1、INCH-POUNDMIL-PRF-39005/7D 8 May 2008 SUPERSEDING MIL-PRF-39005/7C 9 October 1997 PERFORMANCE SPECIFICATION SHEET RESISTORS, FIXED, WIRE-WOUND (ACCURATE), NONESTABLISHED RELIABILITY AND ESTABLISHED RELIABILITY STYLE RBR57 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 RBR57, 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: RBR57 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 DISTRIBUTION STATEMENT A . Approved for public release; distribution is unlimited. Comments, suggestions, or questions on this document should be addressed to: US Army Communicat
7、ions-Electronics Command and Fort Monmouth, ATTN: AMSEL-LC-LEO-E-EP, Fort Monmouth, NJ 07703-5023 or emailed to Jeffrey.Carverus.army.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.m
8、il. Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-39005/7D 2* 2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form
9、 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 DEFENSE SPECIFICATION MIL-PRF-39005 - Resistors, Fixed, Wire-Wound (Accurate), Nonestablished Reliability and Established
10、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, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) * 2.3 Order of precedence. Unless otherwise noted herein
11、 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. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been o
12、btained. 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 dimensions. Resistors shall meet the interface and physical dimensions specified on figure 1. 3.3 Minimum resistance value an
13、d applicable tolerance. Minimum resistance value shall be 0.1 ohm for tolerance F (1.0 percent). For tolerances B, A, Q, T (.10, .05, .02, and .01 percent, respectively), the minimum resistance value shall be 10 ohms. 3.4 Maximum resistance value. Maximum resistance values and applicable wire sizes
14、shall be as follows: Nominal wire size (inches) diameter Absolute diameter Maximum resistance value (megohms) .001 .0009 .1.37 .0009 .00081 2.10 .0008 .00072 6.42 3.5 Power rating. Power rating shall be 0.75 watt. 3.6 Maximum voltage. Maximum voltage shall be 600 volts direct current or peak. 3.7 Ma
15、ximum weight. The maximum weight shall be 10 grams. 4. VERIFICATION 4.1 Verification. Verification shall be in accordance with MIL-PRF-39005. Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license fr
16、om IHS-,-,-MIL-PRF-39005/7D 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-house contractor personnel, these personnel need to contact the respons
17、ible 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 services system commands. Packaging data retrieval is available from the manag
18、ing Military Departments or Defense Agencys automated packaging files, CD-ROM products, or by contacting the responsible packaging activity. Dimension Inches Millimeters A 1.000 +0.020 -0.032 25.40 +0.51 -0.81 B 0.500 0.015 12.70 0.38 C 1.500 min 38.10 min D 0.032 0.002 0.81 0.05 NOTES: 1. Dimension
19、s 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 body. * FIGURE 1. Style RBR57 resistor. Copyright Commun
20、ications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-39005/7D 46. NOTES (This section contains information of a general or explanatory nature that may be helpful, but is not mandatory.) 6.1 No
21、tes. The notes 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 referen
22、ced will be those 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 250 volts, supplementary insulation should be provided. * 6.4 Changes from previous issue. The margins of this specification ar
23、e marked with asterisks 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 bas
24、ed on the entire content irrespective of the marginal notations and relationship to the last previous issue. Custodians: Preparing activity: Army - CR Army - CR Navy - EC Air Force - 11 Agent: NASA - NA DLA - CC Review activities: (Project 5905-2008-022) Army - AR, AT, AV, CR4, MI Navy - AS, MC, OS
25、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. Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
