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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Order this document by MBR735/D
SWITCHMODETM Power Rectifiers
. . . using the Schottky Barrier principle with a platinum barrier metal. These state-of-the-art devices have the following features: * * * * * Guardring for Stress Protection Low Forward Voltage 150C Operating Junction Temperature Guaranteed Reverse Avalanche Epoxy Meets UL94, VO at 1/8
MBR735 MBR745
MBR745 is a Motorola Preferred Device
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: 260C Max. for 10 Seconds * Shipped 50 units per plastic tube * Marking: B735, B745
3 1, 4
SCHOTTKY BARRIER RECTIFIERS 7.5 AMPERES 35 and 45 VOLTS
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1 3
CASE 221B-03 TO-220AC
MAXIMUM RATINGS
Rating Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage Average Rectified Forward Current (Rated VR) TC = 105C Peak Repetitive Forward Current (Rated VR, Square Wave, 20 kHz) TC = 105C Nonrepetitive Peak Surge Current (Surge applied at rated load conditions halfwave, single phase, 60 Hz) Peak Repetitive Reverse Surge Current (2.0 s, 1.0 kHz) Operating Junction Temperature Storage Temperature Voltage Rate of Change (Rated VR) Symbol VRRM VRWM VR IF(AV) IFRM IFSM IRRM TJ Tstg dv/dt MBR735 35 MBR745 45 Unit Volts
7.5 15 150 1.0
7.5 15 150 1.0
Amps Amps Amps Amp C C V/s
*65 to +150 *65 to +175
1000 3.0 60
*65 to +150 *65 to +175
10000 3.0 60
THERMAL CHARACTERISTICS
Maximum Thermal Resistance, Junction to Case Maximum Thermal Resistance, Junction to Ambient RJC RJA C/W C/W
ELECTRICAL CHARACTERISTICS
Maximum Instantaneous Forward Voltage (1) (iF = 7.5 Amps, TC = 125C) (iF = 15 Amps, TC = 125C) (iF = 15 Amps, TC = 25C) Maximum Instantaneous Reverse Current (1) (Rated dc Voltage, TC = 125C) (Rated dc Voltage, TC = 25C) (1) Pulse Test: Pulse Width = 300 s, Duty Cycle 2.0%. SWITCHMODE is a trademark of Motorola, Inc.
Preferred devices are Motorola recommended choices for future use and best overall value.
vF 0.57 0.72 0.84 iR 15 0.1 15 0.1 0.57 0.72 0.84
Volts
mA
Rev 1
(c)RectifierInc. 1996 Data Motorola, Device
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MBR735 MBR745
i F, INSTANTANEOUS FORWARD CURRENT (AMPS) 50 30 20 75C 10 7.0 5.0 3.0 2.0 1.0 0.7 0.5 0.2 0.4 0.6 0.8 1.0 1.2 iF, INSTANTANEOUS FORWARD VOLTAGE (VOLTS) TJ = 125C 25C IR , REVERSE CURRENT (mA) 10 125C 1.0 100C 75C 0.1 100 TJ = 150C
0.01
25C
0.001 0 10 20 30 40 50 VR, REVERSE VOLTAGE (VOLTS)
Figure 1. Typical Forward Voltage
Figure 2. Typical Reverse Current
IF(AV) , AVERAGE FORWARD CURRENT (AMPS)
I F(AV) , AVERAGE FORWARD CURRENT (AMPS)
8.0 7.0 6.0 5.0 180 SQUARE WAVE 4.0 3.0 2.0 1.0 0 100 110 120 130 140 150 TC, CASE TEMPERATURE (C) RATED VOLTAGE APPLIED RqJC = 3.0C/W dc
8.0 RATED VOLTAGE APPLIED 7.0 6.0 5.0 4.0 180 SQUARE WAVE 3.0 2.0 1.0 0 0 20 40 60 80 100 120 140 160 TA, AMBIENT TEMPERATURE (C) dc dc RqJA = 16C/W RqJA = 60C/W (No Heat Sink)
Figure 3. Current Derating, Case
Figure 4. Current Derating, Ambient
7.0 PF(AV) , AVERAGE FORWARD POWER DISSIPATION (WATTS) 180X 6.0 5.0 4.0 3.0 2.0 1.0 0 0 2.0 4.0 6.0 8.0 10 12 14 16 18 20 IF(AV), AVERAGE FORWARD CURRENT (AMPS) 180 dc
Figure 5. Power Dissipation
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Rectifier Device Data
MBR735 MBR745
PACKAGE DIMENSIONS
C B Q
4
F
T
S
NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. DIM A B C D F G H J K L Q R S T U INCHES MIN MAX 0.595 0.620 0.380 0.405 0.160 0.190 0.025 0.035 0.142 0.147 0.190 0.210 0.110 0.130 0.018 0.025 0.500 0.562 0.045 0.060 0.100 0.120 0.080 0.110 0.045 0.055 0.235 0.255 0.000 0.050 MILLIMETERS MIN MAX 15.11 15.75 9.65 10.29 4.06 4.82 0.64 0.89 3.61 3.73 4.83 5.33 2.79 3.30 0.46 0.64 12.70 14.27 1.14 1.52 2.54 3.04 2.04 2.79 1.14 1.39 5.97 6.48 0.000 1.27
A U
1 3
H K
L G
D J
R
CASE 221B-03 (TO-220AC) ISSUE B
Rectifier Device Data
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MBR735 MBR745
Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding 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" must be validated for each customer application by customer's technical experts. Motorola does not convey any license under its patent rights nor the rights of others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola 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 Motorola was negligent regarding the design or manufacture of the part. Motorola and are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer. Mfax is a trademark of Motorola, Inc. How to reach us: USA / EUROPE / Locations Not Listed: Motorola Literature Distribution; P.O. Box 5405, Denver, Colorado 80217. 303-675-2140 or 1-800-441-2447 JAPAN: Nippon Motorola Ltd.: SPD, Strategic Planning Office, 4-32-1, Nishi-Gotanda, Shinagawa-ku, Tokyo 141, Japan. 81-3-5487-8488
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Rectifier Device Data MBR735/D

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