1、AMSC N/A FSC 5960 MIL-E-1/197F 17 September 2013 SUPERSEDING MIL-E-1/197E 14 April 2003 MILITARY SPECIFICATION SHEET ELECTRON TUBE, RECEIVING TYPE 6L6WGB This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the electron t
2、ube described herein shall consist of this document and MIL-PRF-1. DESCRIPTION: Pentode, rugged, beam-power amplifier. Outline - 11-2 (EIA) except for base Base - B7-59 or B6-84 (phenolic) Envelope - T11 Cathode - Coated unipotential Base connections: Pin no. - 1 2 3 4 5 7 8 Element - nc h a g2 g1 h
3、 k, beam plates ABSOLUTE RATINGS: Parameter: Ef Eb Ec1 Ec2 Ehk Pp Pg2 Alt Unit: V V dc V dc V dc v W W ft Maximum: 6.9 400 - 300 200 26 3.5 1/ Minimum: 5.7 - - - - - - - Test conditions: 6.3 250 -14 250 - - - - GENERAL: Qualification Not required. First article test is required and shall consist of
4、all tests in table I with a sample size of 2 for a lot size less than or equal to 150 units and a sample size of 4 for a lot size greater than or equal to 151 units. All samples shall pass conformance inspection part 1 of table I before continuing. Half of the samples shall then be subjected to conf
5、ormance inspection part 2, and the remaining samples shall be subjected to part 3, with no test failures permitted during any testing. After first article approval, acceptance testing shall consist of conformance inspection part 1 of table I with sample size in accordance with table III, category XV
6、I (acceptance level 10.0) of MIL-PRF-1. INCH-POUND Inactive for new design after 7 March 1997. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-E-1/197F 2 TABLE I. Testing and inspection. Requirement or test MIL-STD-1311 Method Conditions Symbol L
7、imits Units Min Max First Article inspection Base material insulating quality 1216 Zone 5 (min) - - - - Variable-frequency vibration 1031 Rp = 2,000 ohms; Ec1 = -27 V dc Ep - 1,000 mV ac Conformance inspection, part 1 Total grid current 1266 Eb = 400 V dc; Ec2 = 300 V dc; Ec1 = -22 V dc 2/ Ic1 0 -3.
8、0 A dc Electrode current (anode) 1256 Eb = 400 V dc; Ec2 = 300 V dc: Ec1 = -22 V dc Ib 50 80 mA dc Electrode current (screen) 1256 Eb = 400 V dc; Ec2 = 300 V dc: Ec1 = -22 V dc Ic2 0 5.0 mA dc Power output 1341 Esig = 9.8 V ac; Rp = 2,500 ohms Po 5.4 - W Emission 1231 Eb = Ec1 = Ec2 = 50 V dc 2/ Is
9、275 - mA dc Short and discontinuity detection 1201 - - - - Conformance inspection, part 2 Insulation of electrodes 1211 - - - - Heater current 1301 If 840 960 mA Heater-cathode leakage 1336 Ihk - 75 A dc Transconductance 1306 Sm 5,200 6,800 mhos Audio frequency noise 1246 Ecal = 280 mV ac; Rp = 2,00
10、0 ohms EB - 17 vu Low-frequency vibration 1031 Rp = 2,000 ohms; Ec1 = -27 V dc Ep - 1,000 mV ac Shock 1041 450 G; Ehk = 100 V dc 3/ - - - - Vibration-fatigue test 1031 25 G; F = 25 min, 60 max; fixed frequency - - - - Post shock and vibration-fatigue test end points - Low frequency vibration Heater-
11、cathode leakage Transconductance Ep Ihk Sm - - 4,500 1,000 100 - mV ac A dc mhos See footnotes at end of table. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-E-1/197F 3 TABLE I. Testing and inspection - Continued. Requirement or test MIL-STD-13
12、11 Method Conditions Symbol Limits Units Min Max Conformance inspection, part 2 - Continued Secureness of base, cap, or insert 1101 - - - - Glass envelope strain 1126 - - - - Base pin solder depth 1111 - - - - Permanence of marking 1105 - - - - Conformance inspection, part 3 Intermittent life 1501 G
13、roup B; Ehk = 200 V; Eb = 400 V dc; Ec2 = 300 V dc; Ec1 = -22 V dc - - - - Intermittent life-test end points (500 hours) - Power output or Transconductance Po Sm 4.0 4,500 - - W mhos NOTES: 1/ See “Reduced pressure (altitude) rating”, and altitude, maximum peak voltage in the basic document. 2/ The
14、following tests are to be the first tests performed after the holding period in the following sequence: Total grid current: Emission. 3/ A grid resistor of 0.1 Meg shall be added; however, this resistor shall not be used when a thyratron-type short indicator is used. Provided by IHSNot for ResaleNo
15、reproduction or networking permitted without license from IHS-,-,-MIL-E-1/197F 4 Referenced documents. In addition to MIL-PRF-1, this specification sheet references MIL-STD-1311. The margins of this specification are marked with vertical lines to indicate where changes from the previous issue were m
16、ade. 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 entire content irrespective of the marginal notations and relationship
17、 to the last previous issue. Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force - 85 (Project 5960-2013-027) DLA - CC Review activities: Army - AR Navy - AS, CG, MC, OS Air Force - 19, 99 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 https:/assist.dla.mil/. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
