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MIL-PRF-39017 Resistors, Fixed, Film \(Insulated\), Nonestablished Reliability, And Established Reliability, General Specification ForThis specification covers the general requirements for nonestablished reliability \(non-ER\) and established reliability \(ER\), insulated, film, fixed resistors. These resistors are capable of full load operation at an ambient temperature of 70 Degrees C and have a resistance temperature characteristic of 100 parts per million \(PPM\) and 350 PPM per degree Celsius \(PPM/Degrees C\). The ER resistors have life failure rate \(FR\) levels ranging from 1.0 percent to 0.001 percent per 1,000 hours \(see 1.2.1.4\). These FR levels are established at a 60 percent confidence level on the basis of life tests. Designers are CAUTIONED on using these resistors in high power pulse applications \(see 6.13.2\).

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MIL-PRF-39017G
TABLE IX. Qualification inspection.
Inspection
Number of
Requirement
Method
Number of defectives
sample units 1/
paragraph
paragraph
allowed 2/
Certification requirements 3/
Terminal leads
Aqueous-extract-conductivity
Fungus
Group I 4/
All sample
Power conditioning
Not applicable
units 5/
DC resistance
Group IA 4/
0
All sample
Visual and mechanical inspection
3.5.2 through
unit 5/
6/
3.5.4 .inclusive,
Group II 7/
0
12
Solderability
Resistance to solvents
Group III
Thermal shock
10 high
Resistance temperature
8/ 30 10
characteristic
Low temperature storage
critical
Low temperature operation
10 low
Short-time overload
Terminal strength
Group IV
Dielectric withstanding voltage
10 high
Insulation resistance
8/ 30 10 critical
1
Thermal shock
10 low
Resistance to soldering heat
Moisture resistance
Group V
10 high
Shock (specified pulse)
8/ 30 10 critical
Vibration, high frequency
10 low
Group VI
34 high
Life
1
9/ 102 34 critical
34 low
Group VII
34 high
High temperature exposure
1
9/ 102 34 critical
34 low
Group VIII 7/
Fungus
10
0
See footnotes on next page.
16



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