Littelfuse High Reliability Varistors - Manual

© 2013 Littelfuse, Inc. 201
Revised: May 8, 2013
Varistor Products
High Reliability Varistors
High Reliability Varistors
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/za hirel.html or /db hirel.html
for current information.
High Reliability
High Reliability Varistors
Description
Littelfuse High Reliability Varistors offer the latest in
increased product performance, and are available for
applications requiring quality and reliability assurance levels
consistent with military or other standards (MIL-STD-19500,
MIL-STD-750, Method 202). Additionally, Littelfuse
Varistors are inherently radiation hardened compared
to Silicon Diode suppressors as illustrated in Figure 1.
Littelfuse High-Reliability Varistors involve five categories:
1 DSSC Qualified Parts List (QPL) MIL-R-83530
(4 items presently available)
2 Littelfuse High Reliability Series TX Equivalents
(29 items presently available)
3 Custom Types
Processed to customer-specific requirements
- (SCD) or to Standard Military Flow
4 Commercial Item Descriptors (CID)
identified for Government use:
CID AA-55564-3 - Littelfuse ZA Series
CID AA-55564-2 - Littelfuse DA, DB Series
Agency Approvals
QPL
MIL
• DSSC Approved
• QPL Listed
• CECC Certified
• ISO Approved
• UL Recognized
• CSA Certified
ZA Series
DA Series
DB Series