Download: Order this document SEMICONDUCTOR TECHNICAL DATA by MBRF2045CT/D
Order this document SEMICONDUCTOR TECHNICAL DATA by MBRF2045CT/D The SWITCHMODE Power Rectifier employs the Schottky Barrier principle in Motorola Preferred Device a large area metal–to–silicon power diode. State–of–the–art geometry features epitaxial construction with oxide passivation and metal overlay contact. Ideally suited for use as rectifiers in very low–voltage, high–frequency switching power supplies, free wheeling diodes and polarity protection diodes. SCHOTTKY BARRIER RECTIFIER • Highly Stable Oxide Passivated Junction 20 AMPERES • Very Low Forward Voltage Drop 45 VOLTS • Matched D...
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Order this document SEMICONDUCTOR TECHNICAL DATA by MBRF2045CT/D
The SWITCHMODE Power Rectifier employs the Schottky Barrier principle in Motorola Preferred Device a large area metal–to–silicon power diode. State–of–the–art geometry features epitaxial construction with oxide passivation and metal overlay contact. Ideally suited for use as rectifiers in very low–voltage, high–frequency switching power supplies, free wheeling diodes and polarity protection diodes. SCHOTTKY BARRIERRECTIFIER
• Highly Stable Oxide Passivated Junction 20 AMPERES • Very Low Forward Voltage Drop 45 VOLTS • Matched Dual Die Construction • High Junction Temperature Capability • High dv/dt Capability • Excellent Ability to Withstand Reverse Avalanche Energy Transients • Guardring for Stress Protection • Epoxy Meets UL94, VO at 1/8″ 1 1 • Electrically Isolated. No Isolation Hardware Required. 2 2 • 3UL Recognized File #E69369(1) 3 Mechanical Characteristics CASE 221D–02 • Case: Epoxy, Molded ISOLATED TO–220 • 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: B2045 MAXIMUM RATINGS, PER LEG Rating Symbol Value Unit Peak Repetitive Reverse Voltage VRRM 45 Volts Working Peak Reverse Voltage VRWM DC Blocking Voltage VR Average Rectified Forward Current IF(AV) 10 Amps (Rated VR), TC = 135°C Total Device 20 Peak Repetitive Forward Current Per Diode Leg IFRM 20 Amps (Rated VR, Square Wave, 20 kHz), TC = 135°C Non–repetitive Peak Surge Current IFSM 150 Amps (Surge applied at rated load conditions halfwave, single phase, 60 Hz) Peak Repetitive Reverse Surge Current (2.0 µs, 1.0 kHz) IRRM 1.0 Amp Operating Junction and Storage Temperature TJ, Tstg – 65 to +150 °C Voltage Rate of Change (Rated VR) dv/dt 10000 V/µs RMS Isolation Voltage (t = 1 second, R.H. ≤ 30%, TA = 25°C)(2) Per Figure 5 Viso1 4500 Volts Per Figure 6(1) Viso2 3500 Per Figure 7 Viso3 1500 THERMAL CHARACTERISTICS, PER LEG Maximum Thermal Resistance, Junction to Case RθJC 4.0 °C/W Lead Temperature for Soldering Purposes: 1/8″ from Case for 5 seconds TL 260 °C (1) UL Recognized mounting method is per Figure 6. (2) Proper strike and creepage distance must be provided. SWITCHMODE is a trademark of Motorola, Inc. Preferred devices are Motorola recommended choices for future use and best overall value. Rev1RMeoctotriofilea,r InDce. 1v9ic96e Data 1,ELECTRICAL CHARACTERISTICS, PER LEG
Characteristic Symbol Max Unit Maximum Instantaneous Forward Voltage (3) vF Volts (iF = 20 Amp, TC = 25°C) 0.84 (iF = 20 Amp, TC = 125°C) 0.72 (iF = 10 Amp, TC = 125°C) 0.57 Maximum Instantaneous Reverse Current (3) iR mA (Rated DC Voltage, TC = 25°C) 0.1 (Rated DC Voltage, TC = 125°C) 15 (3) Pulse Test: Pulse Width = 300 µs, Duty Cycle ≤ 2.0% 100 100 70 70 50 T 50J = 150°C TJ = 150°C30 100°C 20 25°C 10 10 7.0 7.0 100°C 5.0 5.0 25°C 3.0 3.0 2.0 2.0 1.0 1.0 0.7 0.7 0.5 0.5 0.3 0.3 0.2 0.2 0.1 0.10.2 0.4 0.6 0.8 1.0 1.2 1.4 0.2 0.4 0.6 0.8 1.0 1.2 1.4 vF, INSTANTANEOUS VOLTAGE (VOLTS) vF, INSTANTANEOUS VOLTAGE (VOLTS)Figure 1. Maximum Forward Voltage Figure 2. Typical Forward Voltage
100 200 TJ = 150°C 10 TJ = 125°C, VRRM MAY BE125°C APPLIED BETWEEN EACH ° 100 CYCLE OF SURGE100 C 1.0 75° 70C 0.1 50 25°C 0.01 30 0.001 20 0 10 20 30 40 50 1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 VR, REVERSE VOLTAGE (VOLTS) NUMBER OF CYCLES AT 60 HzFigure 3. Maximum Reverse Current Figure 4. Maximum Surge Capability
2 Rectifier Device Data I R, REVERSE CURRENT (mA) iF , INSTANTANEOUS FORWARD CURRENT (AMPS) I FSM , PEAK HALF-WAVE CURRENT (AMPS) iF , INSTANTANEOUS FORWARD CURRENT (AMPS),TEST CONDITIONS FOR ISOLATION TESTS*
MOUNTED MOUNTED MOUNTED FULLY ISOLATED FULLY ISOLATED FULLY ISOLATED CLIP PACKAGE CLIP PACKAGE 0.107″ MIN PACKAGE 0.107″ MIN LEADS LEADS LEADS HEATSINK HEATSINK HEATSINK 0.110″ MINFigure 5. Clip Mounting Position Figure 6. Clip Mounting Position Figure 7. Screw Mounting Position
for Isolation Test Number 1 for Isolation Test Number 2 for Isolation Test Number 3 * Measurement made between leads and heatsink with all leads shorted together.MOUNTING INFORMATION**
4–40 SCREW CLIP PLAIN WASHERHEATSINK
COMPRESSION WASHER NUT HEATSINK 8a. Screw–Mounted 8b. Clip–MountedFigure 8. Typical Mounting Techniques
Laboratory tests on a limited number of samples indicate, when using the screw and compression washer mounting technique, a screw torque of 6 to 8 in . lbs is sufficient to provide maximum power dissipation capability. The compression washer helps to maintain a constant pressure on the package over time and during large temperature excursions. Destructive laboratory tests show that using a hex head 4–40 screw, without washers, and applying a torque in excess of 20 in . lbs will cause the plastic to crack around the mounting hole, resulting in a loss of isolation capability. Additional tests on slotted 4–40 screws indicate that the screw slot fails between 15 to 20 in . lbs without adversely affecting the package. However, in order to positively ensure the package integrity of the fully isolated device, Motorola does not recommend exceeding 10 in . lbs of mounting torque under any mounting conditions. **For more information about mounting power semiconductors see Application Note AN1040.Rectifier Device Data 3
,PACKAGE DIMENSIONS
–T– SEATINGPLANE –B–F C NOTES:1. DIMENSIONING AND TOLERANCING PER ANSI S Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.Q U INCHES MILLIMETERS A DIM MIN MAX MIN MAX
A 0.621 0.629 15.78 15.97123B0.394 0.402 10.01 10.21 C 0.181 0.189 4.60 4.80H D 0.026 0.034 0.67 0.86
–Y– F 0.121 0.129 3.08 3.27K G 0.100 BSC 2.54 BSC H 0.123 0.129 3.13 3.27 J 0.018 0.025 0.46 0.64G K 0.500 0.562 12.70 14.27J L 0.045 0.060 1.14 1.52 NRN0.200 BSC 5.08 BSC L Q 0.126 0.134 3.21 3.40R 0.107 0.111 2.72 2.81 D 3 PL S 0.096 0.104 2.44 2.64
U 0.259 0.267 6.58 6.78 0.25 (0.010) MBMYSTYLE 3: PIN 1. ANODE 2. CATHODE 3. ANODECASE 221D–02
(ISOLATED TO–220)ISSUE D
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; JAPAN: Nippon Motorola Ltd.; Tatsumi–SPD–JLDC, 6F Seibu–Butsuryu–Center, P.O. Box 5405, Denver, Colorado 80217. 303–675–2140 or 1–800–441–2447 3–14–2 Tatsumi Koto–Ku, Tokyo 135, Japan. 81–3–3521–8315 Mfax: email is hidden – TOUCHTONE 602–244–6609 ASIA/PACIFIC: Motorola Semiconductors H.K. Ltd.; 8B Tai Ping Industrial Park, INTERNET: http://Design–NET.com 51 Ting Kok Road, Tai Po, N.T., Hong Kong. 852–26629298 4 ◊ RectifieMr BDReFvi2c0e4 5DCaTta/D]15
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