1、MIL- E- 5 074s (MU) 8 August, 1973 MILITARY SPECIFICATION ELECTRONIC COMPONENT ASSEMBLY: 11737807 (PRE-REGULATOR) This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1. 1 This specification covers one type of electronic assembly known as Elec
2、tronic Component Assembly: 11737807 (Pre-regulator) (see 6.1). 2. APPLICABLE DOCUMENTS 2. 1 The following documents, of the issue in effect on date of invitation for bids or request for proposal, form a part of this specification to the extent specified herein. SPECIFICATIONS Military MIL- F- 1 3 92
3、6 Fire Control Materiel: General Specification Governing the Manufacture and Inspection of MIL-1-45607 Inspection Equipment; Acquisition, Maintenance, and Disposition of MIL-S-45743 Soldering, Manual Type, High Re liability E le ctrical, Electronic, Instrument, Communication, and Radar for Aerospace
4、 and Control System, Procedure for *.$SC-1240 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-E-50745 12 7797906 0430753 L = -3 MIL- E - 50745 ( MU) 8 August 1973 MIL-S-46844 Solder Bath Soldering of Prizted Wiring Assemblies, Autonlaric Machine
5、Type STANDARDS Mi lita ry MIL-STD- 105 Sampling Procedures and Ta3les for Inspection by Attributes MIL-STD- 109 Quality Assurance Terms ax! De finitions MIL-STD-81 O Environmental Test Xlethods DRA WINGS U. S. Army, Frankford Arsenal F11737807 Electronic Component Assembly: 11737807 (Pre-regulator)
6、PACKAGING DATA SHEET 11737807 Packaging of Electronic Component Assembly: 11737807 (Pre- regulator) (Copies of specifications, standards drawings, and packaging data sheets required by suppliers in connection with specific procurement functions should be obtained from the procuring activity or as di
7、rected by the contracting officer. ) . 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-1 F MIL-E-50745 12 m 9777706 0430754 3 m MIL-E -50745(MU) 8 August 1973 3. REQUIREMENTS 3. 1 Fabrication. The Electronic Component Assembly - (Pre- regulator), h
8、erein referred to as the assembly, shall be manufactured in accordance with Drawing F11737807 and drawings pertaining thereto. 3. 2 General specification. The assembly shall meet the following requirements, where applicable, of MIL-F-13926: a. Order of precedence b. Dimensions and tolerances c. Part
9、 identificaion and marking. d Electrical and electronic assemblies e, Workmans hip. 3.2.1 Soldering. Soldering shall be in accordance with MIL-S- 45743 or MIL-S-46844, except that bare copper wire exposure shall be permitted at clipped ends of component leads. 3. 3 Performance. Unless otherwise spec
10、ified, the assembly shall meet the performance requirements of this specification at standard ambient temperatures between 60 degrees Fahrenheit (OF) and 90F. 3. 3.1 Loads, power, and auxiliary equipment, The assembly shall perform as specified herein when the toads, power, and auxiliary equipment o
11、f table I are applied as specified, 3. 3. 1. 1 Full load output voltage characteristics. Under the full load (item 1. 1) condition of table I, with the t29. O Vdc power source (item 2. 2 of table I) connected to pins as specified therein and set to apply t29. O fl. O Vdc, and with the adjustable vol
12、tage source (item 2. 1 of table I) set to apply t24. O f2. O Vdc at J1-1 , the full load output voltage characteristics at the designated terminals shall be as specified in table II. 3.3.1. 2 Reduced load output voltage characteristics. Under the reduced load (item 1.2) condition of table I, with th
13、e t29. O Vdc power source (item 2.2 of table I) connected to pins as specified therein and set to apply t29. O fl. O Vdc, and with the adjustable voltage source (item 2.1 of table I) set to apply t24. O f2. O Vdc at J1-1, the reduced load output voltage characteristics at the designated terminals sh
14、all be as specified in table II. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Item 1. 1.1 1.1.1 1.1.2 1.2 1.2.1 1.2.2 2. 2.1 2.2 3. TABLE I LOADS, POWER, AND AUXILIARY EQUIPMENT Conditions Loads Full loads Resistor Resistor Reduced loads Resisto
15、r Resistor Power sources t17 to t31 Vdc +ZY.O Vdc Auxiliary equip ment C ha ract e ri s tic s 5S2;t5 percent 27Q k5 percent 1552 *5 percent 3952 *5 percent Adjustable Ripple: O. 1 V rms niaximum Source impedance: - 0.01 ohm Tolerance: -kl Vdc Ripple: O. 1 Vrms maximum Source impedance: - 0.1 ohm Pre
16、- regulator Switch Drive as shown on Figure 1, or equivalent. Connections Connected between the following pins, as specified: J1-7 and JI -5 J1-9 and J1-5 J1-7 and J1=5 JI-9 and JI-5 Applied between the following pins, as specified: JI -1 (t) and JI -5(-) J1-3(+) and J1-5(-) Connected to JI as shown
17、 on Figure 1. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. , MIL-E-50745 12 9 9999906 0430756 7 a vv 7 1 6 5 L-? MIL - E - 50 745 (MU) 8 August 1973 m ri$ r i u3600 i K Q i/a 1.3600 - k59 I -4- -1- JAN 1N758A L m3499 1 i if 1 I 3 Pf i J1 Figur
18、e 1. Pre-regulator Switch Drive Schematic 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-E-50745 12 W 7777706 0430757 7 W 6 . Output voltage characteristics Pins of Item JI DC voltage Ripple 1 7 t15.0 f1.2 Vdc O. 9V p-p 2 9 +IO. O terms shall
19、be as listed in MIL-STD-109. 4. 2 First article (initial production) approval. The requirement The sample for first article approval and the responsibility (Government or contractor) for first article testing shall be as specified in the contract. for first article approval tests shall consist of th
20、ree assemblies. sample shall be manufactured in the same manner, using the same mater- ials, equipment, processes, and procedures as used in regular production. All parts and materials, including packaging and packing, shall be obtained from the same source of supply as used in regular production. T
21、he 4.2.1 Gove rnment testing. When the Government is responsible for conducting first articte approval tests, the contractor, prior to sub- mitting the sample to the Government, shall inspect the sample to insure conformance to alt the requirements of this specification. A record of this inspection,
22、 including certificates of conformance for mate rials, shall be submitted with the sample. 4. 2. 2 Contractor testing. When the contractor is responsible for conduction first article approval tests, the sample shall be inspected by the contractor for alt the requirements of this specification, The s
23、ample and a record of this inspection, including certificates of conformance for materials, shall be submitted to the Government for approval. The Government reserves the right to witness the contractors inspection. 4. 3 Inspection provisions 4. 3. 1 Submission of product. Unless otherwise specified
24、 herein, or by the contracting officer, inspection lot size, lot formation and pre- sentation of lots shall be in accordance with inspection and sampling procedures herein and submission of product provisions of MIL-STD- 105. 8 Provided by IHSNot for ResaleNo reproduction or networking permitted wit
25、hout license from IHS-,-,-MIL-E-507LI5 12 = 777770b OLI307b0 7 M MIL-E- 50745(MU) 8 August 1973 4. 3. 2 Examination and tests 4. 3.2. 1 Components and subassemblies. All components and subassemblies shall be inspected in accordance with the inspection pro- visions contained in the respective specifi
26、cations and Supplementary Quality Assurance Provisions (SQAP) listed in the technical data package (TDP). In the absence of SQAPs, the applicable quality assurance provisions of MIL-F-13926 shall apply. 4. 3. 2. 2 Functional tests. shall be inspected on a 100 percent basis. be conducted at the stand
27、ard ambient temperature. The requirements and tests in table III All examinations and tests shall 4. 4 Special sampling. accordance with section 7 of MIL-STD- 105. The selection of samples shall be in 4.4. 1 General. One assembly shall be selected at random by a Government representative as a contro
28、l sample from each 50 produced, The control sample shall meet the requirements and tests in table IV. 4.4.2 Environmental. Three assemblies shall be selected at random by a Government representative as a control sample from each 50 produced or from each months production, whichever occurs .firs. The
29、 control samples shall meet the requirements and tests in table V. 4.4. 3 Acceptance and rejection. Rejected lots shall be screened for all defective characteristics. Removal or correction of defective units and resubmittance of rejected lots shall be in accordanee with the acceptance and rejection
30、criteria specified in MIL-STD-105. 4. 5 Inspection equipment. Except as otherwise provided for by the contract, the contractor shall supply and maintain inspec tion equipment _ . in accordance with the applicable requirements of MIL-1-45607, inspection equipment listed in table VI shall be utilized
31、in performing the tests specified herein. The- 4. 5, 1 Government furnished inspection equipment. Where the contract provides for Government furnished inspection equipment, supply and maintenance of inspection equipment shall be in accordance with the applicable requirements spec if ied in MIL -I- 4
32、560 7. 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-E - 50745(MU) 8 August 1973 F TABLE III FUNCTIONAL TESTS Clac si - fication Characteristics Res uire ment s 101. Full load output voltage 3.3.1.1 102. Reduced load output voltage 3. 3. 1 I2
33、 characteristics char acte ris tic s 103. Full load output voltage regulation 3 3.1.3 I 3.3.1.4 104. I Continuity Te s t Pa rap raDh 4.6.2 4.6. 3 4.6.4 4.6. 5 TABLE IV SPECIAL SAMPLING - GENERAL Ciassi- I I I I fication Control Tests Requirements Test Paragraph 301. Fabrication 3.1 Applicable drawin
34、gs - visual 302. General specification 3.2 MIL-F-13926 - visual TABLE V SPECIAL SAMPLING - ENVIRONMENTAL Cla s si - fication Control Tests Requirements Test Paragraph 303, Storage temperature 3.3.2.1 4.6.6. 1 304. Ope rating tempe ratures 3.3.2.2 4. 6.6. 1 305. Vi b rat ion 3.3.2.3 4.6.6.2 I 10 Prov
35、ided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-E-50745 12 7777906 OL1307b2 2 W MIL- E- 5 0745 (MU) 8 August 1973 Item 1. 2. 3. 4. 5. 6, TABLE VI INSPECTION EQUIPMEN Nomenclature DC Power Supply DC Power Supply DC Voltnietc r O scill osc ope Pre - re
36、gulato i- Switch Drive Ohmmeter Des c ri pt ion t17 to t31 Vdc, adjustable Ripple: O, i Vrnis iiiaximum Source iInperlance: LO. O1 ohm tz9 Vdc Ripple: O. 1 Vrms rriaxiriiurri Source iriipedancc: 0. 1 ohin Range of O to 50. Vrlc Accuracy:. ! 1 percent Frequency resrmnse: InDut irni)cdancc: I iiiegohn
37、i or greater Sensiiivity: 5 niV!cm Sweep tiiiie: O. 2 r-iiicroseconds/cm rlc to 500 kIIz As specified on figitre 1, or e q ui vale nt Range: O to 10 megohms Accuracy: t 5 percent 4. 5.2 Contractor furnished inspection equipment 4, contract, ficlitions , 5.2. 1 Government design. IJnless otherwise sp
38、ecified in the all inspection equipment specified by drawing number in speci- or SQAPs forming a part of the contract shall be supplied by the contractor in accordance with applicable technical data listed in the TDP. S S 4. 5.2. 2 Contractor design. The contractor shall design and upply inspection
39、equipment compatible with the test methods and procedures pecified in 4.6 of this specification and with the component inspection procedures specified in examination and test facilities provisions of MIL-F-13926. sidered to be within 10 percent of the product tolerance for which it is intended, this
40、 inherent error in the inspection equipment design must be considered as part of the prescribed product tolerance limit. Thus, concept, construction, materials, dimensions, and tolerances used in the design of inspection equipment shall be so selected and controlled as to insure that the inspection
41、equipment will reliability indicate acceptability of a product which does not exceed 90 percent of the prescribed tolerance limit and permit positive rejection when non-conforming. Construction shall be such as to facilitate routine calibration of inspection equipment. Since tolerance of inspection
42、equipment is normally con- 11 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-E-50745 L2 = 7777706 0430763 4 MIL - E - 5 O 745 (MU) 8 August 1973 4.6 Test methods and procedures 4.6. 1 Test conditions. Unless otherwise specified, the test conditi
43、ons shall be in accordance with the test facilities provisions of MIL-F- 13926. 4.6. 1. 1 Initial conditions. Connect the auxiliary equipment (item 3 of table I) to the assembly as specified therein. 4.6. 1.2 Initial power conditi.ons. Except as otherwise specified, connect the t29 Vdc power source
44、(item 2.2 of table I) to pins as specified therein and adjust the source to apply t2Y. O *l. O Vdc. 4.6.2 Full load output voltage characteristics test, Connect the full loads (item 1. 1 of table I) to pins as specified therein. adjustable power source (item 2. 1 of table I) to pins as specified the
45、rein, and adjust the source to apply t24.0 *2.0 Vdc. characteristics at JI -7 and JI -9, to determine compliance with 3. 3.1. 1. Connect the iMeasure the output voltage 4.6. 3 Reduced load output voltage characteristics test, Connect the reduced loads (item 1.2 of table I) to pins as specified there
46、in. the adjustable power source (item 2. 1 of table I) to pins as specified therein, and adjust the source to apply t24.0 *2.0 Vdc. characteristics at J1-7 and J1-9, to determine compliance with 3. 3,l. 2. Connect Measure the output voltage 4.6.4 Full load output voltage regulation test. Connect the
47、 full loads (item 1. 1 of table I) to pins as specified therein. adjustable power source (item 2. 1 of table I) to pins as specified thereiq and adjust the source to apply, in any order, the following voltages at J1-1: t18.0 r8.6 Vdc, t24.0 it2.0 Vdc, and t30.0 r7.0 Vdc. Measure the output voltage a
48、t J1-7 for each input voltage condition, to determine compliance with 3. 3.1.3. Connect the 4.6. 5 Continuity test. With neither of the power sources (item 2 of table I) connected, perform resistance measurements between 51-5 and each of J1-2, J1-4, and 51-8, to determine compliance with 3.3.1.4. 4.
49、6.6 Environmental tests 4.6.6.1 Temperature, The test apparatus shall be in accordance with the applicable test facilities provisions of MIL-F- 13926 except that the assembly may be mounted onthe inside surface of the test chamber. 12 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-z MIL-E-50745
