ON MR4045P Automotive transient voltage suppressor Datasheet

MR4045
Automotive Transient
Voltage Suppressor
34 V – 45 V
Designed for Automotive Applications (Alternator) requiring
Reverse Avalanche Capability for use as Transient Voltage
Suppressor. Developed to suppress transients in automotive systems,
this device operates in the forward mode as Standard Rectifier or in
Reverse as Transient Voltage Suppressor for Centralized Protection.
For further information referring to Mounting or Operating
Conditions, contact your nearest ON Semiconductor Sales
Representative.
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N SUFFIX
(Anode to Cup)
P SUFFIX
(Cathode to Cup)
CASE 193A
Mechanical Characteristics
• Finish: 100% Tin Plated
•
All External Surfaces are Corrosion Resistant
Weight: 2.6 Grams (Approximately)
MARKING DIAGRAM
Packaging/Labeling
• Two Sealed Bags into a Cardboard Box
• Device Number Labeled on the Bag
Marking
• The Devices are Laser Marked on the Epoxy Surface
MAXIMUM RATING
Rating
Symbol
Value
DC Blocking Voltage
VR
30
Volts
Average Forward Current
(Single Phase, Resistive Load,
TC = 185°C)
IO
40
Amps
Peak Repetitive Reverse Surge Current
(Time Constant = 10 ms, TC = 25°C)
(Time Constant = 80 ms, TC = 25°C)
Unit
ORDERING INFORMATION
Amps
IRSM
IRSM
55
25
Non−Repetitive Peak Surge Current
(Halfwave, Single Phase, 50 Hz)
IFSM
500
Amps
Storage Temperature Range
Tstg
−40 to
+200
°C
Maximum Operating Junction
Temperature
TJ
200
°C
© Semiconductor Components Industries, LLC, 2006
September, 2006 − Rev. 2
NL
= Location Code
2N or 2P = Device Code and Polarity
YY
= Year
WW
= Work Week
###
= Assembly Lot Number
1
Device
Package
Shipping
MR4045N
Button Can
5000 Units/Box
MR4045P
Button Can
5000 Units/Box
Publication Order Number:
MR4045/D
MR4045
THERMAL CHARACTERISTICS
Characteristic
Symbol
Value
Unit
RθJC
0.4
°C/W
Thermal Resistance Junction to Case
ELECTRICAL CHARACTERISTICS
Characteristic
Symbol
Min
Max
Unit
vF
−
1.1
Volts
Instantaneous Forward Voltage (Note 1.) (IF = 100 Amps, TC = 25°C)
Reverse Current (Note 1.) (VR = 28 Vdc, TC = 25°C)
IR
−
1.0
mA
Breakdown Voltage (Note 1.) (IR = 100 mA, TC = 25°C)
V(BR)
34
45
Volts
Breakdown Voltage
(IR = 80 Amps, TC = 25°C, PW = 80 ms)
(IR = 80 Amps, TC = 85°C, PW = 80 ms)
V(BR)
−
−
53
55
Breakdown Voltage Temperature Coefficient
Volts
V(BR)TC
0.095*
%/°C
VFTC
−2*
mV/°C
Forward Voltage Temperature Coefficient (IF = 10 mA)
IF, INSTANTANEOUS FORWARD CURRENT (A)
1. Pulse Test: Pulse Width < 300 μs, Duty Cycle < 2%.
**Typical
IR, REVERSE CURRENT ( m A)
1000
1000
TJ = 200°C
100
150°C
10
100°C
1
0.1
25°C
0.01
0.001
0
10
20
30
VR, REVERSE VOLTAGE (V)
100
TJ = 200°C
10
1
150°C
100°C
500
25°C
800
900
1000
1100
Figure 2. Typical Forward Voltage
100
10000
PRSM, PEAK REVERSE POWER (W)
IRSM, PEAK REVERSE CURRENT (A)
700
VF, INSTANTANEOUS FORWARD VOLTAGE (mV)
Figure 1. Typical Reverse Current
TC = 25°C
10
600
1
10
100
1000
TC = 25°C
1000
100
1
10
100
t, TIME CONSTANT (mS)
t, TIME CONSTANT (mS)
Figure 3. Maximum Peak Reverse Current
Figure 4. Maximum Peak Reverse Power
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2
1000
W RSM, PEAK REVERSE ENERGY (J)
1000
TC = 25°C
100
10
1
1
10
100
1000
IF(avg), AVERAGE FORWARD CURRENT (A)
MR4045
60
50
40
30
20
10
0
100
120
140
160
180
200
t, TIME CONSTANT (mS)
TC, CASE TEMPERATURE (°C)
Figure 5. Maximum Reverse Energy
Figure 6. Maximum Current Rating
10000
2 Ohms
di/dt Limitation
100 mH
8000
7000
0 − 150 V
x mF
MR4045N
MR4045P
6000
Figure 8. Load Dump Test Circuit
5000
4000
0
5
10
15
20
VR, REVERSE VOLTAGE (V)
Figure 7. Typical Capacitance
100
di/dt < 1 A/ms
80
60
(%)
C, CAPACITANCE (pF)
9000
40
20
0
0
0.1
t (50%)
t (37%)
0.2
0.3
t (10%)
0.4
0.5
t (37%) = Time Constant
t (50%) = 0.7 t (37%)
t (10%) = 2.3 t (37%)
t, TIME (S)
Figure 9. Load Dump Pulse Current
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3
220
MR4045
PACKAGE DIMENSIONS
N SUFFIX
(Anode to Cup)
P SUFFIX
(Cathode to Cup)
CASE 193A−02
ISSUE A
A
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
DIM
A
B
C
D
E
F
D
F
B
E
MILLIMETERS
MIN
MAX
11.4
11.6
9.3
9.7
4.3
4.9
5.4
5.6
3.6
4.2
1.0
2.0
INCHES
MIN
MAX
0.449
0.457
0.366
0.382
0.169
0.193
0.213
0.220
0.142
0.165
0.039
0.079
C
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MR4045/D
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