1、AMSC N/A FSC 5960 MIL-E-1/83G w/AMENDMENT 1 18 March 2008 SUPERSEDING MIL-E-1/83G 26 March 2003 MILITARY SPECIFICATION SHEET ELECTRON TUBE, THYRATRON TYPE 5727 This specification is approved for use by all Depart- ments and Agencies of the Department of Defense. The requirements for acquiring the el
2、ectron tube described herein shall consist of this document and MIL-PRF-1. DESCRIPTION: Tetrode, xenon gas. Outline - 5-2 (EIA). Cathode - Coated uni-potential Mounting position - Any Weight - 0.3 ounce (8.5 grams) nominal. Base connections: RATINGS: RATINGS: See footnotes at end of table I. INCH-PO
3、UND Pin no. - 1 2 3 4 5 6 7 Element - g1 k h h g2 a g2 Conduction Non-conduction Parameter: Ef epp epy epx Ec2 Ec1 ec2 ec1 ehk Rg1 Rg2 ik Unit: V v v v V V v v v Meg Ohms a Relay, G controlled rectifier: Maximum: 6.9 - 650 1,300 - - - - 25 10 - 0.5 Minimum: 5.7 - - - -10 -10 -100 -100 -100 - - - Pul
4、se modulator: Maximum: 6.9 500 1/ 500 100 - - - - 0 0.5 25K 10 Minimum: 6.0 - - - -10 -10 -50 -100 0 - 2K - Test conditions: 6.3 - - - 0 - - - - - - - Parameter: ik Ic2 ic1 Ig2 Ig1 tp dik/dt prr Du TA tk Unit: mA2/ ma ma mA 2/ mA 2/ s a/s - - C sec Relay, G controlled rectifier: Maximum: 100 - - 10
5、10 - - - - 90 - Minimum: - - - - - - - - - -75 20 Pulse modulator: Maximum: 10 20 20 - - 5 100 500 0.001 90 - Minimum: - - - - - - - - - -75 20 Test conditions: - - - - - - - - - - 20 (min) This specification sheet is inactive for new design after 7 March 1997. Provided by IHSNot for ResaleNo reprod
6、uction or networking permitted without license from IHS-,-,-MIL-E-1/83G w/AMENDMENT 1 2 GENERAL: First article test is required and shall consist of 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 units for a lot size greater than or
7、 equal to 151 units. All samples will pass conformance inspection part 1 of table I before continuing. Half of the samples shall then be subjected to conformance inspection part 2, and the remaining samples shall be subjected to part 3, with no test failures permitted during any testing. After first
8、 article approval, acceptance testing shall consist of conformance inspection part 1 of table I with sample size in accordance with table III, category XVI (acceptance level 10.0) of MIL-PRF-1. Reliable tube. Holding period in accordance with MIL-STD-1311: t = 24 hours. TABLE I. Testing and inspecti
9、on. Limits MIL-STD-1311 test method Requirement or test Conditions Symbol Min Max Units Conformance inspection, part 1 1201 Short and discontinuity detection - - - - 3241 Heater current If 550 650 mA1336 Heater-cathode leakage Ehk = +25 V dc Ehk = -100 V dc Ihk Ihk - - 15 15 A dc A dc 3201 Critical
10、grid voltage for conduction (1) Epp = 460 V ac; Rg1 = 0.1 Meg; Rp = 3,000 ohms 3/ 5/ 6/ Ecc1 -2.9 -4.5 V dc 3201 Critical grid voltage for conduction (2) Epp = 460 V ac; Rg1 = 10 Meg; Rp = 3,000 ohms 5/ 6/ Ecc1 - -5.2 V dc3201 Critical anode voltage for conduction (1) Ecc1 = 0; Rg1 = 0.1 Meg; Rp = 1
11、,000 ohms 5/ Ebb - 38 V dc3201 Critical anode voltage for conduction (2) Ef = 0; Ecc1 = -100 V dc; Rg1 = 0; Rp = 10,000 ohms 5/ 7/ Ebb 650 - V dc1231 Pulse emission e = 180 9 v; t = 3 sec (max); Rp = 10 ohms; Ra = 15 ohms; Zm = 7.5 ohms; prr = 100 5; calibrating resistor = 5 ohms etd - 76 v See foot
12、notes at end of table. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-E-1/83G w/AMENDMENT 1 3 TABLE I. Testing and inspection - Continued. Limits MIL-STD-1311 test method Requirement or test Conditions Symbol Min Max Units Conformance inspection
13、, part 1 - Continued - Operation Ebb = 500 V dc (approx); egy = 100 v; epy = 1,000 v; Ecc1 = -50 V dc; Ecc2 = 0; prr = 500; Zo = 25 5 percent; Rl = 20 5 percent 8/ ib 16 - a Conformance inspection, part 2 1211 Insulation of electrodes Ef = 6.3 V; Eg2-p = 380 V dc 9/ R 760 - Meg 1121 Base strain - -
14、- - 2126 Envelope strain 3/ - - - - 1031 High-frequency vibration No voltages applied; fixed amplitude = 0.0625 0.0025 - - - - 1041 Shock 720 G - - - - - Shock-test end points: 1336 Heater-cathode leakage Ehk = +25 V dc Ehk = -100 V dc Ihk Ihk - - 40 40 A dc A dc 3201 Critical anode voltage for cond
15、uction (1) Ebb - 50 V dc1231 Pulse emission Etd - 76 v 3201 Critical anode voltage for conduction (1) Ecc1 -2.9 -4.5 V dc 3201 Critical grid voltage for conduction (3) Ef = 7.0 V; Epp = 460 V ac; Rg1 = 10 Meg; Rp = 3,000 ohms 5/ 6/ 10/ Ecc1 - -6.4 V dc3201 Critical grid voltage for conduction (3) Ef
16、 = 5.7 V; Ecc1 = 0; Rg1 = 0.1 Meg; Rp = 1,000 ohms 5/ 11/ Ebb - 50 V dc1261 Electrode voltage (grid no. 2) Epp = 150 V ac; Egg1 = 16 V ac; Rp = 1,000 ohms; Rg1 = 2,500 ohms 12/ 13/ Egg2 1.9 3.3 V acSee footnotes at end of table. Provided by IHSNot for ResaleNo reproduction or networking permitted wi
17、thout license from IHS-,-,-MIL-E-1/83G w/AMENDMENT 1 4 TABLE I. Testing and inspection - Continued. Limits MIL-STD-1311 test method Requirement or test Conditions Symbol Min Max Units Conformance inspection, part 3 1506 Heater-cycling life Ef = 7.5 V; Ehk = -100 V dc; Ec1 = Ec2 = Eb = 0 14/ - - - -
18、- Heater-cycling life-test end poiint: 1336 Heater-cathode leakage Ehk = +25 V dc Ehk = -100 V dc Ihk Ihk - - 20 20 A dc A dc 1516 Stability life Epp = 460 V ac; Rp/Ib = 80 mA dc (min); Rg1 = 50,000 ohms; Rp/ib = 500 ma (min); Ta = room; tk = 20 +0, -1 5/ 15/ - - - - - Stability life-test end points
19、 (2 and 20 hours) 3201 Critical grid voltage for conduction (1) Ecc1 -2.8 -4.6 V dc - Change in grid voltage (1) of individual tubes Ecc1 - 15 % 1501 Intermittent life Epp = 460 V ac; Rp/Ib = 80 mA dc (min); Rg1 = 50,000 ohms; Rp/ib = 500 mA (min); tk = 20 +0, -1; - - - - Ehk = -100 V dc; TE = 150C
20、(min) 5/ 15/ 16/ - Intermittent life-test end points (500 hours) 3241 Heater current If 550 660 mA 3201 Critical grid voltage for conduction (1) Ecc1 -2.0 -4.8 V dc3201 Critical anode voltage for conduction (1) Ebb - 50 V dc1231 Pulse emission etd - 100 v 1336 Heater-cathode leakage Ehk = +25 V dc E
21、hk = -100 V dc Ihk Ihk - - 20 20 A dc A dc 1211 Insulation of electrodes g2 = p R 380 - Meg See footnotes at end of table. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-E-1/83G w/AMENDMENT 1 5 TABLE I. Testing and inspection - Continued. Limits
22、 MIL-STD-1311 test method Requirement or test Conditions Symbol Min Max Units Conformance inspection, part 3 - Continued - Intermittent life-test end points: (1,000 hours) 3241 Heater current If 550 666 MA 3201 Critical anode voltage for conduction (1) Ecc1 -1.6 -4.8 V dc3201 Critical grid voltage f
23、or conduction (1) Ebb - 120 V dc1336 Heater-cathode leakage Ehk = +25 V dc; Ehk = -100 V dc Ihk Ihk - - 50 50 A dc A dc 1211 Insulation of electrodes g2 = p R 300 - Meg - Life test (continuous) Group A; epy = 500 v (approx); egy = 100 v (max); Ecc1 = -50 V dc; Ecc2 = 0; Zo = 12.5 5 percent; Rl = 7.5
24、 5 percent 18/ - - - - - Life-test end points; (200 hours) (continuous) 1231 Pulse emission etd - 100 v - Operation under continuous life-test conditions 4/ ib 16 - a 1031 Vibration-fatigue - - - - - Vibration-fatigue test end points: 1336 Heater-cathode leakage Ehk = +25 V dc; Ehk = -100 V dc Ihk I
25、hk - - 40 40 A dc A dc 3201 Critical anode voltage for conduction (1) Ebb - 50 V dc1231 Pulse emission etd - 76 v 3201 Critical anode voltage for conduction (1) Ecc1 -2.9 -4.5 V dc 1/ After completion of a pulse, a 20 s delay is required before positive voltage of more than 10 v is applied to tube.
26、2/ Averaged over any interval of 30 seconds maximum. 3/ This test shall be performed at the conclusion of the holding period. 4/ Thirty seconds shall be the maximum time under test conditions before reading ib. There shall be no evidence of amplitude jitter. 5/ Connect pins No. 5 and No. 7 to pin No
27、. 2. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-E-1/83G w/AMENDMENT 1 6 TABLE I. Testing and inspection - Continued. 6/ Use miniature steatite socket with grounded shield base. Shield the anode power supply. Use short shielded anode and grid
28、 leads. Anode and grid resistors shall be non-inductive. Connect the grid resistor directly at socket. 7/ No voltages shall be applied to the tube for 20 minutes minimum preceding this test. 8/ Thirty seconds maximum in the operation test socket is permitted before reading. There shall be no evidenc
29、e of amplitude jitter. The tube shall be tested in the circuit shown on figure 1. The circuit constants shall be so chosen that: at epy = 1,000 v under resonant charging conditions, dik/dt = 100 a/s minimum, tp = 2.0 s 10 percent, prr = 500. The grid pulse characteristic at egy = 100 v shall be: tp
30、= 2.0 s maximum, tr = 0.5 s minimum, driver impedance = 500 ohms minimum. 9/ Read electrode insulation between g2 and anode with all other elements floating. 10/ Preheat for 15 minutes under the following conditions: Ef = 7.0 V; Epp = 220 V ac; Ecc1 = Ecc2 = 0; Rg1 = 10 Meg; Ib = 100 mA dc. Two seco
31、nds shall be the maximum time between preheat and test. 11/ Preheat using Ef = 5.7 V. 12/ Egg1 supply shall be in phase with Epp supply and Egg2 supply 180 degrees out of phase with Epp supply. 13/ Vary Egg2 supply and read Egg2 at which conduction occurs. 14/ The no-load to steady-state full-load r
32、egulation of the heater-voltage supply shall not be more than 3.0 percent. This test shall be made on a lot-by-lot basis. 15/ Phase of grid voltage adjusted to provide start of conduction at peak applied anode voltage. 16/ Envelope temperature (TE) is defined as the highest temperature indicated whe
33、n using a thermocouple of No. 30 B and S or smaller diameter elements welded to a ring of .025-inch diameter phosphor bronze in contact with the envelope. The envelope temperature requirement will be satisfied if a tube, which draws 80 mA dc (5 percent) anode current and 500 ma (5 percent) peak anod
34、e current under the life-test conditions, is determined to operate at, or above, the minimum specified temperature at any position on the life-test rack. 17/ Adjust epy for ib = 20a initially, and maintain this epy value throughout the life test. The tube shall be tested in the circuit shown on figu
35、re 1. The circuit constants shall be so chosen that: at epy = 500 v under resonant charging conditions, dik/dt = 100 a/s minimum, tp = 2.0 s 10 percent, prr = 1,000. The grid pulse characteristic at egy = 100 v shall be: tp = 2.0 s maximum, tr = 0.5 s minimum, and driver impedance = 500 ohms minimum
36、. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-E-1/83G w/AMENDMENT 1 7 FIGURE 1. Test circuit. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-E-1/83G w/AMENDMENT 1 8 Referenced documents.
37、In addition to MIL-PRF-1, this specification sheet references MIL-STD-1311. Amendment notations. The margins of this specification are marked with vertical lines to indicate modifications generated by this amendment. The was done as a convenience only and the Government assumes no liability whatsoev
38、er 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. Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force - 11 (Project 5960-2008-039) DLA
39、- CC Review activities: Army - AR, 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 http:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
