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PDF 1SMA78CAT3 Data sheet ( Hoja de datos )

Número de pieza 1SMA78CAT3
Descripción 400 Watt Peak Power Zener Transient Voltage Suppressors
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1SMA10CAT3 Series
400 Watt Peak Power Zener
Transient Voltage
Suppressors
Bidirectional*
The SMA series is designed to protect voltage sensitive
components from high voltage, high energy transients. They have
excellent clamping capability, high surge capability, low zener
impedance and fast response time. The SMA series is supplied in
ON Semiconductor’s exclusive, cost-effective, highly reliable
www.DataSheet4SUu.crmometicpackage and is ideally suited for use in communication
systems, automotive, numerical controls, process controls, medical
equipment, business machines, power supplies and many other
industrial/consumer applications.
Specification Features
Working Peak Reverse Voltage Range − 10 V to 78 V
Standard Zener Breakdown Voltage Range − 11.7 V to 91.3 V
Peak Power − 400 Watts @ 1 ms
ESD Rating of Class 3 (> 16 kV) per Human Body Model
Response Time is Typically < 1 ns
Flat Handling Surface for Accurate Placement
Package Design for Top Slide or Bottom Circuit Board Mounting
Low Profile Package
Pb−Free Packages are Available
Mechanical Characteristics:
CASE: Void-free, transfer-molded plastic
FINISH: All external surfaces are corrosion resistant and leads are
readily solderable
MAXIMUM CASE TEMPERATURE FOR SOLDERING PURPOSES:
260°C for 10 Seconds
POLARITY: Cathode polarity notch does not indicate polarity
MOUNTING POSITION: Any
© Semiconductor Components Industries, LLC, 2004
April, 2004 − Rev. 6
1
http://onsemi.com
PLASTIC SURFACE MOUNT
ZENER OVERVOLTAGE
TRANSIENT SUPPRESSORS
10−78 V VR
400 W PEAK POWER
SMA
CASE 403B
PLASTIC
MARKING DIAGRAM
xxC
LLYWW
xxC = Specific Device Code
= (See Table Next Page)
LL = Assembly Location
Y = Year
WW = Work Week
ORDERING INFORMATION
Device*
Package
Shipping
1SMAxxCAT3
SMA
5000/Tape & Reel
1SMAxxCAT3G
SMA 5000/Tape & Reel
(Pb−Free)
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
Individual devices are listed on page 3 of this data sheet.
*The “T3” suffix refers to a 13 inch reel.
Publication Order Number:
1SMA10CAT3/D

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1SMA78CAT3 pdf
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1SMA10CAT3 Series
OUTLINE DIMENSIONS
SMA
CASE 403B−02
ISSUE C
S
A
DB
POLARITY INDICATOR OPTIONAL
AS NEEDED
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. 403B−01 OBSOLETE, NEW STANDARD 403B−02.
INCHES
DIM MIN MAX
A 0.160 0.180
B 0.090 0.115
C 0.075 0.095
D 0.050 0.064
H 0.002 0.006
J 0.006 0.016
K 0.030 0.060
S 0.190 0.220
MILLIMETERS
MIN MAX
4.06 4.57
2.29 2.92
1.91 2.41
1.27 1.63
0.05 0.15
0.15 0.41
0.76 1.52
4.83 5.59
C
K JH
SOLDERING FOOTPRINT*
4.0
0.157
2.0
0.0787
2.0
0.0787
ǒ ǓSCALE 8:1
mm
inches
*For additional information on our Pb−Free strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
http://onsemi.com
5

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