MIL-R-39009/2A April 1970 PERFORMANCE SPECIFICATION RESISTORS, FIXED,

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MIL-R-39009/2A April 1970 PERFORMANCE SPECIFICATION RESISTORS, FIXED,

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INCH-POUND MIL-PRF-39009/2B
MIL-R-39009/2A April 1970 PERFORMANCE SPECIFICATION RESISTORS, FIXED, WIRE-WOUND, (POWER TYPE, CHASSIS MOUNTED), NONESTABLISHED RELIABILITY, ESTABLISHED RELIABILITY, STYLES RER40, RER45, RER50, RER55 This specification approved Departments Agencies Department Defense. SCOPE Scope. This specification covers associated requirements nonestablished reliability established reliability styles RER40, RER45, RER50, RER55 resistors. These resistors noninductively wound. APPLICABLE DOCUMENTS General. documents listed this section specified section this specification. This section does include documents cited other sections this specification recommended additional information examples. While every effort been made ensure completeness this list, document user cautioned that they must meet specified requirements documents cited sections this specification, whether they listed.
Beneficial comment (recommendations, additions, deletions) pertinent data which improving this document should address Army Communications Electronics Command, ATTN: AMSEL-LC-LEO-E-EP, Fort Monmouth, 07703-5023 using Standardization Document Improvement Proposal Form 1426) appearing this document letter.
AMSC DISTRIBUTION STATEMENT Approved public release; distribution unlimited.
5905
MIL-PRF-39009/2B Government documents. 2.2.1 Specifications, standards, handbooks. following specifications, standards, handbooks form part this document extent specified herein. Unless otherwise specified, issues these documents those listed issue Department Defense Index Specifications Standards (DoDISS) supplement thereto, cited solicitation (see 6.2). SPECIFICATION DEPARTMENT DEFENSE MIL-PRF-39009 Resistors, Fixed, Wire-Wound (Power Type, Chassis Mounted), Nonestablished Reliability, Established Reliability, General Specification for. (Unless otherwise indicated, copies above specifications, standards, handbooks available from Defense Printing Service Detachment Office, Building (Customer Service), Robbins Avenue, Philadelphia 19111-5094.) Order precedence. event conflict between text this document references cited herein, text this document takes precedence. Nothing this document, however, supersedes applicable laws regulations unless specific exemption been obtained. REQUIREMENTS Requirements. requirements acquiring product described herein shall consist this document MIL-PRF-39009. Interface physical dimension. Resistors shall meet interface physical dimensions specified figure specified herein.
MIL-PRF-39009/2B
Resistor style ±.062 (1.57) RER40
±.010 (0.25)
±.031 ±.010 (0.79) (0.25)
±.062 (1.57)
±.062 (1.57)
±.062 (1.57) 0.334 (8.48)
±.031 (0.79) 0.245 (6.22)
±.031 (0.79)
±.005 (0.13)
±.031 (0.79) 0.320 (8.13)
±.062 (1.57) 0.133 (3.38)
±.031 (0.79) 0.065 (1.65) 0.094 (2.39) 0.094 (2.39) 0.094 (2.39)
±.005 (0.79) 0.050 (1.27) 0.085 (2.16) 0.085 (2.16) 0.085 (2.16)
1.125 0.490 0.078 0.444 0.600 0.266 (28.58) (12.45) (1.98) (11.28) (15.24) (6.76) 1.375 0.625 0.094 0.562 0.750 0.312 (34.93) (15.88) (2.39) (14.27) (19.05) (7.92)
0.646 0.093 (16.41) (2.36) 0.812 0.094 (20.62) (2.39) 1.094 0.125 (27.79) (3.18)
0.085 (2.16) 0.140 (3.56) 0.140 (3.56) 0.140 (3.56)
RER45
0.438 0.312 (11.13) (7.92)
0.406 0.203 (10.31) (5.16) 0.562 0.281 (14.27) (7.14) 0.625 0.312 (15.88) (7.92)
RER50
1.938 0.781 0.172 0.719 1.062 0.438 0.531 0.391 (49.23) (19.84) (4.37) (18.26) (26.97) (11.13) (13.49) (9.93)
RER55
2.781 0.844 0.188 1.562 1.938 0.438 0.594 0.422 1.156 0.125 (70.64) (21.44) (4.78) (39.67) (49.23) (11.13) (15.09) (10.72) (29.36) (3.18)
NOTES: dimensions inches. Metric equivalents nearest given general information only based upon inch Millimeters parentheses. FIGURE Styles RER40, RER45, RER50, RER55 (non-inductively wound) resistors.
MIL-PRF-39009/2B
3.2.1 Weight. maximum weight shall specified table TABLE Weight. Resistor style RER40 RER45 RER50 RER55 Weight (grams, maximum) 16.5 35.0
Power rating. power rating shall specified table based full-load operation ambient temperature 25°C, when mounted chassis specified (see 6.5). TABLE Power rating. Resistor style RER40 RER45 RER50 RER55 Power rating (watts)
3.3.1 Power rating (free air). free (resistor mounted chassis) power rating based full load operation 25°C shall specified table III. TABLE III. Power rating (free air). Resistor style RER40 RER45 RER50 RER55 Power rating (watts)
Resistance. minimum maximum nominal resistance values shall specified table
MIL-PRF-39009/2B
TABLE Minimum maximum nominal resistance values. Resistor style Resistance values Minimum Ohms Maximum Ohms 1,650 2,800 6,040 19,600
RER40 RER45 RER50 RER55
VERIFICATION Sampling inspection. Sampling inspection shall accordance with MIL-PRF-39009 specified herein. Dielectric withstanding voltage. 4.2.1 atmospheric pressure. magnitude test voltage shall specified table TABLE Dielectric withstanding voltages atmospheric pressure. Resistor style RER40 RER45 RER50 RER55 Dielectric withstanding test voltage Volts (rms) 1,000 1,000 1,000 2,000
4.2.2 reduced barometric pressure. magnitude test voltage shall volts. Terminal strength. direct pull shall specified table TABLE Direct pull. Resistor style RER40 RER45 RER50 RER55 Direct pull (pounds) -1/4 -1/4 -1/2 -1/2
Chassis dimensions. chassis dimensions shall specified table VII.
MIL-PRF-39009/2B
TABLE VII. Chassis dimensions. Resistor style Length, width, height Inches 6x4x2 6x4x2 7x5x2 7x5x2 Thickness
RER40 RER45 RER50 RER55
Inch
PACKAGING Packaging. acquisition purposes, packaging requirements shall specified contract order (see 6.2). When actual packaging material performed personnel, these personnel need contact responsible packaging activity ascertain requisite packaging requirements. Packaging requirements maintained Inventory Control Point's packaging activity within Military Department Defense Agency, within Military Department's System Command. Packaging data retrieval available from managing Military Department's Defense Agency's automated packaging files, CD-ROM products, contacting responsible packaging activity. NOTES (This section contains information general explanatory nature that helpful, mandatory.) Intended use. addition notes specified herein, notes specified MIL-PRF-39009 applicable this specification. Acquisition requirements. Acquisition documents must specify following: Title, number, date this specification complete (see 1.2.1). Issue DoDISS cited solicitation, required, specific issue individual documents referenced (see 2.1). c.Packaging requirements (see 5.1).
MIL-PRF-39009/2B
NOTE: chassis derating curves based full power ratings ambient temperature 25°C. These curves independent temperature derating curves. FIGURE Chassis area derating curves.
MIL-PRF-39009/2B MIL-R-18546/1 substitution data. Resistors this specification, regardless failure rate (FR), substitutes resistors same resistance value characteristic inactivated specification MIL-R-18546/1 accordance with table VIII. TABLE VIII. Substitution data. MIL-R-18546/1 characteristic (Non-Inductive wound) Style RE60 RE65 RE70 RE75 Substitute MIL-PRF-39009/2 Style RER40 RER45 RER50 RER55
6.3.1 Interchangeability. increase power rating RER50 this revision does require assignment Federal Stock Numbers items previously described RE50, watt rating. Items this specification mutually interchangeable with items same type designation procured under MIL-R-39009/2A. Chassis area derating curves. Figure used design information. Change power rating RER50. revision style RER50 watts from previous watt rating based qualification similar style RE70 (characteristic under MIL-R-18546. addition, accumulated component hours watts have been halved qualification level retention. Until Sufficient hours established watts, Qualified Products List will continue list levels previous watt rating, addition, level watt rating Changes from previous issue. Marginal notations used this revision identify changes with respect previous issue extensiveness changes.
Custodians: Army Navy Force Review activities: Army CR4, Navy Force
Preparing activity: Army Agent: (Project 5905-1441-02)
STANDARDIZATION
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NOTE: This form used request copies documents, request waivers, clarification requirements current contracts. Comments submitted this form constitute imply authorization waive portion referenced document(s)
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RECOMMEND CHANGE:
DOCUMENT NUMBER MlL-PRF-39009/2B
DOCUMENT DATE (YYMMDD) 3-JUL-1997
DOCUMENT TITLE RESISTORS, FIXED, WIRE-WOUND, (POWER TYPE, CHASSIS MOUNTED), NONESTABLISHED RELIABILITY, ESTABLISHED RELIABILITY, STYLES RER40, RER45, RER50, RER55 (Mentitj' paragraph number include pfoposed rawfite, impossible. Attach extra sheets needed.)
NATURE CHANGE
REASON
RECOMMENDATION
SUBMITTER NAME (Last, First, Mjddle Initial) ADDRESS (/nc/ude Code) ORGANIZATION TELEPHONE (Include Area Code) Commercial AU'FOVON
applicable) PREPARING NAME ACTIVITY TELEPHONE /nc/ude Area Code) AUTOVON 987-3441
7.DATE SUBMITTED (YYMMDD)
Army Communications-Electronics
ADDRESS AlTN: (Include Code) 07703-5023
Command
Commercial
(908)427-3441
AMSEL-LC-LEO-E-EP
Fort Monmouth,
RECEIVE REPLY WITHIN DAYS, CONTACT: DEFENSE QUALITY STANDARDIZATION OFFICE 5203 Leesburg Pike, Suite 1403, Falls Church, 22401-3466 Telephone (703) 756-2340 AUTOVON 289-2340 Previous editions obso/ete. 198/290
Form
1426,

MIL-R-39009/2A April 1970 PERFORMANCE SPECIFICATION RESISTORS, FIXED,

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