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PDF MBRF2045CT Data sheet ( Hoja de datos )

Número de pieza MBRF2045CT
Descripción SWITCHMODE Schottky Power Rectifirer
Fabricantes Motorola Semiconductors 
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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Order this document
by MBRF2045CT/D
SWITCHMODE
Schottky Power Rectifier
The SWITCHMODE Power Rectifier employs the Schottky Barrier principle in
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.
Highly Stable Oxide Passivated Junction
Very Low Forward Voltage Drop
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
Electrically Isolated. No Isolation Hardware Required.
UL Recognized File #E69369(1)
2
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: 260°C Max. for 10
Seconds
Shipped 50 units per plastic tube
Marking: B2045
MAXIMUM RATINGS, PER LEG
Rating
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
Average Rectified Forward Current
(Rated VR), TC = 135°C
Peak Repetitive Forward Current Per Diode Leg
(Rated VR, Square Wave, 20 kHz), TC = 135°C
Non–repetitive Peak Surge Current
(Surge applied at rated load conditions halfwave, single phase, 60 Hz)
Peak Repetitive Reverse Surge Current (2.0 µs, 1.0 kHz)
Operating Junction and Storage Temperature
Voltage Rate of Change (Rated VR)
RMS Isolation Voltage (t = 1 second, R.H. 30%, TA = 25°C)(2)
Total Device
Per Figure 5
Per Figure 6(1)
Per Figure 7
THERMAL CHARACTERISTICS, PER LEG
Maximum Thermal Resistance, Junction to Case
Lead Temperature for Soldering Purposes: 1/8from Case for 5 seconds
(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.
Rev 1
©RMeoctotriofilea,rInDce. 1v9ic96e Data
MBRF2045CT
Motorola Preferred Device
SCHOTTKY BARRIER
RECTIFIER
20 AMPERES
45 VOLTS
11
2
3
3
CASE 221D–02
ISOLATED TO–220
Symbol
VRRM
VRWM
VR
IF(AV)
IFRM
IFSM
IRRM
TJ, Tstg
dv/dt
Viso1
Viso2
Viso3
Value
45
10
20
20
150
1.0
– 65 to +150
10000
4500
3500
1500
RθJC
TL
4.0
260
Unit
Volts
Amps
Amps
Amps
Amp
°C
V/µs
Volts
°C/W
°C
1

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