Littelfuse High Reliability Varistors - Manual (Page 4)

© 2013 Littelfuse, Inc. 204
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.
3) Custom Types
In addition to our comprehensive high-reliability series, Littelfuse can screen and condition to specific requirements.
Additional mechanical and environmental capabilities are defined in Table 8.
TABLE 8. Mechanical And Environmental Capabilities (Typical Conditions)
Test Name Test Method Description
Terminal Strength MIL-STD-750-2036 3 Bends, 90° Arc, 16oz. Weight
Drop Shock MIL-STD-750-2016 1500g’s, 0.5ms, 5 Pulses, X
1
, V
1
, Z
1
Variable Frequency Vibration MIL-STD-750-2056 20g’s, 100-2000Hz, X
1
, V
1
, Z
1
Constant Acceleration MIL-STD-750-2006 V
2
, 20,000g’s Min
Salt Atmosphere MIL-STD-750-1041 35°C, 24Hr, 10-50g/m 2 Day
Soldering Heat/Solderability MIL-STD-750-2031/2026 260°C, 10s, 3 Cycles, Test Marking
Resistance to Solvents MIL–STD–202-215 Permanence, 3 Solvents
Flammability MIL–STD–202-111 15s Torching, 10s to Flameout
Flammability UL1414 3 μ; 15s Torching
Cyclical Moisture Resistance MIL–STD–202-106 10 Days
Steady-State Moisture Resistance MIL–STD–750-1021.3 85/85 96Hr
Biased Moisture Resistance MIL–STD–750-1021.3 Not Recommended for High-Voltage Types
Temperature Cycle MIL–STD–202-107 -55°C to 125°C, 5 Cycles
High-Temperature Life (Nonoperating) MIL-STD-750-1032 125°C, 24Hr
Burn-In MIL-STD-750-1038 Rated Temperature and V
RMS
Hermetic Seal MIL-STD-750-1071 Condition D