1、 AMSC N/A FSC 5985 MIL-DTL-3928/21E 28 January 2013 SUPERSEDING MIL-DTL-3928/21D 18 July 2008 DETAIL SPECIFICATION SHEET SWITCHES, RADIO-FREQUENCY TRANSMISSION LINE (COAXIAL) (ELECTRICALLY OPERATED) CLASS 4, TR This specification is approved for use by all Departments and Agencies of the Department
2、of Defense. Requirements for acquiring the switch described herein shall consist of this specification and MIL-DTL-3928. FIGURE 1. PIN M3928/21-01. INCH-POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-3928/21E 2 Dimensions Letter Inches
3、 Millimeters Letter Inches Millimeters Max Min Max Min Max Min Max Min A 2.19 2.13 55.6 54.1 L .22 .16 5.6 4.1 B .646 .626 16.41 15.90 M .720 - 18.29 - C .066 .060 1.68 1.52 N 2.15 - 54.6 - D 1.37 - 34.8 - P .553 .537 14.05 13.64 E .646 .626 16.41 15.90 Q 1.790 1.770 45.47 44.96 F 1.30 - 33.0 - R .3
4、00 - 7.62 - G .015 - 0.38 - S .159 dia .139 dia 4.04 dia 3.53 dia H 1.098 1.082 27.89 27.48 T .35 .29 8.9 7.4 J .53 .47 13.5 11.9 U .65 .59 16.5 15.0 K .28 .22 7.1 5.6 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only (1.00 inch = 25.4 mm). 3. Unless ot
5、herwise 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 M3928/21-01 - Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DT
6、L-3928/21E 3 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 may be squared
7、. FIGURE 2. PIN M3928/21-02. Dimensions Letter Inches Millimeters Letter Inches Millimeters Max Min Max Min Max Min Max Min A 3.28 3.22 83.3 81.8 K .203 dia .183 dia 5.16 dia 4.65 dia B .53 .47 13.5 11.9 L 2.60 - 66.0 - C 1.90 - 48.3 - M .760 .740 19.30 18.80 D 2.610 2.590 66.29 65.79 N .650 - 16.51
8、 - E .63 .57 16.0 14.5 P .730 .710 18.54 18.03 F 1.510 1.490 38.35 37.85 Q .895 .875 22.73 22.23 G .33 .27 8.4 6.9 R .885 .865 22.48 21.97 H .28 .22 7.1 5.6 S .452 .432 11.48 10.97 J .320 - 8.13 - T .138-32UNC-2B X 3.50-32UNC-2B X Provided by IHSNot for ResaleNo reproduction or networking permitted
9、without license from IHS-,-,-MIL-DTL-3928/21E 4 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. R
10、ound corners of case may be squared. FIGURE 3. PIN M3928/21-03. Dimensions Letter Inches Millimeters Letter Inches Millimeters Max Min Max Min Max Min Max Min A 3.28 3.22 83.3 81.8 J .32 - 8.1 - B 1.80 - 45.7 - K 2.60 - 66.0 - C .09 - 2.3 - L .78 .72 19.8 18.3 D 2.610 2.590 66.29 65.79 M .65 - 16.5
11、- E 1.510 1.490 38.35 37.85 N .885 .865 22.48 21.97 F .63 .57 16.0 14.5 P .452 .432 11.48 10.97 G .33 .27 8.4 6.9 Q .895 .875 22.73 22.23 H .28 .22 7.1 5.6 R .198 .192 5.03 4.88 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMSC N/A FSC 5985 TABLE
12、I. Electrical and performance characteristics. PIN M3928/21- Fig. No. Housing Frequency range dc to GHz VSWR Insertion loss (dB) Isolation (dB) Switch- ing time (ms) Position indication circuit and rating Life cycles x 1000 Fail-safe or latching Operating current (A) 1/ Holding current (A) 1/ Nomina
13、l operating voltage Pickup voltage (less than) Dropout voltage (less than) Power and indicator connector Weight (oz) 01N, S 2/ 1 I 11 Max 1.5:1 Max 0.5 Min 50 Max 30 Yes 100 L Max 2.6 Max 0 28 V dc 20 V dc - Solder terminals Max 6 02N, S 2 E 12.4 1.5:1 0.5 60 25 2A at 28 V dc 100 F 0.5 0.2 28 V dc 2
14、0 V dc 5 V dc Solder terminals 12 03N, S 3 I 12.4 1.57 1.5:1 1.2:1 0.5 0.1 60 20 30 0.1 A at 28 V dc 100 F 0.65 - 28 V dc 20 V dc - Solder terminals 12 1/ At 28 V dc and 20 deg C. 2/ Transient interference (RFI). 3/ RF power handling capacity: 80 watts minimum at sea level and 10-5through 10-10torr.
15、 5MIL-DTL-3928/21EProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-3928/21E 6 REQUIREMENTS: Dimensions and configurations: See figures 1, 2, and 3. RF connectors: Female connectors (4 places) shall meet the requirements of MIL-PRF-39012 and sh
16、all 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. Termination: Open. Vibration: Method I. Operating temperature: -55 C to +85 C.
17、Part or Identifying Number (PIN): M3928/21- (and dash number from table I). Referenced documents. In addition to MIL-DTL-3928, this specification sheet references MIL-PRF-39012 and MIL-PRF-39012/26. Marginal notations are not used in this revision to identify changes with respect to the previous iss
18、ue due to the extent of the changes. Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force - 85 (Project 5985-2013-003) DLA - CC Review activities: Navy - AS, MC, OS, SH Air Force - 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.dla.mil/. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
