1、AMSC N/A FSC 5985MIL-DTL-3928/20E 15 February 2011 SUPERSEDING MIL-DTL-3928/20D 15 August 2001 DETAIL SPECIFICATION SHEET SWITCHES, RADIO-FREQUENCY TRANSMISSION LINE (COAXIAL) (ELECTRICALLY OPERATED) CLASS 4, 1P2T This specification is approved for use by all Departments and Agencies of the Departme
2、nt of Defense. Requirements for acquiring the switch described herein shall consist of this specification and MIL-DTL-3928. Dimensions Letter Inches Millimeters Letter Inches Millimeters Max Min Max Min Max Min Max Min A .885 .865 22.48 21.97 G .526 .506 13.36 12.85 B 1.78 1.72 45.2 43.7 H 1.042 1.0
3、22 26.47 25.96 C .78 .72 19.8 18.3 J 2.41 2.35 61.2 59.7 D .65 .59 16.5 15.0 K 1.72 1.66 43.7 42.2 E .28 .22 7.1 5.6 L .78 .72 19.8 18.3 F .572 .552 14.53 14.02 M .385 .365 9.78 9.27 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only (1.00 inch = 25.4 mm
4、). 3. Unless otherwise specified, tolerances are .010 ( 0.25 mm) for three place decimals and .03 (0.8 mm) for two place decimals. 4. Round corners of case may be squared. FIGURE 1. PIN M3928/20-02. INCH-POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license from
5、IHS-,-,-MIL-DTL-3928/20E 2 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only (1.00 inch = 25.4 mm). 3. Unless otherwise specified, tolerances are .010 ( 0.25 mm) for three place decimals and .03 (0.8 mm) for two place decimals. 4. Round corners of case
6、may be squared. FIGURE 1. PIN M3928/20-02 - Continued. Position 1. (Deenergized or failsafe position), C connects to NC connector. NO is open circuit. Position 2. (Energized position). C connects to NO connector. NC is open circuit. SCHEMATIC (SHOWN IN POSITION 1) Provided by IHSNot for ResaleNo rep
7、roduction or networking permitted without license from IHS-,-,-MIL-DTL-3928/20E 3 Dimensions Letter Inches Millimeters Letter Inches Millimeters Max Min Max Min Max Min Max Min A .213 dia .193 dia 5.41 dia 4.90 dia H .56 - 14.2 - B .452 .432 11.48 10.97 J 2.07 - 52.6 - C .895 .875 22.73 22.22 K .43
8、37 10.9 9.4 D 2.65 - 67.3 - L .65 - 16.5 - E 1.780 1.760 45.21 44.70 M .541 .521 13.74 13.23 F .895 .875 22.73 22.23 N 1.09 - 27.7 - G .210 .190 5.33 4.83 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only (1.00 inch = 25.4 mm). 3. Unless otherwise spec
9、ified, tolerances are .010 ( 0.25 mm) for three place decimals and .03 (0.8 mm) for two place decimals. 4. Round corners of case may be squared. FIGURE 2. PIN M3928/20-03. Position 1. (Deenergized or failsafe position), C connects to NC connector. NO is open circuit. Position 2. (Energized position)
10、 C connects to NO connector. NC is open circuit. SCHEMATIC (SHOWN IN POSITION 1) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-3928/20E 4 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only (1.0
11、0 inch = 25.4 mm). 3. Unless otherwise specified, tolerances are .010 ( 0.25 mm) for three place decimals and .03 (0.8 mm) for two place decimals. 4. Round corners of case may be squared. FIGURE 3. PIN M3928/20-04. Letter Inches Millimeters Letter Inches Millimeters Max Min Max Min Max Min Max Min A
12、 1.83 1.77 46.5 45.0 K 1.80 - 45.7 - B .93 .87 23.6 22.1 L .12 .06 3.0 1.5 C .328 .308 8.33 7.82 M .66 - 16.8 - D .646 .626 16.4 15.9 N .130 dia .110 dia 3.30 dia 2.79 dia E .646 .626 16.4 15.9 P .21 .15 5.3 3.8 F 1.30 1.24 33.0 31.5 Q .32 .26 8.1 6.6 G .35 - 8.9 - R .340 .320 8.64 8.13 H .28 .22 7.
13、1 5.6 S .69 .63 17.5 16.0 J .59 .53 15.0 13.5 Position 1. (Deenergized or failsafe position). C connects to NC connector. NO is open circuit. Position 2. (Energized position). C connects to NO connector. NC is open circuit. SCHEMATIC (SHOWN IN POSITION 1) Provided by IHSNot for ResaleNo reproduction
14、 or networking permitted without license from IHS-,-,-MIL-DTL-3928/20E 5 FIGURE 4. PIN M3928/20-05. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-3928/20E 6 Dimensions Letter Inches Millimeters Letter Inches Millimeters Max Min Max Min Max
15、Min Max Min A 2.23 2.17 56.6 55.1 H 1.70 - 43.2 - B .013 .007 0.33 0.18 J .310 .290 7.87 7.37 C .890 .870 22.61 22.10 K .50 - 12.7 - D 1.770 1.750 44.96 44.45 L .90 - 22.9 - E .310 .290 7.87 7.37 M .910 .890 23.11 22.61 F .260 .240 6.60 6.10 N .460 .440 11.68 11.18 G .260 .240 6.60 6.10 P 2.75 - 69.
16、8 - Q .151 dia .131 dia 3.84 dia 3.33 dia NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only (1.00 inch = 25.4 mm). 3. Unless otherwise specified, tolerances are .010 ( 0.25 mm) for three place decimals and .03 (0.8 mm) for two place decimals. 4. Round c
17、orners of case may be squared. FIGURE 4. PIN M3928/20-05 - Continued. Position 1. (Deenergized or failsafe position). C connects to NC connector. NO is open circuit. Position 2. (Energized position). C connects to NO connector. NC is open circuit. SCHEMATIC (SHOWN IN POSITION 1) Provided by IHSNot f
18、or ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-3928/20E 7 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only (1.00 inch = 25.4 mm). 3. Unless otherwise specified, tolerances are .010 ( 0.25 mm) for three place decim
19、als and .03 (0.8 mm) for two place decimals. 4. Round corners of case may be squared. FIGURE 5. PIN M3928/20-06. Dimensions Letter Inches Millimeters Letter Inches Millimeters Max Min Max Min Max Min Max Min A .328 .308 8.33 7.82 H .66 - 16.8 - B .646 .626 16.41 15.90 J 1.80 - 45.7 - C .646 .626 16.
20、41 15.90 K .30 - 7.6 - D 1.30 1.24 33.0 31.5 L .78 .72 19.8 18.3 E 1.83 1.77 46.5 45.0 M .43 .37 10.9 9.4 F .55 .49 14.0 12.4 N .340 .320 8.64 8.13 G .12 .06 3.0 1.5 P .69 .63 17.5 16.0 Position 1. Energize pin A. J3 connects to J1, J2 is open circuit. Position 2. Energize pin B. J3 connects to J2,
21、J1 is open circuit. SCHEMATIC (SHOWN IN POSITION 1) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-3928/20E 8 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only (1.00 inch = 25.4 mm). 3. Unless o
22、therwise specified, tolerances are .010 ( 0.25 mm) for three place decimals and .03 (0.8 mm) for two place decimals. 4. Round corners of case may be squared. FIGURE 6. PIN M3928/20-07. Dimensions Letter Inches Millimeters Letter Inches Millimeters Max Min Max Min Max Min Max Min A 2.07 - 52.6 - J 2.
23、65 - 67.3 - B .210 .190 5.33 4.83 K .32 - 8.1 - C .59 .53 15.0 13.5 L .38 .32 9.7 8.1 D .452 .432 11.48 10.97 M .73 .67 18.5 17.0 E .880 .860 22.35 21.84 N .213 dia .193 dia 5.41 dia 4.90 dia F .895 .875 22.73 22.23 P .27 .21 6.9 5.3 G .895 .875 22.73 22.23 Q 1.09 - 27.7 - H 1.780 1.760 45.21 44.70
24、Shown in failsafe position (position 1) Energized term B to connect in to 2 (position 2). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-3928/20E 9 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information o
25、nly (1.00 inch = 25.4 mm). 3. Unless otherwise specified, tolerances are .010 ( 0.25 mm) for three place decimals and .03 (0.8 mm) for two place decimals. 4. Round corners of case may be squared. FIGURE 7. PIN M3928/20-08. Dimensions Letter Inches Millimeters Letter Inches Millimeters Max Min Max Mi
26、n Max Min Max Min A 2.07 - 52.6 - G .895 .875 22.73 22.23 B .59 .53 15.0 13.5 H 1.780 1.760 45.21 44.70 C 2.65 - 67.3 - J .210 .190 5.33 4.83 D .32 - 8.1 - K .452 .432 11.48 10.97 E 1.09 - 27.7 - L .880 .860 22.35 21.84 F .895 .875 22.73 22.23 M .213 dia .193 dia 5.41 dia 4.90 dia Position 1. Energi
27、ze terminal 1. JC connects to J1, J2 is open circuit. Position 2. Energize terminal 2. JC connects to J2, J1 is open circuit. Schematic (shown in position 1) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-3928/20E 10 NOTES: 1. Dimensions are
28、 in inches. 2. Metric equivalents are given for general information only (1.00 inch = 25.4 mm). 3. Unless otherwise specified, tolerances are .010 ( 0.25 mm) for three place decimals and .03 (0.8 mm) for two place decimals. 4. Round corners of case may be squared. FIGURE 8. Switch configuration and
29、schematic, PIN M3928/20-09. Dimensions Letter Inches Millimeters Letter Inches Millimeters Max Min Max Min Max Min Max Min A 2.135 2.115 54.23 53.72 E .190 dia .170 dia 4.83 dia 4.32 dia B .369 .349 9.37 8.86 F 1.03 .97 26.2 24.6 C 2.698 2.678 68.53 68.02 G .885 .865 22.48 21.97 D 2.385 2.365 60.58
30、60.07 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMSC N/A FSC 5985TABLE I. Electrical and performance characteristics. 1/ PIN M3928/20- Fig. No. Hous-ing Frequen- cy range dc to GHz VSWR Insertion loss (dB) Isolation (dB) Switch time (ms) Positi
31、on indication circuit and rating Life cycles x 1000 Fail-safe or latching Operating current (A) 2/ Holding current (A) 2/ Nominal operating voltage Pickup voltage Dropout voltage Power and indicator connector Weight (oz) 02N, S 03N, S 04N, S 4/ 05N, S 06N, S 3/ 4/ 07N, S 08N, S 3/ 5/ 09N, S 2 3 4 5
32、6 7 8 9 E E E E E E E E 6 11 11.25 0.4 12.4 12.4 12.4 at 1.57 12.4 Max 15:1 1.4:1 1.4:1 1.2:1 1.5:1 1.5:1 1.5:1 1.2:1 1.5:1 Max 0.3 0.4 0.5 0.15 0.5 0.5 0.5 0.15 .50 Min 50 60 50 60 50 60 50 60 60 Max 25 20 20 25 20 20 20 30 15 None None 0.2A at 40 V dc 2A at 28 V dc None None 0.1A at 28 V dc None 1
33、000 100 100 1000 1000 100 100 1000 F F F F L F L F Max 0.12 0.8 0.28 0.25 0.56 0.80 0.56 0.12 Max 0.12 0.4 0.28 0.25 0 0.40 - 0.12 28 V dc 28 V dc 28 V dc 28 V dc 28 V dc 28 V dc 28 V dc 28 V dc 20 V dc 18 V dc 22 V dc 20 V dc 24 V dc 20 V dc 20 V dc 20 V dc 5 V dc 5 V dc 5 V dc 5 V dc - 10 V dc - 8
34、 V dc Solder terminals MS3113- 8-2P Solder terminals Solder terminals Mates with MS3116E- 8-3S Solder terminals Solder terminals Solder terminals Max 4 10 4 6 4 9.5 4 7 1/ M3928/20-01 has been deleted. 2/ At 28 V dc and 20 C. 3/ Transient interference (RFI). 4/ Sequence: Make-before-break. 5/ RF pow
35、er handling capacity: 80 watts minimum at sea level and 10-5through 10-10torr. 11MIL-DTL-3928/20EProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-3928/20E 12 REQUIREMENTS: Dimensions and configurations: See figures 1 through 8. RF connectors:
36、Female connectors (3 places) shall meet the requirements of MIL-PRF-39012 and shall mate with TNC type male connectors in accordance with MIL-PRF-39012/26. Electrical and performance characteristics: See table I. RF power handling capability (average): 50 watts (minimum). Nominal impedance: 50 ohms.
37、 Termination: Open. Vibration: Method I. Operating temperature: -55 C to +85 C. Part or Identifying Number (PIN): M3928/20- (and dash number from table I). Referenced documents: In addition to MIL-DTL-3928, this document references the following MIL-PRF-39012 MIL-PRF-39012/26 MS3113 MS3116 Marginal
38、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 5985-2011-011) DLA - CC Review activities: Army - MI Navy - AS, MC, OS, SH Air Force -
39、 19, 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.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
