ImageVerifierCode 换一换
格式:PDF , 页数:3 ,大小:30.79KB ,
资源ID:690848      下载积分:10000 积分
快捷下载
登录下载
邮箱/手机:
温馨提示:
如需开发票,请勿充值!快捷下载时,用户名和密码都是您填写的邮箱或者手机号,方便查询和重复下载(系统自动生成)。
如填写123,账号就是123,密码也是123。
特别说明:
请自助下载,系统不会自动发送文件的哦; 如果您已付费,想二次下载,请登录后访问:我的下载记录
支付方式: 支付宝扫码支付 微信扫码支付   
注意:如需开发票,请勿充值!
验证码:   换一换

加入VIP,免费下载
 

温馨提示:由于个人手机设置不同,如果发现不能下载,请复制以下地址【http://www.mydoc123.com/d-690848.html】到电脑端继续下载(重复下载不扣费)。

已注册用户请登录:
账号:
密码:
验证码:   换一换
  忘记密码?
三方登录: 微信登录  

下载须知

1: 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。
2: 试题试卷类文档,如果标题没有明确说明有答案则都视为没有答案,请知晓。
3: 文件的所有权益归上传用户所有。
4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
5. 本站仅提供交流平台,并不能对任何下载内容负责。
6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

版权提示 | 免责声明

本文(DLA MIL-DTL-49285 30 A-2010 CABLE SPECIAL PURPOSE ELECTRICAL ONE INDIVIDUALLY SHIELDED PAIR OF 20 (7 X 28) AWG.pdf)为本站会员(lawfemale396)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

DLA MIL-DTL-49285 30 A-2010 CABLE SPECIAL PURPOSE ELECTRICAL ONE INDIVIDUALLY SHIELDED PAIR OF 20 (7 X 28) AWG.pdf

1、 MIL-DTL-49285/30A 1 March 2010SUPERSEDING MIL-C-49285/30 19 October 1989 DETAIL SPECIFICATION SHEET CABLE, SPECIAL PURPOSE, ELECTRICAL, ONE INDIVIDUALLY SHIELDED PAIR OF 20 (7 X 28) AWG This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirem

2、ents for acquiring the product described herein shall consist of this specification sheet and MIL-DTL-49285. Engineering information: See table I. Note: Not for aerospace use. TABLE I. Description, electrical. Electrical characteristics Requirements Nominal capacitance between conductors Nominal cap

3、acitance between the conductor and the shield with one conductor tied to the shield Continuous working voltage Shield dc resistance Conductor dc resistance 60 pF/ft (picofarads/foot) 100 pF/ft 300 V rms maximum between conductors 14.0 ohms/1,000 feet maximum 11.7 ohms/1,000 feet maximum AMSC N/A FSC

4、 6145 INCH-POUND Inactive for new design after 16 June 1997. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-49285/30A 2 TABLE II. Description, physical. Components Construction details Number of pairs Conductor type and wire size Conductor s

5、tranding Conductor insulation Conductor insulation thickness Drain wire type and size Drain wire stranding Jacket material Jacket color Jacket thickness Finished cable diameter Cable style (UL) Tensile strength (jacket) Elongation (jacket) Overall cabling lay lengths One individually shielded Strand

6、ed tinned copper 20 AWG 7 x 28 AWG Polyvinyl chloride 0.013 inch nominal thickness Stranded tinned copper 22 AWG 7 x 30 AWG Polyvinyl chloride Gray or beige 0.030 inch 0.208 inch maximum outside diameter 2464 2,000 pounds per square inch minimum 150 percent minimum 8.0 twists per foot 10 percent REQ

7、UIREMENTS: Design and construction: (see table II). Shield color code. The shield color shall be blue. Shield location and orientation. The polyester aluminum shield is to be located on the outer circumference on the conductor with the aluminum foil side outward. Insulation on the interior of the pa

8、ir is to be complete with no aluminum available for contact. Drain wire location. The drain wire is to be spirally located between the shield and jacket, and is to be in continuous contact with the aluminum surface of the foil shield throughout the cable. Cable temperature rating. The cable temperat

9、ure rating shall be -20C to +80C. Flammability. The cable shall pass UL 2556 flame test requirements. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-49285/30A 3 Shield integrity test.* Frequency Response * 100 kHz 113 db below reference 500

10、kHz 105 db below reference 1 MHz 99 db below reference 5 MHz 85 db below reference 10 MHz 78 db below reference 15 MHz 73 db below reference 20 MHz 70 db below reference 25 MHz 65 db below reference 30 MHz 61 db below reference * Any two readings may deviate to a value of 0.9 times the stated limits

11、. * All values are a minimum numerical value. Fixture resonance will occur between 40 and 70 MHz. At 100 MHz: At least 41 db below reference. Crosstalk test limits. Crosstalk testing is not required for this configuration. Durometer hardness. The cable jacket shall have a “Shore A” hardness of 82 5.

12、 Part or Identifying Number (PIN): The PIN shall be M49285/30. 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 no liability whatso

13、ever 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 MIL-DTL-49285, this d

14、ocument references the following: UL 2556. CONCLUDING MATERIAL Custodians: Preparing activity: Army CR DLA - CC Navy SH Air Force 85 DLA CC Review activities: Army MI (Project 6145-2009-026) Air Force - 71 DLA IS 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 the 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-,-,-

copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
备案/许可证编号:苏ICP备17064731号-1