Preliminary Data Sheet PD-20801 11/04
MBR20...CTG
MBRB20...CTG
MBR20...CTG-1
SCHOTTKY RECTIFIER
20 Amp
I
F(AV)
= 20 Amp
V
R
= 80 to 100V
Major Ratings and Characteristics
Characteristics
I
F(AV)
Rectangular waveform
(Per Device)
I
FRM
@ T
C
= 133°C
(Per Leg)
V
RRM
I
FSM
@ tp = 5 µs sine
V
F
T
J
@ 10 Apk, T
J
= 125°C
range
20
80/90/100
850
0.70
- 65 to 150
A
V
A
V
°C
Description/ Features
Units
A
This center tap Schottky rectifier has been optimized for low
reverse leakage at high temperature. The proprietary barrier
technology allows for reliable operation up to 150° C junction
temperature. Typical applications are in switching power
supplies, converters, free-wheeling diodes, and reverse bat-
tery protection.
150° C T
J
operation
Center tap TO-220, D
2
Pak and TO-262 packages
Low forward voltage drop
High purity, high temperature epoxy encapsulation for
enhanced mechanical strength and moisture resistance
High frequency operation
Guard ring for enhanced ruggedness and long term
reliability
Values
20
Case Styles
MBR20...CTG
MBRB20...CTG
MBR20...CTG-1
Base
Common
Cathode
2
Base
Common
Cathode
2
Base
Common
Cathode
2
1
Anode
2
Common
Cathode
3
1
Anode
Anode
2
Common
Cathode
3
1
Anode
Anode
2
Common
Cathode
3
Anode
TO-220
D
2
PAK
TO-262
1
MBR20...CTG, MBRB20...CTG, MBR20...CTG-1
Preliminary Data Sheet PD-20801 11/04
Voltage Ratings
Parameters
V
R
Max. DC Reverse Voltage (V)
V
RWM
Max. Working Peak Reverse Voltage (V)
MBR2080CTG
MBRB2080CTG
MBR2080CTG-1
MBR2090CTG
MBRB2090CTG
MBR2090CTG-1
MBR20100CTG
MBRB20100CTG
MBR20100CTG-1
80
90
100
Absolute Maximum Ratings
Parameters
I
F(AV)
Max. Average Forward (Per Leg)
Current
(Per Device)
I
FRM
Peak Repetitive Forward
Current
(Per Leg)
I
FSM
Non Repetitive Peak
Surge Current
Values
10
20
20
850
150
Units
A
A
Conditions
@ T
C
= 133° C, (Rated V
R
)
Rated V
R
, square wave, 20kHz
T
C
= 133° C
5µs Sine or 3µs Following any rated load condition
and with rated V
RRM
applied
Rect. pulse
Surge applied at rated load conditions halfwave,
single phase, 60Hz
2.0 µsec 1.0 KHz
T
J
= 25 °C, I
AS
= 2 Amps, L = 12 mH
A
A
mJ
I
RRM
E
AS
Peak Repetitive Reverse
Surge Current
Non-Repetitive Avalanche Energy
(Per Leg)
0.5
24
Electrical Specifications
Parameters
V
FM
Max. Forward Voltage Drop
(1)
Values
0.80
0.95
0.70
0.85
Units
V
V
V
V
mA
mA
V
mΩ
Conditions
@ 10A
@ 20A
@ 10A
@ 20A
T
J
= 25 °C
T
J
= 125 °C
T
J
= T
J
max.
T
J
= 25 °C
T
J
= 125 °C
Rated DC voltage
I
RM
Max. Instantaneus Reverse Current
(1)
0.10
6
0.433
15.8
400
8.0
10000
V
F(TO)
Threshold Voltage
r
t
C
T
L
S
Forward Slope Resistance
Max. Junction Capacitance
Typical Series Inductance
pF
nH
V
R
= 5V
DC
(test signal range 100Khz to 1Mhz) 25°C
Measured from top of terminal to mounting plane
(1) Pulse Width < 300µs, Duty Cycle <2%
dv/dt Max. Voltage Rate of Change
V/ µs (Rated V
R
)
Thermal-Mechanical Specifications
Parameters
T
J
T
stg
Max. Junction Temperature Range
Max. Storage Temperature Range
Values
-65 to 150
-65 to 175
2.0
0.50
50
2 (0.07)
Min.
Max.
6 (5)
12 (10)
Units
°C
°C
Conditions
R
thJC
Max. Thermal Resistance
Junction to Case
(Per Leg)
R
thCS
Typical Thermal Resistance
Case to Heatsink
R
thJA
Max. Thermal Resistance
Junction to Ambient
wt
T
Approximate Weight
Mounting Torque
Device Marking
°C/W DC operation
°C/W Mounting surface, smooth and greased
Only for TO-220
°C/W DC operation
For D
2
Pak and TO-262
g (oz.)
Kg-cm
Non-lubricated threads
(Ibf-in)
Case style TO-220
Case style D
2
-Pak
Case style TO-262
MBR20...CTG
MBRB20...CG
MBR20...CG-1
2
MBR20...CTG, MBRB20...CTG, MBR20...CTG-1
Preliminary Data Sheet PD-20801 11/04
100
100
10
1
0.1
0.01
0.001
0.0001
0
20
40
60
80
100
Reverse Voltage - V
R
(V)
25°C
Reverse Current - I
R
(mA)
T
J
= 150°C
125°C
100°C
75°C
50°C
Instantaneous Forward Current - I
F
(A)
10
T = 150˚C
J
J
J
T = 125˚C
Junction Capacitance - C
T
(pF)
Fig. 2 - Typical Values Of Reverse Current
Vs. Reverse Voltage (Per Leg)
1000
T = 25˚C
T
J
= 25°C
100
1
0.2
10
0.4
0.6
0.8
1
Forward Voltage Drop - V
FM
(V)
1.2
0
20
40
60
80
100
Reverse Voltage - V
R
(V)
Fig. 1 - Max. Forward Voltage Drop Characteristics
(Per Leg)
10
T
hermal Impedance Z
thJC
(°C/ W)
Fig. 3 - Typical Junction Capacitance
Vs. Reverse Voltage (Per Leg)
1
D = 0.75
D = 0.50
D = 0.33
D = 0.25
D = 0.20
P
DM
0.1
S
ingle Pulse
(T
hermal Resistanc e)
0.01
0.00001
Notes:
t1
t2
1. Duty factor D = t 1/ t 2
2. Peak T = P x Z
thJC
+ T
C
J
DM
0.01
0.1
1
10
0.0001
0.001
t 1 , Rectangular Pulse Duration (S onds)
ec
Fig. 4 - Max. Thermal Impedance Z
thJC
Characteristics (Per Leg)
3
MBR20...CTG, MBRB20...CTG, MBR20...CTG-1
Preliminary Data Sheet PD-20801 11/04
150
Allowable Case T
emperature - (°C)
10
Average Power Loss - (Watts)
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
DC
RMSLimit
4
140
DC
8
130
6
120
S
quare wave (D = 0.50)
Rated V
R
applied
110
see note (2)
2
100
0
2
4
6
8
10
12
14
16
Average Forward Current - I
F(AV)
(A)
0
0
2
4
6
8
10
12
14
16
Average Forward Current - I
F(AV)
(A)
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current (Per Leg)
Fig. 6 - Forward Power Loss Characteristics
(Per Leg)
Non-Repetitive S
urge Current - I
FS
(A)
M
1000
At Any Rated Load Condition
And With Rated V
RRM
Applied
Following S
urge
100
10
100
1000
10000
S
quare Wave Pulse Duration - t p (microsec)
Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg)
(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
= rated V
R
4
MBR20...CTG, MBRB20...CTG, MBR20...CTG-1
Preliminary Data Sheet PD-20801 11/04
Outline Table
10.54 (0.41)
MAX.
3.78 (0.15)
3.54 (0.14)
15.24 (0.60)
14.84 (0.58)
1 2 3
14.09 (0.55)
13.47 (0.53)
3.96 (0.16)
3.55 (0.14)
2.04 (0.080) MAX.
1.40 (0.05)
1.15 (0.04)
0.94 (0.04)
0.69 (0.03)
2.89 (0.11)
2.64 (0.10)
1
2
3
1.32 (0.05)
DIA.
6.48 (0.25)
6.23 (0.24)
2°
1.22 (0.05)
2.92 (0.11)
2.54 (0.10)
TERM 2
0.10 (0.004)
BASE
COMMON
CATHODE
2
ANODE COMMON ANODE
CATHODE
1
2
1 2 3
4.57 (0.18)
4.32 (0.17)
0.61 (0.02) MAX.
5.08 (0.20) REF.
Conform to JEDEC outline TO-220AB
Dimensions in millimeters and (inches)
10.16 (0.40)
REF.
4.69 (0.18)
4.20 (0.16)
1.32 (0.05)
6.47 (0.25)
15.49 (0.61)
1.22 (0.05)
93°
6.18 (0.24)
14.73 (0.58)
2.61 (0.10)
2.32 (0.09)
8.89 (0.35)
5.28 (0.21)
4.78 (0.19)
0.55 (0.02)
0.46 (0.02)
3X
BASE
COMMON
CATHODE
2
1.40 (0.055)
REF.
0.93 (0.37)
0.69 (0.27)
1.14 (0.045)
2X
MINIMUM RECOMMENDED FOOTPRINT
11.43 (0.45)
1
1
2
3
3
4.57 (0.18)
ANODE COMMON ANODE
CATHODE
1
2
4.32 (0.17)
2
0.61 (0.02) MAX.
5.08 (0.20) REF.
8.89 (0.35)
17.78 (0.70)
3.81 (0.15)
2.08 (0.08)
2X
2.54 (0.10)
2X
Dimensions in millimeters and (inches)
Conform to JEDEC outline D
2
Pak (SMD-220)
5
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