1、A-A-55484 m 9999974 OLb45bL 950 m I INCH-POUND I A-A-55484 1 August 1994 COMMERCIAL ITEM DESCRIPTION SHIELDING BEADS, FERRITE, LEADED, EM1 SUPPRESSOR The General Services Administration has authorized the use of this comercial item description (CID). Abstract. material. This CID covers the general r
2、equirements for a family of leaded shielding beads made of ferrite Application. Shielding beads covered by this CID are intended for comnercial/industrial applications and shall not be used in military systems needing stringent environmental and electrical requirements. Part or Identifying Number (P
3、INL. The PIN for the CID shall be as shown in the following example: I t A-A-55484 - O0 1 i - I CID number Dash number Optional packaging (see figure 1) Salient characteristics. Design, construction, and dimensions. Design, construction, and dimensions shall be as specified on figure 1. 30 are to at
4、tenuate frequencies below 25 MHz; PINS 1 through 12 are to attenuate frequencies 25 MHz and higher; and PINS 13 through 21 are to attenuate frequencies 200 MHz and higher. Material. The ferrite bead shall be nickel zinc, manganese zinc or equivalent ferrite. PINS 22 through Impedance (O). Impedance
5、shall be as specified in table I. All impedances are measured uith 1 turn of wire through the ferrite bead. Operating temperature range. Optional packaging. When optional packaging is required, whether the leaded bead should be taped and The operating temperature range shall be -54C to +llOC. reeled
6、 for automatic insertion equipment, a suffix I8T8 shall be added to the PIN. Workmanship. The ferrite beads shall be fabricated and finished in such a manner that criteria for appearance, fix, and adherence to specific tolerances shall be observed. quality and shall be free from defects that will af
7、fect life or serviceability. The bead shall be uniform in Marking. Parts shall not be marked. The unit package supplied to this CID shall be marked with the manufacturers standard PIN. Regulatory requirements. This section is not applicable to this CID. AMSC N/A DISTRIBUTION STATEMENT A. Approved fo
8、r public release; distribution is unlimited. FSC 5950 Licensed by Information Handling ServicesA-A-55484 9999974 OLb4562 897 001 A-A-55484 A “through coren1 C 1 .I38 1.010 #22 AWG TCW .I75 1.010 2.375/2.500 II- 003 004 =Dachber I .I38 1.010 #22 AWG TCW .263 I.010 2.375/2.500 .I38 1.010 #22 AWG TCW .
9、300 1.020 2.375/2.500 Dimensions 006 007 .138 1.010 #22 AWG TCW .375 t.010 2.375/2.500 .I38 1.010 #22 AWG TCW .450 1.015 2.3E/2.500 008 009 I 002 I .I38 1.010 I #22 AWG TCW 1 .350 1.020 I 2.375/2.500 .I38 1.010 #22 AWG TCW .545 2.025 2.375/2.500 -385 1.010 #20 AWG TCW -450 2.015 2.375/2.500 012 013
10、I 005 I .I38 i.010 I #22 AWG TCW I .236 1.010 I 2.375/2.500 .I38 i.010 #22 AWG TCW .206 I.010 2.375/2.500 .I38 1.010 #22 AWG TCW .I75 2.010 2.375/2.500 014 015 .I38 1.010 #22 AWG TCW .350 I.020 2.375/2.500 .I38 1.010 #22 AWG TCW .263 1.010 2.375/2.500 I O10 I .385 +.O10 I #20 AWG TCW I .550 t.020 I
11、2.375/2.500 016 017 I o11 I .385 1.010 I #20 AWG TCW I .650 1.020 I 2.375/2.500 .I38 1.010 #22 AWG TCW .300 1.020 2.375/2 .SOO .I38 1.010 #22 AWG TCW .236 2.010 2.375/2.500 I 019 .I38 1.010 #22 AWG TCW .450 2.015 2.375/2.500 I 018 I .I38 1.010 1 #22 AWG TCW I -375 2.010 I 2.375/2.500 Figure 1. Dimen
12、sions and configuration. 2 Licensed by Information Handling ServicesA-A-55484 W 9999974 0364563 723 W Dash number A-A-55484- O20 Dimensions B A Vhrough core“ C 1 .I38 2.010 #22 AWG TCW -545 1.025 2.375/2.500 o21 o22 .I38 2.010 #22 AWG TCW 206 t.O1O 2.375/2.500 .I38 t.010 #22 AWG TCW .I75 t.010 2.375
13、/2.500 I 025 I .I38 2.010 I #22 AWG TCW I .300 2.020 I 2.375/2.500 I 023 024 .I38 2.010 1 #22 AWG TCW 1 .236 I.010 I 2.375/2.500 I .I38 1.010 #22 AWG TCW .350 t.020 2.375/2.500 .I38 +.O10 #22 AWG TCW .263 2.010 2.375/2.500 I 027 I .I38 t.010 I #22 AWG TCW I .375 1.010 I 2.375/2.500 I 029 030 I 028 I
14、 .I38 t.010 I #22 AWG TCW I .450 t.015 I 2.375/2.500 I .I38 t.010 #22 AWG TCW .545 t.025 2.375/2.500 .I38 1.010 #22 AWG TCW .206 1.010 2.375/2.500 Inches n .o10 0.26 .O15 0.38 * 020 0.51 .O25 0.64 -138 3.51 .I75 4.45 .206 5.23 .236 5.99 -263 6.68 -300 7.62 Inches n -350 8.89 .375 9.53 .385 9.78 .450
15、 11.43 -545 13.84 .550 13.97 .650 16.51 2.375 60.33 2.500 63.50 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. ALL wire extends through core. A -A - 55484 Figure 1. Dimensions and configuration - Continued. 3 Licensed by Information Handling Serv
16、icesA-A-55484 A-A-55484 9999974 OLb45b4 TABLE I. Impedance (2) in ohms - 78 min. 100 - 150 - 015 Impedance values. bbT Dash I Impedance (2) in ohms I number A-A-55484- 10 MHz - 016 017 018 019 020 021 022 38 min. 023 75 min. - _- _ _ _ 56 min. 64 min. 50 min. 027 88 min. 100 min. 029 1121 min. 030 I
17、 44 min. 25 MHz 100 MHz 250 MHz - I 90 min. I 1; I ;i I 70 min. - I l I - 1112 min. I 144 - 216 I 49 - 73 92 - 138 69 - 103 79 - 118 152 - 2281 - I - I - 54 - a2 - Quality assurance provisions. Responsibility for inspection. The contractor is responsible for the performance of all inspection, examin
18、ation, and test requirements specified in the contract or purchase order. own or any other facilities suitable for the inspection requirements specified in the contract or purchase order, unless otherwise disapproved by the acquiring activity. perform any of the inspections set forth in the contract
19、 or purchase order where such inspections, examinations, and tests are deemed necessary to assure supplies and services conform to prescribed requirements. The contractor may use his The acquiring activity reserves the right to Contractor certification statement. The contractor shall certify and mai
20、ntain objective quality evidence that the product offered meets the requirements of this CID, and that the product conforms to the producers own drawings, specifications, standards, quality assurances practices, and is the same as the product provided as a bid sample. prior to the first delivery and
21、 thereafter as may be otherwise provided for under the provisions of the contract. The acquiring activity reserves the right to require proof of such conformance Certificate of compliance. supplied to this CID. A certificate of compliance shall accompany all leaded shielding beads Packaging. Preserv
22、ation, packaging, packing, labeting. and marking. Preservation, packaging, labeling, and marking shall be as specified in the acquisition document. w. This section contains relevant information which is useful to buyers, users, and suppliers in the process of acquiring the item, but is not mandatory
23、. 4 Licensed by Information Handling ServicesA-A-55484 m 9999974 OLb45b5 506 = A-A-55484 Ordering data. The contract or purchase order should specify the following: a. CID document number and revision and CID PIN. b. Quality assurance provisions. c. Packaging requirements. d. Whether the leaded bead
24、 should be taped and reeled for automatic insertion equipment. Cwrments. Comnents on this CID should be directed to Defense Electronics Supply Center, ATTN: DESC-ELDM, 1507 Wilmington Pike, Dayton, OH 45444-5765, or telephone (513) 296-6189, or facsimile (FAX) (513) 296-8868. Supersession informatio
25、n. Supersession information is specified in table II. TABLE II. Supersession information. CID PIN A-A-55484- O01 002 003 004 005 006 007 008 009 010 o1 1 012 013 014 015 016 017 018 019 020 021 022 023 024 02s 026 027 028 029 030 Superseded PIN per 90029 28 Jan 1991 90029-001 90029-002 90029-003 900
26、29-004 90029-005 90029-006 90029-007 90029-008 90029-009 90029-01 0 90029-01 1 90029-012 90029-013 90029-014 90029-01 5 90029- 016 90029-01 7 90029-018 90029-01 9 90029-020 90029-021 90029-022 90029-023 90029-024 90029-025 90029-026 90029-027 90029-028 90029-029 90029-030 5 Licensed by Information H
27、andling ServicesA-A-55484 m 9999974 0164566 432 m A- A- 5 5484 Source of suppLy. A suggested source of supply is listed in table III. Additional suggested sources of supply will be added as they become available. TABLE 111. Suggested source of supply. CID drawing PIN A-A-55484- O0 1 002 003 004 005
28、006 007 008 009 O10 o1 1 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027 028 029 030 Vendor CAGE number 34899 Vendor comercial PIN 2743001111 2743002111 2743003111 27430041 11 2743005111 2743007111 2743008111 27430091 11 2743012201 2743013211 2743014221 27430151 11 2761001111 2761002
29、111 2761003111 2761004111 2761005111 2761007111 2761008111 2761009111 2761015111 2773001 11 1 27730021 11 2773003111 27730041 11 2773005111 2773007111 2773008111 2773009111 27730151 1 1 Vendor name and address Fair-Rite Products Corporation One Comercial Row Wallkill, NY 12589 Phone: (914) 895-2055 CIVIL AGENCY COORDINATING ACTIVITY: GSA - 7FXE PREPARING ACTIVITY: DLA - ES (Project 5950-D241) 6 Licensed by Information Handling Services
