V420LTX40B - TX Hi-Rel Series

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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 high reliability Liettelfuse varistor is the latest step in increased product performance, and is available for applications requiring quality and reliability assurance levels consistent with military or other standards. (MIL-STD-19500, MIL-S-750, Method 202.) Additionally, Littelfuse varistors are inherently radiation hardened compared to silicon diode suppressors as illustrated in Figure 1.
This series of high-reliability varistors involve five categories:
  • DSSC Qualified Parts List (QPL) MIL-R-83530 4 Types Presently Available
  • DSSC Standard Military Drawings Based on MIL-R 83530 63 Types Presently Available:
    • ZA Series- Drawing # 87063
    • DB Series- Drawing # 90065
  • Littelfuse High Reliability Series Offers TX Equivalents 29 Types Presently Available
  • Custom Types Processed to Customer-Specific Requirements –(SCD) or to Standard Military Flow
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