MIL-PRF-39017G, PERFORMANCE SPECIFICATION, RESISTORS, FIXED, FILM (INSULATED), NONESTABLISHED RELIABILITY, AND ESTABLISHED RELIABILITY, GENERAL SPECIFICATION FOR (8 FEB 2006)., This 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°C and have a resistance temperature characteristic of 100 parts per million (PPM) and 350 PPM per degree Celsius (PPM/°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.