Littelfuse High Reliability Varistors Uživatelský manuál stáhnout pdf (Strana 4)

204

Revised: May 8, 2013

Varistor Products

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

, V

, Z

Variable Frequency Vibration MIL-STD-750-2056 20g’s, 100-2000Hz, X

, V

, Z

Constant Acceleration MIL-STD-750-2006 V

, 20,000g’s Min

Salt Atmosphere MIL-STD-750-1041 35°C, 24Hr, 10-50g/m

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

1 2 3 4 5 6

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Littelfuse High Reliability Varistors Uživatelský manuál Strana 4