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PDF 1SMA4729 Datasheet ( Hoja de datos )

Número de pieza 1SMA4729
Descripción (1SMA4728 - 1SMA4764) 1.0 Watt Surface Mount Type Silicon Zener Diodes
Fabricantes Thinki Semiconductor 
Logotipo Thinki Semiconductor Logotipo

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1SMA4729 Hoja de datos, Descripción, Manual
1SMA4728 thru 1SMA4764
®
1SMA4728 thru 1SMA4764
Pb Free Plating Product
Pb
1.0 Watt Surface Mount Type Silicon Zener Diodes (3.3Volt thru 100Volt)
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 5.0µA above 11V
• Plastic package has Underwriters Laboratory Flammability
Classification 94V-O
• High temperature soldering : 260°C /10 seconds at terminals
• In compliance with EU RoHS 2002/95/EC directives
MECHANICALDATA
• Case: JEDEC DO-214AC,Molded plastic over passivated junction.
• Terminals: Solder plated,solderable per MIL-STD-750, Method 2026
• Polarity: Color band denotes positive end (cathode)
• Standard Packaging:12mm tape (EIA-481)
• Weight: 0.002 ounce, 0.064 gram
SMA/DO-214AC
Unit: inch (mm)
.181(4.60)
.157(4.00)
.012(.305)
.006(.152)
.060(1.52)
.030(0.76)
.008(.203)
.002(.051)
.208(5.28)
.188(4.80)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
Parameter
Pwak Pulse Power Dissipation on TA=50OC (Notes A)
Derate above 50OC
Peak Forward Surge Current 8.3ms single half sine-wave
superimposed on rated load (JEDEC method)
Operating Junction and Storage Temperature Range
Symbol
PD
IFSM
TJ,TSTG
Value
1.0
6.67
10
-55 to + 150
Units
W atts
mW/ OC
Amps
OC
NOTES:
A. Mounted on 5.0mm2 (.013mm thick) land areas.
B. Measured on8.3ms, and single half sine-wave or equivalent square wave ,duty cycle=4 pulses per minute maximum.
C. Tolerance and Type Number Designation. The type numbers listed have a standard tolerance on the nominal zener
voltage of ± 5%.
© 2006 Thinki Semiconductor Co.,Ltd.
Page 1/5
http://www.thinkisemi.com/
Free Datasheet http://www.datasheet4u.com/

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1SMA4729 pdf
1SMA4728 thru 1SMA4764
®
Vz, ZENER VOLTAGE (VOLTS)
FIGURE.9 TYPICAL CAPACITANCE versus Vz
FIGURE.8 TYPICAL LEAKAGE CURRENT
FIGURE.10 TYPICAL FORWARD CHARACTERISTICS
© 2006 Thinki Semiconductor Co.,Ltd.
Page 5/5
http://www.thinkisemi.com/
Free Datasheet http://www.datasheet4u.com/

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