1、 MIL-PRF-1/866F 15 August 2012 SUPERSEDING MIL-PRF-1/866E 21 September 1999 PERFORMANCE SPECIFICATION SHEET ELECTRON TUBE, CATHODE RAY TYPES 7ABP7A AND 7ABP19A This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the elec
2、tron tube described herein shall consist of this document and the latest issue of MIL-PRF-1. DESCRIPTION: Electrostatic focus, magnetic deflection, aluminized screens. PIN CONNECTIONS AND DIMENSIONS: See figure 1. ABSOLUTE RATINGS: Parameter: Unit: Ef V Ec1 V dc Ec2 V dc Eb2 V dc Ehk V dc Rg1 Meg Eb
3、1 V dc Alt ft Maximum: Minimum: 6.9 5.7 0, -200 - 770 - 11,000 7,000 180 - 1/ - 1,100 -500 10,000 - Test conditions: 6.3 Adjust 300 7,000 - - Focus 1.0 See footnotes at end of table I. GENERAL: Qualification: Required. This specification sheet uses accept on zero defect sampling in accordance with M
4、IL-PRF-1, table III. AMSC N/A FSC 5960 INCH-POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-1/866F 2 TABLE I. Testing and inspection Inspection Method MIL-STD-1311 Type Conditions Symbol Limits Unit Min Max Qualification inspection Pres
5、sure (implosion) Vibration Direct-interelectrode capacitance Electrode current (grid No. 2) Modulation Base material insulating quality 1141 5111 1331 5201 5223 1216 Both Both Both Both P7A P19A Both Cathode to all g1 to all g2 to all Ec1 = 0 Ib2 = 100 A dc; overscanned defocused pattern Ib2 = 2 A d
6、c; overscanned defocused pattern Zone 5 - Width Ck Cg1 Cg2 Ic2 Ec1 Ec1 - - - - - - -15 - - - - 2.0 8.0 10.0 10.0 +15 32 15 - - mm pF pF pF A dc V dc V dc - Conformance inspection, part 1 Voltage breakdown Voltage breakdown (electrostatic types) Gas ratio Neck straightness Bulb, screen, and faceplate
7、 quality Spot position (magnetic deflection) Zero-bias anode current (magnetic deflection) Grid cutoff votlage Grid No. 1 leakage current Focusing electrode voltage 5201 5201 5206 5101 5106 5231 5236 5241 5251 - Both Both Both Both Both Both P7A Both Both P7A P19A 4/ 3/ Ib2 = 100 A dc 2/ Ib2 = 2 A d
8、c 2/ - - Gr - - - - Ec1 - Eb1 Eb1 - - - - - - - -33 - 0 0 - - 0.25 - - 9.52 - -77 - 250 300 - - - - - mm - V dc - V dc V dc See footnotes at end of table. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-1/866F 3 TABLE I. Testing and inspectio
9、n Continued Inspection Method MIL-STD-1311 Type Conditions Symbol Limits Unit Min Max Conformance inspection, part 2 Heater current Side terminal and base alignment Neck and bulb alignment (magnetic types) Secureness of base, cap, or insert Face tilt Cathode illumination Stray light emission (conven
10、tional types) Screens Line width A (electrostatic deflection) Heater-cathode leakage current Grid No. 2 leakage current Base pin solder depth Permanence of marking 1301 5101 5101 1101 5101 5216 5216 5221 5226 5251 5251 1111 1105 Both Both Both Both Both Both Both Both P7A P19A Both Both Both Both Pi
11、n position No. 3 Eb2 = 11,000 V dc; Ec2 = 770 V dc; Eb1 = 0 Ib2 = 100 A dc Ib2 = 2 A dc If - - - - - - - - - - - - - 540 - - - - - - - - - - - - - 660 - - - - - - - 0.50 0.35 - - - - mA - - - - - - - mm mm - - - - See footnotes at end of table. Provided by IHSNot for ResaleNo reproduction or network
12、ing permitted without license from IHS-,-,-MIL-PRF-1/866F 4 TABLE I. Testing and inspection Continued Inspection Method MIL-STD-1311 Type Conditions Symbol Limits Unit Min Max Conformance inspection, part 3 Life test Life-test end points - - Both P7A P19A P7A P19A Both Group C; t = 500 hours minimum
13、; Eb2 = 11,000 Vdc; Ec2 = 770 V dc; Eb1 at focus Ib2 = 60 A dc Ib2 = 2 A dc Line width A Modulation Line width A Modulation Grid No. 1 leakage current Heater-cathode leakage current Grid No. 2 leakage current Stray light emission (conventional types) - - - Width Ec1 Width Ec1 - - - - - - - - - - - -
14、 - - - - - - 0.50 32 0.35 15 - - - - - - - mm V dc mm V dc - - - - 1/ When Ec2 is greater than 330 V dc, Rg1 shall not exceed 0.5 Meg; when Ec2 is less than 330 V dc, Rg1 shall not exceed 1.5 Meg. 2/ Use an overscanned 35 to 105 line raster pattern with not less than .25 inch (6.35 mm) spacing betwe
15、en adjacent lines; adjust for best focus at center of tube. 3/ Cylinder shall be 5-inches (127.0 mm) long and 1.503 inches (139.78 mm) maximum inside diameter. 4/ This test to be performed at the conclusion of the holding period. Provided by IHSNot for ResaleNo reproduction or networking permitted w
16、ithout license from IHS-,-,-MIL-PRF-1/866F 5 Ltr Dimensions Inches Millimeters Min Max Min Max Qualification inspection N Base: B6-63 X Contact Cap J1-21 Conformance inspection, part 2 A 7.062 7.312 179.37 185.72 B See note 1 C 1.375 1.500 34.93 38.10 D 13.000 13.500 330.20 342.90 E - 7.312 - 185.72
17、 F 5.750 6.125 146.05 155.58 G 3.938 4.438 100.03 112.73 M 10 10 Reference dimensions (see note 2) H 2.219 56.36 J 24.00 R 609.60 R K .375 R 9.53 R L .750 19.05 P 50 50 NOTES: 1. The minimum useful screen radius shall be not less than 3 inches (76.2 mm). 2. Reference dimensions are for information o
18、nly and are not required for inspection purposes. 3. The bulb shall be a J57-1/2C or J57-1/2D type. 4. Do not handle tube by the part of the bulb having the anticorona coating. 5. Dimension C applies to the entire length of the neck below the reference line. The reference line is determined by the p
19、oint where a gauge 1.500 .003 inches (38.10 0.08 mm) inside diameter and 2 inches (50.8 mm) in length will stop against the bulb body. FIGURE 1. Outline drawing of electron tube types 7ABP7A and 7ABP19A. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-
20、,-MIL-PRF-1/866F 6 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 made. This was done as a convenience only and the Government as
21、sumes 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 to the last previous issue. Custodians: Preparing activity: A
22、rmy - CR DLA - CC Navy - EC Air Force - 85 (Project 5960-2012-046) DLA - CC Review activities: Army - AV, MI Navy - AS, CG, MC 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-,-,-
