NTC Military Grade Thermistors Military Grade Chip Thermistors Screened, high-rel surface mount NTC thermistors are provided in the EIA 0805 package. Resistance Engineering Information values are specified at 25C with resistances at other Thermal Time Constant*: 8 seconds maximum. temperatures calculated using the appropriate Dissipation Constant*: 2mW/C min. Power Rating: The thermistor shall be capable of dissipating a maximum power of .125 watt at 25C. Thermistors shall be derated in accordance with Table 1. Resistance At 25C: Zero power resistance values at 25C (See Table 2). resistance vs. temperature tables. he data provided on this page outlines the DSCC (Defense Supply Center, Columbus) drawing 93073. The complete 93073 specifications can be obtained by contacting DSCC. Please consult factory for devices provided to the 93074 (1206 package) specification. T Tested IAW MIL-PRF-23648. See DESC drawing 93073 for further details. *Thermal Time and Dissipation Constant may vary depending on mounting. Dimensions 93073 NTC STYLE L = .078" +/- .008" W = .049" +/- .008" T = .055" Max N T C 22 Ordering Information 9 3 07 3 - Z 5 0 0 2 J TABLE 1 Derating Curve for High Ambient Temperatures Percent of Maximum Power T H E R M I S T O R S BW = .020" +/- .005" 100 Resistance Tolerance Code Number of Zeros 1st 3 Resistance Digits Curve Drawing Number 25C 80 60 40 20 125C 0 -.55 -.20 0 20 40 80 120 140 160 Ambient Temperature (C) Tolerance Code: K = 10% with Tin/Lead Terminations J = 5% with Tin/Lead Terminations G = 2% with Tin/Lead Terminations F = 1% with Tin/Lead Terminations E D C B = = = = 10% with Gold Terminations 5% with Gold Terminations 2% with Gold Terminations 1% with Gold Terminations TABLE 2 Minimum and Maximum Resistance Values (at 25C) For Each Available Curve CURVE A (QTI CURVE X) 470 Ohm to 1.5K Ohm CURVE T 2K Ohm to 7.5K Ohm CURVE Y 10K Ohm to 20K Ohm CURVE Z 47K Ohm to 100K Ohm CURVE S 100K Ohm to 200K Ohm CURVE P 4.7 Meg Ohm to 10 Meg Ohm