Freeze/Thaw Temperature Cycling - 11,000 Cycles Ring Lug Style Thermistor Assembly

Reliability Testing

Freeze - Thaw Temperature Cycling - 11,000 Cycles
except with temperature extremes as noted
cycle time = 10 minutes ( 5 minutes at each extreme)

Freeze - Thaw Temperature Cycling

Scroll horizontally to see the full table

USS Sample # 1 2 3 4 5 6 7 8 9 10 Average STD DEV

Day 1

Prior to Cycling

Ω Resistance

@ 25°C

9957

10019

10053

9962

10000

9963

10020

10048

9936

10020

9989.3

44.36

Day 8

After 500 Cycles -30°C - +65°C

Ω Resistance

@ 25°C

 9963.5 10026 10063 9971.2 10008 9970.7 10042 10054 9946.3

9961.9

10000.66

 43.13

% Change

 0.07% 0.07% 0.10% 0.09% 0.08% 0.08% 0.22% 0.06% 0.10%

0.27%

0.11%

Day 8

After 1 hour Pressure Test

Ω Resistance

@ 25°C

 9954.9 10013 10058 9959.3 9997.7 9965.1 10020 10042 9939.9 9955.9 9990.58 41.20

% Change

 0.02% 0.06% 0.05% 0.09% 0.02% 0.02% 0.00% 0.06% 0.04%

0.21%

0.01%

Day 16

After 1,500 Cycles -10°C - +65°C

Ω Resistance

@ 25°C

 9954.2 10013 10051 9963.8 9999.3 9961.2 10019 10045 9938.3 9962.1 9990.69 40.06

% Change

 0.03% 0.06% 0.02% 0.02% 0.01% 0.02% 0.01% 0.03% 0.02%

0.27%

0.01%

Day 16

After 1 hour Pressure Test

Ω Resistance

@ 25°C

 9954.2 10014 10055 996.7 10001 9960.3 10021 10046 9935.1 9964.1 9991.44 41.55

% Change

 0.03% 0.05% 0.02% 0.02% 0.01% 0.03% 0.01% 0.02% 0.01%

0.29%

0.02%

Day 24

After 2,500 Cycles -10°C - +65°C

Ω Resistance

@ 25°C

 9957.7 10019 10059 9968.4 10009 9967.3 10029 10049 9939.7 9977.7 9997.58 40.96

% Change

 0.01% 0.00% 0.06% 0.06% 0.09% 0.04% 0.09% 0.01% 0.04%

0.43%

0.08%

Day 24

After 1 hour Pressure Test

Ω Resistance

@ 25°C

 9952 10016 10055 9960.2 9998.1 9956.7 10019 10042 9936.3 9965.3 9990.06 41.43
% Change 0.05% 0.03% 0.02% 0.02% 0.02% 0.06% 0.01% 0.06% 0.00%

0.01%

0.01%

Day 32

After 3,500 Cycles -10°C - +65°C

Ω Resistance

@ 25°C

 9955.1 10016 10053 9962.2 9999.6 9961.7 10019 10045 9937.9 9976 9992.55 39.78
% Change 0.02% 0.03% 0.00% 0.00% 0.00% 0.01% 0.01% 0.03% 0.02%

0.01%

0.03%

Day 32

After 1 hour Pressure Test

Ω Resistance

@ 25°C

 9946.2 10009.6 10053.2 9964.5 9998.5 9963 10018.6 10043.4 9937.3 9977.2 9991.15 39.92
% Change 0.11% 0.09% 0.00% 0.03% 0.02% 0.00% 0.01% 0.05% 0.01%

0.42%

0.02%

Day 40

After 4,500 Cycles -10°C - +65°C

Ω Resistance

@ 25°C

 9956.4 10016 10052 9961.8 9998.6 9961.9 10015 10041 9937.5 9984.8 9992.5 38.38
% Change 0.01% 0.03% 0.01% 0.02% 0.01% 0.01% 0.05% 0.07% 0.02%

0.50%

0.03%

Day 40

After 1 hour Pressure Test

Ω Resistance

@ 25°C

 9956.1 10014 10053 9963.3 9999.1 9961.6 10017 10043 9937.4 9985.3 9992.98 38.78
% Change 0.01% 0.05% 0.00% 0.01% 0.01% 0.01% 0.03% 0.05% 0.01%

0.51%

0.04%

Day 47

After 5,500 Cycles -10°C - +65°C

Ω Resistance

@ 25°C

 9946.6 10021 10084 9971.4 10014 9970.7 10051 10048 9944.1 10017 10008.58 44.98
% Change 0.08% 0.02% 0.31% 0.09% 0.14% 0.08% 0.31% 0.00% 0.08%

0.83%

0.19%

Day 47

After 1 hour Pressure Test

Ω Resistance

@ 25°C

 9958.1 10019 10056 9965.1 10004 9962.6 10023 10050 9939.2 9990.7 9996.77 40.27
% Change 0.01% 0.00% 0.03% 0.03% 0.04% 0.00% 0.03% 0.02% 0.03%

0.56%

0.08%

Day 56

After 6,500 Cycles -10°C - +65°C

Ω Resistance

@ 25°C

 9964.6 10027 10063 9969.3 10006 9967.5 10026 10051 9944.9 9999.3 10001.86 39.81
% Change 0.08% 0.08% 0.10% 0.07% 0.06% 0.05% 0.06% 0.03% 0.09%

0.65%

0.13%

Day 56

After 1 hour Pressure Test

Ω Resistance

@ 25°C

 9962.3 10024 10061 9971.8 10010 9968.5 10030 10053 9946.5 10003 10003.01 39.57
% Change 0.05% 0.05% 0.08% 0.10% 0.10% 0.06% 0.10% 0.05% 0.11%

0.68%

0.14%

Day 63

After 7,500 Cycles -10°C - +65°C

Ω Resistance

@ 25°C

 9965.8 10023 10063 9973.9 10011 9972.8 10034 10053 9948.3 10005 10004.98 38.91
% Change 0.09% 0.04% 0.10% 0.12% 0.11% 0.10% 0.14% 0.05% 0.12%

0.70%

0.16%

Day 63

After 1 hour Pressure Test

Ω Resistance

@ 25°C

 9963.8 10025 10065 9973.4 10008 9971.3 10028 10052 9946.7 10004
% Change 0.07% 0.06% 0.12% 0.11% 0.08% 0.08% 0.08% 0.08% 0.04%

0.11%

0.69%

Day 71

After 8,500 Cycles -10°C - +65°C

Ω Resistance

@ 25°C

 9965.4 10027 10059 9974.1 10011 9969.1 10030 10050 9948.2 10010 10004.8 38.22
% Change 0.08% 0.08% 0.06% 0.12% 0.11% 0.06% 0.10% 0.02% 0.12%

0.75%

0.15%

Day 71

After 1 hour Pressure Test

Ω Resistance

@ 25°C

 9963.9 10022 10058 9973.1 10008 9970.3 10029 10053 9945.1 10010
% Change 0.07% 0.03% 0.05% 0.11% 0.08% 0.07% 0.09% 0.05% 0.09%

0.75%

0.14%

Day 78

After 9,500 Cycles -10°C - +65°C

Ω Resistance

@ 25°C

 9966.1 10022 10064 9972.3 10012 9971.6 10029 10052 9944.7 10012 10004.57 39.42
% Change 0.09% 0.03% 0.11% 0.10% 0.12% 0.09% 0.09% 0.04% 0.09%

0.78%

0.15%

Day 78

After 1 hour Pressure Test

Ω Resistance

@ 25°C

 9964.9 10025 10063 9972.1 10011 9972.1 10032 10054 9945.2 10012 10005.13 39.90
% Change 0.08% 0.06% 0.10% 0.10% 0.11% 0.09% 0.12% 0.06% 0.09%

0.78%

0.16%

Day 86

After 10,500 Cycles -10°C - +65°C

Ω Resistance

@ 25°C

 9967.9 10028 10064 9973.6 10017 9973.6 10032 10056 9948.3 10019 10007.94 39.66
% Change 0.11% 0.09% 0.11% 0.12% 0.17% 0.11% 0.12% 0.08% 0.12%

0.85%

0.19%

Day 86

After 1 hour Pressure Test

Ω Resistance

@ 25°C

 9966.4 10026 10064 9975.6 10011 9972.9 10029 10055 9948.8 10016 10006.47 38.98
% Change 0.09% 0.07% 0.11% 0.14% 0.11% 0.10% 0.09% 0.07% 0.13%

0.82%

0.17%

Day 94

After 11,500 Cycles -10°C - +65°C

Ω Resistance

@ 25°C

 9965.1 10016 10064 9971 10008 9970.1 10029 10051 9944.7 10013 10003.19 39.35
% Change 0.08% -0.03% 0.11% 0.09% 0.08% 0.07% 0.09% 0.03% 0.09%

0.79%

0.14%

Day 94

After 1 hour Pressure Test

Ω Resistance

@ 25°C

 9963.2 10021 10062 9971.8 10009 9966.6 10029 10051 9945.7 10016 10003.53 39.66
% Change 0.06% 0.02% 0.09% 0.10% 0.09% 0.04% 0.09% 0.03% 0.10%

0.82%

0.14%

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