1Rectifier Device Data
. . . 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
•Popular TO–247 Package
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 W ave, 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 µs, 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/µs
THERMAL CHARACTERISTICS (Per Diode)
Thermal Resistance— Junction to Case
— Junction to Ambient RθJC
RθJA 1.4
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)
vF0.6
0.72
0.76
Volts
Instantaneous Reverse Current (1)
(Rated dc Voltage, TC = 125°C)
(Rated dc Voltage, TC = 25°C)
iR100
1.0
mA
(1) Pulse Test: Pulse Width = 300 µs, 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 MBR3045WT/D
SEMICONDUCTOR TECHNICAL DATA
1
32, 4
SCHOTTKY BARRIER
RECTIFIER
30 AMPERES
45 VOLTS
CASE 340F–03
TO–247AC
Motorola Preferred Device
13
2
MBR3045WT
2Rectifier Device Data
0
vF, INSTANTANEOUS FORWARD VOLTAGE (VOLTS)
10
0.1
VR, REVERSE VOLTAGE (VOLTS)
200
0.1
0.01
100.2
, INSTANTANEOUS FORWARD CURRENT (AMPS)iF
0.4 0.6
100
5.0 50
1.0
0.8 1.4
Figure 1. Typical Forward Voltage Figure 2. Typical Reverse Current
15 3025 35
7060
TC, CASE TEMPERATURE (
°
C)
15
10
5.0
0
IF(AV), AVERAGE FORW ARD CURRENT (AMPS)
200
20
10
5.0
01080
, A VERAGE FORWARD CURRENT (AMPS)IF(AV)
90 110100
20
5.0 40
15
PF(AV), AVERAGE FORWARD POWER DISSIPATION (W ATTS)
120 140130
Figure 3. Current Derating (Per Leg) Figure 4. Forward Power Dissipation (Per Leg)
15 3025 35
50
30
20
, REVERSE CURRENT (mA)IR
100
10
dc
SQUARE
WAVE
(CAPACITIVE LOAD)IPK
IAV
+
20,10, 5
0.10.05
VR, REVERSE VOLTAGE (VOLTS)
1000
700
600
400
300 0.2
C, CAPACITANCE (pF)
0.5 2.01.0
3000
5.0 5010
Figure 5. Capacitance
500
2000
900
800
Figure 6. Test Circuit for Repetitive Reverse
Current
2.0
µ
s
1.0 kHz
12 V 100
VCC 12 Vdc
2N2222
CURRENT
AMPLITUDE
ADJUST
0–10 AMPS
100
W
CARBON
2N6277
1.0 CARBON
1N5817
D.U.T.
2.0 k
Ω
+150 V, 10 mAdc
4.0
µ
F
+
20
1.0 1.2
1.0
5.0
3.0
2.0
0.5
0.3
0.2
TJ = 150
°
C25
°
C
40 45
TJ = 150
°
C
25
°
C
SINE W AVE
RESISTIVE LOAD
TJ = 125
°
C
160150
dc
SQUARE
WAVE
(CAPACITIVE LOAD)IPK
IAV
+
20,10, 5
IPK
IAV
+
p
(RESISTIVE LOAD)
125
°
C
100
°
C
75
°
C
MBR3045WT
3Rectifier Device Data
PACKAGE DIMENSIONS
CASE 340F–03
(TO–247AC)
ISSUE F
DIM
AMIN MAX MIN MAX
INCHES
20.40 20.90 0.803 0.823
MILLIMETERS
B15.44 15.95 0.608 0.628
C4.70 5.21 0.185 0.205
D1.09 1.30 0.043 0.051
E1.50 1.63 0.059 0.064
F1.80 2.18 0.071 0.086
G5.45 BSC 0.215 BSC
H2.56 2.87 0.101 0.113
J0.48 0.68 0.019 0.027
K15.57 16.08 0.613 0.633
L7.26 7.50 0.286 0.295
P3.10 3.38 0.122 0.133
Q3.50 3.70 0.138 0.145
R3.30 3.80 0.130 0.150
U5.30 BSC 0.209 BSC
V3.05 3.40 0.120 0.134
R
P
A
K
V
F
DG
UL
E
0.25 (0.010) MTBM
0.25 (0.010) MYQS
JH
C
4
123
–T–
–B–
–Y–
–Q–
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
MBR3045WT
4Rectifier Device Data
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
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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
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MBR3045WT/D
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