Homedatasheet1SMA12CA

1SMA12CA Datasheet

Zener Transient Voltage Suppressors
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Features, Applications
1SMA10CAT3 Series 400 Watt Peak Power Zener Transient Voltage Suppressors

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 SurmeticTM 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.

PLASTIC SURFACE MOUNT ZENER OVERVOLTAGE TRANSIENT SUPPRESSORS 400 W PEAK POWER

Working Peak Reverse Voltage Range 78 V Standard Zener Breakdown Voltage Range 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

POLARITY: Cathode polarity notch does not indicate polarity MOUNTING POSITION: Any
xxC WW = Specific Device Code = (See Table Next Page) = Assembly Location = Year = Work Week
Device* 1SMAxxCAT3 1SMAxxCAT3G Package SMA (Pb-Free) Shipping 5000/Tape & Reel 5000/Tape & Reel

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.

Rating Peak Power Dissipation (Note = 25�C, Pulse Width ms DC Power Dissipation = 75�C Measured Zero Lead Length (Note 2) Derate Above 75�C Thermal Resistance from Junction-to-Lead DC Power Dissipation (Note = 25�C Derate Above 25�C Thermal Resistance from Junction-to-Ambient Operating and Storage Temperature Range Symbol PPK PD Value to +150 Unit W mW/�C �C/W W mW/�C �C/W �C

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. X 1000 ms, 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 to 1SMA78AT3 for Unidirectional devices.

(TA = 25�C unless otherwise noted) Symbol IPP VC VRWM IR VBR IT Parameter Maximum Reverse Peak Pulse Current Clamping Voltage @ IPP Working Peak Reverse Voltage Maximum Reverse Leakage Current @ VRWM Breakdown Voltage @ IT Test Current IPP IT VC VBR VRWM IR VRWM VBR IT I IPP

4. A transient suppressor is normally selected according to the working peak reverse voltage (VRWM), which should be equal to or greater than the DC or continuous peak operating voltage level 5. VBR measured at pulse test current at an ambient temperature 25�C 6. Surge current waveform per Figure 2 and derate per Figure 3 * The "G" suffix indicates Pb-Free package available.


Features

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Manufacturer information

ON SEMICONDUCTOR

ON Semiconductor - ON Semiconductor (Nasdaq: ON) is driving energy efficient innovations, empowering customers to reduce global energy use. The company offers a comprehensive portfolio of energy efficient power and signal management, logic, discrete and custom solutions to help design engineers solve their unique design challenges in automotive, communications, computing, consumer, industrial, LED lighting, medical, military/aerospace and power supply applications. ON Semiconductor operates a responsive, reliable, world-class supply chain and quality program, and a network of manufacturing facilities, sales offices and design centers in key markets throughout North America, Europe, and the Asia Pacific regions.

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