1、AMSC N/A FSC 5950 MIL-PRF-27/172E 22 April 2011 SUPERSEDING MIL-PRF-27/172D 24 May 1989 PERFORMANCE SPECIFICATION SHEET TRANSFORMERS, AUDIO FREQUENCY, MICRO-MINIATURE This specification is approved for use by all Depart- ments and Agencies of the Department of Defense. The requirements for acquiring
2、 the products described 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
3、 table I, as applicable. FIGURE 1. Dimensions and configurations. DCE FREDRED “X“OHMSPRIYELBLK“Y“ OHMS SEC “X“OHMSPRI“Y“OHMSSECYELRED YEL“X“ OHMSPRI“X“OHMSPRI“X“OHMSPRIBLUH I.469 MAX 1.50 .25 WHT REDAWG NO. 26 (.016) .030 MAX “Y“ OHMS SEC G .344 DIA MAX BLU RED “X“ OHMS PRI BRN WHT BLK GRN YEL WHT R
4、ED“X“ OHMSPRIBLUGRNBLK“Y“ OHMSSECREDBLUGRNYELBLK OHMSSECGRN“X“ OHMSPRIBLKRED BLU “Y“ OHMS SEC BLU“X“OHMSPRIBRNGRN BLK “Y“ OHMS SEC REDBRNGRNYEL“X“OHMSSECREDBLUGRNBLKGRNBLKBLU BRN “Y“ OHMS SEC GRNBLKBLU BRN “Y“A BINCH-POUND INCHES MM .016 .030 .25 .344 .469 1.50 0.41 0.76 6.4 8.74 11.91 38.1 Provided
5、 by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/172E 2 REQUIREMENTS: (When colors is parentheses, i.e. (Brn-Blu), are used, they indicate the winding and the extreme terminals of the winding. When the extreme terminals of two windings are used, i.
6、e. (Grn-Yel), the windings are connected in series.) Electrical ratings: See table I. Working voltage (peak): 50 V. Frequency range: 300 Hz to 100 kHz. Design and construction: Dimensions and configurations: See figure 1. Duty cycle: Continuous. Terminals: Solid wire, insulated. Insulation shall not
7、 be polyvinyl chloride. Composition: D in accordance with MIL-STD-1276. Diameter: 0.016 inch. Length: 1.50 inches 0.25. Final finish: Tinned. Weight: 4.50 grams, maximum. Altitude: 150,000 feet, maximum. Operating temperature range: -55C to +105C Terminal strength: MIL-STD-202, method 211, test cond
8、ition A, 2.0 pounds. Vibration (high frequency): MIL-STD-202, method 204, test condition B. Dielectric withstanding voltage: At sea level: 100 V rms. At barometric pressure: 100 V rms. Electrical characteristics: See table II. No load (center tap unbalance): 1 percent at 1 V, 5 kHz across the primar
9、y. Harmonic distortion: Total harmonic content of the output shall be a maximum of 5 percent at the specified power level and primary dc current (see table I) at 1 kHz to 100 kHz. Insertion loss: At the specified power level (see table I), the insertion loss shall be a maximum of 3.0 dB at 1 kHz. Fr
10、equency response: 3 dB at the rated source and load impedances (see table II) with 1.0 mW level output and a reference frequency of 1 kHz. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/172E 3 Self-resonant frequency: Measured with second
11、aries carrying specified loads, with the secondary voltage observed (see table II) Marking location: See figure 1. TABLE I. Electrical ratings. 1/ 2/ Dash no. Circuit diagram Primary impedance (ohms) Secondary 3/ impedance (ohms) Primary dc current (mA) 4/ Power level at 1 kHz (max) (mW) Primary dc
12、resistance 25% (ohms) Secondary dc resistance 25% (ohms) 01 G 80 CT 100 CT (Brn-Blu) 32 SPLIT 40 SPLIT (Yel-Grn) 12 10 600 9.8 6 02 D 120 CT 150 CT (Brn-Blu) 3.2 4.0 (Blk-Grn) 10 10 500 10 0.46 03 D 150 CT 200 CT (Brn-Blu) 12 16 (Blk-Grn) 10 10 500 11 1.5 04 D 300 CT 400 CT (Brn-Blu) 12 16 (Blk-Grn)
13、 7 7 500 20 1.63 05 D 300 CT (Brn-Blu) 600 (Blk-Grn) 7 600 19 89 06 D 320 CT 400 CT (Brn-Blu) 3.2 4.0 (Blk-Grn) 7 7 500 20 0.46 07 G 400 CT 500 CT (Brn-Blu) 40 SPLIT 50 SPLIT (Yel-Grn) 8 6 500 46 8 08 G 400 CT 500 CT (Brn-Blu) 120 SPLIT 150 SPLIT (Yel-Grn) 8 6 600 46 26 09 G 400 CT 500 CT (Brn-Blu)
14、400 SPLIT 500 SPLIT (Yel-Grn) 8 6 600 46 74 10 E 400 CT 500 CT (Brn-Blu) 4,000 CT 5,000 CT (Yel-Grn) 8 6 600 46 550 11 A 500 600 (Blu-Red) 50 60 (Blk-Grn) 3 3 600 60 8 12 D 500 CT (Brn-Blu) 600 (Blk-Grn) 5.5 600 31 90 13 A 600 (Blu-Red) 3.2 (Blk-Grn) 3 100 60 0.58 14 D 600 CT 800 CT (Brn-Blu) 12 16
15、(Blk-Grn) 5 5 500 43 1.5 15 D 640 CT 800 CT (Brn-Blu) 3.2 4.0 (Blk-Grn) 5 5 500 43 0.46 16 D 800 CT 1,000 CT (Brn-Blu) 3.2 4.0 (Blk-Grn) 4 4 500 51 0.46 17 D 800 CT 1,070 CT (Brn-Blu) 12 16 (Blk-Grn) 4 4 500 51 1.5 18 D 900 CT (Brn-Blu) 600 (Blk-Grn) 4 600 53 89 19 A 1,000 1,200 (Blu-Red) 50 60 (Blk
16、-Grn) 3 3 600 115 8 See footnotes at end of table I. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/172E 4 TABLE I. Electrical ratings. 1/ 2/ - Continued. Dash no. Circuit diagram Primary impedance (ohms) Secondary 3/ impedance (ohms) Pri
17、mary dc current (mA) 4/ Power level at 1 kHz (max) (mW) Primary dc resistance 25% (ohms) Secondary dc resistance 25% (ohms) 20 G 1,000 CT 1,200 CT (Brn-Blu) 16,000 SPLIT 20,000 SPLIT (Yel-Grn) 3.5 3.5 100 120 940 21 D 1,000 CT 1,330 CT (Brn-Blu) 12 16 (Blk-Grn) 3.5 3.5 500 71 1.5 22 D 1,060 CT 1,330
18、 CT (Brn-Blu) 3.2 4.0 (Blk-Grn) 3.5 3.5 500 71 0.46 23 A 1,200 (Blu-Red) 3.2 (Blk-Grn) 2 600 105 0.58 24 D 1,500 CT 2,000 CT (Brn-Blu) 12 16 (Blk-Grn) 3 3 500 108 1.5 25 D 1,500 CT (Brn-Blu) 600 (Blk-Grn) 3 600 86 89 26 D 1,600 CT 2,000 CT (Brn-Blu) 3.2 4.0 (Blk-Grn) 3 3 500 109 0.46 27 G 2,000 CT 2
19、,500 CT (Brn-Blu) 2,000 SPLIT 2,500 SPLIT (Yel-Grn) 3 3 600 195 125 28 G 2,000 CT 2,500 CT (Brn-Blu) 8,000 SPLIT 10,000 SPLIT (Yel-Grn) 3 3 125 195 455 29 D 7,500 CT 10,000 CT (Brn-Blu) 12 16 (Blk-Grn) 1 1 100 505 1.6 30 D 8,000 CT 10,000 CT (Brn-Blu) 3.2 4.0 (Blk-Grn) 1 1 100 505 0.46 31 A 10,000 (
20、Blu-Red) 3.2 (Blk-Grn) 1 100 790 0.68 32 C 10,000 12,000 (Blu-Red) 500 CT 600 CT (Yel-Grn) 1 1 125 780 50 33 C 10,000 12,500 (Blu-Red) 1,200 CT 1,500 CT (Yel-Grn) 1 1 125 125 780 115 34 E 10,000 CT 12,000 CT (Brn-Blu) 1,500 CT 1,800 CT (Yel-Grn) 1 1 125 125 780 126 35 G 10,000 CT 12,000 CT (Brn-Blu)
21、 2,000 SPLIT 2,400 SPLIT (Yel-Grn) 1 1 125 560 230 36 C 10,000 12,500 (Blu-Red) 2,000 CT 2,500 CT (Yel-Grn) 1 125 780 190 37 E 10,000 CT 12,000 CT (Brn-Blu) 10,000 CT 12,000 CT (Yel-Grn) 1 1 125 125 975 1,175 38 A 20,000 30,000 (Blu-Red) 800 1,200 (Blk-Grn) 0.5 0.5 60 830 115 39 E 20,000 CT 30,000 C
22、T (Brn-Blu) 800 CT 1,200 CT (Yel-Grn) 0.5 0.5 60 830 115 40 G 20,000 CT 30,000 CT (Brn-Blu) 1,000 SPLIT 1,500 SPLIT (Yel-Grn) 0.5 0.5 50 800 113 41 G 40,000 CT 50,000 CT (Brn-Blu) 400 SPLIT 500 SPLIT (Yel-Grn) 0.25 0.25 50 1,700 60 See footnotes at end of table I. Provided by IHSNot for ResaleNo rep
23、roduction or networking permitted without license from IHS-,-,-MIL-PRF-27/172E 5 TABLE I. Electrical ratings. 1/ 2/ - Continued. Dash no. Circuit diagram Primary impedance (ohms) Secondary 3/ impedance (ohms) Primary dc current (mA) 4/ Power level at 1 kHz (max) (mW) Primary dc resistance 25% (ohms)
24、 Secondary dc resistance 25% (ohms) 42 E 40,000 CT 50,000 CT (Brn-Blu) 4,000 CT 5,000 CT (Yel-Grn) 0.25 0.25 50 1,700 450 43 B 200,00 (Blk-Grn) 1,000 (Blu-Red) 0 25 9,000 100 44 F 200,000 CT (Yel-Grn) 1,000 CT (Brn-Blu) 0 25 9,000 100 45 E 600 CT (Brn-Blu) 600 CT (Yel-Grn) 4 600 47 47 46 5/ H 4,000
25、CT 5,000 CT (Brn-Blu) 8,000 CT 10,000 CT (Yel-Grn) 2 2 100 320 590 47 5/ H 8,000 CT 10,000 CT (Brn-Blu) 1,200 CT 1,500 CT (Yel-Grn) 1 1 100 640 110 48 5/ H 9,000 CT 10,000 CT (Brn-Blu) 9,000 CT 10,000 CT (Yel-Grn) 1 1 100 850 1,080 49 5/ I 100,000 CT (Yel-Grn) 500 CT (Brn-Blu) 0 25 7,900 85 50 5/ I
26、200,000 CT (Yel-Grn) 1,000 CT (Brn-Blu) 0 25 10,700 100 1/ Qualification testing and approval to M27/172-49 or M27/172-44 shall be sufficient to grant qualification approval to M27/172-01 through M27/172-50. 2/ Impedance values written one above the other indicates a range of matching impedances ove
27、r which the parts will give satisfactory performance as long as the impedance ratio is maintained. 3/ Where windings are listed as SPLIT, one-fourth of the listed impedance is available by paralleling the winding. 4/ Primary dc current shall be the maximum single-ended current for which the transfor
28、mer will meet the specified performance requirements. For push-pull, mA dc can be any balanced value taken by .5 W transistors. 5/ Includes electrostatic shield. Shield terminal shall be white. Voltage ratio shall be 2 to 1 at 20 kHz. Provided by IHSNot for ResaleNo reproduction or networking permit
29、ted without license from IHS-,-,-MIL-PRF-27/172E 6 TABLE II. Electrical characteristics. Dash no. Frequency response: 3 dB 1/ at 300 Hz to 100 kHz and 1 mW Resonance, self resonant frequency (min) (kHz) Polarity: Additive with terminals (below) connected ZS(ohms) ZL(ohms) 01 80 CT (Brn-Blu) 32 (Yel-
30、Grn) 1,500 Blu and Yel, and Wht and Blk 02 120 CT (Brn-Blu) 3.2 (Blk-Grn) 1,000 Blu and Blk 03 150 CT (Brn-Blu) 12 (Blk-Grn) 750 Blu and Blk 04 300 CT (Brn-Blu) 12 (Blk-Grn) 750 Blu and Blk 05 300 CT (Brn-Blu) 600 (Blk-Grn) 750 Blu and Blk 06 320 CT (Brn-Blu) 3.2 (Blk-Grn) 750 Blu and Blk 07 400 CT
31、(Brn-Blu) 40 (Yel-Grn) 750 Blu and Yel, and Wht and Blk 08 400 CT (Brn-Blu) 120 (Yel-Grn) 750 Blu and Yel, and Wht and Blk 09 400 CT (Brn-Blu) 400 (Yel-Grn) 750 Blu and Yel, and Wht and Blk 10 400 CT (Brn-Blu) 4,000 CT (Yel-Grn) 750 Blu and Yel 11 500 (Blu-Red) 50 (Blk-Grn) 750 Red and Blk 12 500 CT
32、 (Brn-Blu) 600 (Blk-Grn) 750 Blu and Blk 13 600 (Blu-Red) 3.2 (Blk-Grn) 750 Red and Blk 14 600 CT (Brn-Blu) 12 (Blk-Grn) 750 Blu and Blk 15 640 CT (Brn-Blu) 3.2 (Blk-Grn) 750 Blu and Blk 16 800 CT (Brn-Blu) 3.2 (Blk-Grn) 750 Blu and Blk 17 800 CT (Brn-Blu) 12 (Blk-Grn) 750 Blu and Blk 18 900 CT (Brn
33、-Blu) 600 (Blk-Grn) 750 Blu and Blk 19 1,000 (Blu-Red) 50 (Blk-Grn) 750 Red and Blk 20 1,000 CT (Brn-Blu) 16,000 (Blk-Grn) 750 Blu and Yel, and Wht and Blk 21 1,000 CT (Brn-Blu) 12 (Blk-Grn) 750 Blu and Blk 22 1,060 CT (Brn-Blu) 3.2 (Blk-Grn) 750 Blu and Blk See footnote at end of table II. Provided
34、 by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/172E 7 TABLE II. Electrical characteristics - Continued. Dash no. Frequency response: 3 dB 1/ at 300 Hz to 100 kHz and 1 mW Resonance, self resonant frequency (min) (kHz) Polarity: Additive with term
35、inals (below) connected ZS(ohms) ZL(ohms) 23 1,200 (Blu-Red) 3.2 (Blk-Grn) 750 Red and Blk 24 1,500 CT (Brn-Blu) 12 (Blk-Grn) 750 Blu and Blk 25 150 CT (Brn-Blu) 600 (Blk-Grn) 750 Blu and Blk 26 1,600 CT (Brn-Blu) 3.2 (Blk-Grn) 750 Blu and Blk 27 2,000 CT (Brn-Blu) 2,000 (Yel-Grn) 750 Blu and Yel, a
36、nd Wht and Blk 28 2,000 CT (Brn-Blu) 8,000 (Yel-Grn) 750 Blu and Yel, and Wht and Blk 29 7,500 CT (Brn-Blu) 12 (Blk-Grn) 750 Blu and Blk 30 8,000 CT (Brn-Blu) 3.2 (Blk-Grn) 750 Blu and Blk 31 10,000 (Blu-Red) 3.2 (Blk-Grn) 750 Red and Blk 32 10,000 (Blu-Red) 500 CT (Yel-Grn) 750 Red and Yel 33 10,00
37、0 (Blu-Red) 1,200 CT (Yel-Grn) 750 Red and Yel 34 10,000 CT (Brn-Blu) 1,500 CT (Yel-Grn) 750 Blu and Yel 35 10,000 CT (Brn-Blu) 2,000 (Yel-Grn) 750 Blu and Yel, and Wht and Blk 36 10,000 (Blu-Red) 2,000 CT (Yel-Grn) 750 Red and Yel 37 10,000 CT (Brn-Blu) 10,000 CT (Yel-Grn) 500 Blu and Yel 38 20,000
38、 (Blu-Red) 800 (Blk-Grn) 750 Red and Blk 39 20,000 CT (Brn-Blu) 800 CT (Yel-Grn) 750 Blu and Yel 40 20,000 CT (Brn-Blu) 1,000 (Yel-Grn) 750 Blu and Yel, and Wht and Blk 41 40,000 CT (Brn-Blu) 400 (Yel-Grn) 500 Blu and Yel, and Wht and Blk 42 40,000 CT (Brn-Blu) 4,000 (Yel-Grn) 500 Blu and Yel 43 200
39、,000 (Blk-Grn) 1,000 (Blu-Red) 100 Grn and Blu 44 200,000 CT (Yel-Grn) 1,000 CT (Brn-Blu) 100 Blu and Yel See footnote at end of table II. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/172E 8 TABLE II. Electrical characteristics - Contin
40、ued. Dash no. Frequency response: 3 dB 1/ at 300 Hz to 100 kHz and 1 mW Resonance, self resonant frequency (min) (kHz) Polarity: Additive with terminals (below) connected ZS(ohms) ZL(ohms) 45 600 CT (Brn-Blu) 500 CT (Blk-Grn) 100 Blu and Yel 46 4,000 CT (Brn-Blu) 8,000 CT (Blk-Grn) 500 Blu and Yel 4
41、7 8,000 CT (Brn-Blu) 1,200 CT (Blk-Grn) 500 Blu and Yel 48 9,000 CT (Brn-Blu) 9,000 CT (Blk-Grn) 500 Blu and Yel 49 100,000 CT (Yel-Grn) 500 CT (Yel-Grn) 100 Blu and Yel 50 200,000 CT (Yel-Grn) 1,000 CT (Yel-Grn) 100 Grn and Brn 1/ Frequency response shall be within 3 dB at 300 Hz to 20 kHz and 4 dB
42、 at 300 Hz to 100 kHz at 1 mW for dash numbers 43, 44, 49, and 50. Part or Identifying Number (PIN): M27/172-(dash number from table I). SUPERSESSION DATA: MIL-PRF-27/172 supersedes the following MS sheets which have been cancelled: MS21375 MS21407 MS21411MS21377 MS21408 MS21412 MS21393 MS21409 MS21
43、413MS21406 MS21410 MS21421MS53228Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/172E 9 MIL-PRF-27/172 supersedes MIL-PRF-27/28 and MIL-PRF-27/144. Supersession data are as follows: MIL-PRF-27/172 PIN Superseded PIN M27/172-46 M27/172-47 M
44、27/172-48 M27/172-49 M27/172-50 M27/172-01 M27/172-05 M27/172-07 M27/172-09 M27/172-10 M27/172-11 M27/172-12 M27/172-45 M27/172-18 M27/172-19 M27/172-23 M27/172-25 M27/172-27 M27/172-28 M27/172-32 M27/172-33 M27/172-34 M27/172-35 M27/172-36 M27/172-37 M27/172-38 M27/172-39 M27/28-01 M27/28-02 M27/28
45、-03 M27/28-04 M27/28-05 M27/144-01 M27/144-02 M27/144-03 M27/144-04 M27/144-05 M27/144-06 M27/144-07 M27/144-08 M27/144-09 M27/144-10 M27/144-11 M27/144-12 M27/144-13 M27/144-14 M27/144-15 M27/144-16 M27/144-17 M27/144-18 M27/144-19 M27/144-20 M27/144-21 M27/144-22 Provided by IHSNot for ResaleNo re
46、production or networking permitted without license from IHS-,-,-MIL-PRF-27/172E 10 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
47、 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 to M
48、IL-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 5950-2009-053) DLA - CC Review activities: Army AR, CR4 Navy AS, MC, OS 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
