DLA MIL-PRF-27 103 E-2009 TRANSFORMER AUDIO FREQUENCY.pdf
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1、AMSC N/A FSC 5950 INCH-POUND MIL-PRF-27/103E 9 November 2009 SUPERSEDING MIL-PRF-27/103D 6 June 1994 PERFORMANCE SPECIFICATION SHEET TRANSFORMER, AUDIO FREQUENCY This specification is approved for use by all Depart- ments and Agencies of the Department of Defense. The requirements for acquiring the
2、transformer 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. 4. Terminals are spaced the same as “TO-76” transistor and micrologic
3、elements. 5. Terminal one located 45 from centerline, as noted. 6. Primary and secondary electrical values shall be marked as specified in table I, as applicable. 7. The number of terminals shall be as shown in circuit diagrams A and B. 8. Shorter lead lengths can be made down to .125 .010 inch (3.1
4、8 0.25 mm) as measured from the moisture barrier offset. FIGURE 1. Dimensions and configurations 1 6 45 1 2 3 4 5 KEY AND MOISTURE BARRIER OFFSET .031 .002 RAD. OPTIONAL (SEE NOTE 7) WORKING VOLTAGE (PEAK) 50 V ALTITUDE 150.000 FEET MAX. (SEE TABLE I FOR VALUE OF “X“) 2 3 1 2 3 7654654PRI “X“ OHMS C
5、T SEC“X“OHMSPRI “X“ OHMS CT SEC“X“OHMS.406 MAX1.000 .250 (SEE NOTE 8) .035 .010 .360 DIA. MAXDIAGRAM B7 DIAGRAM A.063 .002 .125 DIA .010 Inches mm .002 .010 .031 .035 .063 .125 .260 .360 .406 1.000 0.05 0.25 0.79 0.89 1.60 3.18 6.35 9.14 10.31 25.40 Provided by IHSNot for ResaleNo reproduction or ne
6、tworking permitted without license from IHS-,-,-MIL-PRF-27/103E 2 REQUIREMENTS: (When numbers in parentheses, such as (1-2) are used, they indicate the winding and the extreme terminals of the winding.) Electrical ratings: See table I. Working voltage (peak): 50 volts. Frequency range: 400 Hz to 100
7、 kHz. Design and construction: Dimensions and configuration: See figure 1. Duty cycle. Continuous. Case: Encapsulated. Terminals: Dumet wire leads. Material: Tin-lead plated type D-4 in accordance with MIL-STD-1276. Diameter: .016 .002 inch (0.41 0.05 mm). Length: 1.000 .025 inch (2.54 0.63 mm). Wei
8、ght: 0.11 ounces, maximum. Altitude: 150,000 feet, maximum. Operating temperature range: -55C to +105C. Terminal strength: MIL-STD-202, method 211, test condition A, 2 pounds. Dielectric withstanding voltage: At sea level: 100 V rms. At reduced barometric pressure: 100 V rms. Electrical characterist
9、ics: See table II. No load (centertap unbalanced only): 1 percent with 5 volts, 5 kHz across primary. Harmonic distortion: Total harmonic content of the output shall be a maximum 5 percent at the specified power level and primary dc current (see table I). Insertion loss: At the specified power level
10、 (see table I), the insertion loss shall be a maximum of 4 dB. Frequency response: 3 dB at the rated source and load impedances (see table II) with 1 mW level output and a reference frequency of 1 kHz. Vibration (high frequency): MIL-STD-202, method 204, test condition B. Shock (specified pulse): MI
11、L-STD-202, method 213, test condition H. Marking location: See figure 1. Part or Identification Number (PIN): M27/103-(See table I). Supersession data: MIL-PRF-27 supersedes the following MS sheets which are inactive for new design: MS21394(USAF), MS21404(USAF), and MS53227 Superseding PINs: See tab
12、le III. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/103E 3 TABLE I. Electrical ratings. 1/ 2/ Dash number Circuit diagram Primary impedance Secondary 3/ impedance (ohms) Primary dc current (mA) Power level at 1 kHz (max) (mW) Primary d
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