1Rectifier Device Data
. . . designed for use in switching power supplies, inverters and as free
wheeling diodes, these state–of–the–art devices have the following features:
•Ultrafast 100 Nanosecond Recovery Time
•175°C Operating Junction Temperature
•High Voltage Capability to 400 Volts
•Low Forward Voltage Drop
•High Temperature Glass Passivated Junction
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: U3040
MAXIMUM RATINGS
Rating Symbol Max Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
400 Volts
Average Rectified Forward Current
TC = 70°CIF(AV) 30 Amps
Peak Repetitive Forward Current
(Rated VR, Square Wave, 20 kHz) TC = 150°CIFRM 30 Amps
Non Repetitive Peak Surge Current
(Surge applied at rated load conditions halfwave, single phase, 60 Hz) IFSM 300 Amps
Operating Junction Temperature and Storage Temperature TJ, Tstg –65 to +175 °C
THERMAL CHARACTERISTICS
Thermal Resistance, Junction to Case RθJC 1.0 °C/W
ELECTRICAL CHARACTERISTICS
Instantaneous Forward Voltage (1)
@ IF = 30 Amps, TC = 100°C
@ IF = 30 Amps, TC = 25°C
VF1.4
1.5
Volts
Instantaneous Reverse Current (1)
@ Rated dc Voltage, TC = 100°C
@ Rated dc Voltage, TC = 25°C
IR6.0
35 mA
µA
Reverse Recovery Time
IF = 1.0 Amp, dI/dt = 15 Amp/µstRR 100 ns
(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.
Order this document
by MUR3040/D
SEMICONDUCTOR TECHNICAL DATA
Motorola, Inc. 1996
ULTRAFAST RECTIFIERS
30 AMPERES
400 VOLTS
CASE 340E–02, STYLE 1
1
3
4
Motorola Preferred Device
1
34
Rev 3
MUR3040
2Rectifier Device Data
TYPICAL ELECTRICAL CHARACTERISTICS
Figure 1. Typical Forward Voltage Figure 2. Typical Reverse Current
Figure 3. Current Derating, Case Figure 4. Current Derating, Ambient
VR, REVERSE VOLTAGE (VOLTS)
IR, REVERSE CURRENT ( AMPS)
VF, INSTANTANEOUS FORWARD VOLTAGE (mV)
iF, FORWARD CURRENT (AMPS)
TA, AMBIENT TEMPERATURE (
°
C)
100
10
1
1.51.31.10.90.70.50.30.1
150
°
C100
°
C
25
°
CTJ = 150
°
C
100
50 100 200 300 350 400
10
1
0.1
0.01
0
4
3
2
020 40 60 80 100 200
IN FREE AIR
WITH NO HEATSINK
dc
TC, CASE TEMPERATURE (
°
C)
30
140
25
20
15
10
5
0150 160 170 180
dc
iF, FORWARD CURRENT (AMPS)
iF, FORWARD CURRENT (AMPS)
µ
0.1 150 250
1000
100
°
C
25
°
C
35
1
120 140 160 180
MUR3040
3Rectifier Device Data
PACKAGE DIMENSIONS
JH
EC
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982
2. CONTROLLING DIMENSION: MILLIMETER.
STYLE 1:
PIN 1. CATHODE
3. ANODE
4. CATHODE
K
SL
UA
BQ
D
G
V
123
4DIM MIN MAX MIN MAX
INCHESMILLIMETERS
A––– 20.35 ––– 0.801
B14.70 15.20 0.579 0.598
C4.70 4.90 0.185 0.193
D1.10 1.30 0.043 0.051
E1.17 1.37 0.046 0.054
G10.80 11.10 0.425 0.437
H2.00 3.00 0.079 0.118
J0.50 0.78 0.020 0.031
K31.00 REF 1.220 REF
L––– 16.20 ––– 0.638
Q4.00 4.10 0.158 0.161
S17.80 18.20 0.701 0.717
U4.00 REF 0.157 REF
V1.75 REF 0.069
CASE 340E–02
ISSUE A
MUR3040
4Rectifier Device Data
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MUR3040/D
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