1、AMSC/NA FSC 5950 MIL-PRF-27/166B 18 July 2008 SUPERSEDING MIL-PRF-27/166A 22 January 1985 PERFORMANCE SPECIFICATION SHEET TRANSFORMERS, AUDIO FREQUENCY This specification is approved for use by all Depart- ments and Agencies of the Department of Defense. The requirements for acquiring the products d
2、escribed herein shall consist of this specification and 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 values shall be marked as specified in table I, as ap
3、plicable. FIGURE 1. Dimensions and configurations. INCH-POUNDInches mm .016 .019 .031 .120 .166 .219 .550 .953 1.125 1.172 1.219 1.422 1.438 0.41 0.48 0.79 3.05 4.22 5.56 13.97 24.21 28.58 29.77 30.96 36.12 36.53 Provided by IHSNot for ResaleNo reproduction or networking permitted without license fr
4、om IHS-,-,-MIL-PRF-27/166B 2 FIGURE 2. Terminal arrangement. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/166B 3 FIGURE 3. Circuit diagram. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-
5、,-TABLE I. Electrical ratings. 4/ Dielectric withstanding voltage 2/ Dash No. Primary 1/ Impedance (ohms) Secondary 1/ Impedance (ohms) Primary DCR 25% (ohms) Secondary DCR 25% (ohms) Power Level (mW) Primary dc current (mA) Working voltage (volts) Sea level Reduced Barometric pressure Terminal arra
6、ngement (see figure 2) Circuit diagram (see figure 3) 01 82 135 k 14 6700 63 50 250 750 300 G 1 02 50, 200 CT 500 CT 50 k 54 3827 3 0 175 500 300 H 2 03 50, 200 CT 500 CT 50 k CT 54 3827 3 0 175 500 300 F 10 04 500/125 SPLIT 150/37.5 SPLIT 35 16 250 3/ 20 175 500 300 F 8 05 500/125 SPLIT 500/125 SPL
7、IT 37 67 250 3/ 20 175 500 300 F 8 06 600/150 SPLIT 600 CT 39 29 6.3 0 175 500 300 J 6 07 600/150 SPLIT 2k/500 SPLIT 70 280 31 0 175 500 300 F 8 08 600/150 SPLIT 1 M 16.5 5100 10 0 175 500 300 B 7 09 1500 CT 500/125 SPLIT 100 35 100 8 175 500 300 J 5 10 2000 CT 4000 CT 8 16 200 0.9 100 4 175 500 300
8、 K 9 11 10 k CT 500/125 SPLIT 750 52 100 4 175 500 300 E 5 12 10k/2.5k SPLIT 2k/500 SPLIT 780 195 100 4 175 500 300 C 8 13 10k/2.5k SPLIT 4k/1k SPLIT 800 350 100 4 175 500 300 C 1 4MIL-PRF-27/166B Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TABLE
9、 I. Electrical ratings - Continued. 4/ Dielectric withstanding voltage 2/ Dash No. Primary 1/ Impedance (ohms) Secondary 1/ Impedance (ohms) Primary DCR 25% (ohms) Secondary DCR 25% (ohms) Power Level (mW) Primary dc current (mA) Working voltage (volts) Sea level Reduced Barometric pressure Terminal
10、 arrangement (see figure 2) Circuit diagram (see figure 3) 14 10 k 1 M 330 4875 10 0 175 500 300 A 1 15 15 k 60 k 690 3100 4 0 175 500 300 A 1 16 15 k 60 k 690 3100 25 175 500 300 D 1 17 15 k 95 k CT 673 3800 2 0 175 500 300 I 3 18 15 k 95 k SPLIT 1260 5800 12 4 175 500 300 B 4 19 20 k CT 600/150 SP
11、LIT 930 45 125 4 175 500 300 J 5 1/ Impedance values written one above the other indicate a range of matching impedances over which the parts will give satisfactory performance as long as the impedance ratio is maintained. 2/ Dielectric withstanding voltage between split sections, 50 volts rms maxim
12、um. 3/ 250 mW at 100 Hz, 1 watt at 200 Hz. 4/ Qualification testing and approval to M27/166-01 shall be sufficient to grant qualification approval to M27/166-02 through M27/166-19, inclusive. 5 MIL-PRF-27/166B Provided by IHSNot for ResaleNo reproduction or networking permitted without license from
13、IHS-,-,-MIL-PRF-27/166B 6 REQUIREMENTS: (When numbers in parentheses, i.e., (1-2) are used, they indicate the winding and the extreme terminals of the winding.) Electrical ratings: See table I. Working voltage: See table I. Frequency range: See table II. Design and construction: Dimensions and confi
14、gurations: See figure 1. Duty cycle: Continuous. Case: Steel drawn, hermetically sealed. Terminals: Hooked pin with compressed glass bead header. Weight: 2.0 ounces maximum. Altitude: 50,000 feet maximum. Operating temperature range: -55C to +105C. Terminal strength: MIL-STD-202, method 211, test co
15、ndition A, 5 pounds. Vibration (high frequency): MIL-STD-202, method 204, test condition D. Dielectric withstanding voltage: See table I. Electrical characteristics: See table II. Frequency response: See table II. Reference frequency: 1 kHz. Insertion loss: 3 dB at 1 kHz maximum. Marking location: S
16、ee figure 1. Part or Identifying Number (PIN): M27/166-(dash number from table I). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/166B 7 TABLE II. Electrical characteristics. No load (center-tap Voltage unbalanced only) Frequency response
17、 Dash no. Potential at 1 kHz (volts) Unbalanced % Frequency range (Hz) (dB) EL(volts) Resonance second resonant frequency (min) (kHz) Polarity same on terminals (see figure 3) 01 - - - - - - 250 8,000 2 92 8 1, 3 02 1.0 1.0 50 10,000 2 12.2 10 1, 6 03 1.0 1.0 50 10,000 2 12.2 10 1, 6 04 1.0 1.0 100
18、20,000 2 6.1 20 1, 2, 5, 6 05 1.0 1.0 100 20,000 2 11.2 20 1, 2, 5, 6 06 1.0 1.0 50 10,000 2 1.9 10 1, 2, 5 07 1.0 1.0 50 20,000 2 7.9 20 1, 2, 5, 6 08 1.0 1.0 200 3,000 4 100 3 1, 2, 5 09 1.0 1.0 100 10,000 2 7.1 10 1, 4, 5 10 1.0 1.0 100 10,000 2 0.9 10 1, 4 11 1.0 1.0 100 10,000 2 7.1 10 1, 4, 5
19、12 1.0 1.0 100 10,000 2 14 10 1, 2, 5, 6 13 1.0 1.0 100 10,000 2 20 10 1, 2, 5, 6 14 - - - - - - 200 3,000 4 100 3 1, 3 15 - - - - - - 50 10,000 2 15.5 10 1, 3 16 - - - - - - 200 10,000 2 39 10 1, 3 17 1.0 1.0 50 10,000 2 17 10 1, 6 18 1.0 1.0 200 10,000 2 34 10 1, 3, 5 19 1.0 1.0 200 10,000 2 8.7 1
20、0 1, 4, 5 Changes from previous issue. 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 assumes no liability whatsoever for any inaccuracies in these notations. Bidders
21、 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. Referenced documents. In addition to MIL-PRF-27, this document references the following: MIL-STD-202 Custodians
22、: Preparing activity: Army CR DLA CC Navy EC Air Force 85 (Project 5950-2008-019) DLA - CC Review activities: Army AR, CR4 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 this 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-,-,-
