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PDF MR4027 Fiche technique - ON Semiconductor

Numéro de référence MR4027
Description Automotive Transient Voltage Suppressor
Fabricant ON Semiconductor 
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MR4027 Datasheet, Description
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MR4027
Automotive Transient
Voltage Suppressor
20 V – 27 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.
Mechanical Characteristics
Finish: 100% Tin Plated
All External Surfaces are Corrosion Resistant
Weight: 2.6 Grams (Approximately)
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
DC Blocking Voltage
Average Forward Current
(Single Phase, Resistive Load,
TC = 185°C)
Peak Repetitive Reverse Surge Current
(Time Constant = 10 ms, TC = 25°C)
(Time Constant = 80 ms, TC = 25°C)
Non–Repetitive Peak Surge Current
(Halfwave, Single Phase, 50 Hz)
Storage Temperature Range
Symbol
VR
IO
IRSM
IRSM
IFSM
Tstg
Maximum Operating Junction
Temperature
TJ
Value
18
40
110
50
500
–40 to
+200
200
Unit
Volts
Amps
Amps
Amps
°C
°C
http://onsemi.com
N SUFFIX
(Anode to Cup)
P SUFFIX
(Cathode to Cup)
CASE 193A
MARKING DIAGRAM
NL = Location Code
1N or 1P = Device Code and Polarity
YY = Year
WW = Work Week
### = Assembly Lot Number
ORDERING INFORMATION
Device
MR4027N
Package
Button Can
Shipping
5000 Units/Box
MR4027P
Button Can 5000 Units/Box
© Semiconductor Components Industries, LLC, 2000
October, 2000 – Rev. 1
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Publication Order Number:
MR4027/D
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MR4027 Fiche technique
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MR4027
1000
100
TC = 25°C
10
1
1 10 100 1000
t, TIME CONSTANT (mS)
Figure 5. Maximum Reverse Energy
60
50
40
30
20
10
0
100
120 140 160 180 200
TC, CASE TEMPERATURE (°C)
Figure 6. Maximum Current Rating
220
10000
9000
8000
7000
6000
5000
4000
0
di/dt Limitation
2 Ohms
100 mH
5 10 15
VR, REVERSE VOLTAGE (V)
Figure 7. Typical Capacitance
0 – 150 V
x mF
MR4027N
MR4027P
Figure 8. Load Dump Test Circuit
20
100
di/dt < 1 A/ms
80
60
40
20
0
0 0.1
t (50%)
t (37%)
0.2 0.3
t (10%)
t, TIME (S)
0.4 0.5
t (37%) = Time Constant
t (50%) = 0.7 t (37%)
t (10%) = 2.3 t (37%)
Figure 9. Load Dump Pulse Current
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Un datasheet est un document fourni par le constructeur du composant, où figurent toutes les données techniques sur le produit: puissance dissipée, courant maximal, tension de seuil, tension de claquage, température de stockage, etc.


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