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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Order this document by MBRS1540T3/D
Advance Information Surface Mount Schottky Power Rectifier
SMB Power Surface Mount Package
. . . employing the Schottky Barrier principle in a metal-to-silicon power rectifier. Features epitaxial construction with oxide passivation and metal overlay contact. Ideally suited for low voltage, high frequency switching power supplies; free wheeling diodes and polarity protection diodes. * * * * Compact Package with J-Bend Leads Ideal for Automated Handling Highly Stable Oxide Passivated Junction Guardring for Over-Voltage Protection Low Forward Voltage Drop
MBRS1540T3
SCHOTTKY BARRIER RECTIFIER 1.5 AMPERES 40 VOLTS
Mechanical Characteristics: * Case: Molded Epoxy * Epoxy Meets UL94, VO at 1/8 * Weight: 95 mg (approximately) * Polarity: Notch in Plastic Body Indicates Cathode Lead * Lead and Mounting Surface Temperature for Soldering Purposes: 260C Max. for 10 Seconds * Available in 12 mm Tape, 2500 Units per 13 Reel, Add "T3" Suffix to Part Number * Finish: All External Surfaces Corrosion Resistant and Terminal Leads are Readily Solderable * Marking: BGJ MAXIMUM RATINGS
Rating Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage Average Rectified Forward Current (At Rated VR, TC = 100C) Peak Repetitive Forward Current (At Rated VR, Square Wave, 100 kHz, TC = 105C) Non-Repetitive Peak Surge Current (Surge applied at rated load conditions, halfwave, single phase, 60 Hz) Storage / Operating Case Temperature Operating Junction Temperature Voltage Rate of Change (Rated VR, TJ = 25C) Symbol VRRM VRWM VR IO IFRM IFSM Tstg, TC TJ dv/dt Value 40
CASE 403A-03 SMB
Unit Volts
1.5 3.0 40 - 55 to +150 - 55 to +125 10,000
Amps Amps Amps C C V/ms
THERMAL CHARACTERISTICS
Thermal Resistance -- Junction-to-Lead (2) Thermal Resistance -- Junction-to-Ambient (2) RJL RJA 24 80 C/W
ELECTRICAL CHARACTERISTICS
Maximum Instantaneous Forward Voltage (1) see Figure 2 Maximum Instantaneous Reverse Current see Figure 4 (VR = 40 V) (VR = 20 V) (IF = 1.5 A) (IF = 3.0 A) IR VF TJ = 25C 0.46 0.54 TJ = 25C 0.8 0.1 TJ = 125C 0.39 0.54 TJ = 100C 5.7 1.6 mA Volts
This document contains information on a new product. Specifications and information herein are subject to change without notice.
(1) Pulse Test: Pulse Width 250 s, Duty Cycle 2.0%. (2) Mounted with minimum recommended pad size, PC Board FR4.
(c)RectifierInc. 1997 Data Motorola, Device
1
MBRS1540T3
IF, INSTANTANEOUS FORWARD CURRENT (AMPS) IF, INSTANTANEOUS FORWARD CURRENT (AMPS) 100 100
10
10
TJ = 125C 1.0 100C - 40C 0.1 0.1 0.3 0.5
25C
TJ = 125C 1.0 100C 25C 0.1 0.1 0.3 0.5 0.7 0.9 VF, MAXIMUM INSTANTANEOUS FORWARD VOLTAGE (VOLTS)
0.7
0.9
VF, INSTANTANEOUS FORWARD VOLTAGE (VOLTS)
Figure 1. Typical Forward Voltage
Figure 2. Maximum Forward Voltage
100E-3 IR , REVERSE CURRENT (AMPS)
100E-3 IR , MAXIMUM REVERSE CURRENT (AMPS)
10E-3
TJ = 125C
10E-3
TJ = 125C
1.0E-3 100C
1.0E-3
100C
100E-6
100E-6
25C
10E-6
25C
10E-6
1.0E-6 0 10 20 30 40 VR, REVERSE VOLTAGE (VOLTS)
1.0E-6 0 10 20 30 40 VR, REVERSE VOLTAGE (VOLTS)
Figure 3. Typical Reverse Current
Figure 4. Maximum Reverse Current
IO , AVERAGE FORWARD CURRENT (AMPS)
FREQ = 20 kHz dc 2.0 SQUARE WAVE 1.5 Ipk/Io = p Ipk/Io = 5.0 Ipk/Io = 10 0.5 0 25 45 65 85 105 125 TL, LEAD TEMPERATURE (C) Ipk/Io = 20
PFO , AVERAGE POWER DISSIPATION (WATTS)
2.5
1.2 dc 1.0 0.8 Ipk/Io = 5.0 0.6 0.4 0.2 0 0 0.5 1.0 1.5 2.0 2.5 IO, AVERAGE FORWARD CURRENT (AMPS) Ipk/Io = 10 Ipk/Io = 20 SQUARE WAVE Ipk/Io = p
1.0
Figure 5. Current Derating
Figure 6. Forward Power Dissipation
2
Rectifier Device Data
MBRS1540T3
TJ , DERATED OPERATING TEMPERATURE ( C) 1000 TJ = 25C C, CAPACITANCE (pF) 125 115 43C/W 105 95 85 93C/W 75 65 0 5.0 10 15 20 25 30 35 40 VR, DC REVERSE VOLTAGE (VOLTS) 63C/W 80C/W Rtja = 24C/W
100
10 0 5.0 10 15 20 25 30 35 40 VR, REVERSE VOLTAGE (VOLTS)
Figure 7. Capacitance
Figure 8. Typical Operating Temperature Derating*
R T, TRANSIENT THERMAL RESISTANCE (NORMALIZED)
* Reverse power dissipation and the possibility of thermal runaway must be considered when operating this device under any reverse voltage conditions. Calculations of TJ therefore must include forward and reverse power effects. The allowable operating TJ may be calculated from the equation: TJ = TJmax - r(t)(Pf + Pr) where r(t) = thermal impedance under given conditions, Pf = forward power dissipation, and Pr = reverse power dissipation This graph displays the derated allowable TJ due to reverse bias under DC conditions only and is calculated as TJ = TJmax - r(t)Pr, where r(t) = Rthja. For other power applications further calculations must be performed. 1.0E+00 50% 1.0E-01 20% 10% 5.0% 2.0% 1.0% 1.0E-03 Rtjl(t) = Rtjl*r(t) 1.0E-04 0.00001 0.0001 0.001 0.01 0.1 t, TIME (s) 1.0 10 100 1000
1.0E-02
Figure 9. Thermal Response -- Junction to Case
R T, TRANSIENT THERMAL RESISTANCE (NORMALIZED) 1.0E+00 50% 20% 10% 5.0% 2.0%
1.0E-01
1.0E-02
1.0E-03
1.0%
Rtjl(t) = Rtjl*r(t)
1.0E-04 0.00001 0.0001 0.001 0.01 0.1 t, TIME (s) 1.0 10 100 1000
Figure 10. Thermal Response -- Junction to Ambient
Rectifier Device Data
3
MBRS1540T3
0.089 2.261 0.108 2.743 0.085 2.159
inches mm
SMB PACKAGE DIMENSIONS
S A
NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. D DIMENSION SHALL BE MEASURED WITHIN DIMENSION P.
D
B
C
INCHES DIM MIN MAX A 0.160 0.180 B 0.130 0.150 C 0.075 0.095 D 0.077 0.083 H 0.0020 0.0060 J 0.006 0.012 K 0.030 0.050 P 0.020 REF S 0.205 0.220
MILLIMETERS MIN MAX 4.06 4.57 3.30 3.81 1.90 2.41 1.96 2.11 0.051 0.152 0.15 0.30 0.76 1.27 0.51 REF 5.21 5.59
K
P
J
H
CASE 403A-03 ISSUE B
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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MBRS1540T3/D Rectifier Device Data

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