1SMB58CA Datasheet

Zener Transient Voltage Suppressors


Features, Applications
Watt Peak Power Zener Transient Voltage Suppressors

The SMB 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 SMB 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.


Working Peak Reverse Voltage Range 78 V Standard Zener Breakdown Voltage Range 91.3 V Peak Power - 600 Watts 1 ms ESD Rating of Class 3 16 KV) per Human Body Model Maximum Clamp Voltage @ Peak Pulse Current Low Leakage 5 mA Above UL 497B for Isolated Loop Circuit Protection Response Time is Typically 1 ns Pb-Free Package is Available

YWW xxC Y WW xxC = Year = Work Week = Specific Device Code = (See Table Next Page)

Mechanical Characteristics CASE: Void-free, transfer-molded, thermosetting plastic FINISH: All external surfaces are corrosion resistant and leads are

260�C for 10 Seconds LEADS: Modified L-Bend providing more contact area to bond pads POLARITY: Polarity band will not be indicated MOUNTING POSITION: Any

Device* 1SMBxxCAT3 1SMBxxCAT3G Package SMB (Pb-Free) Shipping 2500/Tape & Reel 2500/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 403A case outline dimensions spec. *Please see to 1SMB170AT3 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 IT VC VBR VRWM IR IPP

ELECTRICAL CHARACTERISTICS (Devices listed in bold, italic are ON Semiconductor Preferred devices.)

1. 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. 2. VBR measured at pulse test current at an ambient temperature 25�C. 3. Surge current waveform per Figure 2 and derate per Figure 3 of the General Data - 600 Watt at the beginning of this group. * The "G" suffix indicates Pb-Free package available.



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Manufacturer information


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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