I
F(AV)
Max. Average Forward
(Per Leg)
100
A
50% duty cycle @ T
C
= 90 C, rectangular wave form
Current * See Fig. 5
(Per Device)
200
I
FSM
Max. Peak One Cycle Non-Repetitive
16,000
5s Sine or 3s Rect. pulse
Surge Current (Per Leg) * See Fig. 7
2,100
10ms Sine or 6ms Rect. pulse
E
AS
Non-Repetitive Avalanche Energy
15
mJ
T
J
= 25 C, I
AS
= 1 Amps, L = 30 mH
(Per Leg)
I
AR
Repetitive Avalanche Current
1
A
Current decaying linearly to zero in 1 sec
(Per Leg)
Frequency limited by T
J
max. V
A
= 1.5 x V
R
typical
Part number
208CMQ060
V
R
Max. DC Reverse Voltage (V)
V
RWM
Max. Working Peak Reverse Voltage (V)
60
Voltage Ratings
Absolute Maximum Ratings
Following any rated
load condition and with
rated V
RRM
applied
A
Parameters
208CMQ Units
Conditions
T
J
= 25 C
T
J
= 125 C
V
R
= rated V
R
Electrical Specifications
(1) Pulse Width < 300s, Duty Cycle <2%
Parameters
208CMQ Units
Conditions
T
J
Max. Junction Temperature Range
-55 to 150
C
T
stg
Max. Storage Temperature Range
-55 to 150
C
R
thJC
Max. Thermal Resistance Junction
0.70
C/W DC operation
* See Fig. 4
to Case (Per Leg)
R
thJC
Max. Thermal Resistance Junction
0.35
C/W DC operation
to Case (Per Package)
R
thCS
Typical Thermal Resistance, Case
0.10
C/W Mounting surface , smooth and greased
to Heatsink
wt
Approximate Weight
79 (2.80)
g (oz.)
T
Mounting Torque
Min.
24 (20)
Max.
35 (30)
Mounting Torque Center Hole Typ.
13.5 (12)
Terminal Torque
Min.
35 (30)
Max.
46 (40)
Case Style
TO - 244AB Isolated Modified JEDEC
Thermal-Mechanical Specifications
Kg-cm
(Ibf-in)
Parameters
208CMQ Units
Conditions
208CMQ060
3
Bulletin PD-20732 rev. A 08/01
www.irf.com
Fig. 4 - Max. Thermal Impedance Z
thJC
Characteristics (Per Leg)
1
10
100
1000
0
0.3
0.6
0.9
1.2
1.5
T = 150C
T = 125C
T = 25C
J
J
J
0.01
0.1
1
10
100
1000
0
20
40
60
125C
100C
75C
50C
25C
T = 150C
J
1000
10000
0
10
20
30
40
50
60
70
T = 25C
J
Fig. 1 - Max. Forward Voltage Drop Characteristics
Forward Voltage Drop - V
FM
(V)
Instantaneous Forward Current - I
F
(A)
Reverse Current - I
R
(mA)
Reverse Voltage - V
R
(V)
Reverse Voltage - V
R
(V)
Junction Capacitance - C
T
(pF)
Fig. 3 - Typical Junction Capacitance
Vs. Reverse Voltage
Fig. 2 - Typical Values Of Reverse Current
Vs. Reverse Voltage
t
1
, Rectangular Pulse Duration (Seconds)
Thermal Impedance Z
thJC
(C/W)
0.001
0.01
0.1
1
0.00001
0.0001
0.001
0.01
0.1
1
10
100
Single Pulse
(Thermal Resistance)
D = 0.75
D = 0.50
D = 0.33
D = 0.25
D = 0.20
2
t
1
t
P
DM
Notes:
1. Duty factor D = t / t
2. Peak T = P x Z + T
J
DM
thJC
C
2
1
208CMQ060
4
Bulletin PD-20732 rev. A 08/01
www.irf.com
FR EE-W HE EL
D IO D E
40H FL40S02
C UR RE N T
M O N ITO R
H IG H -SPE ED
SW ITC H
IRFP460
L
D UT
Rg = 25 ohm
V d = 25 V olt
+
1000
10000
100000
10
100
1000
10000
At Any Rated Load Condition
And With Rated V Applied
Following Surge
RRM
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current
Average Forward Current - I
F(AV)
(A)
Square Wave Pulse Duration - t
p
(microsec)
Fig. 7 - Max. Non-Repetitive Surge Current
Allowable Case Temperature (C)
Non-Repetitive Surge Current - I
FSM
(A)
Fig. 6 - Forward Power Loss
Characteristics
Average Forward Current - I
F(AV)
(A)
Average Power Loss (Watts)
Fig. 8 - Unclamped Inductive Test Circuit
(2) Formula used: T
C
= T
J
- (Pd + Pd
REV
) x R
thJC
;
Pd = Forward Power Loss = I
F(AV)
x V
FM
@ (I
F(AV)
/
D) (see Fig. 6);
Pd
REV
= Inverse Power Loss = V
R1
x I
R
(1 - D); I
R
@ V
R1
= 80% rated V
R
0
20
40
60
80
100
0
30
60
90
120
150
DC
RMS Limit
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
0
30
60
90
120
150
180
0
40
80
120
160
DC
see note (2)
Square wave (D = 0.50)
80% Rated Vr applied
208CMQ060
5
Bulletin PD-20732 rev. A 08/01
www.irf.com
Ordering Information Table
Device Code
1
2
3
1
-
Current Rating: 200A
2
-
Common Cathode
3
-
Module
4
-
Schottky Q Series
5
-
Voltage Rating: 60V
208
C
M
Q
060
4
5
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
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.
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