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1SMA5945 Datasheet, PDF (1/3 Pages) List of Unclassifed Manufacturers – Surface Mount Silicon Zener Diode
Product specification
1SMA5945
Features
ESD Rating of Class 3 ( 16 kV) per Human Body Model
Flat Handling Surface for Accurate Placement
Low Profile Package
● Pb-Free Packages are Available
● Maximum Lead Temperature for Soldering Purposes
for 10 seconds: 260 ℃
DO-214AC(SMA)
2.126
1.397
2
4.597
3.988
2.896 2.22
1
2.489 2.02
Unit: mm
4.32
4.12
5.668
4.925
2.438
1.981
2.75
2.55
5.87
5.67
Recommended
Land Pattern
1.524
0.762
0.203
0.051
0.305
0.152
Absolute Maximum Ratings Ta = 25
Parameter
DC Power Dissipation @ TL = 75 *
Derate above 75
DC Power Dissipation @ TA = 25 *
Derate above 25
Thermal Resistance, Junction-to-Ambient
Thermal Resistance, Junction-to-Lead
Operating and Storage Temperature Range
Symbol
PD
PD
R èJA
R èJLL
TJ, Tstg
Rating
1.5
20
0.5
4.0
250
50
-65 to +150
* FR4 Board, using Motorola minimum recommended footprint, as shown in case 403B
outline dimensions spec.
Unit
W
mW/
W
mW/
/W
/W
Electrical Characteristics (TA = 25 unless otherwise noted, VF = 1.5 V Max. @ IF = 200 mA for all types)
Zener Voltage *2
Zener Impedance
Leakage Current
Device *1
VZ (Volts)
@IZT ZZT @ IZT
ZZK @ IZK
IR @ VR
1SMA5945
Min Nom Max
mA
68
64.60 71.40
5.5
mA
120
1700
0.25
A
Volts
1.0
51.7
*1 Tolerance and Voltage Regulation Designation The type number listed indicates a tolerance of 5%.
*2 VZ limits are to be guaranteed at thermal equilibrium.
IZM
mA(dc)
22
■ Marking
Marking
1SMA5945
http://www.twtysemi.com
sales@twtysemi.com
4008-318-123
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