Metal-Oxide Varistors (MOVs) High Reliability Varistors High Reliability Varistors QPL 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-202). Additionally, Littelfuse Varistors are inherently radiation hardened compared to Silicon Diode suppressors as illustrated in Figure 1. Littelfuse High-Reliability Varistors involve three categories: 1 Qualified Products List (QPL) MIL-PRF-83530 (4 items presently available) Agency Approvals 2 Littelfuse High Reliability Series TX Equivalents (29 items presently available) QPL 3 Custom Types Processed to customer-specific requirements - (SCD) or to Standard Military Flow Additional Information Datasheet Resources Samples 2018 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 08/22/18Metal-Oxide Varistors (MOVs) High Reliability Varistors 1) DSSC Qualified Parts List (QPL) MIL-PRF-83530 This series of varistors are screened and conditioned in accordance with MIL-PRF-83530. Manufacturing system conforms to MIL-I-45208 MIL-Q-9858. Table 1. MIL-PRF-83530 Ratings and Characteristics Voltage Rating Nominal Clamping Part Clamping Nearest (V) Varistor Tolerance Energy Capacitance Voltage At Number Voltage at Commercial Voltage (%) Rating (J) at 1MHz (pF) Peak Current M83530/ 100A (V) Equivalent (RMS) (DC) (V) Rating (V) 1-2000B 200 -/+10 130 175 50 325 3800 570 V130LA20B 1-2200D 220 +10, -5 150 200 55 360 3200 650 V150LA20B 1-4300E 430 +5, -10 275 369 100 680 1800 1200 V275LA40B 1-5100E 510 +5, -10 320 420 120 810 1500 1450 V320LA40B 2) Littelfuse High Reliability Series TX Equivalents Table 2. Available TX Model Types (See Section (See Section Device 4) Nearest Device 4) Nearest TX Model Model Size TX Model Model Size Mark Commercial Mark Commercial Equivalent Equivalent V130LTX2 7mm 130TX2 V130LA2 V8ZTX1 7mm 8TX1 V8ZA1 V130LTX10A 14mm 130L10 V130LA10A V8ZTX2 10mm 8TX2 V8ZA2 V130LTX20B 20mm 130TX20 V130LA20A V12ZTX1 7mm 12TX1 V12ZA1 V150LTX2 7mm 150L2 V150LA2 V12ZTX2 10mm 12TX2 V12ZA2 V150LTX10A 14mm 150TX10 V150LA10A V22ZTX1 7mm 22TX1 V22ZA1 V150LTX20B 20mm 150L20 V150LA20B V22ZTX3 14mm 22TX3 V22ZA3 V250LTX4 7mm 250L4 V250LA4 V250LTX20A 14mm 250L20 V250LA20A V24ZTX50 20mm 24TX50 V24ZA50 V250LTX40B 20mm 250L40 V250LA40B V33ZTX1 7mm 33TX1 V33ZA1 V420LTX20A 14mm 420L20 V420LA20A V33ZTX5 14mm 33TX5 V33ZA5 V420LTX40B 20mm 420L40 V420LA40B V33ZTX70 20mm 33TX70 V33ZA70 V480LTX40A 14mm 480L40 V480LA40A V68ZTX2 7mm 68TX2 V68ZA2 V480LTX80B 20mm 480TX80 V480LA80B V68ZTX10 14mm 68TX10 V68ZA10 V510LTX40A 14mm 510L40 V510LA40A V82ZTX2 7mm 82TX2 V82ZA2 V510LTX80B 20mm 510L80 V510LA80B V82ZTX12 14mm 82TX12 V82ZA12 The TX Series of varistors are 100% screened and conditioned in accordance with MIL-STD-750. These tests are outlined in table 3 below QA ACCEPTANCE INSPECTION LOTS REVIEW OF DATA LOTS PROPOSED SAMPLE PER FORMED AFTER 100% SCREENING TX PREPARA TION > > > > FOR TX TYPES APPLICABLE DEVICE ASSEMBLY FOR DELIVERY SPECIFICATION Table 3. TX Equivalents Series 100% Screening MIL-STD-105 LTPD LEVEL AQL Electrical (Bidirectional) II 0.1 - V , V (Per Specifications Table) N(DC) C Dielectric Withstand Voltage - - 15 MILSTD202, Method 301, 2500V Min. at 1.0A DC Solderability - - 15 MILSTD202, Method 208, No Aging, Non-Activated 2018 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 08/22/18