Semiconductor Components Industries, LLC, 2001
May, 2001 – Rev. 3 1Publication Order Number:
MBR20200CT/D
MBR20200CT
SWITCHMODE Power
Dual Schottky Rectifier
...using Schottky Barrier technology with a platinum barrier metal.
This state–of–the–art device is designed for use in high frequency
switching power supplies and converters with up to 48 volt outputs.
They block u p t o 2 00 v olts a nd o ffer i mproved S chottky p erformance a t
frequencies from 250 kHz to 5.0 MHz.
•200 Volt Blocking Voltage
•Low Forward Voltage Drop
•Guardring for Stress Protection and High dv/dt Capability
(10,000 V/µs)
•Dual Diode Construction – Terminals 1 and 3 Must be Connected for
Parallel Operation at Full Rating
Mechanical Characteristics
•Case: Epoxy, Molded
•Weight: 1.9 grams (approximately)
•Finish: All External Surfaces Corrosion Resistant and Terminal
Leads are Readily Solderable
•Lead Temperature for Soldering Purposes:
260°C Max. for 10 Seconds
•Shipped 50 units per plastic tube
•Marking: B20200
MAXIMUM RATINGS (Per Leg)
Rating Symbol Value Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
200 V
Average Rectified Forward Current
(Rated VR, TC = 125°C) Per Leg
Per Package
IF(AV) 10
20
A
Peak Repetitive Forward Current
per Leg (Rated VR, Square Wave,
20 kHz, TC = 90°C)
IFRM 20 A
Non–Repetitive Peak Surge Current
(Surge Applied at Rated Load
Conditions Halfwave, Single
Phase, 60 Hz)
IFSM 150 A
Peak Repetitive Reverse Surge
Current (2.0 s, 1.0 kHz) IRRM 1.0 A
Storage Temperature Range Tstg –65 to +175 °C
Operating Junction Temperature TJ–65 to +150 °C
Voltage Rate of Change (Rated VR) dv/dt 10,000 V/sDevice Package Shipping
ORDERING INFORMATION
MBR20200CT TO–220
http://onsemi.com
TO–220AB
CASE 221A
PLASTIC
50 Units/Rail
3
4
1
SCHOTTKY BARRIER
RECTIFIER
20 AMPERES
200 VOLTS
1
3
2, 4
2
MARKING DIAGRAM
YY = Year
WW = Work Week
B20200 = Device Code
AKA = Diode Polarity
YY WW
B20200
AKA
MBR20200CT
http://onsemi.com
2
THERMAL CHARACTERISTICS (Per Leg)
Characteristic Symbol Value Unit
Thermal Resistance — Junction to Case RθJC 2.0 °C/W
ELECTRICAL CHARACTERISTICS (Per Leg)
Maximum Instantaneous Forward Voltage (Note 1.) (IF = 10 Amps, TC = 25°C)
(IF = 10 Amps, TC = 125°C)
(IF = 20 Amps, TC = 25°C)
(IF = 20 Amps, TC = 125°C)
VF0.9
0.8
1.0
0.9
Volts
Maximum Instantaneous Reverse Current (Note 1.) (Rated dc Voltage, TC = 25°C)
(Rated dc Voltage, TC = 125°C) IR1.0
50 mA
DYNAMIC CHARACTERISTICS (Per Leg)
Capacitance (VR = –5.0 V, TC = 25°C, Frequency = 1.0 MHz) CT500 pF
1. Pulse Test: Pulse Width = 300 µs, Duty Cycle ≤2.0%.
Figure 1. Typical Forward Voltage (Per Leg)
100
70
50
20
10
7
5
2
10.2 0.4 0.6 0.8 1
TJ = 125°C
TJ = 100°C
TJ = 25°C
vF, INSTANTANEOUS VOLTAGE (VOLTS)
TJ = 150°C
I , INSTANEOUS FORWARD CURRENT (AMP)
F
I , REVERSE CURRENT ( A)
Rµ
VR, REVERSE CURRENT (VOLTS)
10,000
1,000
100
10
1
0.1
0.01 20 40 60 80 100 120 140 160 180 200
TJ = 125°C
TJ = 100°C
TJ = 150°C
TJ = 25°C
Figure 2. Typical Reverse Current (Per Leg)
0
MBR20200CT
http://onsemi.com
3
40
36
32
28
24
20
16
12
8
4
0
0 5 10 15 20 25 30 35
TJ = 125°C
10
dc
SQUARE
WAVE
IPK
IAV
= 20
IF(AV), AVERAGE FORWARD CURRENT (AMPS)
Figure 3. Forward Power Dissipation
P , AVERAGE POWER DISSIPATION (WATTS)
F(AV)
25
20
15
10
5
090 100 110 120 130 140 150 160
I , AVERAGE FORWARD CURRENT (AMPS)
F(AV)
TC, CASE TEMPERATURE (°C)
Figure 4. Current Derating, Case
SQUARE
WAVE
dc
RATED VOLTAGE
RθJC = 2°C/W
I , AVERAGE FORWARD CURRENT (AMPS)
F(AV)
RθJA = 16°C/W
RATED VOLTAGE
20
16
12
8
4
0
TA, AMBIENT TEMPERATURE (°C)
Figure 5. Current Derating, Ambient
dc
SQUARE
WAVE
0 25 50 75 100 125 150 175
500
400
300
200
100
0
C, CAPACITANCE (pF)
TJ = 25°C
VR, REVERSE VOLTAGE (VOLTS)
1 2 5 10 20 50 70 100
Figure 6. Typical Capacitance (Per Leg)
MBR20200CT
http://onsemi.com
4
PACKAGE DIMENSIONS
TO–220
PLASTIC
CASE 221A–09
ISSUE AA
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION Z DEFINES A ZONE WHERE ALL
BODY AND LEAD IRREGULARITIES ARE
ALLOWED.
DIM MIN MAX MIN MAX
MILLIMETERSINCHES
A0.570 0.620 14.48 15.75
B0.380 0.405 9.66 10.28
C0.160 0.190 4.07 4.82
D0.025 0.035 0.64 0.88
F0.142 0.147 3.61 3.73
G0.095 0.105 2.42 2.66
H0.110 0.155 2.80 3.93
J0.018 0.025 0.46 0.64
K0.500 0.562 12.70 14.27
L0.045 0.060 1.15 1.52
N0.190 0.210 4.83 5.33
Q0.100 0.120 2.54 3.04
R0.080 0.110 2.04 2.79
S0.045 0.055 1.15 1.39
T0.235 0.255 5.97 6.47
U0.000 0.050 0.00 1.27
V0.045 --- 1.15 ---
Z--- 0.080 --- 2.04
B
Q
H
Z
L
V
G
N
A
K
F
123
4
D
SEATING
PLANE
–T–
C
S
T
U
R
J
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MBR20200CT/D
SWITCHMODE is a trademark of Semiconductor Components Industries, LLC.
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