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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Order this document by MURH840CT/D
SWITCHMODE
• • • • • • • •
™ Power Rectifier
. . . designed for use in switching power supplies, inverters and as free wheeling diodes, these state–of–the–art devices have the following features: Ultrafast 28 Nanosecond Recovery Time 175°C Operating Junction Temperature Popular TO–220 Package Epoxy Meets UL94, VO @ 1/8″ High Temperature Glass Passivated Junction High Voltage Capability to 400 Volts Low Leakage Specified @ 150°C Case Temperature Current Derating @ Both Case and Ambient Temperatures
MURH840CT
Motorola Preferred Device
ULTRAFAST RECTIFIER 8.0 AMPERES 400 VOLTS
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: UH840 MAXIMUM RATINGS
Rating Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage Average Rectified Forward Current Total Device, (Rated VR), TC = 120°C Peak Repetitive Forward Current (Rated VR, Square Wave, 20 kHz), TC = 120°C Per Leg Total Device Per Diode Leg
4
1 2, 4 3
1 2 3
CASE 221A–06 TO–220AB
Symbol VRRM VRWM VR IF(AV) IFM IFSM WAVAL TJ, Tstg
Value 400
Unit Volts
4.0 8.0 16 100 20
Amps Amps Amps mJ °C
Nonrepetitive Peak Surge Current (Surge applied at rated load conditions halfwave, single phase, 60 Hz) Controlled Avalanche Energy Operating Junction Temperature and Storage Temperature
* 65 to +175
3.0
THERMAL CHARACTERISTICS, PER DIODE LEG
Maximum Thermal Resistance, Junction to Case RθJC °C/W
ELECTRICAL CHARACTERISTICS, PER DIODE LEG
Maximum Instantaneous Forward Voltage (1) (iF = 4.0 Amps, TC = 150°C) (iF = 4.0 Amps, TC = 25°C) Maximum Instantaneous Reverse Current (1) (Rated dc Voltage, TC = 150°C) (Rated dc Voltage, TC = 25°C) Maximum Reverse Recovery Time (IF = 1.0 Amp, di/dt = 50 Amps/µs) (1) Pulse Test: Pulse Width = 300 µs, Duty Cycle ≤ 2.0%. vF 1.9 2.2 iR 500 10 trr 28 ns µA Volts
SWITCHMODE is a trademark of Motorola, Inc.
Preferred devices are Motorola recommended choices for future use and best overall value. Rev 1
Device ©Rectifier Motorola, Inc. 1996 Data
1
MURH840CT
100 IR, REVERSE CURRENT ( µA) 1000 500 200 100 50 20 10 5 2 1 0.5 0.2 0.1 TJ = 150°C 100°C
50
20 i F, INSTANTANEOUS FORWARD CURRENT (AMP)
TJ = 150°C 100°C 25°C
25°C
10
0
50
100
150
200
250
300
350
400
5
VR, REVERSE VOLTAGE (VOLTS)
Figure 2. Typical Reverse Current, Per Leg
2 I F(AV) , AVERAGE FORWARD CURRENT (AMPS) 7 6 5 DC 4 3 2 1 0 0 20 40 80 100 120 140 160 60 TA, AMBIENT TEMPERATURE (°C) 180 200 SQUARE WAVE
1
0.5
0.2
0.1 0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
2.2
2.4
vF, INSTANTANEOUS VOLTAGE (VOLTS)
Figure 1. Typical Forward Voltage
Figure 3. Forward Current Derating, Ambient, Per Leg
I F, AVERAGE POWER DISSIPATION (WATTS)
10 RATED VR APPLIED C, CAPACITANCE (pF)
1000
8
100
6 SQUARE WAVE
DC
4 2
10
0 110
120
130 140 150 160 TC, CASE TEMPERATURE (°C)
170
180
1 0.01
0.1 1 10 VR, REVERSE VOLTAGE (VOLTS)
100
Figure 4. Current Derating, Case, Per Leg
Figure 5. Typical Capacitance, Per Leg
2
Rectifier Device Data
MURH840CT
PF(AV) , AVERAGE POWER DISSIPATION (WATTS) 20 18 16 14 12 10 8 6 4 2 0 1 2 3 4 5 6 7 8 9 IF(AV), AVERAGE FORWARD CURRENT (AMPS) 10 SQUARE WAVE DC
Figure 6. Forward Power Dissipation, Per Leg
Rectifier Device Data
3
MURH840CT
PACKAGE DIMENSIONS
–T– B
4
SEATING PLANE
F T S
C
NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. DIMENSION Z DEFINES A ZONE WHERE ALL BODY AND LEAD IRREGULARITIES ARE ALLOWED. DIM A B C D F G H J K L N Q R S T U V Z INCHES MIN MAX 0.570 0.620 0.380 0.405 0.160 0.190 0.025 0.035 0.142 0.147 0.095 0.105 0.110 0.155 0.018 0.025 0.500 0.562 0.045 0.060 0.190 0.210 0.100 0.120 0.080 0.110 0.045 0.055 0.235 0.255 0.000 0.050 0.045 ––– ––– 0.080 MILLIMETERS MIN MAX 14.48 15.75 9.66 10.28 4.07 4.82 0.64 0.88 3.61 3.73 2.42 2.66 2.80 3.93 0.46 0.64 12.70 14.27 1.15 1.52 4.83 5.33 2.54 3.04 2.04 2.79 1.15 1.39 5.97 6.47 0.00 1.27 1.15 ––– ––– 2.04
Q
1 2 3
A U K
H Z L V G D N R J
CASE 221A–06 (TO–220AB) ISSUE Y
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.