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1SMA4740 Datasheet(PDF) 1 Page - Taiwan Semiconductor Company, Ltd

Part No. 1SMA4740
Description  1.25 Watts Surface Mount Silicon Zener Diode
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Maker  TSC [Taiwan Semiconductor Company, Ltd]
Homepage  http://www.taiwansemi.com
Logo TSC - Taiwan Semiconductor Company, Ltd

1SMA4740 Datasheet(HTML) 1 Page - Taiwan Semiconductor Company, Ltd

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Dimensions in inches and (millimeters)
- 586 -
Version: C08
1SMA4737 - 1SMA200Z
1.25 Watts Surface Mount Silicon Zener Diode
SMA/DO-214AC
Features
For surface mounted applications in order to
optimize board space
Low profile package
Built-in strain relief
Glass passivated junction
Low inductance
Typical IR less than 5.0uA above 7.5V
High temperature soldering guaranteed:
260
oC / 10 seconds at terminals
Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
Mechanical Data
Case: Molded plastic over passivated junction
Terminals: Pure tin plated lead free,
solderable per MIL-STD-750, Method 2025
Polarity:Color Band denotes positive end
(cathode)
Standard packaging: 12mm tape (EIA-481)
Weight: 0.002 ounces, 0.064 gram
Maximum Ratings and Electrical Characteristics
Rating at 25
oC ambient temperature unless otherwise specified.
Type Number
Symbol
Value
Units
Power Dissipation, RthJA<30 K/W, Tamb=60
oC
PD
3.0
Watts
Power Dissipation, RthJA<100 K/W, Tamb=25
oC
PD
1.25
Watts
Non Repetitive Peak Surge Power Dissipation(Note 1)
PZSM
60
Watts
Non Repetitive Peak Forward Surge Current, 8.3 ms
Single Half Sine-wave Superimposed on Rated Load
(JEDEC method)
IFSM
10.0
Amps
Operating and Storage Temperature Range
TJ, TSTG
-55 to + 150
oC
Notes:
1. Non Repetitive Peak surge PD Test Conditions: tp=100uS sq. pulse, Tj=25
oC prior to surge.


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