1、INCH-POUNDMIL-PRF-39005/8C 8 May 2008 SUPERSEDING MIL-PRF-39005/8B 9 October 1997 PERFORMANCE SPECIFICATION SHEET RESISTORS, FIXED, WIRE-WOUND (ACCURATE), NONESTABLISHED RELIABILITY AND ESTABLISHED RELIABILITY STYLE RBR74 Inactive for new design after 8 July 2005. This specification is approved for
2、use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the product described herein shall consist of this specification sheet and MIL-PRF-39005. 1. SCOPE 1.1 Scope. This specification covers the performance requirements for style RBR74, nonestablished reliab
3、ility, established reliability, accurate, wire-wound, fixed resistors. * 1.2 Part or Identifying Number (PIN). Resistors covered by this specification are identified by a PIN which consists of the style designation, terminal, resistance, resistance tolerance, and product level designator. The PIN is
4、 derived in accordance with MIL-PRF-39005 and is in the following form: RBR74 L 12601 F S Style Terminal Resistance Resistance tolerance Product level designator 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3 and 4 of this specification. This se
5、ction does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements documents cit
6、ed in sections 3 and 4 of this specification, whether or not they are listed. 2.2 Government documents. AMSC N/A FSC 5905 Comments, suggestions, or questions on this document should be addressed to: Defense Supply Center, Columbus ATTN: DSCC-VAT, Post Office Box 3990, Columbus, Ohio 43218-3990, or e
7、mailed to resistordla.mil. Since contact information can change, you may want to verify the currency of this address information using the ASSIST Online database at http:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-39
8、005/8C 2* 2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. DEPARTMENT OF DEFEN
9、SE SPECIFICATION MIL-PRF-39005 - Resistors, Fixed, Wire-Wound (Accurate), Nonestablished Reliability and Established Reliability, General Specification for. * (Copies of these documents are available online at http:/assist.daps.dla.mil/quicksearch/ or from the Standardization Document Order Desk, 70
10、0 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) * 2.3 Order of precedence. Unless otherwise noted herein or in the event of a conflict between the text of this document and the references cited herein (except for related specification sheets), the text of this document takes precedence.
11、 Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 General. The requirements for acquiring the product described herein shall consist of this document and MIL-PRF-39005. 3.2 Interface and physical dimensio
12、ns. Resistors shall meet the interface and physical dimensions specified on figure 1. 3.3 Applicable resistance values and tolerances. Applicable resistance values based on use of 0.0009 absolute diameter wire shall be 100, 681, 806, 909, and 6,520 ohms. Initial resistance tolerance shall be 0.1 per
13、cent. 3.4 Power rating. Power rating shall be 0.125 watt. 3.5 Maximum voltage. Maximum voltage shall be 150 volts direct current or peak. 3.6 Maximum weight. The maximum weight shall be 2 grams. 4. VERIFICATION 4.1 Verification. Verification shall be in accordance with MIL-PRF-39005. Provided by IHS
14、Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-39005/8C 35. PACKAGING * 5.1 Packaging. For acquisition purposes, the packaging requirements shall be as specified in the contract or order (see 6.2). When packaging of materiel is to be performed by DoD or in
15、-house contractor personnel, these personnel need to contact the responsible packaging activity to ascertain packaging requirements. Packaging requirements are maintained by the Inventory Control Points packaging activities within the Military Service or Defense Agency, or within the military servic
16、es system commands. Packaging data retrieval is available from the managing Military Departments or Defense Agencys automated packaging files, CD-ROM products, or by contacting the responsible packaging activity. Dimension Inches Millimeters A 0.500 0.020 12.70 0.51 B 0.193 0.010 4.90 0.25 C 1.500 m
17、in 38.10 min D 0.025 0.002 0.64 0.05 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Dimension A is clean lead to clean lead. 4. Resistance measurement points for all values of resistance shall be .375 .0625 (9.53 mm 1.588 mm) from the end of the
18、body. * FIGURE 1. Style RBR74 resistor. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-39005/8C 46. NOTES (This section contains information of a general or explanatory nature that may be helpful, but is not mandatory.) 6.1 Notes. The notes
19、specified in MIL-PRF-39005 are applicable to this specification. 6.2 Acquisition requirements. Acquisition documents must specify the following: a. Title, number, and date of the specification. * b. If not otherwise specified (see 2.1), the versions of the individual documents referenced will be tho
20、se in effect on the date of release of the solicitation. c. Packaging requirements (see 5.1). 6.3 Supplementary insulation. Where potential to ground is over 100 volts, supplementary insulation should be provided. * 6.4 Changes from previous issue. The margins of this specification are marked with a
21、sterisks to indicate where changes from the previous issue were made. This was done as a convenience only and the Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this document based on the entir
22、e content irrespective of the marginal notations and relationship to the last previous issue. Custodians: Preparing activity: Air Force - 11 DLA - CC DLA - CC NASA - NA (Project 5905-2008-026) Review activities: Air Force - 19 NOTE: The activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at http:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
