Bulletin PD-21103 12/05
203CNQ100PbF
SCHOTTKY RECTIFIER
200 Amp
LUG
TERMINAL
ANODE 1
LUG
TERMINAL
ANODE 2
BASE COMMON CATHODE
Major Ratings and Characteristics
Characteristics
I
F(AV)
Rectangular
waveform
V
RRM
I
FSM
@ tp = 5 µs sine
V
F
T
J
@ 100Apk, T
J
=125°C
(per leg)
range
Description/ Features
Units
A
V
A
V
°C
The 203CNQ.. center tap Schottky rectifier module series has
been optimized for low reverse leakage at high temperature.
The proprietary barrier technology allows for reliable opera-
tion up to 175 °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.
175 °C T
J
operation
Center tap module
Low forward voltage drop
Value
200
100
12,800
0.70
- 55 to 175
High frequency operation
Guard ring for enhanced ruggedness and long term
reliability
Lead-Free
Case Styles
TO-244
Document Number: 94155
www.vishay.com
1
203CNQ100PbF
Bulletin PD-21103
12/05
Voltage Ratings
Part number
V
R
Max. DC Reverse Voltage (V)
100
V
RWM
Max. Working Peak Reverse Voltage (V)
203CNQ100PbF
Absolute Maximum Ratings
Parameters
I
F(AV)
Max. Average Forward
Current
I
FSM
E
AS
I
AR
* See Fig. 5
(Per Leg)
(Per Device)
203CNQ Units Conditions
100
200
12,800
1,700
15
1
A
mJ
A
Following any rated
load condition and with
10ms Sine or 6ms Rect. pulse rated V
RRM
applied
5µs Sine or 3µs Rect. pulse
T
J
= 25 °C, I
AS
= 13 Amps, L = 0.2 mH
Current decaying linearly to zero in 1 µsec
Frequency limited by T
J
max. V
A
= 1.5 x V
R
typical
A
50% duty cycle @ T
C
= 142 °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
V
FM
Max. Forward Voltage Drop
(Per Leg) * See Fig. 1
(1)
203CNQ Units Conditions
0.86
1.03
0.70
0.84
3
40
0.50
1.08
2,650
7.0
10000
V
V
V
V
mA
mA
V
mΩ
@ 100A
@ 200A
@ 100A
@ 200A
T
J
= 25 °C
T
J
= 125 °C
T
J
= T
J
max.
T
J
= 25 °C
T
J
= 125 °C
V
R
= rated V
R
I
RM
Max. Reverse Leakage Current
(Per Leg) * See Fig. 2
(1)
V
F(TO)
Threshold Voltage
r
t
C
T
L
S
Forward Slope Resistance
Max. Junction Capacitance (Per Leg)
Typical Series Inductance (Per Leg)
pF
nH
V/ µs
V
R
= 5V
DC
(test signal range 100Khz to 1Mhz) 25°C
From top of terminal hole to mounting plane
dv/dt Max. Voltage Rate of Change
(Rated V
R
)
(1) Pulse Width < 300µs, Duty Cycle <2%
Thermal-Mechanical Specifications
Parameters
T
J
T
Stg
R
thJC
R
thCS
Wt
Max. Junction Temperature Range
Max. Storage Temperature Range
Thermal Resistance, Junction to Case
Thermal Resistance, Junction to Case
Thermal Resistance, Case to Heatsink
Weight
Mounting Torque
Mounting Torque Center Hole
Terminal Torque
Vertical Pull
2 inch Lever Pull
Per Leg
Per Module
Min
- 55
- 55
-
-
-
-
35.4 (4)
30 (3.4)
30 (3.4)
-
-
Typ
-
-
-
-
0.10
68 (2.4)
-
-
-
-
-
Max
175
175
0.38
0.19
-
-
53.1 (6)
40 (4.6)
44.2 (5)
80
35
Units
°C
°C/W
K/W
g (oz)
lbf*in
(Nm)
lbf.in
Document Number: 94155
www.vishay.com
2
203CNQ100PbF
Bulletin PD-21103
12/05
1000
1000
T
J
= 175°C
Reverse Current - I
R
(mA)
100
10
1
0.1
0.01
0.001
150°C
125°C
100°C
75°C
50°C
25°C
Instantaneous Forward Current - I
F
(A)
100
0
20
40
60
80
100
R
evers Voltag e - V
R
(V)
e
T = 175°C
J
T = 125°C
J
Junction Capac itanc e - C
T
(pF)
Fig. 2 - Typical Values Of Reverse Current
Vs. Reverse Voltage (Per Leg)
10000
T = 25°C
J
10
T
J
= 25°C
1000
1
0
0.2
0.4
0.6
0.8
1
1.2
1.4
100
0 10 20 30 40 50 60 70 80 90 100110
R
everse Voltage - V
R
(V)
Forward Voltage Drop - V
FM
(V)
Fig. 1 - Max. Forward Voltage Drop Characteristics
(Per Leg)
1
Fig. 3 - Typical Junction Capacitance
Vs. Reverse Voltage (Per Leg)
Thermal Impedance - Z
thJC
(°C/W)
D = 0.75
D = 0.50
0.1
D = 0.33
D = 0.25
D = 0.20
0.01
Single Pulse
(Thermal Resistance)
0.001
1E-05
1E-04
1E-03
1E-02
1E-01
1E+00
1E+01
t
1
, Rectangular Pulse Duration (Seconds)
Fig. 4 - Max. Thermal Impedance Z
thJC
Characteristics (Per Leg)
Document Number: 94155
www.vishay.com
3
203CNQ100PbF
Bulletin PD-21103
12/05
180
Allowable Case Temperature (°C)
Average Power Loss - (Watts)
100
90
80
70
60
50
40
30
20
10
0
0
25
50
75
100
125
150
R Limit
MS
DC
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
170
160
150
140
130
120
110
100
0
20 40 60 80 100 120 140 160
Average Forward Current - I
F(AV)
(A)
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current (Per Leg)
Non-Repetitive Surge Current - I
FSM
(A)
Square wave (D=0.50)
80% rated Vr applied
see note (2)
DC
Average F
orward Current - I
F(AV)
(A)
Fig. 6 - Forward Power Loss Characteristics
(Per Leg)
100000
10000
1000
100
10
100
1000
10000
Square Wave Pulse Duration - t
p
(microsec)
Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg)
L
HIGH-S
PEED
S CH
WIT
FREE-WHEEL
DIODE
40HF
L40S
02
+
DUT
IR P460
F
R = 25 ohm
g
Vd = 25 Volt
CURRENT
MONIT
OR
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
Document Number: 94155
www.vishay.com
4
203CNQ100PbF
Bulletin PD-21103
12/05
Outline Table
Conforms to JEDEC Outline TO-244
Dimensions in millimeters and (inches)
Ordering Information Table
Device Code
20
1
3
2
C
3
N
4
Q
5
100 PbF
6
7
1
2
3
4
5
6
7
-
-
-
-
-
-
-
Average Current Rating (x 10)
Product Silicon Identification
C = Circuit Configuration
N = NOt Isolated
Q = Schottky Rectifier Diode
Voltage Rating (100 = 100V)
Lead-Free
Document Number: 94155
www.vishay.com
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