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MBR20HxxCT, MBRF20HXXCT & MBRB20HxxCT Series
New Product
Vishay Semiconductors
formerly General Semiconductor
Dual Schottky Barrier Rectifier
Reverse Voltage 35 to 60V Forward Current 20A
ITO-220AB (MBRF20HXXCT)
0.405 (10.27) 0.383 (9.72) 0.188 (4.77) 0.172 (4.36) 0.110 (2.80) 0.100 (2.54) 0.185 (4.70) 0.175 (4.44) 0.154 (3.91) 0.370 (9.40) 0.360 (9.14) 0.148 (3.74) 0.113 (2.87) 0.103 (2.62) 0.145 (3.68) 0.135 (3.43) 0.410 (10.41) 0.390 (9.91) 1 0.160 (4.06) 0.140 (3.56) PIN 2 3 0.603 (15.32) 0.573 (14.55) 0.055 (1.39) 0.045 (1.14) 0.600 (15.5) 0.580 (14.5)
PIN 1 2 3
TO-220AB (MBR20HxxCT)
0.415 (10.54) MAX. 0.140 (3.56) DIA. 0.130 (3.30)
0.131 (3.39) DIA. 0.122 (3.08)
0.676 (17.2) 0.646 (16.4) 0.350 (8.89) 0.330 (8.38)
0.635 (16.13) 0.625 (15.87)
0.350 (8.89) 0.330 (8.38)
0.191 (4.85) 0.171 (4.35) 0.560 (14.22) 0.530 (13.46) 0.060 (1.52)
PIN 1 PIN 3 PIN 2
1.148 (29.16) 1.118 (28.40) 0.110 (2.79) 0.100 (2.54) 0.560 (14.22) 0.530 (13.46)
0.110 (2.80) 0.100 (2.54)
PIN 1 PIN 3
PIN 2 CASE
0.105 (2.67) 0.095 (2.41)
0.037 (0.94) 0.027 (0.69)
0.022 (0.55) 0.014 (0.36)
0.105 (2.67) 0.095 (2.41) 0.104 (2.65) 0.096 (2.45) 0.035 (0.90) 0.028 (0.70) 0.205 (5.20) 0.195 (4.95) 0.022 (0.56) 0.014 (0.36)
0.205 (5.20) 0.195 (4.95)
Mounting Pad Layout TO-263AB
0.42 (10.66)
TO-263AB (MBRB20HxxCT)
0.411 (10.45) 0.380 (9.65) 0.245 (6.22) MIN K 0.055 (1.40) 0.047 (1.19) 0.624 (15.85) 1 K 2 0.591 (15.00) 0-0.01 (0-0.254) 0.110 (2.79) 0.090 (2.29) 0.037 (0.940) 0.027 (0.686) 0.105 (2.67) 0.095 (2.41)
PIN 1 PIN 2 K - HEATSINK
0.190 (4.83) 0.160 (4.06) 0.055 (1.40) 0.045 (1.14)
0.63 (17.02) 0.33 (8.38)
Dimensions in inches and (millimeters)
0.360 (9.14) 0.320 (8.13)
0.08 (2.032) 0.24 (6.096)
0.12 (3.05)
0.021 (0.53) 0.014 (0.36) 0.140 (3.56) 0.110 (2.79)
0.205 (5.20) 0.195 (4.95)
Features
* Plastic package has Underwriters Laboratory Flammability Classification 94 V-0 * Dual rectifier construction, positive center tap * Metal silicon junction, majority carrier conduction * Low forward voltage drop, low power loss and high efficiency * Guardring for overvoltage protection * For use in low voltage, high frequency inverters, free wheeling, and polarity protection applications * Rated for reverse surge and ESD * 175 C maximum operation junction temperature
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Mechanical Data
Case: JEDEC TO-220AB, ITO-220AB & TO-263AB molded plastic body Terminals: Plated leads, solderable per MIL-STD-750, Method 2026 Polarity: As marked Mounting Position: Any Mounting Torque: 10 in-lbs maximum Weight: 0.08 oz., 2.24 g
Document Number 88787 4-Feb-03
MBR20HxxCT, MBRF20HXXCT & MBRB20HxxCT Series
Vishay Semiconductors
formerly General Semiconductor
Maximum Ratings
Parameter
(TC = 25 C unless otherwise noted)
Symbol MBR20H35CT MBR20H45CT MBR20H50CT MBR20H60CT VRRM VRWM VDC Total device Per leg IF(AV) IFRM EAS IFSM IRRM ERSM VC dv/dt TJ TSTG VISOL 1.0 20 25 10,000 -65 to +175 -65 to +175 4500(1) 3500(2) 1500(3) 35 35 35 45 45 45 20 10 20 80 150 0.5 10 50 50 50 60 60 60
Unit V V V A A mJ A A mJ kV V/s C C V
Maximum repetitive peak reverse voltage Working peak reverse voltage Maximum DC blocking voltage Max. average forward rectified current (see fig. 1)
Peak repetitive forward current at TC = 150 C per leg (rated VR, 2.0KHz sq. wave) Non-repetitive avalanche energy per leg at 25 C, IAS = 4 A, L = 10 mH Peak forward surge current 8.3 ms single half sine-wave superimposed on rated load (JEDEC Method) per leg Peak repetitive reverse surge current per leg at tp = 2.0 s, 1 KHZ Peak non-repetitive reverse energy (8/20 s waveform) Electrostatic discharge capacitor voltage Human body model: C = 100 pF, R = 1.5 k Voltage rate of change (rated VR) Operating junction temperature range Storage temperature range RMS Isolation voltage (MBRF type only) from terminals to heatsink with t = 1.0 second, RH 30%
Electrical Characteristics (TC = 25 C unless otherwise noted)
Parameter Maximum instantaneous forward voltage per leg (4) at at at at IF = IF = IF = IF = 10 10 20 20 A A A A TJ = 25 C TJ = 125 C TJ = 25 C TJ =125 C TJ = 25 C TJ =125 C Symbol
MBR20H35CT, MBR20H45CT MBR20H50CT, MBR20H60CT
Typ - 0.49 - 0.62 - 4.0
Max 0.63 0.55 0.75 0.68 100 12
Typ - 0.57 - 0.68 - 2.0
Max 0.71 0.61 0.85 0.71 100 12
Unit
VF
V A mA
Maximum instantaneous reverse current at rated DC blocking voltage per leg(4)
IR
Thermal Characteristics (TC = 25 C unless otherwise noted)
Parameter Thermal resistance from junction to case per leg
Notes: (1) Clip mounting (on case), where lead does not overlap heatsink with 0.110" offset (2) Clip mounting (on case), where leads do overlap heatsink
Symbol RJC
MBR 2.0
MBRF 4.0
MBRB 2.0
Unit C/W
(3) Screw mounting with 4-40 screw, where washer diameter is 4.9 mm (0.19") (4) Pulse test: 300s pulse width, 1% duty cycle
Ordering Information
Product MBR20H35CT - MBR20H60CT MBRF20H35CT - MBRF20H60CT MBRB20H35CT - MBRB20H60CT Case TO-220AB ITO-220AB TO-263AB Package Code 45 45 31 45 81 Package Option Anti-Static tube, 50/tube, 2K/carton Anti-Static tube, 50/tube, 2K/carton 13" reel, 800/reel, 4.8K/carton Anti-Static tube, 50/tube, 2K/carton Anti-Static 13" reel, 800/reel, 4.8K/carton
Document Number 88787 4-Feb-03
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MBR20HxxCT, MBRF20HXXCT & MBRB20HxxCT Series
Vishay Semiconductors
formerly General Semiconductor
Ratings and Characteristic Curves (TA = 25C unless otherwise noted)
Fig. 1 - Forward Current Derating Curve
25 MBR, MBRB 175
Fig. 2 - Maximum Non-Repetitive Peak Forward Surge Current Per Leg
Peak Forward Surge Current (A)
TJ = TJ max. 8.3ms Single Half Sine-Wave (JEDEC Method)
Average Forward Current (A)
20
150
125 100 75 50 25
15
MBRF
10
5
0 0 25 50 75 100 125 150 175
1
10
100
Case Temperature (C)
Number of Cycles at 60 HZ
Fig. 3 - Typical Instantaneous Forward Characteristics Per Leg
Instantaneous Reverse Leakage Current (mA)
100 100
Fig. 4 - Typical Reverse Characteristics Per Leg
Instantaneous Forward Current (A)
10
10
TJ = 150C
1 TJ = 125C 0.1 0.01 MBR20H35CT -- MBR20H45CT MBR20H50CT -- MBR20H60CT TJ = 25C 0 20 40 60 80 100
TJ = 150C 1
TJ = 25C TJ = 125C
0.1 MBR20H35CT -- MBR20H45CT MBR20H50CT -- MBR20H60CT 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1
0.001
0.01
0.0001
Instantaneous Forward Voltage (V)
Percent of Rated Peak Reverse Voltage (%)
Fig. 5 - Typical Junction Capacitance Per Leg
1000
Fig. 6 - Typical Transient Thermal Impedance Per Leg
10
100
MBR20H35CT -- MBR20H45CT MBR20H50CT -- MBR20H60CT
Transeint Thermal Impedance (C/W)
pF - Junction Capacitance
TJ = 25C f = 1.0 MHZ Vsig = 50mVp-p
1
10 0.1 1 10 100
0.1 0.01
0.1
1
10
Reverse Voltage (V) Document Number 88787 4-Feb-03
t, Pulse Duration (sec.) www.vishay.com 3

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