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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
Surmetic package 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
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PLASTIC SURFACE MOUNT
ZENER OVERVOLTAGE
TRANSIENT SUPPRESSORS
10−78 V V
R
400 W PEAK POWER
SMA
CASE 403B
PLASTIC
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
MARKING DIAGRAM
xxC
LLYWW
xxC = Specific Device Code
LL = Assembly Location
Y = Year
WW = Work Week
ORDERING INFORMATION
Device
1SMAxxCAT3
1SMAxxCAT3G
†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.
= (See Table Next Page)
*
Package
SMA
SMA
(Pb−Free)
Shipping
5000/Tape & Reel
5000/Tape & Reel
†
Semiconductor Components Industries, LLC, 2004
April, 2004 − Rev. 6
1 Publication Order Number:
1SMA10CAT3/D
1SMA10CAT3 Series
MAXIMUM RATINGS
Rating Symbol Value Unit
Peak Power Dissipation (Note 1)
= 25°C, Pulse Width = 1 ms
@ T
L
DC Power Dissipation @ TL = 75°C
Measured Zero Lead Length (Note 2)
Derate Above 75°C
Thermal Resistance from Junction−to−Lead
DC Power Dissipation (Note 3) @ TA = 25°C
Derate Above 25°C
Thermal Resistance from Junction−to−Ambient
Operating and Storage Temperature Range TJ, T
Maximum ratings are those values beyond which device damage can occur . Maximum ratings applied to the device are individual stress limit
values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied, damage may occur and reliability may be affected.
1. 10 X 1000 s, non−repetitive
2. 1″ square copper pad, FR−4 board
3. FR−4 board, using ON Semiconductor minimum recommended footprint, as shown in 403B case outline dimensions spec.
*Please see 1SMA5.0AT3 to 1SMA78AT3 for Unidirectional devices.
P
PK
P
D
R
JL
P
D
R
JA
stg
400 W
1.5
20
50
0.5
4.0
250
W
mW/°C
°C/W
W
mW/°C
°C/W
−65 to +150 °C
ELECTRICAL CHARACTERISTICS
(TA = 25°C unless otherwise noted)
Symbol
I
PP
V
C
V
RWM
I
R
V
BR
I
T
Maximum Reverse Peak Pulse Current
Clamping Voltage @ I
Working Peak Reverse Voltage
Maximum Reverse Leakage Current @ V
Breakdown Voltage @ I
Test Current
Parameter
PP
T
RWM
BR
V
RWM
VCV
Bi−Directional TVS
I
I
PP
I
T
I
R
I
V
RWM
V
R
I
T
I
PP
BR
V
V
C
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