1
Rectifier Device Data
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 up to 200 volts
and offer improved Schottky performance at 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: 1.7 grams (approximately)
•Finish: All External Surfaces Corrosion Resistant and Terminal
Leads are Readily Solderable
•Lead and Mounting Surface Temperature for Soldering
Purposes: 260°C Max. for 10 Seconds
•Shipped 50 units per plastic tube
•Available in 24 mm Tape and Reel, 800 units per 13″ reel by
adding a “T4” suffix to the part number
•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 Volts
Average Rectified Forward Current Per Leg
(Rated VR) TC = 125°C Per Package IF(AV) 10
20 Amps
Peak Repetitive Forward Current, Per Leg
(Rated VR, Square Wave, 20 kHz) TC = 90°CIFRM 20 Amps
Nonrepetitive Peak Surge Current
(Surge applied at rated load conditions halfwave, single phase, 60 Hz) IFSM 150 Amps
Peak Repetitive Reverse Surge Current (2.0 µs, 1.0 kHz) IRRM 1.0 Amp
Operating Junction Temperature TJ–65 to +150 °C
Storage Temperature Tstg –65 to +175 °C
Voltage Rate of Change (Rated VR) dv/dt 10,000 V/µs
THERMAL CHARACTERISTICS (PER LEG)
Thermal Resistance — Junction to Case RθJC 2.0 °C/W
ELECTRICAL CHARACTERISTICS (PER LEG)
Maximum Instantaneous Forward Voltage (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 (1) (Rated dc V oltage, 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%.
MEGAHERTZ and SWITCHMODE are trademarks of Motorola, Inc.
Preferred devices are Motorola recommended choices for future use and best overall value.
Order this document
by MBRB20200CT/D
SEMICONDUCTOR TECHNICAL DATA
Motorola, Inc. 1996
SCHOTTKY BARRIER
RECTIFIER
20 AMPERES
200 VOLTS
Motorola Preferred Device
CASE 418B–02
4
3
1
1
3
4
MBRB20200CT
2Rectifier Device Data
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)
R
µ
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
40
36
32
28
24
20
16
12
8
4
00 5 10 15 20 25 30 35
TJ = 125
°
C
10
dc
SQUARE
WAVE
IPK
IAV = 20
IF(AV), A VERAGE 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 FOR WARD CURRENT (AMPS)
F(AV)
TC, CASE TEMPERATURE (
°
C)
Figure 4. Current Derating, Case
SQUARE
WAVE dc
RATED VOLTAGE
R
θ
JC = 2
°
C/W
I , AVERAGE FOR WARD CURRENT (AMPS)
F(AV)
R
θ
JA = 16
°
C/W
RATED VOLT AGE
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 (VOL TS)
1 2 5 10 20 5070100
Figure 6. Typical Capacitance (Per Leg)
MBRB20200CT
3
Rectifier Device Data
D2PAK
mm
inches
0.33
8.38
0.08
2.032
0.04
1.016
0.63
17.02
0.42
10.66
0.12
3.05
0.24
6.096
RECOMMENDED FOOTPRINT FOR D2PAK
MBRB20200CT
4Rectifier Device Data
PACKAGE DIMENSIONS
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
DIM MIN MAX MIN MAX
MILLIMETERSINCHES
A0.340 0.380 8.64 9.65
B0.380 0.405 9.65 10.29
C0.160 0.190 4.06 4.83
D0.020 0.035 0.51 0.89
E0.045 0.055 1.14 1.40
G0.100 BSC 2.54 BSC
H0.080 0.110 2.03 2.79
J0.018 0.025 0.46 0.64
K0.090 0.110 2.29 2.79
S0.575 0.625 14.60 15.88
V0.045 0.055 1.14 1.40
STYLE 3:
PIN 1. ANODE
2. CATHODE
3. ANODE
4. CATHODE
CASE 418B–02
ISSUE B
SEATING
PLANE
B
S
G
D
–T–
M
0.13 (0.005) T
231
4
3 PL
K
J
H
V
E
C
A
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the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and
specifically disclaims any and all liability, including without limitation consequential or incidental damages. “Typical” parameters which may be provided in Motorola
data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals”
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and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees
arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that
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MBRB20200CT/D
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