MIL-PRF-18546/2C
SPECIFICATION
DEPARTMENT OF DEFENSE
MIL-PRF-18546
- Resistors, Fixed, Wire-Wound, (Power Type, Chassis Mounted),
General Specification for.
STANDARD
DEPARTMENT OF DEFENSE
MS 35690
- Nut, Plain, Hexagon, UNC-2B and UNF-2B.
(Unless otherwise indicated, copies of the above specifications, standards, and handbooks are
available from the Document Automation and Production Service, Building 4D (DPM-DODSSP), 700
Robbins Avenue, Philadelphia, PA 19111-5094.)
2.3 Order of precedence. In the event of a conflict between the text of this document and the
references cited herein, the text of this document takes precedence. Nothing in this document,
however, supersedes applicable laws and regulations unless a specific exemption has been obtained.
3. REQUIREMENT
3.1 General. The requirements for acquiring the product described herein shall consist of this
document and MIL-PRF-18546.
3.2 Interface and physical dimension. Resistors shall meet the interface and physical dimension
specified on figure 1 and as specified herein.
3.2.1 Weight. The maximum weight shall be as specified in table I.
TABLE I. Weight.
Grams, (maximum)
Style
Characteristic G Characteristic N
RE77
400
440
RE80
800
880
3.3 Power rating. The power rating shall be as specified in table II, based on full load operation at
an ambient temperature of 25 C, when mounted on the chassis specified in table V.
TABLE II. Power rating.
Power rating (watts)
Style
Chassis mounted
Free air 1/
RE77
75
30
RE80
120
75
1/ Free air power ratings are listed for information only.
2
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