
1
Rectifier Device Data
SWITCHMODE Power Rectifier
. . . using the Schottky Barrier principle with a platinum barrier metal. These
state–of–the–art devices have the following features:
Dual Diode Construction — Terminals 1 and 3 may be Connected for
Parallel Operation at Full Rating
Guardring for Stress Protection
Low Forward Voltage
150°C Operating Junction Temperature
Guaranteed Reverse Avalanche
Mechanical Characteristics:
Case: Epoxy, Molded
Weight: 4.3 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 30 units per plastic tube
Marking: B3045
MAXIMUM RATINGS
Rating
Symbol
Maximum
Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
45
Volts
Average Rectified Forward Current
Per Device
(Rated VR) TC = 105°C
Per Diode
IF(AV)
30
15
Amps
Peak Repetitive Forward Current, Per Diode (Rated VR, Square Wave, 20 kHz)
IFRM
30
Amps
Nonrepetitive Peak Surge Current
(Surge applied at rated load conditions halfwave, single phase, 60 Hz)
IFSM
200
Amps
Peak Repetitive Reverse Current, Per Diode (2.0
s, 1.0 kHz) See Figure 6
IRRM
2.0
Amps
Operating Junction Temperature
TJ
*65 to +150
°C
Storage Temperature
Tstg
*65 to +175
°C
Peak Surge Junction Temperature (Forward Current Applied)
TJ(pk)
175
°C
Voltage Rate of Change (Rated VR)
dv/dt
10000
V/
s
THERMAL CHARACTERISTICS PER DIODE
Thermal Resistance, Junction to Case
R
θJC
1.4
°C/W
Thermal Resistance, Junction to Ambient
R
θJA
40
°C/W
ELECTRICAL CHARACTERISTICS PER DIODE
Instantaneous Forward Voltage (1)
(iF = 20 Amps, TC = 125°C)
(iF = 30 Amps, TC = 125°C)
(iF = 30 Amps, TC = 25°C)
vF
0.60
0.72
0.76
Volts
Instantaneous Reverse Current (1)
(Rated dc Voltage, TC = 125°C)
(Rated dc Voltage, TC = 25°C)
iR
100
1.0
mA
(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.
Motorola, Inc. 1999
Order this document
by MBR3045PT/D
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
1
3
2
4
MBR3045PT
SCHOTTKY BARRIER
RECTIFIER
30 AMPERES
45 VOLTS
CASE 340D–02
Motorola Preferred Device
1
3
4
2