1、 MIL-N-63400 (2) 23 m 7997906 0347763 4 i,4-/9-/9 MIL-N- 6 340 0 (AR) AMENDMENT 2 05 AUGUST 1988 SUPERSEDING AMENDMENT 1 19 December 1983 MILITARY SPECIFICATION NETWORKS, CAPACITOR - RESISTOR This amendment forms a part of Military Specification MIL-N-63400 (AR), dated 19 October 1981, and is appro
2、ved for use within the U.S. Army Armament, Munitions and Chemical Command, and is available for use by all Departments and Agencies of the Department of Defense. PAGE 1 Preamble, lines 1 and 2: Delete “U.S. Army . Command,“ and substitute “U.S. Army Armament Research, Development and Engineering Cen
3、ter (ARDEG) ,“. PAGE 2 DRAWINGS : U.S. . . . COMMAND: Delete “COMMAND“ and substitute “CENTER“. Line 4: Add “9287175 - Network, Capacitor - Resistor“. PAGE 4 Thermal shock, Column 4: Delete I+ 0.5“ and substitute - “+ - 0.7“. Power and Voltage Conditioning, Column 4: Delete I+ - 0.5“ and substitute
4、li+ - O. 7“. Resistor - Temperature Characteristic, Column 4: Delete I+ 250 and substitute I+ 300“. - - .Power Rating: Add I, Voltage Rating“; Column 2, herein: Add “3.4.3, 3.4.2“; Column 5, Capacitor Elements: Add I+ - 10“. MEC N/A 1 of 4 FSC 1345 DISTRIBUTION STATEMENT A. Approved for public relea
5、se; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-N-b3400 (2) 13 W 777770b 03477b4 b MIL-N-63400 (AR) AMENDMENT 2 Line 25, Columns 1, 3, 4, 5, 6: Add to the Columns “High Temperature Exposure, 3.25, - + 1.0, -, Percen
6、t Change“. elements: see 4T5.2 and 4.5.3 herein.“ NOTES: Add “2/ For inaccessible resistor or capacitor PAGE 5 * 3.4.1: Add the following sentence: “The changes in resistance and capacitance for the combined Thermal Shock and Power and Voltage Conditioning Tests, between the initial and final measur
7、ements shall not exceed + (0.7 percent + 0.01 ohm) for resistor elements and - + i0 percent for capacitor elements.“ 3.4.2 Delete “Maximum voltaqe.“ and substitute “Voltage rating. “ volts minimum.“ Add this sentence: “The rated voltage for the capacitor is 25 Add“ “3.4.3 Power rating. The power rat
8、ing at 70OC shall be 0.1 Watt for each resistoc element and 1.4 Watts maximum for the total package. The power ratings at 25% for 1000 hours of life shall be 0.125 Watt for each resistor element and 1.75 Watts maximum for the tiotal package.“ (- PAGE 7 Table II: Dielectric capacitor, Column 5: Follo
9、wing “4.6.14.2“ add I, “4.5.3“. Dissipation Factor, Column 5: Following “4.6.7“ add I, Insulation resistance of the capacitor, Column 5: *4.5.3“. Following “4.6.15.2“ add I, *4.5.3“. PAGE 8 Group IV: Dielectric withstanding voltage: Add I (Network)“. Insultion resistance: Add (Network)“. Group VII,
10、Columns 1, 4, 5: Add to the columns “High temperature exposure, 3.4.1, 4.6.21“. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I MIL-N-63V00 13 MIL-N-63400 AMENDMENT 2 PAGE 9 4.4.2.1: Group A inspection: Delete sentence and substitute “Group A ins
11、pection shall consist of the examinations and test specified in 4.4.2.4 and, unless noted otherwise, shall be made on the same set of sample units in the order shown.“ a. Sampling plan. lines 1 and 2: Delete “subgroups 1 and 2“ and substitute “subgroup 2“. PAGE 10 Group A: Delete “0.40% AQL“ and sub
12、stitute “100%“ for each of the following:- Thermal shock; Power and Voltage Conditioning; DC resistance; Capacitance. Delete in their entirety the following tests: Dielectric withstanding voltage of the capacitor; Dissipation Factor; Insulation resistance of the capacitor. PAGE 11 4.4.2.5: Dielectri
13、c withstanding voltage of the capacitor: Dissipator factor“ Following “4.6.7“ add I, “4.5.3“. Insulation resistance of the capacitor: Following NOTES: Add “*Method paragraph herein.“ Following “4.6.14.2“ add “, “4.5.3“. “4.6.15.2“ add I , *4.5.3“. PAGE 12 Group C, Monthly: Delete “Short-time overloa
14、d in its entirety“. Group C, subgroup 1, Quarterly: Delete “Dielectric withstanding voltage (network) and Insulation resistance (network) in their entirety“. Group C, subgroup 2, Semiannually: Delet “Solderability in its entirety“ . Subgroup 3, Columns 1, 4, 5: Add to the columns the following “High
15、 temperature exposure, 3.4.1, 4.6.2.1“. i 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-N-63400 (2) 13 W 777770b 03477bb T - I MIL-N-63400 (AR) AMENDMENT 2 PAGE 13 Add the following paragraphs: “4.5.2 Inaccessible resistor or capacitor eleme
16、nts. Where resistor or capacitor elements are not directly and independently available to terminal pins for testing, the test or measurement shall be made in the most direct manner between two (2) pins. The pin to pin measurement shall be used directly to determine the acceptability to section 3 req
17、uirement. Where voltage application is restricted because of parallel elements the voltage shall be limited to the rated voltage on any effected element.“. “4.5.3 Tests for dissipation factor, dielectric withstanding voltage of capacitor. Dissipation factor, dielectric withstanding voltage and insul
18、ation resistance of the capacitors shall be measured at each point in First Article Inspection, Quality Conformance Inspection whenever a dielectric Withstanding voltage or insulation resistance is in the circuit in parallel to the capacitor the dissipation factor and insulation resistance tests .of
19、 the capacitor are not required“. (- PAGE 14 6.3, line 4: Delete “Command and DRDAR-QAA-I“ and substitute 6.4, line 4: Delete “Command and DDAR-QAA-M“ and substitute 6.5, line 3: Delete “Command and (ARRADCOM)“ and substitute line 4: Delete “as,t and substitute “as U.S. Army “Engineering Center, ATT
20、N: AMSMC-QAT-I (D)“. “Engineering Center, ATTN: AMSMC-QAT-M (D)“ . “Engineering Center (ARDEC)“ . Armament Research and Development Command (ARRADCOM),“; line 7: Delete “ARRADCOM“ and substitute “ARDEC“. The margins of this amendment are maxked with an asterisk or vertical line to indicate where cha
21、nges (additions, modifications, corrections, deletions) from the previous amendment 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 do
22、cument based on the entire content irrespective of the marginal notations and relationship to the last previous amendment. Custodian: Preparing activity: Army-AR Army-AR (Project : 13 45-A3 46) 4 _- . . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
