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Disclaimer Notice

Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

The SMCG-HRA series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.


•High-Reliability upscreened for critical applications require higher reliability performance and low infant mortality failures. 100% screen test sorting

• 1500W peak pulse power capability at 10/1000μs waveform, repetition rate (duty cycles):0.01%

• L bend lead forming gives best solderbility for Hi reliability application

• For surface mounted applications to optimize board space

• Excellent clamping capability

• Typical failure mode is short from over-specified voltage or current

• Whisker test is conducted based on JEDEC JESD201A per its table 4a and 4c

• IEC-61000-4-2 ESD 15kV(Air), 8kV (Contact)

• ESD protection of data lines in accordance with IEC 61000-4-2 (IEC801-2)

• EFT protection of data lines in accordance with IEC 61000-4-4 (IEC801-4)

• Fast response time: typically less than 1.0ps from 0V to BV min

• Low incremental surge resistance

• Typical IR less than 1μA above 12V

• Built-in strain relief

• Glass passivated chip junction

• High temperature soldering guaranteed: 260°C/10 seconds at terminals

• Meet MSL level1, per J-STD-020, LF maximum peak of 260°C

• Matte tin lead–free plated

• Halogen free and RoHS compliant

• 2nd level interconnect is Pb-free per IPC/JEDEC J-STD-609A.01

• VBR @TJ= VBR@25°C x (1+αT x (TJ - 25)) (αT:Temperature Coefficient, typical value is 0.1%)


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.
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
SMCG120A-HRA TVS 1.5KW 120V 5%UNI DO-215AB TR13 RoHS RoHS No 02/19/2019 PbFree No 02/19/2019 Yes
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