Metal Oxide Varistor： ：TVR-Q Series Disc Type Varistor for Automotive Applications
Reliability Item
Standard
Test conditions / Methods
High Temperature Exposure (Storage)
Test temp.: 150+3/-0°C MIL-STD-202 Duration: 1000 hrs, Unpowered Method 108 Measurement at 24±2 hours after test conclusion.
Temperature Cycling
Lower test temp. : -40℃ (+0/-10) Upper test temp. : 125℃( +15/-0) Soak Time at Lower or Upper Temp. : 15 min Transfer time: ≤1 min Number of cycles: 1000 Measurement at 24±2 hours after test conclusion.
JESD22 Method JA-104
Specifications No visible damage
│△V1mA/V1mA│≦10% │△Vclamp/Vclamp│≦10%
No visible damage
│△V1mA/V1mA│≦10% │△Vclamp/Vclamp│≦10%
Duration of 1 cycle: 16 hrs Number of cycles: 10, Unpowered Measurement at 24±2 hours after test conclusion.
Step
Moisture Resistance
Biased Humidity
MIL-STD-202 Method 106
1 2 3 4 5 6
Temp.
humidity
Period
Start Finish (% ) 25 65 90~100 65 65 90~100 65 25 80~100 25 65 90~100 65 65 90~100 65 25 80~100
No visible damage
(hr) 2.5 3.0 2.5 2.5 3.0 2.5
│△V1mA/V1mA│≦10% │△Vclamp/Vclamp│≦10%
Test temp.:85°C Rel. humidity of air: 85% MIL-STD-202 Duration: 1000 hrs Method 103 Test Power: Bias at 85% (+5%/-0%) of rated varistor voltage Measurement at 24±2 hours after test conclusion.
Test temp.: 125℃ (+3/-0) MIL-STD-202 Duration: 1000 hrs Operational Life Method 108 Test Power: Bias at 85% (+5%/-0%) of rated varistor voltage Measurement at 24±2 hours after test conclusion. External Visual Physical Dimension Terminal Strength (Leaded) Resistance to Solvents
MIL-STD-883 Inspect device construction, marking, and workmanship. Method 2009 JESD22 Verify physical dimensions to the applicable device detail Method specification. JB-100 1. Pull test (2.27 kg), MIL-STD-202 2. Wire-lead bend test (227 g) Method 211 Duration of the applied forces: 10 ±1sec
THINKING ELECTRONIC INDUSTRIAL Co., LTD. All specifications are subject to change without notice.
A9
│△V1mA/V1mA│≦10% │△Vclamp/Vclamp│≦10%
No visible damage
│△V1mA/V1mA│≦10% │△Vclamp/Vclamp│≦10%
No visible damage
Within the specified values
No visible damage
│△V1mA/V1mA│≦10% │△Vclamp/Vclamp│≦10%
MIL-STD-202 Add aqueous wash chemical - OKEM Clean or equivalent. Method 215 Do not use banned solvents.
No visible damage
No visible damage
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2011.12