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PDF 1SMA4742 Data sheet ( Hoja de datos )

Número de pieza 1SMA4742
Descripción (1SMA4728 - 1SMA4764) SURFACE MOUNT SILICON ZENER DIODE
Fabricantes Pan Jit International 
Logotipo Pan Jit International Logotipo



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DATA SHEET
1SMA4728~1SMA4764
SURFACE MOUNT SILICON ZENER DIODE
VOLTAGE 3.3 to 100 Volts POWER 1.0 Watts
FEATURES
• For surface mounted applications in order to optimize board space.
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• 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
• Pb free product are available : 99% Sn above can meet Rohs
environment substance directive request
SMA/DO-214AC
Unit: inch (mm)
.181(4.60)
.157(4.00)
.012(.305)
.006(.152)
MECHANICALDATA
Case: JEDEC DO-214AC,Molded plastic over passivated junction.
Terminals: Solder plated,solderable per MIL-STD-202G, Method 208
Polarity: Color band denotes positive end (cathode)
Standard Packaging:12mm tape (EIA-481)
Weight: 0.002 ounce, 0.064 gram
.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.
Param eter
Pwak Pulse PowerD issipation on TA=50OC (Notes A)
D erate above 50OC
Peak Forward Surge C urrent8.3m s single halfsine-wave
superim posed on rated load (JED EC m ethod)
O perating Junction and Storage Tem perature Range
Sym bol
PD
IFS M
TJ,TS TG
Value
1.0
6.67
10
-55 to + 150
U nits
W atts
m W /OC
Am ps
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%.
STAD-JAN.27.2005
PAGE . 1

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1SMA4742 pdf
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Vz, ZENER VOLTAGE (VOLTS)
FIGURE.9 TYPICAL CAPACITANCE versus Vz
FIGURE.8 TYPICAL LEAKAGE CURRENT
FIGURE.10 TYPICAL FORWARD CHARACTERISTICS
STAD-JAN.27.2005
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