1、AMSC N/A FSC 5950 MIL-PRF-27/167E 18 July 2008 SUPERSEDING MIL-PRF-27/167D 7 April 1992 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 des
2、cribed 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(s) and/or top of case. 4. Primary and secondary electrical values shall be marked as specified in table
3、I, as applicable. FIGURE 1. Dimensions and configurations. INCH-POUNDInches mm .005 0.13 .010 0.25 .015 0.38 .031 0.79 .040 1.02 .084 2.13 .100 2.54 .200 5.08 .281 7.14 .400 10.16 .563 14.30 .600 15.24 .750 19.05 .875 22.22 Provided by IHSNot for ResaleNo reproduction or networking permitted without
4、 license from IHS-,-,-MIL-PRF-27/167E 2 WORKING VOLTAGE (PEAK): 175 V ALTITUDE: 75,000 FT MAX (SEE TABLE I FOR VALUE OF “X”) CIRCUIT DIAGRAM AND MARKING FIGURE 1. Dimensions and configurations - Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-
5、,-,-MIL-PRF-27/167E 3 NOTE: Pins not used are removed. These are indicated by “X“. FIGURE 2. Pin arrangement. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/167E 4 REQUIREMENTS: (When numbers in parentheses, i.e., (1-2) are used, they ind
6、icate the winding and the extreme terminals of the winding.) Electrical ratings: See table I. Working voltage (peak): 175 volts peak. Frequency range: 300 hertz to 20 kilohertz. Design and construction: Dimensions and configurations: See figure 1. Duty cycle: Continuous. Case: Plastic. Terminals: Pi
7、n type, .040 .005 inch diameter. Material: Type LW(-)C5N in accordance with MIL-STD-1276. Weight: 20 grams maximum. Altitude: 75,000 feet maximum. Operating temperature range: -55C to +105C. Terminal strength: MIL-STD-202, method 211, test condition A, 2.0 pounds. Vibration (high frequency): MIL-STD
8、-202, method 204, test condition D. Dielectric withstanding voltage: At sea level: 500 V rms. At reduced barometric pressure: 300 V rms. Electrical characteristics: See table II. Frequency response: See table II. Reference frequency: 1 kilohertz. Insertion loss: At the rated power level at 1 kiloher
9、tz, the insertion loss shall be as specified in table II. No load (centertap voltage unbalance only): With 1 volt, 5 kilohertz across the primary the voltage unbalance shall be 1 percent. Marking location: See figure 1. Part or Identifying Number (PIN): M27/167-(dash number from table I). Provided b
10、y IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/167E 5 TABLE I. Electrical ratings. Dash No. 1/ 2/ Primary Impedance (ohms) 1/ 2/ Secondary Impedance (ohms) Primary DCR 25% (ohms) Secondary DCR 25% (ohms) Max Power Level (mW) Primary dc current (mA)
11、 Pin ar- rangement (see fig. 2) Circuit Diagram (see fig. 1) 01 10 k 25 k 200 500 2,500 34 100 3 1.5 1 A 02 50 k 200 62.5 k 250 k 13.5 3,600 5 0 6 K 03 100 Split 100 Split 5.9 6.9 100 10 6 G 04 500 Split 600 Split 12.8 Split 16 Split 36.2 1.5 100 8 6 G 05 500 600 50 60 50 5 100 3.5 6 K 06 500 Split
12、600 Split 50 Split 60 Split 36 6.5 100 3.5 6 G 07 500 CT 600 CT 26 70 100 10 6 D 08 500 Split 600 Split 30 42 100 10 6 G 09 3/ 600 CT 600 Split 42 29 100 10 6 F 10 600 Split 2 k Split 40 113 100 5 6 G 11 600 600 CT and 600 CT 50 50 and 50 25 5 6 H 12 3/ 600 Split 8 k CT 55 484 50 3.2 6 F 13 800 Spli
13、t 1,200 Split 20 k Split 30 k Split 110 800 50 3 6 G 14 1,000 1,200 50 60 5 90 100 6 6 K 15 1,000 Split 1,200 Split 200 Split 240 Split 102 19 100 3 6 G 16 1,200 1,500 3.2 4.0 70 0.45 100 7 6 K 17 1.5 k CT 600 CT 70 65 100 2.5 3 D 18 4 k CT 600 Split 155 47 100 2.6 5 L 19 4 k Split 5 k Split 12.8 Sp
14、lit 16 Split 327 1.5 100 2 6 G 20 10 k 3.2 800 0.65 100 2 6 K 21 8 k Split 10 k Split 12.8 Split 16 Split 600 1.5 100 2 6 G See footnotes at end of table. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/167E 6 TABLE I. Electrical ratings -
15、 Continued. Dash No. 1/ 2/ Primary Impedance (ohms) 1/ 2/ Secondary Impedance (ohms) Primary DCR 25% (ohms) Secondary DCR 25% (ohms) Max Power Level (mW) Primary dc current (mA) Pin ar- rangement (see fig. 2) Circuit Diagram (see fig. 1) 22 10 k 16 800 2.7 100 4 6 K 23 10 k CT 12 k CT 3.2 4.0 770 0.
16、73 100 3 1.5 6 B 24 10 k Split 25 k Split 200 Split 500 Split 2,500 34 100 2 1 6 G 25 10 k CT 25 k CT 200 CT 500 CT 560 22 100 2 3 D 26 10 k 12 k 500 CT 600 CT 800 95 100 4 6 J 27 10 k Split 12 k Split 500 Split 600 Split 800 95 100 4 6 G 28 10 k CT 2 k CT 1,200 45 100 1 2 C 29 10 k CT 12 k CT 1,500
17、 CT 1,800 CT 800 300 100 4 4 D 30 10 k CT 12 k CT 10 k CT 12 k CT 560 650 100 1 5 L 31 10 k Split 12 k Split 10 k Split 12 k Split 560 650 100 1 6 G 32 10 k 90 k 710 3,150 32 0.25 6 K 33 20 k 30 k 800 1,200 800 110 100 0.5 6 K 34 20 k CT 30 k CT 800 CT 1,200 CT 800 110 100 1 3 D 35 30 k 50 2,875 4.6
18、 100 1 6 K 36 40 k CT 50 k CT 400 Split 500 Split 1,900 43 100 0.5 6 E 37 40 k Split 50 k Split 400 Split 500 Split 1,900 43 100 0.5 6 G 38 100 k 60 3,500 3.3 100 0.5 6 K 39 3/ 100 k CT 200 k CT 100 Split 200 Split 3,290 4.1 5 0 6 F 40 200 K 1 k 4,000 190 5 0 6 K 41 200 K CT 1 k CT 4,000 200 5 0 3 D
19、 42 3/ 200 k CT 1 k Split 4,000 200 5 0 6 F 1/ Impedance values written one above the other indicates a range of matching impedances over which the parts will give satisfactory performance as long as the impedance ratio is maintained. 2/ Where windings are listed as split, one-fourth of the listed i
20、mpedance is available by paralleling the winding. 3/ Electrostatic shield, shield ratio 5:1 minimum at 20 kHz. 4/ Qualification testing and approval to M27/167-01 shall be sufficient to grant qualification approval to M27/167-01 through M27/167-42, inclusive. Provided by IHSNot for ResaleNo reproduc
21、tion or networking permitted without license from IHS-,-,-MIL-PRF-27/167E 7 TABLE II. Electrical characteristics. Frequency response at 300 Hz to 20 kHz 3 dB Dash no. ZS(ohms) ZL(ohms) EL(volts) Resonance, second resonant frequency (min) Insertion loss at 1 kHz (max) Polarity Same on terminals 01 25
22、 K 500 7.07 20 kHz 3.5 1, 3 02 50 62.5 K 17.7 20 kHz 4.0 4, 6 03 100 100 3.16 50 kHz 3.5 1, 5, 6 04 600 16 1.26 50 kHz 3.5 1, 5, 6 05 600 60 2.45 50 kHz 3.5 4, 6 06 600 60 2.45 50 kHz 3.5 1, 5, 6 07 500 600 7.75 50 kHz 3.0 1, 4 08 500 600 7.75 50 kHz 3.5 1, 5, 6 09 600 600 7.75 50 kHz 3.5 1, 5, 6 10
23、 600 2,000 14.1 50 kHz 3.5 1, 5, 6 11 600 (1-2) 1.2 k (3-5) 1.2 k (6-8) 3.87 3.87 50 kHz 3.5 1, 3, 6 12 600 8,000 20 20 kHz 3.5 1, 5, 6 13 1,200 30 k 38.7 20 kHz 3.5 1, 5, 6 14 1,200 60 2.45 20 kHz 3.5 4, 6 15 1,200 30 k 38.7 20 kHz 3.5 1, 5, 6 16 1,200 4.0 0.63 20 kHz 4.0 4, 6 17 1,500 600 7.75 20
24、kHz 3.5 1, 4 18 1,500 600 7.75 20 kHz 3.5 1, 4, 5 19 5 k 16 1.26 20 kHz 3.5 1, 5, 6 20 10 k 3.2 0.56 20 kHz 4.0 4, 6 21 10 k 16 1.26 20 kHz 3.5 1, 5, 6 22 10 k 16 1.26 20 kHz 4.0 4, 6 23 12 k 4 0.63 20 kHz 5.0 1, 5 24 25 k 500 7.07 20 kHz 3.5 1, 5, 6 25 25 k 500 7.07 20 kHz 3.0 1, 4 26 12 k 600 7.75
25、 20 kHz 3.5 1, 8 27 12 k 600 7.75 20 kHz 3.5 1, 5, 6 28 10 k 2 k 14.1 20 kHz 3.5 1, 3 29 12 k 1.8 k 13.4 20 kHz 3.5 1, 4 30 12 k 12 k 34.6 20 kHz 3.5 1, 4, 5 31 12 k 12 k 34.6 20 kHz 3.5 1, 5, 6 32 10 k 90 k 52 20 kHz 3.5 4, 6 33 30 k 1.2 k 11 20 kHz 3.5 4, 6 34 30 k 1.2 k 11 20 kHz 3.5 1, 4 35 30 k
26、 50 2.23 20 kHz 3.5 4, 6 36 50 k 500 7.07 20 kHz 3.5 3, 5, 6 37 50 k 500 7.07 20 kHz 3.5 1, 5, 6 38 100 k 60 2.45 20 kHz 3.5 4, 6 39 200 k 200 1.0 20 kHz 3.0 1, 5, 6 40 200 k 1 k 2.23 20 kHz 3.5 4, 6 41 200 k 1 k 2.23 20 kHz 3.5 1, 4 42 200 k 1 k 2.23 20 kHz 3.5 1, 5, 6 Provided by IHSNot for Resale
27、No reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/167E 8 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 ass
28、umes no liability whatsoever for any inaccuracies in these notations. Bidders 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
29、to MIL-PRF-27, this document references the following: MIL-STD-202 MIL-STD-1276 Custodians: Preparing activity: Army CR DLA CC Navy EC Air Force 85 (Project 5950-2008-020) DLA - CC Review activities: Army AR, MD, MI Navy AS, MC, OS, SH Air Force 19, 99 NOTE: The activities listed above were interest
30、ed 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-,-,-
