1、AMSC N/A FSC 5950 MIL-PRF-27/357D 13 July 2012 SUPERSEDING MIL-PRF-27/357C 5 September 2002 PERFORMANCE SPECIFICATION SHEET TRANSFORMERS, AUDIO FREQUENCY, ULTRA-MINIATURE This specification is approved for use by all Departments and Agencies of the Department of Defense. The complete requirements fo
2、r acquiring the product described herein shall consist of this document and the latest issue of specification MIL-PRF-27. NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Marking shall be on the side of the case. 4. Primary and secondary electrical
3、 values, specified in table I, shall be marked as applicable. 5. Dots on circuit diagram indicate polarity. FIGURE 1. Dimensions and configuration. Inches mm .010 0.25 .020 0.51 .218 5.54 .25 6.35 .350 8.89 .500 12.70 1.00 25.4 INCH-POUNDProvided by IHSNot for ResaleNo reproduction or networking per
4、mitted without license from IHS-,-,-MIL-PRF-27/357D 2 REQUIREMENTS: Electrical ratings: See table I. Working voltage (peak): 100 volts. Frequency range: 300 Hz to 75 kHz. Design and construction: Dimensions and configuration: See figure 1. Duty cycle: Continuous. Terminals: Solid wire. Composition:
5、Copper clad steel. Diameter: 0.016 inch 0.001 (0.41 0.03 mm). Length: 1.00 inch 0.25 (25.4 6.35 mm). Final finish: Use of tin-lead (Sn-PB) finishes are acceptable provided the minimum lead content is 3 percent. Weight: 5 grams max. Altitude: 150,000 feet, maximum. Operating temperature range: -55C t
6、o +130C. Terminal strength: MIL-STD-202, method 211, test condition A, 2.0 pounds. Thermal shock: 25 cycles, method 107, MIL-STD-202, test condition A-1. Vibration (high frequency): MIL-STD-202, method 204, test condition B. Dielectric withstanding voltage: At sea level: 200 V rms. At barometric pre
7、ssure: 200 V rms. Electrical characteristics: No load (center tap unbalanced): 1 percent at 1 volt, 5 kHz across the primary. Harmonic distortion: Total harmonic content of output shall be a maximum of 5 percent at the specified power level (see table I). Insertion loss: At the specified power level
8、 (see table I), the insertion loss shall be a maximum of 3.0 dB at 1 kHz. Frequency response: 3 dB at the rated source and load impedances (see table 1) with 1.0 mW level output and a reference frequency of 1 kHz over a frequency range of 300 Hz to 75 kHz. Polarity: Additive when appropriate termina
9、ls are connected. For configuration A, connect terminals 3 and 4, 5 and 6. For configuration B, connect terminals 3 and 5 (see figure 1, configurations A and B).Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TABLE I. Electrical ratings. 1/ See footn
10、otes at end of table. Dash no. Primary impedance (ohms) Secondary Impedance (ohms) Primary unbalanced dc current (mA) Primary dc resistance (ohms) Secondary dc resistance (ohms) Turns ratio Primary:secondary Circuit diagram configura- tion Series connec- tion Parallel connec- tion Series connec- tio
11、n Parallel connec-tion Secondary series connection Secondary parallel connection 001 002 003 004 005 20 ct 20 ct 32 ct 40 ct 48 ct 8 ct 20 ct 32 ct 40 ct 16 ct 2 5 8 10 4 30.0 30.0 23.0 21.0 19.0 2 2 3.3 3.7 3.75 1.2 2.8 4.5 5 3 .3 .7 1.13 1.25 .75 1.58:1 1:1 1:1 1:1 1.73:1 3.16:1 2:1 2:1 2:1 3.46:1
12、 A “ “ “ “ 006 007 008 009 010 50 ct 80 ct 100 ct 100 ct 120 ct 50 ct 32 ct 40 ct 100 ct 12.8 ct 12.5 8 10 25 3.2 19.0 15.0 13.0 13.0 12.0 5 7.6 10.8 10.8 9.3 7 4.3 5 12 2.2 1.75 1.13 1.25 3 .55 1:1 1.58:1 1.58:1 1:1 3.06:1 2:1 3.16:1 3.16:1 2:1 6.12:1 “ “ “ “ “ 011 012 013 014 015 120 ct 120 ct 150
13、 ct 150 ct 150 ct 60 ct 120 ct 12 ct 50 ct 100 ct 15 30 3 12.5 25 12.0 12.0 11.0 11.0 11.0 9 11.6 11.2 13 13 7.2 13 2.2 6.8 11.8 1.8 3.3 .55 1.7 3 1.41:1 1:1 3.54:1 1.73:1 1.22:1 2.83:1 2:1 7.08:1 3.46:1 2.45:1 “ “ “ “ “ 016 017 018 019 020 150 ct 150 ct 200 ct 300 ct 300 ct 150 ct 600 ct 200 ct 12
14、ct 50 ct 37.5 150 50 3 12.5 11.0 11.0 10.0 8.0 8.0 13 13 19 24 30 18.3 75 21.3 1.7 6.8 4.6 19 5.4 .43 1.7 1:1 1:2 1:1 5:1 2.45:1 2:1 1:1 2:1 10:1 4.9:1 “ “ “ “ “ 021 022 023 024 025 300 ct 300 ct 300 ct 320 ct 400 ct 150 ct 300 ct 600 ct 12.8 ct 40 ct 37.5 75 150 3.2 10 8.0 8.0 8.0 7.5 7.0 30 30 30
15、31 41 18 34 60 1.7 4.5 4.6 8.5 15 .43 1.13 1.41:1 1:1 1.1:41 5:1 3.16:1 2.83:1 2:1 1.41:1 10:1 6.23:1 “ “ “ “ “ 026 027 028 029 030 400 ct 400 ct 400 ct 400 ct 400 ct 120 ct 200 ct 400 ct 1000 ct 2000 ct 30 50 100 250 500 7.0 7.0 7.0 7.0 7.0 41 41 41 41 41 12 21.3 37.5 96 212 3 5.4 9.4 24 53 1.83:1
16、1.41:1 1:1 1:1.58 1:2.24 3.65:1 2.83:1 2:1 1.26:1 1:1.12 “ “ “ “ “ 031 032 033 034 035 400 ct 500 ct 500 ct 500 ct 500 ct 4000 ct 12.8 ct 16 ct 50 ct 150 ct 1000 3.2 4 12.5 37.5 7.0 6.0 6.0 6.0 6.0 41 48 48 39 48 375 1.7 1.9 6.8 18 94 .43 .5 1.7 4.6 1:3.16 6.25:1 5.6:1 3.16:1 1.83:1 1:1.58 12.5:1 11
17、.2:1 6.32:1 3.65:1 “ “ “ “ “ MIL-PRF-27/357D3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TABLE I. Electrical ratings Continued. 1/ See footnotes at end of table Dash no. Primary impedance (ohms) Secondary impedance (ohms) Primary unbalanced dc c
18、urrent (mA) Primary dc resistance (ohms) Secondary dc resistance (ohms) Turns ratio Primary:secondary Circuit diagram configura- tion Series connec- tion Parallel connec- tion Series connec- tion Parallel connec-tion Secondary series connection Secondary parallel connection 036 037 038 039 040 500 c
19、t 500 ct 500 ct 600 ct 600 ct 500 ct 500 ct 600 ct 12.8 ct 30 ct 125 - 150 3.2 7.5 6.0 6.0 6.0 5.5 5.5 48 48 48 53 53 54 68 59 1.7 4.2 13.5 - 15 .43 1.1 1:1 1:1 1:1.1 6.85:1 4.47:1 2:1 - 1.83:1 13.7:1 8.94:1 A B 2/ A “ “ 041 042 043 044 045 600 ct 600 ct 600 ct 600 ct 600 ct 48 ct 200 ct 600 ct 600
20、ct 1200 ct 12 50 150 - 300 5.5 5.5 5.5 5.5 5.5 53 53 57 53 53 6.8 21.3 79 75 105 1.7 5.3 20 - 26 3.54:1 1.73:1 1:1 1:1 1.1:41 7.07:1 3.46:1 2:1 - 1.41:1 “ “ “ B 2/ A 046 047 048 049 050 640 ct 700 ct 800 ct 800 ct 800 ct 12.8 ct 100 ct 12.8 ct 48 ct 800 ct 3.2 25 3.2 12 200 5.5 5.0 5.0 5.0 5.0 66 69
21、 75 75 75 1.7 12 1.7 6.8 105 .43 3 .43 1.7 26 7.07:1 2.65:1 7.9:1 4.08:1 1:1 14.14:1 5.29:1 15.8:1 8.16:1 2:1 “ “ “ “ “ 051 052 053 054 055 900 ct 1000 ct 1000 ct 1000 ct 1060 ct 600 ct 12 ct 50 ct 1000 ct 12.8 ct 150 3 12.5 250 3.2 4.5 4.5 4.5 4.5 4.0 79 103 103 103 108 75 1.6 6.4 115 1.7 19 .4 1.5
22、 29 .43 1.22:1 9.13:1 4.47:1 1:1 9.1:1 2.45:1 18.3:1 8.94:1 2:1 18.2:1 “ “ “ “ “ 056 057 058 059 060 1200 ct 1200 ct 1200 ct 1200 ct 1500 ct 12.8 ct 500 ct 1200 ct 1200 ct 12 ct 3.2 125 300 - 3 4.0 4.0 4.0 4.0 3.5 113 113 113 111 126 1.7 54 126 125 1.6 .43 13.5 31.6 - .4 9.68:1 1.55:1 1:1 1:1 11.2:1
23、 19.4:1 3.1:1 2:1 - 22.4:1 “ “ “ B 2/ A 061 062 063 064 065 1500 ct 1500 ct 1500 ct 1600 ct 2000 ct 500 ct 600 ct 1500 ct 12.8 ct 8 ct 126 - - 3.2 2 3.5 3.5 3.5 3.5 3.0 126 126 126 130 210 68 94 176 1.7 1.2 17 - - .43 .3 1.73:1 1.58:1 1:1 11.2:1 15.8:1 3.46:1 - - 22.4:1 31.6:1 “ B 2/ B 2/ A “ MIL-PR
24、F-27/357D4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TABLE I. Electrical ratings Continued. 1/ See footnotes at end of table. Dash no. Primary impedance (ohms) Secondary impedance (ohms) Primary unbalanced dc current (mA) Primary dc resistance
25、(ohms) Secondary dc resistance (ohms) Turns ratio Primary:secondary Circuit diagram configur-ation Series connec- tion Parallel connec- tion Series connec- tion Parallel connec-tion Secondary series connection Secondary parallel connection 066 067 068 069 070 2000 ct 2000 ct 2000 ct 2500 ct 3000 ct
26、2000 ct 2000 ct 8000 ct 2500 ct 3000 ct 500 - 2000 625 750 3.0 3.0 3.0 2.5 2.5 198 198 198 220 243 218 218 850 305 335 55 - 213 76 84 1:1 1:1 1:2 1:1 1:1 2:1 - 1:1 2:1 2:1 A B 2/ A “ “ 071 072 073 074 075 3000 ct 3600 ct 4000 ct 4000 ct 4000 ct 3000 ct 3600 ct 16 ct 600 ct 1000 ct - 900 4 150 250 2.
27、5 2.5 2.0 2.0 2.0 304 330 350 350 350 335 366 3 76 115 - 92 .75 19 29 1:1 1:1 15.8:1 2.58:1 2:1 - 2:1 31.6:1 5.16:1 4:1 B 2/ A “ “ “ 076 077 078 079 080 4000 ct 5000 ct 5000 ct 7500 ct 7500 ct 8000 ct 500 ct 5000 ct 50 ct 100 ct - 125 1250 12.5 25 2.0 2.0 2.0 1.5 1.5 350 350 390 600 600 1062 67 538
28、7 12 - 17 135 1.75 3 1:1.41 3.16:1 1:1 12.2:1 8.66:1 - 6.23:1 2:1 24.5:1 17.3:1 B 2/ A “ “ “ 081 082 083 084 085 7500 ct 7500 ct 7500 ct 8000 ct 8000 ct 600 ct 2500 ct 7500 ct 12.8 ct 1000 ct 150 625 - 3.2 250 1.5 1.5 1.5 1.5 1.5 600 600 750 750 750 78 305 828 1.7 115 19.5 77 - .43 29 3.54:1 1.73:1
29、1:1 25:1 2.83:1 7.07:1 3.46:1 - 50:1 5.66:1 “ “ B 2/ A “ 086 087 088 089 090 8000 ct 9000 ct 10,000 ct 10,000 ct 10,000 ct 1200 ct 9000 ct 12.8 ct 16 ct 100 ct - - 3.2 4 25 1.5 1.4 1.4 1.4 1.4 750 796 1048 1048 839 158 1100 1.7 3 12 - - .43 .75 3 2.58:1 1:1 28:1 25:1 10:1 - - 56:1 50:1 20:1 B 2/ B 2
30、/ A “ “ 091 092 093 094 095 10,000 ct 10,000 ct 10,000 ct 10,000 ct 10,000 ct 200 ct 500 ct 600 ct 1000 ct 1200 ct 50 125 150 250 300 1.4 1.4 1.4 1.4 1.4 839 850 850 850 850 27 67 74 115 158 6.7 17 18.5 29 39.5 7.07:1 4.47:1 4.08:1 3.16:1 2.89:1 14.14:1 8.94:1 8.16:1 6.32:1 5.77:1 “ “ “ “ “ MIL-PRF-
31、27/357D5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TABLE I. Electrical ratings - Continued. 1/ 1/ Qualification testing and approval to M27/357-043 and M27/357-114 shall be sufficient to grant approval to M27/357-001 through M27/357-114. 2/ Inc
32、ludes electrostatic shield. Shield terminal shall be 4. Voltage ratio shall be 2 to 1 at 20 kHz. Dash no. Primary impedance (ohms) Secondary impedance (ohms) Primary unbalanced dc current (mA) Primary dc resistance (ohms) Secondary dc resistance (ohms) Turns ratio Primary:secondary Circuit diagram c
33、onfigur-ation Series connec- tion Parallel connec- tion Series connec- tion Parallel connec-tion Secondary series connection Secondary parallel connection 096 097 098 099 100 10,000 ct 10,000 ct 10,000 ct 10,000 ct 10,000 ct 1500 ct 2000 ct 5000 ct 7500 ct 10,000 ct 375 500 1250 1875 2500 1.4 1.4 1.
34、4 1.4 1.4 850 850 850 850 866 177 255 630 772 1215 44 64 158 193 304 2.58:1 2.24:1 1.41:1 1.15:1 1:1 5.16:1 4.47:1 2.83:1 2.3:1 2:1 A “ “ “ “ 101 102 103 104 105 10,000 ct 15,000 ct 15,000 ct 15,000 ct 15,000 ct 10,000 ct 400 ct 500 ct 600 ct 10,000 ct - 100 125 150 2500 1.4 1.0 1.0 1.0 1.0 1060 130
35、5 1305 1305 1305 1215 47 53 72.5 1215 - 12 13 18 304 1:1 6.12:1 5.48:1 5:1 1.22:1 - 12.24:1 10.96:1 10:1 2.45:1 B 2/ A “ “ “ 106 107 108 109 110 15,000 ct 15,000 ct 16,000 ct 20,000 ct 20,000 ct 15,000 ct 15,000 ct 1000 ct 500 ct 600 ct - 3750 250 125 150 1.0 1.0 1.0 1.0 1.0 1305 1305 1343 1560 1560
36、 1800 1800 115 68 75 - 450 29 17 19 1:1 1:1 4:1 6.33:1 5.77:1 - 2:1 8:1 12.65:1 11.55:1 B 2/ A “ “ “ 111 112 113 114 20,000 ct 20,000 ct 20,000 ct 20,000 ct 800 ct 1000 ct 5000 ct 10,000 ct 200 250 1250 2500 1.0 1.0 1.0 1.0 1560 1560 1560 1560 108 121 672 1520 27 30.5 168 380 5:1 4.47:1 2:1 1.41:1 1
37、0:1 8.94:1 4:1 2.83:1 “ “ “ “ MIL-PRF-27/357D6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/357D 7 Self-resonance: The self-resonant frequency shall be greater than 150 kHz when measured with the secondaries carrying the specified load
38、and the secondary voltage observed. Power output in watts (max): .3 at 300 Hz and higher, .4 at 400 and higher, .6 at 1 kHz and higher. Marking location: See figure 1. Part or Identifying Number (PIN): M27/357- (dash number from table I) Changes from previous issue. The margins of this specification
39、 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 assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this docu
40、ment based on the entire content irrespective of the marginal notations and relationship to the last previous issue. Referenced documents. In addition to MIL-PRF-27, this document references the following: MIL-STD-202 Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force - 85 (Proje
41、ct 5950-2009-100) DLA - CC Review activities: Army - AR, CR4 Navy - AS, 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 https:/assist.dla.mil Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
