1、 AMSC N/A FSC 5950 MIL-PRF-27/371B 16 April 2010 SUPERSEDING MIL-PRF-27/371A 14 July 2006 PERFORMANCE SPECIFICATION SHEET INDUCTOR, POWER, UNSHIELDED, MOLDED, AXIAL LEADED This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquir
2、ing the product described herein shall consist of this specification sheet 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. FIGURE 1. Dimensions and configuration. INCH-POUND Inch mm A 0.550
3、 to 0.570 13.97 to 14.48 B 1.25 min. 31.75 min. C 0.023 to 0.030 0.584 to 0.762 D 0.205 to 0.225 5.21 to 5.72 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/371B 2 TABLE I. Electrical characteristics (initial). Dash number Inductance (H)
4、15% 1/ DC resistance ohms (max) Current rating (Amps) (max) Incremental current (Amps) 2/ -01 0.22 0.0080 7.00 7.00 -02 0.27 0.0085 6.75 6.75-03 0.33 0.0090 6.50 6.50 -04 0.39 0.0095 6.25 6.25-05 0.47 0.0100 6.00 6.00 -06 0.56 0.0105 5.80 5.80-07 0.68 0.0110 5.70 5.70 -08 0.82 0.0120 5.60 5.60-09 1.
5、00 0.013 5.50 5.50 -10 1.20 0.018 4.69 4.69-11 1.50 0.020 4.45 4.45 -12 1.80 0.021 4.34 4.34-13 2.20 0.029 3.70 3.70 -14 2.70 0.034 3.41 3.41-15 3.30 0.038 3.23 3.23 -16 3.90 0.042 3.07 3.07-17 4.70 0.047 2.90 2.90 -18 5.60 0.051 2.79 2.79-19 6.80 0.058 2.61 2.61 -20 8.20 0.063 2.51 2.51-21 10.0 0.0
6、71 2.36 2.36 -22 12.0 0.079 2.24 2.24-23 15.0 0.089 2.11 2.11 -24 18.0 0.119 1.82 1.82-25 22.0 0.152 1.61 1.61 -26 27.0 0.179 1.48 1.48-27 33.0 0.222 1.33 1.33 -28 39.0 0.315 1.12 1.12-29 47.0 0.362 1.04 1.04 -30 56.0 0.397 1.00 1.00-31 68.0 0.418 0.97 0.97 -32 82.0 0.604 0.81 0.81-33 100 0.672 0.76
7、 0.76 -34 120 0.735 0.73 0.73-35 150 0.913 0.63 0.63 -36 180 1.370 0.53 0.53-37 220 1.580 0.50 0.50 -38 270 1.770 0.47 0.47-39 330 2.510 0.39 0.39 -40 390 2.730 0.38 0.38-41 470 3.250 0.35 0.35 -42 560 3.750 0.33 0.33-43 680 4.310 0.30 0.30 -44 820 6.040 0.26 0.26-45 1000 6.900 0.24 0.24 -46 1200 10
8、.00 0.200 0.200-47 1500 12.50 0.178 0.178 -48 1800 16.00 0.157 0.157-49 2200 20.00 0.141 0.141 -50 2700 23.00 0.131 0.131-51 3300 25.00 0.126 0.126 -52 3900 33.00 0.110 0.110Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/371B 3 TABLE I. E
9、lectrical characteristics (initial) Continued. Dash number Inductance (H) 15% 1/ DC resistance ohms (max) Current rating (Amps) (max) Incremental current (Amps) 2/ -53 4700 37.00 0.103 0.103 -54 5600 40.00 0.100 0.100-55 6800 62.00 0.080 0.080 -56 8200 66.00 0.077 0.077-57 10000 74.00 0.071 0.071 -5
10、8 12000 93.00 0.065 0.065-59 15000 105.0 0.061 0.061 -60 18000 143.0 0.052 0.052-61 22000 160.0 0.050 0.050 1/ Measured with no dc current. 2/ The current at which the inductance will decrease by a maximum of 5 percent from its initial zero dc value. TABLE II. Electrical characteristics (final). Ins
11、pection group Allowable percent variation from the initial measurement Qualification inspection: Inductance DC resistance Group II Group III Group IV 5 5 5 3 (+.001 ohm) 2 (+.001 ohm) - REQUIREMENTS: Electrical ratings: See table I. Electrical characteristics (final): See table II. Dimensions and co
12、nfiguration: See figure 1. Case: Grade 5, encapsulated. Material: Epoxy. Weight: 2.5 grams maximum. Operating temperature range: -55C to +130C. Altitude: 70,000 feet. Resistance to soldering heat: Method 210, test condition B, MIL-STD-202. Depth of immersion shall be to within 0.25 inch from the nea
13、rest insulating material. Ambient temperature: 85C. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/371B 4 Power: .44 watt maximum power dissipation at 85C. Temperature rise: 45C maximum at an ambient temperature of 85C. Terminal strength:
14、 Pull: MIL-STD-202, method 211, test condition A, 5 pounds. Twist: MIL-STD-202, method 211, test condition D, 3 rotations of 360. Barometric pressure: MIL-STD-202, method 105, test condition C, 70,000 feet with a test voltage 500 V rms. Dielectric withstanding voltage: At sea level: MIL-STD-202, met
15、hod 301; test voltage of 1,000 V rms. At reduced barometric pressure: MIL-STD-202, method 105; test voltage of 500 V rms. At reduced voltage: 375 Vrms. Electrical characteristics: See table I. Inductance: With 1 kHz across (1-2), the inductance shall be “X” H 15 percent. (For “X”, see table I.) DC r
16、esistance 25C: See table I. Induced voltage tests are not applicable. Resistance to solvents test is not applicable for laser marked units. Quality Assurance Provisions: Extent of qualification: Qualification testing and approval to M27/371-61 shall be sufficient to grant qualification to: M27/371-0
17、1 through M27/371-61 inclusive and M27/369-01 through M27/369-52 inclusive, all parts. Marking location: See figure 1. Part or Identifying Number (PIN): M27/371-(dash number from table I). Changes from previous issue. The margins of this specification are marked with vertical lines to indicate where
18、 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 document based on the entire content irrespective of
19、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 (Project 5950-2010-003) DLA - CC Review activities: Arm
20、y - MI Navy - AS, OS Air Force 19 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 https:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
