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SCHOTTKY RECTIFIER
Bulletin PD-2259 rev. E 06/01
203CNQ...(R) SERIES
200 Amp
Major Ratings and Characteristics
Characteristics
Value Units
IF(AV) Rectangular
waveform
VRRM range
200
80 and 100
IFSM @ tp = 5 µs sine
16,000
VF @100Apk, TJ=125°C
(per leg)
0.70
TJ range
- 55 to 175
A
V
A
V
°C
TO-244AB
Description/ Features
The 203CNQ... (R) center tap 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 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 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
COMMON
CATHODE
80.01 [3.150]
40.26 [1.585]
39.75 [1.565]
2X Ø
7.49 [.295]
6.99 [.275]
34.925 [1.375]
REF.
63.50 [2.500]
60.96 [2.400]
Ø
10.41
9.65
[.410]
[.380]
20.32 [.800]
17.78 [.700]
Ø
4.95
4.70
[.195]
[.185]
1/4-20 SLOTTED HEX
23.55 [.927]
20.42 [.804]
15.75 [.620]
14.99 [.590]
92.71 [3.650]
90.17 [3.550]
3.35 [.132]
3.02 [.119]
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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203CNQ100
Lug
Terminal
Anode 1
Lug
Terminal
Anode 2
Base
Common Cathode
203CNQ100(R)
Cathode 1
Cathode 2
Base
Common Anode
1

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203CNQ...(R) Series
Bulletin PD-2.259 rev. E 07/01
Voltage Ratings
Part number
VR Max. DC Reverse Voltage (V)
VRWM Max. Working Peak Reverse Voltage (V)
Absolute Maximum Ratings
203CNQ080
80
203CNQ100
100
Parameters
203CNQ Units Conditions
IF(AV) Max. Average Forward (Per Leg)
Current * See Fig. 5 (Per Device)
100
200
A 50% duty cycle @ TC = 137 °C, rectangular wave form
IFSM Max. Peak One Cycle Non-Repetitive
Surge Current (Per Leg) * See Fig. 7
EAS Non-RepetitiveAvalancheEnergy
(Per Leg)
16,000
2,100
15
A
5µs Sine or 3µs Rect. pulse
Following any rated
load condition and with
10ms Sine or 6ms Rect. pulse rated VRRM applied
mJ TJ = 25 °C, IAS = 1 Amps, L = 30 mH
IAR RepetitiveAvalancheCurrent
(Per Leg)
Electrical Specifications
1 A Current decaying linearly to zero in 1 µsec
Frequency limited by TJ max. VA = 1.5 x VR typical
Parameters
203CNQ Units Conditions
VFM Max. Forward Voltage Drop
(Per Leg) * See Fig. 1
(1)
0.86
1.03
0.70
0.84
IRM Max. Reverse Leakage Current
(Per Leg) * See Fig. 2 (1)
3
40
VF(TO) Threshold Voltage
rt Forward Slope Resistance
CT Max. Junction Capacitance (Per Leg)
LS Typical Series Inductance (Per Leg)
dv/dt Max. Voltage Rate of Change
(Rated VR)
0.50
1.08
2,650
7.0
10000
Thermal-Mechanical Specifications
V
V
V
V
mA
mA
V
m
pF
nH
V/ µs
@ 100A
@ 200A
@ 100A
@ 200A
TJ = 25 °C
TJ = 125 °C
TJ = TJ max.
TJ = 25 °C
TJ = 125 °C
VR = rated VR
VR = 5VDC, (test signal range 100Khz to 1Mhz) 25°C
From top of terminal hole to mounting plane
(1) Pulse Width < 300µs, Duty Cycle <2%
Parameters
203CNQ Units Conditions
TJ Max. Junction Temperature Range
Tstg Max. Storage Temperature Range
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
Min.
Max.
Mounting Torque Center Hole Typ.
Terminal Torque
Min.
Max.
Case Style
-55 to 175
-55 to 175
0.40
°C
°C
°C/W DCoperation
* See Fig. 4
0.20 °C/W DCoperation
0.10 °C/W Mounting surface , smooth and greased
79 (2.80) g (oz.)
24 (20)
35 (30)
13.5 (12)
35 (30)
Kg-cm
(Ibf-in)
46 (40)
TO-244AB Modified JEDEC
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1000
100
10
TJ= 175 C
TJ= 125 C
TJ= 25 C
203CNQ...(R) Series
Bulletin PD-2.259 rev. E 07/01
1000
100
10
1
0.1
0.01
TJ = 175 C
150 C
125 C
100 C
75 C
50 C
25 C
0.001
0
20 40 60 80 100
Reverse V oltag e - V R (V )
Fig. 2 - Typical Values Of Reverse Current
Vs. Reverse Voltage (Per Leg)
10000
1000
T J= 25 C
1
0 0.2 0.4 0.6 0.8 1 1.2 1.4
Forward Voltage Drop - V FM (V)
Fig. 1 - Max. Forward Voltage Drop Characteristics
(Per Leg)
1
100
0 10 20 30 40 50 60 70 80 90 100 110
Reverse V oltage - V R (V )
Fig. 3 - Typical Junction Capacitance
Vs. Reverse Voltage (Per Leg)
D = 0.75
D = 0.50
D = 0.33
0.1 D = 0.25
D = 0.20
PD M
0 .01
0.0 01
0.00001
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Sing le Pu lse
(Therm al Resista nce)
N o te s:
t1
t2
1. D uty factor D = t 1/ t 2
2. Peak TJ = PDM x Z thJC+ T C
0.0001
0.001
0.01
0 .1
1
10
t 1 , Rectangular Pulse Duration (Seconds)
Fig. 4 - Max. Thermal Impedance ZthJC Characteristics (Per Leg)
100
3