"The device marking shall be permanent according to MIL-STD-883 method 2008, test condition B. The lead material must comply with MIL-M-38510, and the lead finish should be hot solder dip or bright acid tin plate as per MIL-M-38510. An identification mark adjacent to pin one, within the shaded area shown, is required. Materials case has ceramic lead material and finish according to paragraph 3.3.3; basic pin spacing is .100 between centerlines; voltage between V+ and V- terminals is 32; output short circuit duration is indefinite; operating temperature range is -55 to 125 degrees Celsius; storage temperature range is -65 to 150 degrees Celsius."