1、AMSC N/A FSC 5960 MIL-PRF-1/466C 17 October 2008 SUPERSEDING MIL-E-1/466B 4 February 1975 PERFORMANCE SPECIFICATION SHEET ELECTRON TUBE, RECEIVING TYPE 5842 This specification is approved for use by all Depart- ments and Agencies of the Department of Defense. The requirements for acquiring the elect
2、ron tube described herein shall consist of this document and MIL-PRF-1. DESCRIPTION: Triode, miniature, medium Mu, grounded grid Outline - 6-1 (EIA) Base - E9-1 Envelope - T6-1/2 Cathode - Coated unipotential Base connections: Pin no. - 1 2 3 4 5 6 7 8 9 Element - a nc h g g k g g h ABSOLUTE-MAXIMUM
3、 RATINGS: Parameter: Ef Eb Ec RK Ik Pp Ehk Ck TE Alt Unit: V V dc V dc Ohms mA dc W V F C ft Maximum: 6.9 200 - - 38 4.5 55 - 130 Note 2 Minimum: 5.7 - - - - - - - - - TEST CONDITIONS: 6.3 150 0 60 - - - Note 1 - - GENERAL: Qualification Not Required. INCH-POUND Inactive for new design after 7 March
4、 1997. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-1/466C 2 TABLE I. Testing and inspection Limits MIL-STD- 1311 method Requirement or test NotesConditions Acceptancelevel 6/ Symbol Min Max Unit 1256 1256 1266 1306 1306 1201 Conformance i
5、nspection, part 1 Electrode current (1) (anode) Electrode current (2) (anode) Total grid current Transconductance (1) Transconductance (2) Short and discontinuity detection - - 3,4 - 4 - Ec = -10 V dc Ef = 5.7 V 0.65 0.65 0.65 0.65 0.65 0.4 Ib Ib Ic Sm Sm - 16.0 - 0 20,000 - - 30.0 100 -0.5 30,00012
6、 - mA dc A dc A dc mhos % - 1211 1031 1336 1301 1316 1331 2126 1121 1105 Conformance inspection, part 2 Insulation of electrodes Low-frequency vibration Heater-cathode leakage Heater current Amplification factor Direct-interelectrode capacitance Glass strain Base strain Permanence of marking - - - -
7、 - - - - - Rp = 2,000 ohms; Rk = 0; Ec = -2.0 V dc Without external shield4.0 - - - - 6.5 4.0 - - - Ep Ihk If Mu Ck-gh Ck-kh Cp-gh - - - - - - 280 35 8.0 - 1.5 - - - - 500 20 320 55 10.0 0.55 1.95 - - - - mV ac A dc mA - pF pF pF - - - 1501 - 1306 1266 Conformance inspection, part 3 Intermittent lif
8、e Intermittent life-test end points (500 hours): Transconductance (1) Total grid current 5 - - Group A; Ehk = 55 V; TE =130C - - - - Sm Ic - 16,000 - - - -1.0 - mhos A dc NOTES: 1. The reactance of the cathode by-pass capacitor shall be 0.5-ohm maximum at the test frequency. 2. See “Reduced pressure
9、 (altitude) rating” paragraph in the basic document. 3. Approved alternate test: The insertion of a 0.47 megohm resistor in series with the grid shall not change the anode current by more than 3.0 mA dc. 4. This test to be performed at the conclusion of the holding period. 5. Envelope temperature (E
10、T) requirements, when measured in accordance with the temperature by conduction-band measurement (method 1226), will be satisfied if a tube having bogey Ib (5 percent) under normal test conditions, is determined to operate at or above minimum specified temperature at any position in the life-test ra
11、ck. 6. This specification sheet uses accept on zero sampling in accordance with MIL-PRF-1, table III. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-1/466C 3 Referenced documents. In addition to MIL-PRF-1, this document references MIL-STD-13
12、11. Marginal notations are not used in this revision to identify changes with respect to the previous issue due to the extent of the changes. Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force - 85 (Project No. 5960-2008-063) DLA - CC Review activities: Army - AR, CR4 Navy - AS,
13、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-,-,-
