DLA MIL-PRF-1 1590 F-2013 ELECTRON TUBE THYRATRON TYPE 8613.pdf

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1、 MIL-PRF-1/1590F 29 May 2013 SUPERSEDING MIL-PRF-1/1590E 20 March 2007 PERFORMANCE SPECIFICATION SHEET ELECTRON TUBE, THYRATRON TYPE 8613 This specification is approved for use by all Departments and Agencies of the Department of Defense. Requirements for acquiring the electron tube described herein

2、 shall consist of this document and MIL-PRF-1. DESCRIPTION: Triode, hydrogen, ceramic-metal. See figure 1. Mounting position: Any. Weight: 1 pound 2 ounces (510.3 grams) nominal. ABSOLUTE RATINGS: Parameter: Ef epy epx Ebb egy egx Ecc dtdikib Unit: V ac kv kv kV dc v v V dc a/s a Maximum: 6.8 4/ 16.

3、0 1/ 16.0 2/ - 600 3/ 200 200 2,000 500 Minimum: 5.8 2 5% epy 1.0 175 - - - - Test conditions: 6.3 - - - 175 - 0 - - ABSOLUTE RATINGS: Parameter: Ip Ib tk prr Pb tj TA Cooling Unit: A ac A dc sec - - s C - Maximum: 8.0 0.5 - - 10.0 x 1090.005 125 5/ Minimum: - - 180 - - 6/ - - Test conditions: - - 1

4、80 2,000 - - Ambient - See footnotes at end of table I. _ GENERAL: Qualification: Required. This specification sheet uses accept on zero defect sampling in accordance with MIL-PRF-1, table III. AMSC N/A FSC 5960 INCH-POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without

5、license from IHS-,-,-MIL-PRF-1/1590F 2 TABLE I. Testing and inspection. Inspection Method Notes Conditions Symbol Limits Unit MIL-STD-1311 Min Max Conformance inspection, part 1 Instantaneous starting 3267 9/ 10/ epy = 16.0 kV dc (min); Ef = 6.8 V ac - - - - Operation (1) 3246 4/ 9/ 11/ epy = 18.0 k

6、V dc; Ef = 5.8 V ac egy - 175 v Anode delay time 3256 - Operation (1); t = 120 tad - 0.50 s Anode delay time drift 3256 12/ Anode delay time tad - 0.10 s Heater current 3241 - Ef = 6.3 V ac If 6.0 11.5 A ac DC anode voltage for conduction 3247 - Ef = 5.8 V ac Ebb - 1,000 V dc Pulse emission 3251 - i

7、k = 500 a; tp = 5.0 s 10 percent; tr = 0.5 s (max); prr = 60 10 percent time interval = 2.5 s egk - 175 v Conformance inspection, part 2 Operation (2) 3246 11/ Operation (1); Ef = 6.8 V ac; tk = 180 seconds egy - 175 v Operation (3) 3246 14/ epy = 14.0 kV dc; prr = 2,500; Ef = 5.8 V ac; t = 300 seco

8、nds egy - 175 v Time jitter 3261 13/ Operation (1), except epy = 8 kv tj - 0.005 s See footnotes at end of table. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-1/1590F 3 TABLE I. Testing and inspection - Continued. Inspection Method Notes C

9、onditions Symbol Limits Unit MIL-STD-1311 Min Max Conformance inspection, part 3 Life test - 9/ Group C; operation (1); t = 1,000 hours - - - - Life-test end points: Operation (1) and (2) Anode delay time DC anode voltage for conduction Time jitter - 3246 3256 3247 3261 - - - - egy = 200 v egy = 200

10、 v egy tad Ebb tj - - - - 200 0.6 1,250 0.010 v s V dc s Sweep-frequency vibration 1031 8/ 10 to 2,000 Hz - - - - Sweep-frequency vibration end points: Operation (1) DC anode voltage for conduction Time jitter - 3246 3247 3261 - - - egy Ebb tj - - - 175 1,000 0.005 v V dc s Shock 1041 7/ 100 G - - -

11、 - Shock test end points: Operation (1) DC anode voltage for conduction Time jitter - 3246 3247 3261 - - - egy Ebb tj - - - 175 1,000 0.005 v V dc s Operation at elevated ambient temperature 3246 7/ 9/ 15/ TA = +125C; t = 5 hours egy - 175 v See footnotes at end of table. Provided by IHSNot for Resa

12、leNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-1/1590F 4 NOTES: 1/ Instantaneous starting is permissible. The maximum permissible instantaneously applied epy is 16 kv and shall not be attained in less than 0.04 second. 2/ In pulsed operation, the peak inverse voltage,

13、 exclusive of a spike of 0.05 s (maximum) duration, shall not exceed 5 kv dc during the first 25 s following the anode pulse. 3/ The driver pulse, measured at tube socket with thyratron grid disconnected, shall have the following characteristics: Amplitude per ratings; tr = 0.35 s (maximum); tp = 2.

14、0 s (minimum); Zg = 250 to 500 ohms. At -55C, 200 V (minimum) shall be required. 4/ The optimum reservoir voltage for operation in accordance with operation (1) conditions shall be 6.3 V ac and shall be held to within 7.5 percent. 5/ A cooling air blast of 10 cubic feet per minute (cfm) may be direc

15、ted into the anode cup when operating at maximum anode dissipation. 6/ Appreciably less jitter than 0.005 s can be realized if the anode voltage is 8.0 kv or more, the grid-drive amplitude is near the maximum and the grid-drive impedance is near minimum. 7/ This test shall be performed according to

16、the life testing schedule given in MIL-PRF-1 paragraph 4.3.8. 8/ There shall be no pronounced resonance in the range from 10 to 2,000 Hz. 9/ The circuit constants shall be chosen under resonant charging conditions so that: epy = 18.0 kv, ib = 180 a (minimum); dtdik= 1,500 a/s (minimum); tp = 1.0 10

17、percent s; prr = 1,000 (minimum). Grid pulse characteristics shall be: tr = 0.35 s (minimum); tp = 2.0 s (maximum); and driver impedance = 500 ohms (minimum). 10/ The tube shall operate satisfactorily on push-button starting within three attempts when the anode voltage (epy) is applied to the tube u

18、nder test in such a manner as to rise from 0 to 16.0 kv (minimum) within 0.03 second. (The filter in the rectifier shall be designed so that the epy reaches at least 7.0 kv within 0.015 second). 11/ The tube shall operate continuously for 10 minutes. 12/ This test shall be performed simultaneously w

19、ith the operation (1) test. An anode delay time measurement shall be made at the end of 2 and 10 minutes of the operation (1) test. The change in anode delay time (with respect to the 2-minute reading) shall not exceed the value specified herein at any time during this test. 13/ The tube shall be te

20、sted by applying a peak forward anode voltage not to exceed that specified in the test conditions for the time jitter test immediately after the cathode warmup period (tk). The variation in firing time (tj), shall be not greater than the amount specified herein after 60 seconds of operation. 14/ The

21、 circuit constants shall be so chosen that the epy = 14.0 kv; ib = 130 a (minimum); dtdik = 1,250 a/s (minimum); tp = 0.4 s 10 percent; prr = 2,500 (minimum). Grid pulse shall be the same as 9/. 15/ This test shall be conducted for a total of 5 consecutive hours with no more than three kickouts and

22、with no evidence of detrimental anode heating. The tube shall be started with Ef = 107.5 percent V ac and operate at this value for 4 hours. At the start of the fifth hour and while the tube is still operating, the filament voltage shall be lowered to Ef = 92.5 percent V ac and remain there for the

23、final hour of operation. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-1/1590F 5 NOTES: 1. Do not use metal clamp on ceramic envelope. 2. This flange is mechanically and electrically connected to the grid. 3. Recommended anode connected: Li

24、ghtweight spring-clip type (National Co. type 12, or equivalent). 4. The cathode shall be isolated from the base. 5. In certain applications, it may be necessary to extend the anode connector as follows: To replace a 6587 tube type with an 8613, screw the anode adapter marked 6587 firmly into the 86

25、13 anode connector (see figure 1A). To substitute a 8613 tube type for a 5C22, screw the anode adapter marked 5C22 firmly into the 8613 anode connector (see figure 1B). CAUTION: Such substitution may require some equipment modification. FIGURE 1A. Outline drawing of electron tube type 8613. Dimensio

26、ns Ltr Inches Millimeters Min Max Min Max Conformance inspection, part 2 A 6.125 6.625 155.58 168.28 B 4.750 5.150 120.65 130.81 C 2.000 2.375 50.80 60.33 D .559 .573 14.20 14.55 Conformance inspection, part 3 (see note 6) E Base: A4-18 (EIA) Pin connections 1 2 3 4 cap g h, k, r h, r k a Provided b

27、y IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-1/1590F 6 NOTE: Unless otherwise specified, tolerance is .015 inch (0.13 mm). FIGURE 1B. Outline drawing of electron tube type 8613 - Continued. Dimensions Ltr Inches Millimeters Min Max Min Max Conforman

28、ce inspection, part 2 A .561 .571 14.25 14.50 B .610 .640 15.49 16.26 C .875 1.125 22.23 28.58 D .561 .571 14.25 14.50 E 2.110 2.140 53.59 54.36 F 2.375 2.625 60.33 66.68 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-1/1590F 7 Referenced do

29、cuments. 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 made. This was done as a convenience only and the Government assumes no liability whatsoever fo

30、r 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 to the last previous issue. Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air

31、Force - 85 (Project 5960-2013-012) DLA - CC Review activities: Army - CR4 Navy - AS, CG, MC, OS Air Force - 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-,-,-