1、AMSC N/A FSC 5960 INCH POUND MIL-PRF-1/385D 1 October 2009 SUPERSEDING MIL-PRF-1/385B 7 April 1999 PERFORMANCE SPECIFICATION SHEET ELECTRON TUBE, CATHODE RAY TYPES 3DP1A AND 3DP1A+S2 This specification is approved for use by all Depart- ments and Agencies of the Department of Defense. The requiremen
2、ts for acquiring the electron tube described herein shall consist of this document and the latest issue of MIL-PRF-1. DESCRIPTION: Electrostatic deflection and focus with decalcomania inscription on tube type 3DP1A+S2 DIMENSIONS AND PIN CONNECTIONS: See figures 1 and 2 ABSOLUTE RATINGS: Parameter: E
3、f Ec1 ed Eb1 Eb2 Light output Rg Zd Ehk Alt Unit: V V dc v V dc V dc fL Meg Meg V dc ft Maximum: 6.9 0 550 1,100 2,200 - - - 1.5 1.0 -125 10,000 Minimum: 5.7 -200 - - - - - - 1,500 7.5 - - - - - - - - - - - - Test Conditions: 6.3 Adj - - - Focus 1,500 - - - - - - - - - - - - - - - _ GENERAL: Qualifi
4、cation - Required Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-1/385D 2TABLE 1. Testing and inspection. Inspection Method MIL-STD-1311 Notes Conditions Symbol Limits Min Limits Max Units Qualification inspection Neck and bulb alignment (el
5、ectrostatic types) Cathode illumination Deflection-factor uniformity Direct-interelectrode capacitance Base material insulating quality Pressure (implosion) 5101 5216 5248 1331 1216 1141 - - - - - - Control grid to all Cathode to all D1 to D2 D3 to D4 D1 to all D3 to all D1 to all, except D2 D2 to a
6、ll, except D1 D3 to all, except D4 D4 to all, except D3 D5 to anode 2 Zone 5 (min) Diam - - - - - - Cg1 Ck C1D2 C3D4 CD1 CD3 CD1 CD2 CD3 CD4 CD5 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2.25 - - - - - - 10.5 10.5 4.0 4.0 15.0 12.0 13
7、.0 13.0 12.0 12.0 3.5 - - - - - - Inches - - - - - - pF pF pF pF pF pF pF pF pF pF pF - - - - - - Conformance inspection, part 1 Voltage breakdown Voltage breakdown (electrostatic types) Gas “cross” Bulb, screen and faceplate quality Light output Modulation Spot position (electrostatic deflection) S
8、pot displacement (leakage) Grid cutoff voltage Grid No. 1 leakage current Anode No. 2 leakage current 5201 5201 5206 5106 5221 5223 5231 5231 5241 5251 5251 - - 1, 2 - - - - - - - - Light = 7.5 fL Light = 7.5 fL - - - - - - - - - - - - Light Ec - - - Displ Ecl - - - - - - - - - - - - - - - - - - 7.5
9、 - - - - - - - - - -22.5 - - - - - - - - - - - - - - - - - - - - - 40 15 5 -67.5 - - - - - - - - - - - - - - - - - - fL V dc mm mm V dc - - - - - - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-1/385D 3TABLE 1. Group A inspection -Continued
10、. Inspection Method MIL-STD-1311 Notes Conditions Symbol Limits Min Limits Max Units Conformance inspection, part 2 Heater current Electrode current (anode No. 1) Electrode current (cathode) Base alignment (electrostatic types) Angle between traces Neck and base alignment (electrostatic types) Stray
11、 light emission (conventional types) Line width “A” (electrostatic deflection) Line width “B” (electrostatic deflection) Focusing voltage at cutoff Focusing voltage (zero bias) Deflection factor Deflection factor Deflection factor Radial pattern width Deflection ratio Heater-cathode leakage current
12、Secureness of base, cap or insert Base pin solder depth Permanence of marking 1301 5201 5201 5101 5101 5101 5216 5226 5226 5246 5246 5248 5248 - - - - - - - - - 5251 1101 1111 1105 - - - - - - - 3, 5 3, 6 - - - - 4 4 - - - - - Ec1 = 0 Light = 7.5 fL +1D2, pin No. 5 Eb2 = 2,200 V dc Light = 7.5 fL Li
13、ght = 7.5 fL 1D2 3D4 D5 1D2/3D4 If Ib1 Ik - - - - - - - - - - - - Width Width Eb1 Eb1 DF DF Pk to Pk Width Ratio - - - - - - - - - - - - 540 -50 - - - - - - - - - - - - - - - - - - - - - 345 300 127 As recorded 50 - - - 1.14 - - - - - - - - - - - - 660 10 1,000 - - - - - - - - - - - - 0.60 0.80 515
14、515 173 As recorded 84 10 1.56 - - - - - - - - - - - - mA A dc A dc - - - - - - - - - - - - mm mm V dc V dc V dc/in. V dc/in. V dc mm - - - - - - - - - - - - - - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-1/385D 4TABLE 1. Testing and ins
15、pection -Continued. Inspection Method MIL-STD-1311 Notes Conditions Symbol Limits Min Limits Max Units Conformance inspection, part 3 Life test Life-test end points: Modulation Line width “A” Line width “B” - - - - - - 5223 5226 5226 - - - - Group C; Light = 7.5 fL; Eb2 = 2,200 V dc; t = 500 hours L
16、ight = 7.5 fL Light = 7.5 fL Light = 7.5 fL - - - Ec Width Width - - - - - - - - - - - - - - - 50 0.70 1.05 - - - V dc mm mm NOTES: 1. The center of the “gas cross” appearing inside pattern will not appear due to presence of rod in tube face. 2. This test to be performed at the conclusion of the hol
17、ding period. 3. Modify the regular procedure of line width measurements in the following manner: Adjustment shall be made for best focus at a point inch (12.70 mm) from the center of the radial deflecting electrode terminal along the line of the high-frequency scan. 4. Using mask centered with respe
18、ct to tube face, set diameter of scanned circle to 1.375 inch (34.93 mm) and remove mask. Apply and adjust 35 KHz signal on D5 (rod) so that minimum width of annular pattern is 5 mm. The maximum radial width of same pattern shall be within the limit specified. The peak voltage shall be within the li
19、mits specified. 5. The tubes shall be observed for deflection defocusing, astigmatism and spot ellipticity observable to the eye, as evidenced by fuzziness due to lack of sharpness of trace (usually around the edges), bow-tying (irregular widths of any line when observed at different points) and bow
20、ing of trace other than that normally caused by curvatures of the bulb. 6. An examination for defocusing, astigmatism, or spot ellipticity shall be made as in note 5. 7. The following applies to tube type 3DP1A+S2. (a) Before application of the inscription, the tube shall have passed all requirement
21、s of this specification sheet. (b) The inscription outlined on figure 2 shall be secured to the tube and be positioned in the following manner: (1) The trace produced by deflecting electrodes 1D2 shall not deviate by more than 2.5 degrees from a line passing through scale markings 0 and 2.5 on the i
22、nscription. (2) The position of zero on the inscription shall be 64.28 degrees 12.5 degrees clockwise from the centerline of the base lug key, looking at the tube face. (3) The inscription shall be centered with respect to the tube face within .047 (1.19 mm) of an inch. (4) Mask center electrode. (5
23、) After masking, the tube face shall be sprayed with a light coat of clear lacquer. 8. This specification sheet uses accept on zero defect sampling in accordance with MIL-PRF-1, table III. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-1/385
24、D 5NOTES: 1. The minimum useful screen radius shall not be less than 1.375 (34.93 mm) 2. The maximum diameter uncoated area around center of the radial deflecting electrode terminal shall not be more than .625 (15.88 mm). 3. The radial deflecting electrode terminal shall be eccentric with respect to
25、 the tube axis by not more than .063 (1.60 mm). 4. The base shall be a medium shell DIHEPTAL 12-pin (B12-37) type. 5. The bulb shall be a J24G type. 6. These dimensions are for information only and are not required for inspection purposes. FIGURE 1. Outline drawing of electron tube 3DP1A and 3DP1A+S
26、2. Dimensions Inches Millimeters Ltr Min Max Min Max Conformance inspection, part 2 A 2.937 3.063 74.60 77.80 B See note 1 C 1.937 2.063 49.20 52.40 D 10.063 10.750 255.60 273.08 S See note 2 U .141 3.58 V .110 .116 2.79 2.95 Y .313 .501 7.95 12.73 Reference dimensions (see note 6) E 9.250 234.95 F
27、3.875 98.43 J 8.000 R 203.20 R K .250 R 6.35 R L 12.438 R 315.93 M .350 8.89 T .068 Dia 1.73 Dia W .058 1.47 X .030 R 0.76 R Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-1/385D 6FIGURE 2. S2 scale. Referenced documents. In addition to MIL-
28、PRF-1, this document references the following: MIL-STD-1311 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 5960-2009-009) Re
29、view activities: 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-,-,-
