U3K UNSEMI | Alldatasheet
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Revision March 1,2022 Surface Mount Transient Voltage Suppressors www.unsemi.com.tw www.unsemi.com.tw For technical questions, contact: tech@unsemi.com.tw Specifications are subject to change without notice. Please refer to www.unsemi.com.tw for current information.1/4 Glass passivated junction . Bi-directional . Excellent clamping capability . Low slope resistance . 3000A Peak Pulse power capability at 8/20us waveform . Fast response time: typically less than 1.0ps from 0V to VBR min . High temperature soldering:260℃/10s at terminals . Plastic package has Underwriters Laboratory Flammability 94V-0 . Halogen free and RoHS compliant . TVS devices are ideal for the protection of I/O interfaces, VCC bus and other vulnerable circuits used in Telecom, Computer, Industrial and Consumer electronic applications. Peak Pulse Current with a 8/20µs waveform Junction and Storage Temperature Range Operating Temperature Range IPP TJđTSTG TOP - 55 to +150 - 55 to +125 KA Bi-directional Functional Diagram
13.00 16.00 22.00 27.00 32.00 39.00 64.00 72.00 85.00 3000 3000 3000 3000 3000 3000 3000 3000 3000 U3K-12C U3K-15C U3K-20C U3K-25C U3K-30C U3K-36C U3K- 58C U3K-66C U3K-76C 15.00 19.00 26.00 30.00 37.00 45.00 70.00 80.00 95.00 22.0 28.0 36.0 45.0 90.0 98.0 110.0 120.0 140.0 Ratings and Characteristic Curves (TA=25°C unless otherwise noted) ROHS Surface Mount Transient Voltage Suppressors Revision March 1,2022 www.unsemi.com.tw For technical questions, contact: tech@unsemi.com.tw ROHS Electrical Characteristics (@ 25℃ Unless Otherwise Specified ) Specifications are subject to change without notice. Please refer to www.unsemi.com.tw for current information. NOTE1: Surge waveform: 8/20μs VR ğStand-off Voltage -- Maximum voltage that can be applied VBRğBreakdown Voltage VCğClamping Voltage -- Peak voltage measured across the suppressor at a specified Ipp IRğReverse Leakage Current U3K Series Part Number Stand-Off Voltage VMW (V) Breakdown Voltage VBR (V) Maximum Reverse Surge Current IPP (A)(1) Maximum Reverse Leakage IR @VRWM (μA) Test Current IT (μA) Maximum Clamping Voltage VC @IPP (V)MIN MAX Figure 2 - Pulse Derating CurveFigure 1 - Pulse Waveform T - Time (ms) Half Value IPPM (IPPM/2) Peak Value IPPM TR=8µsec TJ=25°C Pulse Width(td) is defined as the point where the peak current decays to 50% of IPPM 0 20 40 60 80 100 150IPPM - Peak Pulse Current, % IR SM TA-Ambient temperature(°C) 0 25 50 75 100 125 150 175 100 Peak Pulse Power (PPP) or Current (IPP) Derating in Percentage %
Revision March 1,2022 www.unsemi.com.tw For technical questions, contact: tech@unsemi.com.tw ROHS Specifications are subject to change without notice. Please refer to www.unsemi.com.tw for current information. U3K Series Surface Mount Transient Voltage Suppressors I-V Curve Characteristics Part Numbering Soldering Parameters U 3 K 7 6 C BI-DIRECTIONAL VR VOLTAGE 8/20us waveform 3KA U Series Lead–free assembly 150°C 200°C 60 -180 Seconds 3°C/second max 5°C/second max 217°C 60 -150 Seconds 260 +0/-5°C
30 Seconds
6°C/second max 8 minutes Max 260°C Reflow Condition Pre Heat -Temperature Min (Ts(min)) -Temperature Max (Ts(max)) - Time (min to max) (Ts) Average ramp up rate ( Liquidus Temp TL) to peak TS(max) to TL - Ramp-up Rate Reflow - Temperature (TL) (Liquidus) - Time (min to max) (TS) Peak Temperature (TP) Do not exceed Time 25°C to peak Temperature (TP) Time within 5°C of actual peak Temperature (TP) Ramp-down Rate Ramp up TS(MAX) TS(MIN) Ramp down TimeReflow Profile Temperature TP TL Critical Zone TL to TP TL Time to peak temperature (t 25℃ to peak) Ts Preheat Tp VVC VBR VR VCVBRVR IR IR IT IT IPP IPP Bi-directional
Revision March 1,2022 www.unsemi.com.tw For technical questions, contact: tech@unsemi.com.tw ROHS Specifications are subject to change without notice. Please refer to www.unsemi.com.tw for current information.4/4 U3K Series Surface Mount Transient Voltage Suppressors Packaging
Ordering Information
Packing OptionPart Number Case Type Quantity Part Number Dimension D Dimension: MM INCHES 6.00±0.50 0.311±0.020 7.00±0.50 0.311±0.020 7.90±0.50 0.311±0.020 U3K-12C U3K-15C U3K-20C U3K-25C U3K-30C U3K-36C U3K-58C U3K-66C U3K-76C U3K-XXC Series TPS 126 Box
Revision March 1,2022 www.unsemi.com.tw For technical questions, contact: tech@unsemi.com.tw ROHS Specifications are subject to change without notice. Please refer to www.unsemi.com.tw for current information. Disclaimer ROHS UNSEMI RESERVES THE RIGHT TO MAKE CHANGE ON OUR PRODUTS , PRODUCTS SPECIFICATION AND DATA WITHOUT NOTICE TO IMPROVE RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE. UN SEMICONDUCTOR LIMITED its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, “UNSEMI”)does not give any representations or warranties for any errors, inaccuracies or incompleteness contained in any datasheet or in any other disclosure relating to any product. In no event shall UNSEMI be liable for any indirect, incidental, punitive, special or consequential damages (including any and all implied warranties, warranties of fitness for particular purpose, non-infringement and merchantability.) whether or not such damages are based on tort (including negligence), warranty, breach of contract or any other legal theory. Statements regarding the suitability of products for certain types of applications are based on UNSEMI knowledge of typical requirements that are often placed on UNSEMI products in generic applications. Such statements are not binding, statements about the suitability of products for a particular application. It is the customer's responsibility to validate that a particular product with the properties described in the product specification is suitable for use in a particular application. Parameters provided in datasheets or specifications may vary in different applications and performance may vary over time. All operating parameters, including typical parameters, must be validated for each customer application by the customer's technical experts. Product specifications do not expand or otherwise modify UNSEMI's terms and conditions of purchase, including but not limited to the warranty expressed therein. Unless otherwise agreed in writing, UNSEMI product is not designed, authorized or warranted to be suitable for use in medical life-saving, or life-sustaining application , nor in applications where failure or malfunction of a UNSEMI product can reasonably be expected to result in personal injury, death or severe property or environmental damage. UNSEMI and its suppliers accept no liability for inclusion or use of UNSEMI products in such equipment or applications and therefore such inclusion and/or use is at the customer's own risk. All referenced brands, product names, service names and trademarks are the property of their respective owners.